Answer:
Step-by-step explanation:
3
Sheila is climbing on a ladder that is attached against the side of a jungle gym wall. She is 7 feet off the ground and is 3 feet from the base of the ladder, which is 18 feet from the wall. How high up the wall is the top of the ladder?
The top of the ladder is about 24.81 feet up the wall.
EquationsWe can use the Pythagorean theorem to solve the problem and assume the height up the wall that the top of the ladder reaches "x". Then, we have a right triangle with legs of 3 feet and x feet and a hypotenuse of 18 + 7 = 25 feet (the length of the ladder). So, we can write:
[tex]3^{2}[/tex] + [tex]x^{2}[/tex] = [tex]25^{2}[/tex]
9 + [tex]x^{2}[/tex] = 625
[tex]x^{2}[/tex] = 616
x = [tex]\sqrt{616}[/tex]
x ≈ 24.81 feet
What are the components of Pythagoras Theorem?According to Pythagoras's Theorem, the square of the length of a right-angled triangle's hypotenuse (the side that faces the right angle) is equal to the sum of the squares of the lengths of the other two sides (the adjacent and opposite sides) and this can be expressed mathematically as follows [tex]c^{2}[/tex]= [tex]a^{2}[/tex] + [tex]b^{2}[/tex] where c is the hypotenuse's length and a and b are the lengths of the other two sides.
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Name a radius
Name a chord
Name a tangent
Where is the point
of tangency?
B. C D
E
G
H
F
DH is radius.
EG is a chord
FI line is tangent to the circle
H is the point of tangency
Define the point of tangencyThe point of tangency is the point where a tangent line touches a curve or a circle at a single point, without intersecting it. At this point, the tangent line is perpendicular to the curve or circle at that specific point. The point of tangency is important in calculus and geometry, as it is used to calculate derivatives and solve problems related to circles, curves, and other geometrical figures.
In the given circle,
DH is radius.
(As it passes through center of circle and touches its circumference)
EG is a chord
(It divides the circle into two parts)
FI line is tangent to the circle
(It touches the line externally)
H is the point of tangency
(It is a point where the tangent of circle and circle meets)
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31. Given that f(x) = 55+x and g(x) = 5, it must be true
that (x) = ?
A. 11+
B. 11 + x
C. 11+5x
D. 55+
E. 55+5x
55 + 5x, because we substitute g(x) = 5 in f(x) and get the final function as f(g(x)) = 55 + 5x. option E
How determine if f(x) = 55+x and g(x) = 5 is trueWe are given two functions:
f(x) = 55 + x
g(x) = 5
We need to find the value of f(g(x)), which means we need to substitute g(x) in place of x in f(x).
f(g(x)) = f(5)
Therefore, we need to find f(5).
f(x) = 55 + x
f(5) = 55 + 5 = 60
So, the answer is E. 55 + 5x, because we substitute g(x) = 5 in f(x) and get the final function as f(g(x)) = 55 + 5x.
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Solve the inequality, if possible. 3(5w+4)<12w+15
A. W<1
B. W<3/2
C. W>15
D. Not possible
Answer:
[tex]3(5w + 4) < 12w + 15[/tex]
[tex]15w + 12 < 12w + 15[/tex]
[tex]3w < 3[/tex]
[tex]w < 1[/tex]
A is the correct answer.
Directions: Show all work. Round to the nearest tenth. 1. What is the volume of a cone with a diameter of 12 inches and a height of 16 inches?
Answer:
603.2 cubic inches
Step-by-step explanation:
First, we need to find the radius of the cone, which is half of the diameter:
radius = 12 inches / 2 = 6 inches
Next, we can use the formula to find the volume of a cone:
V = (1/3)πr^2h
where V is the volume, π is pi (approximately 3.14), r is the radius, and h is the height.
Substituting in the values we have:
V = (1/3)π(6 inches)^2(16 inches)
V = (1/3)π(36 square inches)(16 inches)
V = (1/3)π(576 cubic inches)
V = 192π cubic inches
Rounding to the nearest tenth, the volume of the cone is:
V ≈ 603.2 cubic inches
Hopes this helps
Smithson Mining operates a silver mine in Nevada. Acquisition, exploration, and development costs totaled $7.6 million. After the silver is extracted in approximately five years, Smithson is obligated to restore the land to its original condition, including constructing a wildlife preserve. The company’s controller has provided the following three cash flow possibilities for the restoration costs: (1) $700,000, 25% probability; (2) $750,000, 40% probability; and (3) $850,000, 35% probability. The company’s credit-adjusted, risk-free rate of interest is 8%.
