127.6÷10 to the power of 5
im not sure if that is how you type it

Answers

Answer 1

Answer:

338262.124

Step-by-step explanation:

127.6/10 = 12.76 (depending on how many zero is how much you'll move the decimal to the left)

12.76^5 = 338262.124 because it's 12.76x12.76x12.76x12.76x12.76


Related Questions



The rival football team is predicted to score 35 points at the next game. How many field
goals (3 points) and how many touchdowns (assume 7 points) does your team need to
score in order to win? Let f = field goal and t = touchdown. Create an inequality to
represent this situation and determine values for the variables in an organized way that
makes your inequality true. List at least 3 possible game winning combinations and
justify your answer.

Answers

To win the game, your team needs to score more than   [tex]35[/tex] points, which means: 3f + 7t > 35 three possible game-winning combinations are:

[tex]t = 5, f = 11: 3(11) + 7(5) = 63[/tex]

[tex]t = 6, f = 8: 3(8) + 7(6) = 62[/tex]

[tex]t = 7, f = 5: 3(5) + 7(7) = 56[/tex]

Each of these combinations would result in your team scoring more than 35 points and winning the game.

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 [tex]"2x + 3 = 9"[/tex]  asserts that the phrase [tex]"2x + 3"[/tex]  equals the number "9." The purpose of equation solving is to determine the value or values of the variable(s) that allows 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. [tex]"x2 + 2x - 3 = 0."[/tex]    Lines are utilised in many different areas of mathematics, such as  algebra, calculus, and geometry.

Let's let f be the number of field goals scored by your team and t be the number of touchdowns scored by your team.

a) To win the game, your team needs to score more than 35 points, which means:

3f + 7t > 35

We can simplify this inequality by dividing both sides by 1:

3f + 7t/1 > 35/1

3f + 7t > 35

b) Now, we need to find possible values for f and t that make this inequality true. Since we are looking for positive integer values for f and t, we can start by testing different values for t and solving for f:

If t = 5, then 3f + 7(5) > 35, so 3f > 0 and f > 0. Possible solutions are f = 1, f = 2, f = 3, and so on.

If t = 6, then 3f + 7(6) > 35, so 3f > 7 and f > 2. Possible solutions are f = 3, f = 4, f = 5, and so on.

If t = 7, then 3f + 7(7) > 35, so 3f > 14 and f > 4. Possible solutions are f = 5, f = 6, f = 7, and so on.

c) So, three possible game-winning combinations are:

[tex]t = 5, f = 11: 3(11) + 7(5) = 63[/tex]

[tex]t = 6, f = 8: 3(8) + 7(6) = 62[/tex]

[tex]t = 7, f = 5: 3(5) + 7(7) = 56[/tex]

Each of these combinations would result in your team scoring more than 35 points and winning the game.

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Keisha is playing a game using a wheel divided into 8 equal sectors, as shown in the diagram below. Each time the spinner lands on blue, she will win a prize.

If Keisha spins this wheel twice, what is the probability that she will win a prize on both spins?

show all steps

Answers

Answer:

4/64

Step-by-step explanation:

The spinner is independent (the total won't be effected)

we know there is 2 whites with 8 coloured option.

we want the probability of getting two whites.

2/8 x 2/8 = 4/64

there is 3 ways to work out probability, fraction, decimal and percentage (i'd personally say fraction is the most easiest)

Use the slope of 5/3 and the point (−3, –4) to graph the line

Answers

The equation of the line is 3y-5x=3 and the graph is attached.

Geometrically speaking, a line is a one-dimensional figure because it has length but no width. A group of points can be extended endlessly in opposing directions to form a line. Two points in a two-dimensional plane determine it. There are, however, additional ways to formulate the equation of a line in a two-dimensional coordinate system. The three most popular methods are the point-slope form, slope-intercept form, and general or standard form of the equation of a line. As its name suggests, the point-slope form combines a line point and a straight-line slope. The equations of infinite lines with a particular slope can be expressed, however when we specify that the line passes through a particular point, we get a singularity.

the equation of a line is

y-y'=m(x-x')

[tex]y+4=\frac{5}{3}(x+3)\\\\3y+12=5x+15\\3y-5x=3[/tex]

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1. The table lists the length of time in seconds it takes for each student in Ms. Sousa's class to say the alphabet. Make a line plot of the data. 2. Meghan says the difference between the least amount of time it takes a student to say the alphabet and the greatest amount of time is 4 seconds. Do you agree? Explain.​

Answers

Answer:

The file is attached below.

