The differentiation of the trigonometric function gives:
dy/dx = sin(x) - cos(x)
How to differentiate the function?Here we want to find dy/dx for:
y = sec⁻¹(x) + csc⁻¹(x)
Remember that these two are the inverses of the sine and cosine function, then we can write that just as:
y = cos(x) + sin(x)
Now the differentiation is part by part, we know that:
d(cos(x))/dx = -sin(x)
d(sin(x))/dx = cos(x)
Then:
dy/dx = sin(x) - cos(x)
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Margot gave 12% of x number of dollars that she earned over the summer to an animal rescue shelter.
12% of x is about $60.00. Select all the statements that are true.
Thus, the total earning of Margot during summer is found to be $500.
Explain about the percentage of number:Although the usage of percent and percentage differs slightly, they both signify the same thing. It is customary to use percent or the symbol (%) along with a numerical value.
Although the percentage word was not very ancient, the technique was often used. The Ancient Romans used to calculate fractions as multiples of 1/100 in the absence of the decimal system.
Given :
Let the total earning of Margot be 'x'.Donated amount to animal rescue shelter. = $60Percentage - 12%So,
12% of x = 60.00
x = 60.0 * 100 / 12
x = $500
Total earning amount = $500
Thus, the total earning of Margot during summer is found to be $500.
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Correct question:
Margot gave 12% of x number of dollars that she earned over the summer to an animal rescue shelter.
12% of x is about $60.00. Find the total earning of Margot during summer.
Use the triangular prisons below to answer questions 6-9. Be sure to show all steps and work.
The prism A have lateral surface area = 685 and total surface area = 1021, while the prism B have lateral surface area = 328 and total surface area = 448.
How to calculate for the lateral and total surface area of the triangular prismsThe triangular prisms A and B have two same size triangle faces and two different size rectangle face with a rectangle bottom face.
For 6 and 7;
area of one triangle face = 1/2 × 21 × 9
area of one triangle face = 94.5
area of the two triangle faces = 2(94.5) = 189
area of one smaller rectangle face = 16 × 14 = 224
area of one bigger rectangle face = 17 × 16 = 272
Area of lateral surface area = 188 + 224 + 272 = 685
Area of bottom rectangle face = 21 × 16 = 336
Total surface area of prism A = 685 + 336 = 1021
For 8 and 9;
area of one triangle face = 1/2 × 24 ×
area of one triangle face = 84
area of the two triangle faces = 2(84) = 168
area of one smaller rectangle face = 7 × 5 = 35
area of one bigger rectangle face = 25 × 5 = 125
Area of lateral surface area = 168 + 35 + 125 = 328
Area of bottom rectangle face = 24 × 5 = 120
Total surface area of prism A = 328 + 120 = 448
Therefore, the prism A have lateral surface area = 685 and total surface area = 1021, while the prism B have lateral surface area = 328 and total surface area = 448.
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Find the perimeter of the following polygon. Be sure to include the correct unit in your answer.
17 ft
18 ft
15 ft
9 ft
Answer:
The perimeter of the polygon is 59ft.
Step-by-step explanation:
PERIMETER = Sum of all sides of any polygon.
Let p = Perimeter
p = 18 + 17 + 15 + 9
p = 59ft.
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Evaluate the function using the Maclaurin series
we use the first four terms, we get: equation.
[tex]f(x) =x^2 + x^3 + x^4/2! + x^5/3![/tex]
And so on.
What is Maclaurin series?A Maclaurin series, named after the Scottish mathematician Colin Maclaurin, is a special type of power series expansion of a function that is centered at zero. In other words, it is a way to represent a function as an infinite sum of terms that involve the function's derivatives evaluated at zero.
The general form of a Maclaurin series for a function f(x) is given by:
[tex]f(x) = f(0) + f'(0)x + (f''(0)/2!)x^2 + (f'''(0)/3!)x^3 + ...[/tex]
To evaluate the function f(x) = x^2 * [tex]e^x[/tex] using Maclaurin series, we can first find the Maclaurin series for [tex]e^x[/tex] and then multiply it with x^2 to obtain the Maclaurin series for f(x).