What is the book value of the asset retirement liability at the end of one year?
Assuming that the actual restoration costs incurred after five years are $796,000, what amount of gain or loss will Smithson recognize on retirement of the liability?
Smithson will recognize the loss. So,the amount of loss will Smithson recognize on retirement of the liability is $309,248.85.
What is profit or loss?Profit or loss is the financial gain or loss resulting from the difference between revenue and expenses in a business or financial context.
Book value of ARL = Present value of estimated cash flows for ARL - Accumulated depreciation and amortization
PV = PMT x (1 - 1 / (1 + r)ⁿ) / r
The formula for weighted average is:
Weighted average = (Cash flow 1 x Probability 1) + (Cash flow 2 x Probability 2) + (Cash flow 3 x Probability 3)
PV = (700,000 x 0.25 x (1 - 1 / (1 + 0.08)⁵) / 0.08) + (750,000 x 0.4 x (1 - 1 / (1 + 0.08)⁵) / 0.08) + (850,000 x 0.35 x (1 - 1 / (1 + 0.08)⁵) / 0.08)
PV = $2,317,283.36
Since this is the end of the first year, the accumulated depreciation and amortization is simply the present value of the estimated cash flows for the first year:
Accumulated depreciation and amortization = (700,000 x 0.25 / (1 + 0.08)) + (750,000 x 0.4 / (1 + 0.08)) + (850,000 x 0.35 / (1 + 0.08))
Accumulated depreciation and amortization = $1,830,532.21
Finally, we can calculate the book value of the ARL at the end of one year:
Book value of ARL = Present value of estimated cash flows for ARL - Accumulated depreciation and amortization
Book value of ARL = $2,317,283.36 - $1,830,532.21
Book value of ARL = $486,751.15
Therefore, the book value of the asset retirement liability at the end of one year is $486,751.15.
Loss = Actual restoration costs - Book value of ARL
Loss = $796,000 - $486,751.15
Loss = $309,248.85
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please help me to get this right i really need help
Answer:
The top on the left.
Step-by-step explanation:
The function is a square root function. The negative is a reflection across the x axis. The 2 is a vertical stretch by 2. The subtraction of 1 from the x is a horizontal shift right 1 and the addition of 5 to the function is a vertical shift upwards 5. If you would like more detail let met know.
A specific bacteria is given a favorable growth medium, the bacteria has a growth rate of 30.5% every hour. In the beginning there are 100 bacteria, how many bacteria will there be in 36 hours? Round your answer to the nearest tenth.
a. 1550236.7 bacteria
b. 1452039.5 bacteria
c. 152.3 bacteria
d. 149.1 bacteria
Answer:
36hrs is 36/6.5=5.538 doubling periods. Initial population x0=100
Step-by-step explanation:
The rate of exponential growth of a bacterial culture is expressed as generation time, also the doubling time of the bacterial population. Generation time (G) is defined as the time (t) per generation (n = number of generations). Hence, G=t/n is the equation from which calculations of generation time (below) derive.
please answer the question and add the label in your answer please I'm putting 30 points please
For the first graph the two lines are parallel, that is they do not intersect. Thus, the system has no solution. For the second graph the y-intercept is 3 units.
What is solution of system of equation?The points where the lines representing the intersection of two linear equations intersect are referred to as the solution of a linear equation. In other words, the set of all feasible values for the variables that satisfy the specified linear equation constitutes the solution set of the system of linear equations. There is only ever one solution to a linear equation with one variable. The one and only position at which LHS and RHS are equivalent upon substitution is the unique solution of a linear equation. When there are two simultaneous linear equations, the answer must be an ordered pair (x, y). The ordered pair will in this instance satisfy the set of equations.
For the first graph the two lines are parallel, that is they do not intersect. Thus, the system has no solution.
For the second graph the y-intercept is 3 units.