I disagree with Meghan.

Step-by-step explanation:

Hello!

The line plot is attached below.

I disagree with Meghan as the least amount of time someone recited the alphabet is 4 seconds and the greatest is 7.5 seconds.

The difference between these two numbers would be 3.5 seconds, which is not the same as 4 seconds.

5. Counting problems, leave answers as expressions, e.g., 10 npr 4, 8 nCr 3 or 35 [5 pts each part]
a) A club elects a steering committee of 5. Among these 5, a chair and secretary are chosen. How many different sets of committees (including officer selection) are possible if club has 15 members? Officers are not the same as the non-officer members, so this is hybrid permutation/combination problem.
b) At an event that drew 100 people where each attendee gets one raffle ticket, there are 6 raffle prizes worth $200, $100, $50, $25, $25, $25. How many different raffle ticket winner selections are possible? Be careful, the $25 prizes are equivalent, so this is hybrid permutation and combination problem.
c)If repeats are allowed but a code cannot begin with 0, how many six-digit PIN codes can be made?​

Answers

Answer:

Step-by-step explanation:

a) The steering committee of 5 can be chosen from 15 members in 15 nCr 5 ways. Once the committee is chosen, the chair can be selected in 5 ways and the secretary can be selected in 4 ways (since the chair cannot also be the secretary). Therefore, the total number of different sets of committees (including officer selection) is:

15 nCr 5 * 5 * 4 = 3,003,600

b) Each of the 6 raffle prizes can be awarded to any of the 100 people, so there are 100 choices for the first prize, 99 choices for the second prize, and so on, down to 95 choices for the sixth prize. However, since the three $25 prizes are equivalent, we need to divide by 3! to account for the ways in which the $25 prizes can be arranged. Therefore, the total number of different raffle ticket winner selections is:

(100 * 99 * 98 * 97 * 96 * 95) / (3!) = 903,450,240,000

c) Since repeats are allowed and the code cannot begin with 0, there are 9 choices for the first digit and 10 choices for each of the remaining digits. Therefore, the total number of six-digit PIN codes that can be made is:

9 * 10^5 = 9,000,000

helppp please

A population of bacteria is growing according to the equation p(t)=1000e^0.21t
Use a graphing calculator to estimate when the population will exceed 2627.

t =------------

Answers

The population will exceed 2627 after approximately 6.08 units of time.

What is logarithm?

A lοgarithm is a mathematical functiοn that tells us what expοnent is needed tο prοduce a given number, when that number is expressed as a pοwer οf a fixed base. In οther wοrds, lοgarithms tell us hοw many times we need tο multiply the base by itself tο get the desired number.

To solve for t when the population exceeds 2627, we can set the equation equal to 2627 and solve for t:

p(t) = 1000[tex]e^{(0.21t)}[/tex] = 2627

Dividing both sides by 1000, we get:

[tex]e^{(0.21t)}[/tex] = 2.627

Taking the natural logarithm of both sides, we get:

0.21t = ln(2.627)

Solving for t, we get: t = ln(2.627)/0.21 ≈ 6.08

Therefore, the population will exceed 2627 after approximately 6.08 units of time.

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PLEASE HELP!!! MIDDLE SCHOOL MATH!!!!!!!!!!!!!!!!!!!!!

Which of the following represent angle measures in the figure shown? select all that apply

PLEASE LOOK AT PICTURE BELOW!!!!!! MUST SHOW WORK!!!!!!!!!!!!!!

Answers

Answer:

55°90°145°

Step-by-step explanation:

For the 90°/right angle part, we can subtract 35° from 90° to get the degree of that area.