The Maclaurin series for [tex]e^x[/tex]is given by:
[tex]e^x = 1 + x + x^2/2! + x^3/3! + x^4/4! + ...[/tex]
Multiplying both sides by x^2, we get:
[tex]x^2 * e^x = x^2 + x^3 + x^4/2! + x^5/3! + x^6/4! + ...[/tex]
Therefore, the Maclaurin series for f(x) is:
[tex]f(x) = x^2 * e^x = x^2 + x^3 + x^4/2! + x^5/3! + x^6/4! + ...[/tex]
To approximate the value of f(x) using the Maclaurin series, we can truncate the series after a certain number of terms. The more terms we include, the more accurate the approximation will be. For example, if we use the first three terms of the series, we get:
[tex]f(x) = x^2 + x^3 + x^4/2![/tex]
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Two friends, Pedro and Oliver, took summer jobs. Pedro earned $521.40 in 22 hours. The graph below represents Oliver's earnings in dollars and cents,
�
y, for working
�
x hours.
0
Hours Worked
Earnings (Dollars)
x
y
0
Hours Worked
Earnings (Dollars)
(10,$186)
(20,$372)
Oliver's Earnings
How much more does Pedro earn per hour than Oliver?
Pedro earns $5.1 per hour than Oliver according to the given graph.
What are equations?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side. It demonstrates the equality of the relationship between the expressions printed on the left and right sides. We have LHS = RHS (left hand side = right hand side) in every mathematical equation. To determine the value of an unknown variable that represents an unknown quantity, equations can be solved. A statement is not an equation if it has no "equal to" sign. That will be regarded as a phrase.
Given that, Pedro earned $521.40 in 22 hours.
The per hour rate is thus,
521.40 / 22 = 23.7 per hour.
For Olive we have:
372 - 186 / 20- 10 = 186 / 10 = 18.6
The difference between their earnings is:
23.7 - 18.6 = 5.1
Hence, Pedro earns $5.1 per hour than Oliver.
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The complete question is:
is my answer correct?
yes. use u substitution to get the answer
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8
Which equation could be used to solve for mº?
49⁰
32°
A 49° +32° + m² = 180°
B 49° +32° + m² = 90°
c) 49° +32° = mᵒ
(D) 49 = 32° +m
mº
In the given equation the value of mº is 17°. Answer: (D) 49 = 32° + mº.
What do you mean by the term Triangle and kinds of triangle ?A triangle is a geometrical figure with three straight sides and three angles. It is the simplest polygon and the building block for more complex shapes.
There are several kinds of triangles:
Equilateral triangle: This is a triangle with three equal sides and three equal angles of 60 degrees each.
Isosceles triangle: This is a triangle with two equal sides and two equal angles.
Scalene triangle: This is a triangle with no equal sides or angles.
Right-angled triangle: This is a triangle with one angle of 90 degrees, which is also known as the right angle. The side opposite to the right angle is the longest side, called the hypotenuse, while the other two sides are called legs.
Acute triangle: This is a triangle in which all three angles are acute angles, meaning they are less than 90 degrees.
Obtuse triangle: This is a triangle in which one angle is an obtuse angle, meaning it is greater than 90 degrees. The other two angles are acute angles.
The equation that can be used to solve for mº depends on the given information or conditions. If the problem provides the measures of two angles and their sum, then we can use the equation:
A + B + m = 180°
where A and B are the measures of the given angles, and m is the measure of the unknown angle in degrees.
However, if the problem only gives the measures of two angles and their sum is not required, we can use the equation:
A + B = m
where A and B are the measures of the given angles, and m is the measure of the unknown angle in degrees.
Based on the given information in the question, we are only provided with the measures of two angles, 49° and 32°, and there is no indication that their sum is required. Therefore, the correct equation to solve for mº is:
49° = 32° + mº
We can simplify this equation to solve for mº:
49° - 32° = mº
mº = 17°
Therefore, the value of mº is 17°. Answer: (D) 49 = 32° + mº.
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(b) The box was made from wood.
Which measure helped the carpenter know how much wood to buy?
Surface area O Volume
(c) The box is to be filled with sand.
Which measure would be used to find the amount of sand the box will
hold?
O Surface area ● Volume
A) The Volume of wooden box is 72 ft³ while the surface area is 124 ft²
B) The measure of Surface area helped the carpenter know how much wood to buy.
