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3 years ago

HELP PLZZZZZ OMGGGGGGG

Mathematics

1 answer:

Sidana [21]3 years ago

3 0

The money is a lot so it would be c

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The mean of the temperatures in the chart is 24° with standard deviation of 4°. How many years had temperatures within one stand

lions [1.4K]

Answer:

Step-by-step explanation:

Given: The mean of the temperatures in the chart is 24° and standard deviation is 4°.

To find: How many years had temperatures within one standard deviation of the mean

Solution: Mean temperature μ = 24 , standard deviation σ =4

The lower and upper bound for temperature within one standard deviation of the mean is given as:

Lower bound = μ - σ = 24 - 4=20

Thus, the Lower bound is = 20

Upper bound = μ + σ = 24+ 4=28

Thus, the Upper bound is = 28

Now, The temperature value between (Lower bound, Upper bound) that is (20, 28) is said to be within one standard deviation of the mean.

Hence 27° is the temperature value that is within one standard deviation of mean.

5 0

3 years ago

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What are two equivalent ratios for 1/8

Leto [7]

Two equivalent ratios for 1/8 is 2:16 and 4:32

5 0

3 years ago

the surface area of a sphere is 1,017.36 square inches.what is the volume of the sphere? use 3.14 for pi

emmasim [6.3K]

Answer:

Area = 254.34 inches ³

Step-by-step explanation:

The formula to find the surface area of a sphere is:

$SA = 4\pi r^{2}$

To find the volume of the sphere, we first need to figure out the radius ( $r$ ) of the sphere. We can accomplish this by reversing the formula that was used to find the surface area. $(1017.36 in^{2})$

$SA = 4\pi r^{2}$

$1017.36 = 4\pi r^{2}$

Divide both sides by pi ( $3.14$ ).

$1017.36 = 4\pi r^{2}$

$324 = 4 r^{2}$

Divide both sides by 4.

$324 = 4 r^{2}$

$81 = r^{2}\\$

Find the square root of both sides.

$81 = r^{2}\\$

$\sqrt{81} = r$

radius = 9

Insert the value of the radius into the formula for finding the volume of a sphere. $(A=\pi r^{2})$

$(A=\pi r^{2})$

$A=\pi (9)^{2}$

$A=\pi (81)$

$A = 254.34$

Area = 254.34 inches ³

~Hope this helps!~

4 0

3 years ago

What does the statement T(20) = T(c) mean?

artcher [175]

It is C. floor 20 and floor c have the same amount of tenants

5 0

3 years ago

9=v divided by 5 solve.

sp2606 [1]

Answer:

45= v

Step-by-step explanation:

9 = v/5

Multiply each side by 5

9*5 = v/5*5

45 =v

7 0

3 years ago

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