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3 years ago

A circular pan has a diameter of 8 inches. What is the exact area of the pan?

2 answers:

8 0

You would divide the diameter in half to get the radius which is 4. And do the formula which is a=pie(r) squared. So the answer would be 50.24

anastassius [24]3 years ago

3 0

Diameter of a circle = 2r
an area of a circle = <span> πr²
so, if the diameter of the circular pan is 8 inches taht menas,
2r = 8
or, r = 4 inches
so area of the pan = </span>πr² = 22/7* 4 = 12.57 inches

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7nadin3 [17]

Answer:

Step-by-step explanation:

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3 years ago

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Find the mean, variance, and standard deviation of the binomial distribution with the given values of n and p. , The mean, ,

klemol [59]

Complete Question

Find the mean, variance, and standard deviation of the binomial distribution with the given values of n and p. , The mean, , is nothing. (Round to the nearest tenth as needed.)

p = 0.6 n = 18

Answer:

The mean $\mu = 10.5$

The standard deviation $\sigma = 2.08$

The variance $var = 4.32$

Step-by-step explanation:

From the question we are told that

The probability of success is $p = 0.6$

The sample size is $n = 18$

Generally given that the distribution is binomial, then the probability of failure is mathematically represented as

$q = 1- p$

substituting values

$q = 1- 0.6$

$q =0.4$

Generally the mean is mathematically evaluated as

$\mu = np$

substituting values

$\mu = 18 * 0.6$

$\mu = 10.5$

The standard deviation is evaluated as

$\sigma = \sqrt{npq}$

substituting values

$\sigma = \sqrt{18 * 0.6 * 0.4}$

$\sigma = 2.08$

The variance is evaluated as

$var = \sigma^2$

substituting value

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4 years ago

Which statement about these triangles is true?

Komok [63]

the answer is D.

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3 years ago

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1. A new company wants to mail out samples of its hair products. The company has a sample box that is a rectangular prism with a

Goryan [66]

Answer:

Volume of rectangular prism = 175 / 6 inch³

Step-by-step explanation:

Given:

Base area of rectangular prism = 23 ¹/₃ inch² = 70 / 3 inch²

Height of rectangular prism = 1 ¹/₄ inch = 5 / 4 inch

Find:

Volume of rectangular prism

Computation:

Volume of rectangular prism = Base area of rectangular prism x Height of rectangular prism

Volume of rectangular prism = [70 / 3] x [5 / 4]

Volume of rectangular prism = [350 / 12]

Volume of rectangular prism = 175 / 6 inch³

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3 years ago

How do you calculate the area of triangle DEF?

cricket20 [7]

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3 years ago

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