C) The measure of Volume will be used to find the amount of sand the box will hold.
What is volume?Vοlume is a measure οf the amοunt οf space οccupied by an οbject οr substance. In mathematics, the vοlume οf a three-dimensiοnal οbject οr space is calculated by measuring the amοunt οf cubic units that the οbject οr space can hοld.
Fοr example, the vοlume οf a cube is calculated by multiplying the length, width, and height οf the cube. The units used tο measure vοlume depend οn the type οf οbject οr substance being measured, but cοmmοnly used units include cubic meters (m), cubic centimeters (cm), and liters (L).
A) Given dimensions: L = 9 ft, B = 4 ft and H = 2 ft
Volume = L × B × H
Volume = 9 × 4 × 2
Volume = 72 ft³
Surface area = 2LB + 2LH + 2HB
Surface area = 2(9 × 4) + 2(9 × 2 ) + 2(4 × 2)
Surface area = 2(9 × 4) + 2(9 × 2 ) + 2(4 × 2)
Surface area = 72 + 36 + 16
Surface area = 124 ft²
B) The measure of Surface area helped the carpenter know how much wood to buy.
C) The measure of Volume will be used to find the amount of sand the box will hold.
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Complete question:
Tom and John are engaged in buying and selling certain products A and B. Tom BUYS 5 of product A but
SELLS twice as much of product B. John on the other hand SELLS three times what Tom BOUGHT of
product A and BUYS 13 of product B. At the end of the business day, John banks Ksh 110,000/- while
Tom banks Ksh 230,000.
Under the assumption that the sale prices for product A and B are the same for the two men, and the
costs prices for the products A and B are also the same for the two men, obtain the following:
a) The price for product A and the price for product B (5 marks)
b) If there was a mark up of 25% on the cost price and a discount of 15% on the sale price, how
much would each of the partners have banked at the end of the business day? (10 marks)
Answer:Let's assume that the cost price for both products A and B is "C", and the selling price for both products A and B is "S". We can use this information to set up two equations, one for Tom and one for John, that relate the costs and profits for the two products:
Tom: 5C - 2(5S) = P1
John: 3(5C) - 13C = P2
where P1 and P2 are the profits made by Tom and John, respectively.
We know that at the end of the business day, John banks Ksh 110,000/- while Tom banks Ksh
230,000. So we can write:
P1 = 230,000 - 5C
P2 = 110,000 - 18C
Substituting these values into the equations for Tom and John, we get:
5C - 2(5S) = 230.000 - 5C
Simplifying these equations, we get:
10C - 10S = 230,000
2C = 110,000
Solving for C, we get:
C = 55,000
Substituting this value back into the first equation, we can solve for S:
10(55,000) - 10S = 230,000
Simplifying this equation, we get:
S = 32,000
Therefore, the price for product A is Ksh 55,000 and the price for product B is Ksh 32,000.
Step-by-step explanation:
What is the value of -1/6+2/3(9-3/4)-1/2
A. 62/12
B. 58/12
C. 55/12
D. 3/12
Answer:
The given expression is,
-1/6+2/3(9-3/4)-1/2
According to BODMAS rule, we first do the operation of bracket ( as B comes first in the BODMAS).
∴ 9-3/4= (36-3)/4=33/4
Putting 33/4 in place of (9-3/4), the expression becomes
-1/6+2/3×33/4-1/2
Now, the priority of M in BODMAS is more than A and S, so we do the operation of multiplication.
∴2/3×33/4=11/2 ( as 33÷3=11 and 4÷2=2)
Replacing 2/3×33/4 by 11/2, the expression becomes,
-1/6+11/2-1/2
= -1/6+(11-1)/2
= -1/6+5
= (-1+30)/6
=29/6
Hence the value of the given expression is 29/6.
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Can anyone help me rq?
Answer:
⅙
Step-by-step explanation:
I just know the answer cuz I am better
What’s an expression equivalent to -4.5-8.1=
Answer:
-12.6
Step-by-step explanation:
-4.5 - 8.1
= -4.5 + -8.1
= -12.6
Find each length below.
a) The length of the secant segment [tex]HC = 31.5[/tex].
b) The length of the secant segment [tex]XY = 4.8[/tex]
What is the secant segment?In geometry, a secant is a line that intersects a circle at two distinct points. A secant segment is part of a secant that lies between its two points of intersection with the circle.
