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Stella [2.4K]
3 years ago
15

What is the radius of a circle with an area of 78.5 cubic inches? Use 3.14 for pi. Enter your answer in the box.

Mathematics
2 answers:
sammy [17]3 years ago
8 0

Answer: Your Answer would be 5 inches

Step-by-step explanation:

Your welcome!!!

Korvikt [17]3 years ago
4 0

Answer:

r =5 in

Step-by-step explanation:

Area of a circle is given by

A = pi r^2

We know the area and pi

78.5 = 3.14 r^2

Divide by 3.14

78.5/3.14 = 3.14 /3.14 r^2

25 = r^2

Take the square root of each side

sqrt(25) = sqrt(r^2)

5=r

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Answer:

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Step-by-step explanation:

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7 0
2 years ago
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Adult male heights have a normal probability distribution with a mean of 70 inches and a standard deviation of 4 inches.
nexus9112 [7]

Answer: 0.84134

Step-by-step explanation:

We need to find the z-score for the given information first since this will help us find the probability. The formula for this is

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x = 66 inches (the raw score)

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\sigma = 4 inches (the standard deviation)

This gives

Z score = \frac{x - \mu}{\sigma} = \frac{66-70}{4} = -1

If you use a calculator, or a Z-score table then P(x > Z) is just P(Z > -1) which gives a probability of 0.84134.

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2 years ago
Please find the measure of each angle in the degrees!
konstantin123 [22]

Answer:

A》39°

B》91°

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Step-by-step explanation:

hope it helps

have a great day!!

3 0
2 years ago
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Evaluate 20 - 3x when x = 2 and when x =3. which gives you the larger value and what is that value?
kvasek [131]
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3 years ago
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A company had the following purchases and sales during its first year of operations:
Julli [10]

The final answer of the Inventory is $3540.

<h3>What is Inventory?</h3>

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brainly.com/question/15118949

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