90° - 35° = 55°

We can check off the "55°" box

----------------------------------------------

Now, for the other half of the straight angle including the right angle, we can subtract 90° from 180°.

Getting 90°

We can check off the "90°" box

-------------------------------------------------

To find the degree of the "(7x + 5°)" -- assuming that that angle is vertical to the "other" -- we can make an equation of

⇒ 7x + 5° = 90° + 55°

Solve:

Add together 90 and 55 which is 145°

New equation:

7x + 5° = 145°

Subtract 5° from both sides, getting the equation

7x = 140°

Isolate x by dividing both sides by 7

x = 20°

Substitute what we have for x into the equation "7x + 5°"

7(20°) + 5

= 145°

We can check off the "145°" box

------------------------------------------

All the boxes checked off:

55°90°145°

Hopefully this helps! -- mark me brainliest if you want ofc

A and B are two mathematically similar containers.
Container A has surface area of 1550mm2 and container B has surface area of 10478mm2 Given that
volume of container B − volume of container A = 62 160mm3
calculate the volume, in mm3 , of container A.

Answers

Answer: Let's call the scale factor between the two containers "k". Then, we know that the ratio of their surface areas is equal to the square of the scale factor:

(surface area of B) / (surface area of A) = k^2

We also know that the ratio of their volumes is equal to the cube of the scale factor:

(volume of B) / (volume of A) = k^3

We can rearrange the first equation to solve for k:

k^2 = (surface area of B) / (surface area of A) = 10478 mm^2 / 1550 mm^2 = 6.75

Taking the square root of both sides, we get:

k = sqrt(6.75) = 2.6 (rounded to one decimal place)

Now we can use the second equation to find the volume of container A:

(volume of B) - (volume of A) = 62160 mm^3

(k^3)(volume of A) - (volume of A) = 62160 mm^3

Simplifying and solving for the volume of A, we get:

volume of A = 62160 mm^3 / (k^3 - 1) = 62160 mm^3 / (2.6^3 - 1) ≈ 4477 mm^3

Therefore, the volume of container A is approximately 4477 mm^3.

Step-by-step explanation:

Need help! (For 50 points)

Answers

Answer:

168°

------------------------------

Supplementary angles add up to 180°:

m∠A + m∠B = 180°

Substitute and solve for x:

x - 9 + 7x + 21 = 1808x + 12 = 1808x = 168x = 21

Find the measure of ∠B:

m∠B = (7*21  + 21)° = 168°

. Translate parallelogram ABCD 2 units down and plot it. 2. Translate rhombus EFGH 2 units to the left, 4 units down, and plot it. 3. If the coordinates of the vertices of a square LMNO are L(-5,-5), M(-5,-2), N(-2,-2). What are the coordinates for O? 4. If the coordinates of the vertices of a triangle XYZ are X (2,1), Y(4,4) and Z(5,2). Translate the triangle XYZ 4 units down. What are the new coordinates? 5. Write the coordinates down for the following points: Please Write The answers

Answers

To translate a shape, all of its vertices must be moved in the same direction and by the same amount. The responses to the five sections of the question are as follows:

What are coordinates?

Coordinates are used to identify the position of an object on a two-dimensional grid or in three-dimensional space. They are usually written as pairs of numbers, separated by a comma.

1. We must deduct 2 from all of the y-coordinates of the vertices of the parallelogram ABCD in order to translate it two units down. Let's assume that the vertices' initial coordinates are A(a,b), B(c,d), C(e,f), and D. (g,h). The vertices will then have the new coordinates A'(a,b-2), B'(c,d-2), C'(e,f-2), and D' (g,h-2). To obtain the translated parallelogram, plot these new vertex points.

2. To move the rhombus EFGH 2 units to the left and 4 units down, we must deduct 2 from all of its vertices' x-coordinates and 4 from all of its y-coordinates. Let's assume that the vertices' initial coordinates are E(a,b), F(c,d), G(e,f), and H. (g,h). The vertices will then have the new coordinates E'(a-2,b-4), F'(c-2,d-4), G'(e-2,f-4), and H' (g-2,h-4). To obtain the translated rhombus, plot these additional vertices.