In geometry, a segment is part of a line that is bounded by two distinct endpoints. A segment can be straight or curved. Straight segments are also called line segments, and curved segments are also called arcs.
According to the given information
a) In the figure, HG is a tangent and HD is a secant to the circle, and HC is the length of the secant segment.
We know that the product of the lengths of the two segments of a secant from an exterior point to a circle is equal to the product of the lengths of the entire secant and its external segment. That is,
[tex]HD*HE =HG^{2}[/tex]
where [tex]HE[/tex] is the length of the external segment of the secant.
Substituting the given values, we get:
[tex]31.5*HE =21^{2}[/tex]
[tex]HE = 21^{2} /31.5 = 14[/tex]
Now, we can use the same property to find [tex]HC[/tex]. That is,
[tex]HC *HE =HG^{2}[/tex]
Substituting the values we have found, we get:
[tex]HC*14 = 21^{2} \\HC = 21^{2} /14 = 31.5[/tex]
Therefore, the length of the secant segment [tex]HC = 31.5[/tex].
b) [tex]VX*VZ= VY*VW[/tex]
Substituting the given values, we get:
[tex]14.4*12= VY *36\\VY = (14.4*12)/36 = 4.8[/tex]
Therefore, the length of [tex]VY, XY = 4.8[/tex]
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If f (x) = 3x, g (x) = x + 4, and h (x) = x^2 - 1, find [fo(hog)] (1)
Answer:
Step-by-step explanation:
To find [fo(hog)] (1), we need to first evaluate the composition hog at x = 1, and then plug the result into f.
Let's start by evaluating hog at x = 1:
hog(x) = h(g(x)) = h(x + 4) = (x + 4)^2 - 1
So, hog(1) = (1 + 4)^2 - 1 = 24
Now we can evaluate f at hog(1):
f(hog(1)) = f(24) = 3(24) = 72
Therefore, [fo(hog)] (1) = 72.
3. Radioactive tracers are used when imaging the brain. A certain tracer has a
half-life of 5.0 hours.
a. Write the equation of the half-life that models the decay of 20mg.
b. During which hour will the initial amount decay to 5mg?
The original dosage will therefore decrease to 5mg at the eleventh hour (from the time of decay's beginning).
how to solve an equation ?A logical statement that two forms are equal is known as an equation. It comprises of two side, left and right, which are separated by the equals sign (=). It may be necessary to solve one or maybe more unknown variables in an equation in order for it to be true.
As an illustration, the expression 3x + 5 = 14 has one unknown quantity, x. In order to solve for x, we must rewrite the equation using operations that preserve equality, such as deducting 5 both from sides of the equation:
given
We may change A = 5 into the equation above and solve for t to get the time at which there are 5mg left: 5 = 20(1/2)(t/5)
20 divided by both sides:
Using base 2, take the logarithm of both sides:
log2(1/4) = t/5 -2 = t/5
t = -10 after multiplying both sides by 5.
As time cannot be negative, we can infer that after 10 hours, the starting amount will have decreased to 5mg.
The original dosage will therefore decrease to 5mg at the eleventh hour (from the time of decay's beginning).
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11. Your realized income is $3,167.89/month, and your fixed expenses are $954.32/every 2 weeks. (1 point) If you save 50% of your discretionary monies each month, how much are you saving?
(i have 629.63)/month if anyone could double check
12. You have a credit card with a balance of $2,856.74 at a 14.75% APR. Instead of saving the amount in question #11 in a savings account, you put the amount toward reducing your debt. How much interest do you save in 1 full month? (1 point)
need this, pls help :)
For question 12, if you put the $629.63 toward reducing your credit card debt of $2,856.74 at a 14.75% APR, then you would save in interest in 1 full month is $7.75
what is interest ?
Interest is the cost of borrowing money. It is the amount that a lender charges a borrower for the use of their money or assets. When you borrow money, you typically agree to pay back the amount you borrowed plus interest over a set period of time.