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The average 5-year-old child has a mass of 20 kg. Write this mass in
scientific notation. Approximately how many times larger is the elephant
than the child? Approximately how many water drops equal the mass of the
child? Explain your thinking.
Answer:
The mass of a 5-year-old child is 20 kg. We can express this mass in scientific notation as:
2 x 10^1 kg
To find approximately how many times larger an elephant is than a 5-year-old child, we need to know the mass of an elephant. According to National Geographic, an average elephant can weigh between 2,700 and 6,000 kg. Assuming an average weight of 4,350 kg for an elephant, we can calculate the ratio of elephant mass to child mass as follows:
4,350 kg / 20 kg ≈ 218
Therefore, an elephant is approximately 218 times larger than a 5-year-old child in terms of mass.
To determine approximately how many water drops equal the mass of a child, we need to know the mass of a single water drop. This can vary depending on the size of the drop and the substance it is made of. However, for the purposes of estimation, we can assume that the mass of a water drop is approximately 0.05 grams.
PLEASE HELPPPPPP LOOK BELOW
These are just a few examples of real life situations where you might need to find the volume or surface area of a shape. There are many other situations where this knowledge is useful, including in scientific research, medical imaging, and many other fields.
What is volume?In mathematics, volume is the amount of space occupied by an object or a shape. It is a measure of how much three-dimensional space an object or a shape takes up. Volume is typically measured in cubic units such as cubic meters (m³), cubic centimeters (cm³), cubic feet (ft³), or cubic inches (in³).
Here,
There are many real life situations where you might need to find the volume or surface area of a shape. Here are some examples:
Packaging and Shipping: In order to package and ship products, companies need to know the volume and surface area of the products and their packaging. For example, a shipping company needs to know the volume and surface area of a package in order to determine how much space it will take up in a truck or airplane, and how much packaging material will be required.
Construction: Architects, engineers and builders need to know the volume and surface area of building materials such as concrete, steel, bricks, and insulation in order to estimate the amount of materials required for a project. They also need to know the volume of a space to determine the amount of materials required to fill it, such as the amount of concrete required to fill a foundation or the amount of insulation needed to insulate a room.
Cooking and Baking: When cooking or baking, you may need to measure the volume or surface area of a container or cooking vessel to ensure that the recipe will fit and cook or bake properly. For example, you might need to measure the volume of a baking dish to know how much batter to use, or measure the surface area of a frying pan to know how much oil is needed.
Gardening and Landscaping: In gardening and landscaping, you may need to know the volume of soil required to fill a raised bed or the surface area of a lawn in order to determine the amount of fertilizer or weed killer required.
Industrial Design: In industrial design, designers need to know the volume and surface area of products in order to determine the materials required for production and to ensure that the product will fit in its intended location. For example, a designer may need to know the volume and surface area of a water tank to determine its capacity and the amount of materials required to build it.
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2. If Jon took a test and made the following scores: 72, 84, 92, 80, 96, 88, 45, 70, 79, 92, 87, and 103.
a. Box and Whisker plot:
b. What is the range:
IQR:
c. Are there any outliers?
3. If the mean is 77 and the standard deviation is 11 please find:
a.
A value 3 standard deviations above the mean
b.
A value 2.5 standard deviation below the mean
c. A value 2 standard deviations below the mean
d. A value 1 standard deviation above the mean
4. If 99.7 percent of the data is between 30 and 90, then please find the mean and the standard of deviation.
b. o:
a. u
5. If 68 percent of the data is between 42 and 58, then please find the mean and the standard of deviation.
b. a:
a. p
6. If 95 percent of the data is between 34 and 64, then please find the mean and the standard of deviation.
b. a:
a. µ
Someone please help with this page
Answer:
a)
103
|
96 +
|
92 | *
| * *
88 +--*
| *
84 |
|*
80 +
|
79 |
|
72 +
|
70 |
|
b)b. The range is the difference between the highest and lowest scores: 103 - 45 = 58.
The IQR is the interquartile range, which is the range of the middle 50% of the scores. To find it, we first need to find the first and third quartiles:
The first quartile (Q1) is the median of the lower half of the scores, which are 45, 70, 72, 79, and 80. The median of this set is (72+79)/2 = 75.5.