3. If we want to translate a square with coordinates L(-5,5), M(-5,5), N(5,5), and O(5,5) 3 units to the right and 2 units up, we must add 3 to all of its x-coordinates and subtract 2 from all of its y-coordinates. The vertices' new coordinates are L'(-2,-7), M'(-2,3), N'(8,3), and O' (8,-7). To obtain the translated square, plot these new vertex points.

4. The new coordinates of triangle XYZ after translating 4 units down will be X' (2,-3), Y' (4,1) and Z' (5,-2). This is happening because when a triangle is translated 4 units down, the y-coordinate of each vertex is decreased by 4 units, while the x-coordinate remains the same.

5. I (4,-2) P (-4,-2) G (5,2) Q (6,-4) R (-2,2)

S (6,4) J (1,-1) U (-5,0) H (3,-1) K (-6,-5)

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Jaime runs 8 miles every 3 days.
At this rate how long will it take
Jaime to run 96 miles?

Answers

Answer:

It will take Jaime 36 days to run 96 miles.

Step-by-step explanation:

The formula for rate is:

[tex]\boxed{\sf Rate=\dfrac{Distance}{Time}}[/tex]

Therefore, Jaime's run rate is:

[tex]\implies \sf Rate=\dfrac{8\;miles}{3\;days}=\dfrac{8}{3} \;miles\;per\;day[/tex]

Rearrange the rate formula to isolate time:

[tex]\implies \sf Time=\dfrac{Distance}{Rate}[/tex]

To find how long it will take for Jaime to run 96 miles, substitute the distance and rate into the formula and solve for time:

[tex]\implies \sf Time=\dfrac{96\;miles}{\frac{8 \;miles}{3\;days}}[/tex]

[tex]\implies \sf Time=96\;miles \times \dfrac{3\;days}{8\;miles}[/tex]

[tex]\implies \sf Time= \dfrac{288}{8}\;days[/tex]

[tex]\implies \sf Time= 36\;days[/tex]

Therefore, it will take Jaime 36 days to run 96 miles.

Uma pessoa decide fazer uma reforma na sala de
sua casa e, para não provocar problemas estruturais,
resolve analisar a planta da construção primeiro. Ela
nota que a planta da casa está em uma escala de 1:200
e mostra que a área da sala é de 21 cm².
Qual é a área real da sala, em m²?
A 19
B 38
C42
D 84
E168

Answers

answer b is corrcet

Find angle ABD please help fast i will mark brainiest

Answers

Answer:

I think its 75 degrees and brainliest would be greatly appreciated

75 because it’s asking for ABD and you just have to add 30+45

What is the value of x? ​

Answers

Answer:

x = 20

Step-by-step explanation:

using the cosine ratio in the right triangle and the exact value

cos45° = [tex]\frac{\sqrt{2} }{2}[/tex] , then

cos45° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{10\sqrt{2} }{x}[/tex] = [tex]\frac{\sqrt{2} }{2}[/tex] ( cross- multiply )

x × [tex]\sqrt{2}[/tex] = 20[tex]\sqrt{2}[/tex] ( divide both sides by [tex]\sqrt{2}[/tex] )

x = 20

if 4,a,16 are in geometric sequence find the value of a .​

Answers

Answer:

a = 8

Step-by-step explanation:

4 x 2 = 8

8 x 2 = 16

Helping in the name of Jesus.

George invests a sum of money into a savings account with a fixed annual interest rate of 5.5% and compounded 6 times a year. After 7 years the account has a balance of $3,820. What is the initial investment?
Group of answer choices

a. $1506.30
b. $2603.88
c. $7082.77
d. $5604.10

Answers

The initial investment was approximately $2,603.88, which is option (b).

What is probability?

Probability is a measure of the likelihood of an event occurring.