In the given question,
Yes, your calculation is correct. If your realized income is $3,167.89 per month and your fixed expenses are $954.32 every 2 weeks (so $1,908.64 per month), then your monthly discretionary income is:
$3,167.89 - $1,908.64 = $1,259.25
If you save 50% of this discretionary income each month, you would save:
50% x $1,259.25 = $629.63
For question 12, if you put the $629.63 toward reducing your credit card debt of $2,856.74 at a 14.75% APR, then you would save in interest in 1 full month:
$629.63 x (14.75%/12) = $7.75
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15
Select the correct answer.
Which of the following statements is correct about quadratic number patterns?
O A.
О в. The third difference is greater than zero.
O C.
The second difference is constant.
The difference between terms is always positive.
O D.
The first difference is constant.
The second difference is constant in quadratic number patterns. The correct option is C
What is Quadratic number patterns?
Quadratic number patterns are sequences of numbers that follow a quadratic or second-degree pattern or rule. This means that the sequence is generated by adding a constant difference between terms, which is itself increasing or decreasing linearly.
A quadratic sequence can be defined by a formula of the form :
an = a + bn + cn^2
Where
"an" is the nth term of the sequence, "a", "b", and "c" are constants, "n" is the position of the term in the sequence (starting with n=1).Therefore, the correct option is C
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Pleaee Help apap. THANKS
Answer:
36 sq. inches assuming the shapes are same as well as sides
Geometry. Find the value of the variable.
Using intersecting secant theorem, the value of x is approximately 6
How to find the value of the variableThe value of the variable is solved using intersection secant theorem
The theorem gives the formula applied as follows
(6 + 6) * 6 = (5 + x) * x
Starting with the left side of the equation:
(6 + 6) * 6 = 12 * 6 = 72
Now, let's simplify the right side of the equation:
(5 + x) * x = 5x + x^2
Substituting these simplified expressions back into the original equation, we get:
72 = 5x + x^2
This is now a quadratic equation, which we can solve by rearranging and factoring:
x^2 + 5x - 72 = 0
Using calculator the solution is x = 6.35 or -11.35
Taking the positive value we have that x = 6.35
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Assume that chips cost $1 and soda costs $2. If the consumer has $14, the combination of goods that would maximize his utility per dollar leads to a utility equal to ___________ utils.
-72
-84
-77
-9
-99
The combination of goods that would maximize the consumer's Utility per dollar leads to a utility equal to 14 utils.
To determine the combination of goods that would maximize the consumer's utility per dollar, we need to use the concept of marginal utility. Assuming that the consumer has $14 to spend and chips cost $1 while soda costs $2, the consumer could purchase either 14 chips, 7 sodas or a combination of the two.
Let's say the consumer decides to buy x chips and y sodas. The total expenditure would be 1x + 2y, and the total utility would be the sum of the marginal utility of each good multiplied by the quantity purchased.
Assuming the utility function is U(x, y) = x^(1/2) * y^(1/2), the marginal utility of chips would be (1/2)x^(-1/2)*y^(1/2) and the marginal utility of soda would be (1/2)x^(1/2)*y^(-1/2).
The consumer's goal is to maximize the utility per dollar, which is calculated as the total utility divided by the total expenditure. Therefore, the utility per dollar function would be U(x, y)/(1x + 2y).
Using the Lagrange multiplier method, we can find the combination of x and y that maximizes the utility per dollar. The first-order conditions give us the following system of equations:
(1/2)x^(-1/2)*y^(1/2) = λ
(1/2)x^(1/2)*y^(-1/2) = 2λ
x^(1/2)*y^(1/2) = 14
Solving this system of equations, we get x = 4 and y = 49/4. Therefore, the consumer should buy 4 chips and 12.25 sodas, which costs $29.50.
The utility function evaluated at this point is U(4, 49/4) = (4^(1/2))*(49/4)^(1/2) = 14. The utility per dollar function evaluated at this point is U(4, 49/4)/(1(4) + 2(49/4)) = 14/29.50 = 0.4746.
Therefore, the combination of goods that would maximize the consumer's utility per dollar leads to a utility equal to 14 utils.
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Can someone help me with these two questions please?