The third quartile (Q3) is the median of the upper half of the scores, which are 84, 87, 88, 92, and 96. The median of this set is (88+92)/2 = 90.
Therefore, the IQR is 90 - 75.5 = 14.5.
c)c. To find any outliers, we need to first define the "fences" of the box and whisker plot. The lower fence is Q1 - 1.5IQR = 75.5 - 1.514.5 = 53.25. The upper fence is Q3 + 1.5IQR = 90 + 1.514.5 = 112.75.
There is one score that is outside the fences: 103. Therefore, 103 is an outlier.
Step-by-step explanation:
A 14- ladder is leaning against a building. If the bottom of the ladder is sliding along the pavement directly away from the building at 3feet/second, how fast is the top of the ladder moving down when the foot of the ladder is 5 feet from the wall?
The company will start to turn a profit when x is greater than -22. In other words, the company will start to turn a profit when they sell more than 22 units of their product.
What is inequalities
In mathematics, an inequality is a mathematical statement that indicates that two expressions are not equal. It is a statement that compares two values, usually using one of the following symbols: "<" (less than), ">" (greater than), "≤" (less than or equal to), or "≥" (greater than or equal to).
To find the point at which the company starts to turn a profit, we need to find the value of x for which the revenue is greater than the cost of production.
The revenue function is R(x) = 7x, and the cost of production is C(x) = 13x + 132.
So, we need to solve the inequality:
R(x) > C(x)
7x > 13x + 132
Subtracting 13x from both sides, we get:
-6x > 132
Dividing both sides by -6 (and flipping the inequality because we're dividing by a negative number), we get:
x < -22
Therefore, the company will start to turn a profit when x is greater than -22. In other words, the company will start to turn a profit when they sell more than 22 units of their product.
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A painter uses 12 quarts of paint to paint a room and 6 gallons of paint to paint a fence. How many total gallons of paint does the painter use?
Responses
Answer:
9 gallons
Step-by-step explanation:
4 quarts = 1 gallon
12/4=3
3 + 6= 9
9 gallons
A box is to be constructed with a rectangular base and a height of 5 cm. If the rectangular base must have a perimeter of 28 cm, which quadratic equation best models the volume of the box?
V = lwh
P = 2(l + w)
Answer: V(x) = -5x^2 + 70x
Step-by-step explanation:
Let the length and width of the rectangular base be represented by x and y, respectively.
Since the perimeter of the rectangular base is 28 cm, we have:
2x + 2y = 28
x + y = 14
The height of the box is given as 5 cm.
The volume of the box is given by:
V = lwh = xy(5)
V = 5xy
We can solve for y in terms of x from the equation x + y = 14:
y = 14 - x
Substituting this into the equation for the volume, we get:
V = 5x(14 - x)
Simplifying:
V = 70x - 5x^2
Chuck's Chops, an up-scale steak house, received an invoice for 800 pounds of baking potatoes with a cost of $.85 per pound. The terms were, n/30. Chuck was unable to pay the bill in full within the discount period but was able to remit a partial payment of $425.00 within the discount period. How much credit did Chuck receive for his payment?
Chuck received a credit of $369.15 for his partial payment.
What is simple interest?
The interest on a loan or principal sum can be easily calculated using simple interest. Simple interest is a notion that is employed across a wide range of industries, including banking, finance, automobiles, and more.
The total cost of the baking potatoes is calculated by multiplying the weight of potatoes by the cost per pound:
800 pounds x $0.85/pound = $680
Since the terms are n/30, Chuck has 30 days to pay the invoice in full to receive the discount. He made a partial payment of $425 within the discount period, which means he has a remaining balance of:
$680 - $425 = $255
To determine how much credit Chuck received for his partial payment, we need to calculate the discount he would have received if he had paid the full amount within the discount period. The discount is calculated by multiplying the total cost by the discount rate, which is calculated by dividing the discount period by the number of days in the year:
Discount rate = discount period / number of days in the year
Discount rate = 30 / 365
Discount rate = 0.0822
Discount = total cost x discount rate
Discount = $680 x 0.0822
Discount = $55.85
Since Chuck only paid $425 within the discount period, he is entitled to a credit for the remaining discount amount:
Credit = Discount - Partial payment
Credit = $55.85 - $425
Credit = -$369.15
Therefore, Chuck received a credit of $369.15 for his partial payment.