We can use the formula for compound interest:

A = [tex]P(1+r/n)^{nt}[/tex]

where A is the final amount, P is the principal (initial investment), r is the annual interest rate (as a decimal), n is the number of times the interest is compounded per year, and t is the time period in years.

In this case, we know that the final amount A is $3,820, the annual interest rate r is 5.5% (or 0.055 as a decimal), the interest is compounded 6 times a year (n = 6), and the time period is 7 years.

So we can rearrange the formula to solve for P:

P = A/[tex]P(1+r/n)^{nt}[/tex]

Plugging in the values, we get:

P = 3820 / [tex](1+0.055/6)^{6*7}[/tex]

P ≈ $2,603.88

Therefore, the initial investment was approximately $2,603.88, which is option (b).

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The total for which two pet sales is 731

Answers

Answer: 363+368=731

Step-by-step explanation:

A TV cable company has 9600 subscribers who are each paying ​$36 per month. It can get 160 more subscribers for each​ $0.50 decrease in the monthly fee. What rate will yield maximum​ revenue, and what will this revenue​ be?

Answers

The function has the maximum revenue of $348,480 with the increasing rate of $33.

Explain about the maxima of function:

The highest and smallest values of a function, respectively, can either be found inside a specific range or distributed throughout the entire domain. They are also sometimes referred to collectively as the function's extrema. The plural forms of a function's maximum and minimum are called maxima and minima, accordingly.

Given data:

We are aware that monthly subscription fees are $36.The corporation can increase its subscription count for a $0.50 drop.We also know that the business has 9600 subscribers and has the capacity to add 160 more.

The overall revenue is thus:

y = (36 - 0.50x)(9600 + 160x)

Differentiate with respect to x.

y ' = (-0.50)(9600 + 160x) + 160(36 - 0.50x)

y' = -4800 - 80x + 5760 - 80x

y' = 960 - 160x

To find x, put y' = 0

960 - 160x = 0

x = 960/160 = 6 (critical point)

Function is decreasing in interval - [6, +∞)

Increasing Function in interval - (-∞, 6]

Thus, the function has the maximum value at x = 6.

maximum revenue f(6):

f(6) = (36 - 0.50x)(9600 + 160x)

f(6) = (36 - 0.50(6))(9600 + 160(6))

f(6) = $348,480

Rate : 36 - 0.50(6) = $33

The function has the maximum revenue of $348,480 with the increasing rate of $33.

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The graph of the function y= x^2 is shown. How will the graph change if the equation is changed to y = (1/4) x^2

Answers

If the equation is changed from y = x^2 to y = (1/4)x^2, the parabola will become wider.

Estimate each project draw a diagram if necessary 2/3 x 26

Answers

Each product of the fractions are

Part1. =17.33

Part2.= 0.73

Part3.=45.93

Define multiplication

Multiplication is a mathematical operation that involves combining two or more numbers to obtain a product or result. Multiplication is a fundamental arithmetic operation that is used in a wide range of mathematical applications, from simple calculations such as calculating the area of a rectangle, to more complex problems in algebra, geometry, and calculus.

Part1.

⅔×26

Multiplying 2 and 26, we get

52/3

Now, dividing it with3, we get

17.33

Part2.

⅞×5/6

Multiplying 7 and 5 and 8 and 6, we get

35/48

Now, dividing 35 and 48, we get

.73

Part3.

5 ⅕× 8 ×⅚

Solving the improper fractions;

26/5×53/6

Multiplying 26 and 53 and 5  and 6, we get

1378/30

Now, dividing 35 and 48, we get

45.93.

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Ivan Ukhov, the 2012 Olympics high jump gold medallist jumps 2.4 metres. This is 4% lower than the best height he can jump. What is the best height he can jump?​

How do I work this out?

Answers

The best height he can jump is 2.5 meters. The solution has been obtained by using the arithmetic operations.

What are arithmetic operations?

It is believed that the four fundamental operations, often known as "arithmetic operations," adequately explain all real numbers. Division, multiplication, addition, and subtraction are the mathematical operations that come before quotient, product, sum, and difference.