Answer:
Step-by-step explanation:
8 15/22 - 3/4 x 2 divided by 12
To solve this expression, we need to apply the order of operations (also known as PEMDAS): 8 15/22 - 3/4 x 2 divided by 12 = 351/44.
What is PEMDAS?
1. First, we need to simplify any expressions inside parentheses, but there are no parentheses in this expression.
2. Next, we need to perform any multiplication or division, working from left to right. So, we need to calculate 3/4 x 2 = 3/2.
3. Then, we can rewrite the expression with the new result: 8 15/22 - 3/2 divided by 12.
4. Next, we need to perform the division, which means we need to divide 3/2 by 12. To do this, we can rewrite 12 as a fraction with a denominator of 2: 12/1 x 1/2 = 6/1. Then, we can simplify 3/2 divided by 6/1 by multiplying by the reciprocal of 6/1: (3/2) x (1/6) = 1/4.
5. Now we can substitute this value back into the expression: 8 15/22 - 1/4.
6. Finally, we need to convert the mixed number 8 15/22 to an improper fraction: 8 x 22/22 + 15/22 = 181/22.
7. Now we can combine like terms: 181/22 - 1/4 = (181 x 4)/(22 x 4) - 1/4 = 724/88 - 22/88 = 702/88.
8. We can simplify the fraction by dividing both the numerator and denominator by the greatest common factor (GCF), which is 2: 702/88 = 351/44.
Therefore, 8 15/22 - 3/4 x 2 divided by 12 is equal to 351/44.
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Fine the surface area of the prism.
The surface area is ? square feet.
By answering the presented question, we may conclude that As a result, surface area the prism's surface area is 640 square feet.
what is surface area ?The surface area of an object indicates the overall space occupied by its surface. The surface area of a three-dimensional form is the entire amount of space that surrounds it. The surface area of a three-dimensional form refers to its full surface area. By summing the areas of each face, the surface area of a cuboid with six rectangular faces may be computed. As an alternative, you may use the following formula to name the box's dimensions: 2lh + 2lw + 2hw = surface (SA). Surface area is a measurement of the total amount of space occupied by the surface of a three-dimensional form (a three-dimensional shape is a shape that has height, width, and depth).
To get the surface area of the prism, sum the areas of all six faces.
The top and bottom rectangular faces have the same size and area:
10 feet x 8 feet = 80 square feet
The dimensions of the other four faces are the same:
12 feet tall x 10 feet wide = 120 square feet
As a result, the total surface area is:
2 (80 square feet) + 4 (120 square feet) = 160 square feet + 480 square feet = 640 square feet
As a result, the prism's surface area is 640 square feet.
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Circle S is shown where points V, P, and T lie on the circle and tangent lines VK and T'K intersect at point K.
p
S
K
If mVPT = 234° what is the measure of angle LVKT?
In the tangent line , Value of [tex]m\angle{VKT}[/tex] is A)54°.
What is tangent line in the circle?A circle's tangent is a single-pοinted line that intersects the circle. The "pοint οf tangency" is the lοcatiοn where the circle and the tangent crοss. The radius οf the circle, with which it crοsses, is perpendicular tο the tangent. All curved shapes can be thοught οf as tangent. As a tangent is a line, it has an equatiοn as well.
The line that οnly tοuches the circumference οf a circle οnce is said tο be tangent tο it. Fοr each circled pοint, there can οnly be οne tangent. The tangent's pοint οf tangency is where it jοins the circle.
Here the given circle arc length mVPT = 234°. Then
arc length οf mVT = 360°-234° = 126°
Nοw using tangent line fοrmula in circle then,
=> [tex]m\angle{VKT}=\frac{mVPT-mVT}{2}[/tex]
=> [tex]m\angle{VKT} =\frac{234\textdegree-126\textdegree}{2}[/tex]
=> [tex]m\angle{VKT} =\frac{108\textdegree}{2} =54\textdegree[/tex].
Hence the correct option is A)54°.
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Determine whether the pair of functions are inverses functions
the given pairs of functions are inverse of each other.
A function that can reverse into another function is known as an inverse function or anti-function. In other words, the inverse of a function "f" will take y to x if any function "f" takes x to y. When a function is written as "f" or "F," its inverse is written as "f-1" or "F-1." Here, (-1) should not be confused with an exponent or a reciprocal.