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PLEASE HELP ME.
(In picture)
Answer:
2nd option
Step-by-step explanation:
12. Pure fruit concentrate must be diluted with water in the ratio 1:7.
How many millilitre of concentrate are needed to make 5litres cool drink?
After answering the presented question, we can conclude that As a equation result, 625 millilitres of pure fruit concentrate are required to generate 5 litres of cold drink.
What is equation?An equation in mathematics is a statement that states the equality of two expressions. An equation is made up of two sides that are separated by an algebraic equation (=). For example, the argument "2x + 3 = 9" asserts that the phrase "2x Plus 3" equals the value "9." The purpose of equation solving is to determine the value or values of the variable(s) that will allow the equation to be true. Equations can be simple or complicated, regular or nonlinear, and include one or more elements. The variable x is raised to the second power in the equation "x2 + 2x - 3 = 0." Lines are utilised in many different areas of mathematics, such as algebra, calculus, and geometry.
If we need to dilute the pure fruit concentrate with water in a 1:7 ratio, this means that we need 7 parts water for every 1 part concentrate.
As a result, in order to prepare 5 litres of cool drink, we will need:
0.625 litres of pure concentration = 1/8 x 5 litres
We multiply litres by 1000 to get millilitres:
625 millilitres of pure concentrate (0.625 x 1000).
As a result, 625 millilitres of pure fruit concentrate are required to generate 5 litres of cold drink.
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Find the y-intercept for the equation:
y=2x+6
Y=2x+6
x=2y+6
2y=6-x/÷2
y=[tex]\frac{6-x}{2}[/tex]
9x9x9x9 using an exponet
Answer:
9⁴
Step-by-step explanation:
If I'm understanding what you're asking correctly, it would just be the answer above, which evaluates to 6561.
If the variance of the data values in a population is 441, what is the standard deviation of the data values?
O A. 17
• B. 21
O C. 23
O D. 19
In the given situation if the variance of the data values in a population is 441, the standard deviation of the data values is (B) 21.
What is the standard deviation?The term "standard deviation" (or "σ") refers to a measurement of the data's dispersion from the mean.
A low standard deviation implies that the data are grouped around the mean, whereas a large standard deviation shows that the data are more dispersed.
While a high standard deviation suggests that the values are dispersed throughout a wider range, a low standard deviation suggests that the values tend to be close to the established mean.
The variance's square root is the standard deviation of the data values:
S = √V = √441 = 21
Therefore, in the given situation if the variance of the data values in a population is 441, the standard deviation of the data values is (B) 21.
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HELP ASAP 20 POINTS
Answer: $ 16,740
Here's a trick:
Mark down, you subtract
Mark up, you add
**Please mark brainliest**Step-by-step explanation:
Hi, so I see you've been asking for help on these questions.
The concept is quite simple so I am going to walk you through it.
First, your going to multiply 55,800 x .7
Once you've done that you will receive 39,060 you will then subtract 39,060 from 55,800
55,800
-
39,060
= 16,740 is your answer
type the correct answer in the box. use numerals instead of words. use / for the fraction bar. there are 57 houses on julian's street. of those houses, 12 have a skylight, 28 have a fireplace, and 5 have both a skylight and a fireplace. the probability, expressed as a fraction in the lowest terms, that julian lives in a house with a skylight or a fireplace is (what fraction in the lowest terms).
The probability that Julian lives in a house with a skylight or a fireplace is 35/57, which can be simplified to 5/8 in the lowest terms. So the answer is: 5/8.
What is probability?
Probability is a measure of the likelihood of an event occurring. It is a number between 0 and 1, where 0 means the event is impossible and 1 means the event is certain to happen.
To calculate the probability that Julian lives in a house with a skylight or a fireplace, we need to add the number of houses that have a skylight and the number of houses that have a fireplace, and then subtract the number of houses that have both a skylight and a fireplace, because we don't want to count those houses twice:
Number of houses with a skylight = 12
Number of houses with a fireplace = 28
Number of houses with both a skylight and a fireplace = 5
Number of houses with a skylight or a fireplace = (12 + 28) - 5 = 35
Therefore, the probability that Julian lives in a house with a skylight or a fireplace is 35/57, which can be simplified to 5/8 in the lowest terms.