We are given that Ivan Ukhov  jumps 2.4 metres which is 4% lower than the best height he can jump.

Let the best height be 'x'.

So, from the above information, we get

⇒ x - 0.04x = 2.4

⇒ 0.96x = 2.4                     (Using subtraction)

⇒ x = 2.5                             (Using division)  

Hence, the best height he can jump is 2.5 meters.

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Identify the local, maximum and minimum for the function given

Answers

The function f(x) = 2x³-3x² - 12x + 1 does not have any local maximum or minimum values over the interval [2, 3].

Equations

To find the local maximum and minimum of a function over a given interval, we need to find the critical points of the function within that interval and then apply the second derivative test to classify those critical points as local maximum or minimum.

To find the critical points, we first take the derivative of the given function:

f'(x) = 6x² - 6x - 12 = 6(x² - x - 2)

x = -1 or x = 2

Both of these critical points fall outside the given interval [2, 3]. Therefore, there are no critical points of the function within the interval [2, 3], and so there are no local maximum or minimum values of the function over this interval.

In other words, the function f(x) = 2x³-3x² - 12x + 1 does not have any local maximum or minimum values over the interval [2, 3].

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At a dog show, the mean weight of the Norfolk Terriers is
11.5 pounds with a MAD of 2. The mean weight of the
Cairn Terriers is 13 pounds with a MAD of 1.8. Express the
difference in mean weights as a multiple of the MAD for
both dog breeds. Show your work.

Answers

Answer:

Step-by-step explanation:

To express the difference in mean weights as a multiple of the MAD for both dog breeds, we can use the formula:

(difference in means) / (mean absolute deviation)

Let's plug in the values given in the problem:

(difference in means) = 13 - 11.5 = 1.5

(mean absolute deviation) = 2 + 1.8 / 2 = 1.9 (taking the average of the two MADs)

Now we can calculate:

(difference in means) / (mean absolute deviation) = 1.5 / 1.9 ≈ 0.7895

Therefore, the difference in mean weights between the two breeds is approximately 0.7895 times the average MAD for both breeds.

Krysti is ordering T-shirts for 25 classmates. She knows that 80% of her class wants a small size she mistakingly ordered 12 small size t shirts

Answers

As 80 percentage of 25 classmates is equal to 20. Krysti should have ordered 20 small t-shirts for her 25 classmates

What is error?

Error is when a mistake is made while solving a mathematical problem.

Krysti's error in finding the number of small t-shirts is that she forgot to multiply the percentage by the total number of classmates.

If Krysti wanted to find the number of small t-shirts she should have ordered, she should have multiplied

80% * 25.

=0.8 * 25

= 20.

To explain it in another way, Krysti could have also 100/25 and then 80 divided by the answer that is 4. This would also give the same result of 20.

Krysti's error was that she did not correctly use percentages to find the number of small t-shirts she should have ordered.

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Over what interval is the graph of y = |x + 6| decreasing? A. (–∞, –6) B. (–∞, 6) C. (–6, ∞) D. (6, ∞)

Answers

The function is decreasing for x < -6, or over the interval (–∞, –6).

What is a graph?

In computer science and mathematics, a graph is a collection of vertices (also known as nodes or points) connected by edges (also known as links or lines). Graphs are often used to represent relationships between objects or to model complex systems.

The derivative of the function y = |x + 6| is equal to -1 for x < -6 and 1 for x > -6. At x = -6, the derivative is undefined, but the function is not decreasing there, so we don't need to consider that point.

Thus, the function is decreasing for x < -6, or over the interval (–∞, –6). Therefore, the answer is A. (–∞, –6).

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The net shown represents a square pyramid. 20 ft 32 ft • Determine the area, in square feet, of one triangular face of the square pyramid • Determine the total surface area, in square feet, of the square pyramid.​

Answers

The total surface area must be calculated by adding the areas of all five faces, the four triangular faces, and the square base.

What is a square pyramid known as?