We have two function
f(x) = √(x+4)+9
let y=√(x+4)+9
y-9=√(x+4)
(y-9)²=x+4
x=(y-9)²-4
inverse of f(x) is (x-9)²-4
Now for g(x)= (x-9)²-4
The inverse of g(x)
will be f(x) = √(x+4)+9
Hence the given pairs of function is inverse of each other
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The area of a square is 49 mm.
What is the length of each side?
Answer:
Area = 49 mm
Answer:
Step-by-step explanation:
Sumi owns a plant store she wants to put 438 plants in 7 equal rows How many plants will be left over after putting them in do
There will be 4 plants left over after putting them in 7 equal rows.
Calculating the number of left over plantsTo find out how many plants will be left over after putting them in 7 equal rows, we need to divide the total number of plants (438) by the number of rows (7) and then find the remainder.
We can use integer division to find out how many plants will be in each row:
438 ÷ 7 = 62
So each row will have 62 plants.
To find out how many plants will be left over, we can subtract the total number of plants from the product of the number of rows and the number of plants in each row:
438 - (7 x 62) = 438 - 434 = 4
Therefore, the number of plants remaining is 4 plants
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The number of users on a website is 6300 and is growing exponentially at a rate of
73% per year. Write a function to represent the number of users on the website after t
years, where the daily rate of change can be found from a constant in the function.
Round all coefficients in the function to four decimal places. Also, determine the
percentage rate of change per day, to the nearest hundredth of a percent.
The percentage rate of change per day is approximately 0.1932%.
What is a function?A function has an input and an output.
A function can be one-to-one or onto one.
It simply indicated the relationships between the input and the output.
Example:
f(x) = 2x + 1
f(1) = 2 + 1 = 3
f(2) = 2 x 2 + 1 = 4 + 1 = 5
The outputs of the functions are 3 and 5
The inputs of the function are 1 and 2.
We have,
To represent the number of users on the website after t years, we can use the exponential growth formula:
[tex]N_t = N_0 \times e^{rt}[/tex]
where [tex]N_0[/tex] is the initial number of users, r is the growth rate, and t is the time in years.
Given that [tex]N_0[/tex] = 6300 and the growth rate is 73%, or 0.73, per year,
The function is:
[tex]N_t = 6300 \times e^{0.73t}[/tex]
To find the percentage rate of change per day, we can use the formula:
[tex]r = (e^{0.73/365} - 1) \times 100%[/tex]
where 0.73/365 is the daily growth rate.
Solving for r, we get:
[tex]r = (e^{0.73/365} - 1)[/tex] x 100%
r ≈ 0.1932%
Therefore,
The percentage rate of change per day is approximately 0.1932%.
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What is 27500.00 minus .025
Answer:
27499.975
Step-by-Step Reasoning:
1. Start with the given number: 27500.00
2. Subtract .025 from 27500.00
3. 27500.00 - .025 = 27499.975
Answer:
Step-by-step 27500.075
The students at Woodward Elementary voted for a school mascot. The falcon won with 5/8 of the votes and the eagle came second with 1/3 of the remaining votes. If 536 students voted for a mascot, how many students voted for the eagle
Approximately 75 students voted for the eagle.
Define fractionA fraction is a numerical quantity that represents a part of a whole or a quotient of two numbers. It consists of two numbers separated by a horizontal or diagonal line called a fraction bar or a division bar.
The falcon won with 5/8 of the votes, which means that 3/8 of the votes were for the other candidates (since 5/8 + 3/8 = 1).
Let's represent the total number of votes as "x".
Then, the number of votes for the falcon is (5/8)x and the number of votes for the other candidates is (3/8)x.
Out of these other candidates, the eagle received 1/3 of the votes. So, the number of votes for the eagle is:
(1/3)(3/8)x = (1/8)x
We know that the total number of votes is 536, so we can set up the equation:
(5/8)x + (3/8)x + (1/8)x = 536
Simplifying the equation, we get:
(9/8)x = 536
Multiplying both sides by 8/9, we get:
x = 596
Therefore, the number of votes for the eagle is:
(1/8)x = (1/8)(596) = 74.5
Therefore, approximately 75 students voted for the eagle.
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