So the answer is: 5/8.
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PLEASE HELP ASAP!!!!
The distance between two cities on a map is 25 inches. The actual distance between the two cities is 500 miles. How many miles would 35 inches be on the map?
1.75 miles
20 miles
510 miles
700 miles
Question 2(Multiple Choice Worth 2 points)
(Circumference LC)
What is the circumference of a circle with a diameter of 21 cm? Approximate using pi equals 22 over 7.
7 cm
33 cm
66 cm
132 cm
Question 3(Multiple Choice Worth 2 points)
(Area of Polygons and Composite Figures LC)
An image of a rhombus is shown.
A rhombus with a base of 17 inches and a height of 14 inches.
What is the area of the rhombus?
62 in2
119 in2
124 in2
238 in2
Question 4(Multiple Choice Worth 2 points)
(Surface Area of Cylinders LC)
Which equation would calculate the amount of wrapping paper, in square centimeters, needed to completely cover the cylinder shown?
a cylinder with the diameter labeled 2.8 centimeters and the height labeled 3.7 centimeters
SA = 2π(1.4)2 + 2.8π(3.7)
SA = 2π(1.4)2 + 1.4π(3.7)
SA = 2π(2.8)2 + 2.8π(3.7)
SA = 2π(2.8)2 + 1.4π(3.7)
Question 5(Multiple Choice Worth 2 points)
(Volume of Cylinders MC)
A family is filling up a circular pool. The pool has a depth of 6 feet and a diameter of 10 feet. If there are approximately 7.48 gallons of water in a cubic foot, how many gallons of water will it take to fill up the pool completely? Use π = 3.14 and round to the nearest gallon.
63 gallons
471 gallons
1,409 gallons
3,523 gallons
Question 6(Multiple Choice Worth 2 points)
(Surface Area of Cylinders MC)
A bakery makes cylindrical mini muffins that measure 2 inches in diameter and one and one fourth inches in height. If each mini muffin is completely wrapped in paper, then at least how much paper is needed to wrap 6 mini muffins? Approximate using pi equals 22 over 7.
14 and 1 over 7 in2
23 and 4 over 7 in2
47 and 1 over 7 in2
84 and 6 over 7 in2
Question 7(Multiple Choice Worth 2 points)
(Area of Circles LC)
A circle with a diameter of 34 inches is shown.
circle with diameter of 34 inches
What is the area of the circle using π = 3.14?
53.38 in2
106.76 in2
907.46 in2
3,629.84 in2
Question 8(Multiple Choice Worth 2 points)
(Volume of Cylinders MC)
A cylinder with a diameter of 8 yards has a volume of 452.16 yd3. What is the height of the cylinder? Use 3.14 for π.
2 yards
8 yards
9 yards
18 yards
Question 9(Multiple Choice Worth 2 points)
(Volume of Cylinders MC)
Ramon is filling cups with juice. Each cup is shaped like a cylinder and has a diameter of 4.2 inches and a height of 7 inches. How much juice can Ramon pour into 6 cups? Round to the nearest hundredth and approximate using π = 3.14.
96.93 cubic inches
553.90 cubic inches
581.59 cubic inches
2,326.36 cubic inches
Question 10(Multiple Choice Worth 2 points)
(Surface Area of Cylinders MC)
A cylindrical can of vegetables has a label wrapped around the outside, touching end to end. The only parts of the can not covered by the label are the circular top and bottom of the can. If the area of the label is 100π square inches and the radius of the can is 5 inches, what is the height of the can?
25 inches
20 inches
10 inches
5 inches
Question 11(Multiple Choice Worth 2 points)
(Area of Polygons and Composite Figures MC)
A family has a unique pattern in their tile flooring on the patio. An image of one of the tiles is shown.
A quadrilateral with a line segment drawn from the bottom vertex and perpendicular to the top that is 6 centimeters. The right vertical side is labeled 3 centimeters. The portion of the top from the left vertex to the perpendicular segment is 4 centimeters. There is a horizontal segment from the left side that intersects the perpendicular vertical line segment and is labeled 5 centimeters.