The term "square pyramid" refers to a three-dimensional geometric form with a square base and four triangular faces or sides that meet at a single point (known as a vertex). Because it has five faces, it is referred to as a pentahedron.

Given :

Let s represent the square base's side length and h represent the slant height of each triangle face. The area of a single triangle is then determined by:

A = (1/2) * s * h

The areas of all five face the four triangular faces and the square base must be added up in order to determine the overall surface area of the pyramid.

The overall surface area is: since the square base has a simple area of s2.

When we replace A with the expression, we obtain:

We require further details regarding the pyramid in order to determine the values of s and h.

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need help on this please

Answers

Answer:

z = 8

Step-by-step explanation:

To find:-

The value of z .

Answer:-

We are here given that the right angle is made up of two angles viz 8z° and (3z+2)° .

As we know that the measure of a right angle is 90° , so the sum of the two angles would also be 90° . Hence here ,

→ 8z + 3z + 2 = 90

→ 11z + 2 = 90

→ 11z = 90-2

→ 11z = 88

→ z = 88/11

z = 8

Hence the value of z is 8 .

Use the rules for multiplication and/or division of measurements. According to climatologists, the carbon dioxide (CO₂) levels in the atmosphere in 2012 were the highest levels in 650,000 years, standing at 396 parts per million (ppm). The safe upper limit is 350 ppm. The current rate of increase is 2.10 ppm per year. If that rate of increase remains constant from 2012 until 2030, what would be the expected CO₂ level (in ppm) in our atmosphere by the end of the year 2030? (Round your answer to the same number of significant digits as the measurement that has the least number of significant digits.) ppm ​

Answers

Rounding to the same number of significant digits as the measurement with the least number of significant digits (which is "350 ppm"), the expected CO₂ level by the end of 2030 would be 430 ppm.

Describe Significant digits?

Significant digits, also known as significant figures or sig figs, are the digits in a number that are considered to be accurate or meaningful. They represent the precision or reliability of a measurement or calculation.

In a number, all digits except for leading zeros are considered to be significant. For example, in the number 0.00456, there are three significant digits (4, 5, and 6), while the zeros before the 4 are not significant.

The rules for determining the number of significant digits in a number are:

All non-zero digits are significant.

Zeros between non-zero digits are significant.

Leading zeros are not significant.

To find the expected CO₂ level in the atmosphere by the end of 2030, we need to calculate the total increase in CO₂ levels from 2012 to 2030 and then add it to the 2012 CO₂ level of 396 ppm.

To calculate the total increase in CO₂ levels, we can use the following formula:

Total increase in CO₂ levels = rate of increase × time

where the rate of increase is 2.10 ppm per year and the time is the number of years from 2012 to 2030, which is 18 years.

Total increase in CO₂ levels = 2.10 ppm/year × 18 years = 37.8 ppm

Therefore, the expected CO₂ level in the atmosphere by the end of 2030 would be:

Expected CO₂ level = 2012 CO₂ level + total increase in CO₂ levels

Expected CO₂ level = 396 ppm + 37.8 ppm

Expected CO₂ level = 433.8 ppm

Rounding to the same number of significant digits as the measurement with the least number of significant digits (which is "350 ppm"), the expected CO₂ level by the end of 2030 would be 430 ppm.

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Please help with this equation I’ll give brainliest.

Answers

B is the answer i got it right

Step-by-step explanation:

a) Since the temperature of the oven is decreasing by a percentage of its current temperature each minute, the function that best represents this situation is an exponential function.

b) Let T be the temperature of the oven in degrees Fahrenheit at time x minutes after it was turned off. The initial temperature of the oven was 450° F, and the temperature decreases by 10% each minute. This can be expressed as:

T = 450(0.9)^x

Therefore, the function that models the situation is:

f(x) = 450(0.9)^x

where f(x) is the temperature of the oven in degrees Fahrenheit x minutes after it was turned off.

how do i plug 3x^2 - 13x + 4 = 0 into a calculator?

the question is asking to factor and solve

Answers

Answer:

x=1/3

          ≈ 0.333333333

x=4

Step-by-step explanation:

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