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3 years ago

I jogged for 3 2/5 miles in 7/8 hours what average speed in miles per 1 hour

1 answer:

4 0

$formula\ for\ average\ speed:\\
speed=\frac{distance}{time}\\\\ \frac{3\frac{2}{5}}{\frac{7}{8}}\frac{miles}{hours}=\frac{17}{5}*\frac{8}{7}=\frac{17*8}{5*7}=\\\\
\frac{136}{35}=27,2\frac{miles}{hour}\\\\
\boxed{Solution\ is\ v=27,2\frac{miles}{hour}}$

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According to the national institute of allergy and infectious diseases about 3.7% of american adults have a food allergy. A larg

bixtya [17]

Answer:

The mean of x is close to 14.8.

The standard deviation of x is close to 3.78.

Step-by-step explanation:

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and each trial can only have two outcomes, with probabilities $\pi$ and $1 - \pi$ .

For an experiment with n repeated trials and a probability of success $\pi$ , we have that:

The mean is: $\mu_{x} = n*\pi$

The standard deviation is: $\sigma_{x} = \sqrt{n*\pi*(1-\pi)}$

In this problem

There are 400 employees, each with a probability of 3.7% of having food allergy. So $n = 400, \pi = 0.037$ . So:

$\mu_{x} = n*\pi = 400*(0.037) = 14.8$

The mean of x is close to 14.8.

$\sigma_{x} = \sqrt{n*\pi*(1-\pi)} = \sqrt{400*(0.037)*(1-0.037)} = 3.78$

The standard deviation of x is close to 3.78.

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3 years ago

A right rectangular prism is shown. The base rectangle has side lengths of 10 centimeters and 3 centimeters. The height of the p

Fiesta28 [93]

B 21 cm2 is the answer good luck

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3 years ago

Read 2 more answers

What is the standard value of 110 units

Alexeev081 [22]

Answer:

Hundreds.

Step-by-step explanation:

There are 3 digits. And the decimal is after the value of 110.

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2 years ago

Kira needs 3,000 milligrams of zinc for a science experiment. Which expression can be used to determine how many grams of zinc s

harina [27]

Answer: 3,000 divided by a thousand

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3 years ago

S=3.2yd<br> A=square <br><br> Find the area

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since a square must be the same length on all sides to be a correct square, you can legit just multiply the length of one side times four to get the area.

3.2 x 4 = 12.6

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2 years ago