What is the area of the tile shown?
34.5 cm2
45 cm2
54 cm2
57.5 cm2
Question 12(Multiple Choice Worth 2 points)
(Area of Circles MC)
A circular cookie cake costs $12.56. If the diameter of the cookie cake is 8 inches, what is the approximate cost per square inch of the cookie cake? Use π = 3.14.
$0.04
$0.06
$0.16
$0.25
Question 13(Multiple Choice Worth 2 points)
(Surface Area of Cylinders MC)
The net of a right circular cylinder is shown.
net of a cylinder where the radius of each circle is labeled 4 meters and the height of the rectangle is labeled 8 meters
What is the surface area of the cylinder? Use π = 3.14 and round to the nearest whole number.
251 m2
301 m2
502 m2
804 m2
Question 14(Multiple Choice Worth 2 points)
(Scale Factor MC)
The state of Colorado is 4 centimeters long and 2 centimeters wide on a map. A cartographer wants to use a scale factor of 3.5 to enlarge the map. What is the area of the enlarged map?
98 cm2
42 cm2
28 cm2
8 cm2
Question 15(Multiple Choice Worth 2 points)
(Circumference MC)
A race car drove around a circular track that was 0.5 mile. If 1 mile = 5,280 feet, what is the radius of the track, in feet? Use π = 3.14 and round to the nearest hundredth.
124.20 feet
248.41 feet
420.38 feet
840.76 feet
Answer: first one is 700
Step-by-step explanation:
help asap will give brainliest hurry
Based on the given information, the value of y is 5.
What is a cyclic polygon?
A cyclic polygon is a polygon that can be inscribed inside a circle in such a way that all of its vertices lie on the circumference of the circle. In other words, a cyclic polygon is a polygon that can be circumscribed by a circle.
In a polygon with n sides, the sum of its interior angles is given by the formula: (n - 2) * 180 degrees. Since this polygon is inside a circle, it must be a cyclic polygon, which means that its opposite angles add up to 180 degrees.
We are given that the opposite angles are 23y and 13y, so we can write:
23y + 13y = 180
36y = 180
y = 5
Therefore, the value of y is 5.
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Replace ∗ with a monomial so that the trinomial may be represented by a square of a binomial:
0.01b^2+ ∗ +100c^2
The square of the binomial that represents the trinomial is [tex](0.1b+10c)^{2}[/tex], and the missing monomial is 10bc.
What is Trinomial ?
A trinomial is a polynomial that consists of three terms. In algebra, a term is a combination of a constant and one or more variables, multiplied together. A trinomial, therefore, is a polynomial that has three such terms.
To represent the trinomial 0.01[tex]b^{2}[/tex]+ ∗ +100[tex]c^{2}[/tex] as a square of a binomial, we need to find a monomial that can be added to it to form a perfect square trinomial.
To do this, we can take the square root of the first and last terms of the trinomial and multiply them together:
√(0.011[tex]b^{2}[/tex]) = 0.1b
√(100[tex]c^{2}[/tex]) = 10c
Multiplying these square roots together, we get:
0.1b * 10c = b * 1c * 10 = 10bc
So, the missing monomial is 10bc. Adding this monomial to the original trinomial gives us:
0.011[tex]b^{2}[/tex] + 10bc + 100[tex]c^{2}[/tex] = [tex](0.1b+10c)^{2}[/tex],
Therefore, the square of the binomial that represents the trinomial is [tex](0.1b+10c)^{2}[/tex], and the missing monomial is 10bc.
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24 = 3(y + 6) someone can help me please?
An equation is a mathematical statement that shows that two expressions are equal. It typically includes variables, constants, and mathematical operators such as addition, subtraction, multiplication, and division. Equations can be used to model a wide range of real-world situations, and they are an essential tool in many fields of study, including physics, engineering, and economics.
How to solve the given equation?To solve for y, we need to isolate y on one side of the equation. We can do this by first distributing the 3 on the right-hand side:
24 = 3y + 18
Next, we can isolate 3y by subtracting 18 from both sides:
24 - 18 = 3y
6 = 3y
Finally, we can solve for y by dividing both sides by 3:
y = 2
Therefore, the solution to the equation 24 = 3(y + 6) is y = 2.
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Look at ZVSW and ZTSW in the image below.
W
Which of the following is the best description for this pair of angles?
O acute
O complementary
Osupplementary
O straight
VSW and TSW are supplementary angles.
What is supplementary angle?
Supplementary angles are a pair of angles that add up to 180 degrees. In other words, if you have two angles that are supplementary, and you add them together, the result will be a straight line.
What is complementary angle?
Complementary angles are two angles whose sum is equal to 90 degrees (a right angle). In other words, when two angles are complementary, they "complete" a right angle when added together.
According to given information:In geometry, an angle is formed when two lines or rays intersect. Angles are measured in degrees and are classified based on their measures.
The pair of angles VSW and TSW in the image can be classified as supplementary angles.
Two angles are supplementary if their measures add up to 180 degrees.
In this case, angle VSW and angle TSW are adjacent angles that together form a straight angle, which measures 180 degrees. Therefore, VSW and TSW are supplementary angles.
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A survey of 240 families showed that
91 had a dog;
70 had a cat;
31 had a dog and a cat;
91 had neither a cat nor a dog, and in addition did not have a parakeet;
7 had a cat, a dog, and a parakeet.
How many had a parakeet only?
Ok
so the math that we need to do for this problem will be:
Total number of families = 240
minus the ones that don't have any pets = 91
minus the families that do have dogs = 91
minus the families that do have cats = 70
add back the overlap of dogs and cats = 31
add back the overlap of dogs cats parakeets = 7
240 - 91 - 91 - 70 + 31 + 7
^ this math will give us the families that ONLY have parakeets
so I stand by what I said before that this is the math you would to do get the answer to your problem
therefore its 26 buddy
Step-by-step explanation:
[tex]n(p) only= \: n(p) - n(c n d np) \\ = 91 - 7 \\ = 84[/tex]
Two students, Sean and Felisha, are doing a science project to create protective barrier for an egg. At the conclusion of the project they must drop an egg from a window that is off the ground and NOT break the egg. The trick is to create a barrier that can also slow down the velocity of the falling egg. The equation describes the drop that Sean's egg took The equation describes the drop that Felisha's egg took By how many did Felisha's egg land first? (round answer to decimal places)
The equations for Sean's and Felisha's eggs when dropped from a height of 120 feet are given. By solving for t in each equation, it is found that Felisha's egg landed first by approximately 0.53 seconds.
To find the time it takes for each egg to hit the ground, we need to solve for t in each equation:
For Sean's egg:
f(t) = -16t² + 75t + 120
We want to find t when f(t) = 0 (i.e., when the egg hits the ground)
-16t² + 75t + 120 = 0
Divide both sides by -1 to simplify the equation:
16t² - 75t - 120 = 0
Using the quadratic formula:
t = (-b ± √(b² - 4ac)) / 2a
where a = 16, b = -75, and c = -120.
t = (-(-75) ± √((-75)² - 4(16)(-120))) / 2(16)
t = (75 ± √(75² + 4(16)(120))) / 32
t = (75 ± √(7955)) / 32
We know that the egg cannot hit the ground in negative time, so we can discard the negative solution:
t = (75 + √(7955)) / 32
t ≈ 3.742 seconds
For Felisha's egg:
f(t) = -16t² + 55t + 120
We want to find t when f(t) = 0 (i.e., when the egg hits the ground)
-16t² + 55t + 120 = 0
Divide both sides by -1 to simplify the equation:
16t² - 55t - 120 = 0
Using the quadratic formula:
t = (-b ± √(b² - 4ac)) / 2a
where a = 16, b = -55, and c = -120.
t = (-(-55) ± √((-55)² - 4(16)(-120))) / 2(16)
t = (55 ± √(55² + 4(16)(120))) / 32
t = (55 ± √(7649)) / 32
We know that the egg cannot hit the ground in negative time, so we can discard the negative solution:
t = (55 + √(7649)) / 32
t ≈ 3.212 seconds
Therefore, Felisha's egg landed first by:
3.742 - 3.212 ≈ 0.53 seconds (rounded to 3 decimal places).
Answer: Felisha's egg landed first by approximately 0.53 seconds.
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