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2 years ago

5. What is the average of these numbers? Round to nearest tenth. 10, 28, 8, 16, and 22

1 answer:

8 0

The average between all the numbers is 17, the decimal is 16.8 but rounding up its 17, add all of the totals and then divide by the amount of number, so the number of numbers is 5, divided by 84 , makes 17

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Which equation represents the relationship 3 less than a number is -6

Phantasy [73]

X-3=-6
if you take away 3 from a number, you will get -6
x=-3

5 0

2 years ago

Assume a normal distribution and that the average phone call in a certain town lasted 4 min, with a standard deviation of 1 min.

olya-2409 [2.1K]

SOLUTION

The mean is 4min

standard deviation is 1min

the z score is

$z=\frac{x-\bar{x}}{\sigma}$

where

$\begin{gathered} x=3 \\ \bar{x}=4 \\ \sigma=1 \end{gathered}$

then we have

$\begin{gathered} z=\frac{3-4}{1}=\frac{-1}{1}=-1 \\ z=-1 \end{gathered}$

The probability the call lasted less than 3 min will be

Therefore, the probability that (z < -1 ) is

[tex]\begin{gathered} Pr(z<-1)=Pr(0Hence, the percentage of the calls that lasted less than 3 min is 16%

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1 year ago

If Adam and Eve were white then how are black people made, from brown cows? Not trying to be racist UwU

Free_Kalibri [48]

Answer:

If you want me to be honest with you, I will be. The reason black people got their skin color is really because someone was born with a lot of melanin, and what caused that was basically the region and climate the people are living in. People in Africa are most likely to be darker than those who live in Northern Europe.

Step-by-step explanation:

5 0

2 years ago

In the given triangle ABC, find DE. answers: 20 5 10 2.5

adell [148]

Answer:

Step-by-step explanation:

Let's call the length AD y.

$\dfrac{x+2}{y}=\dfrac{8x-14}{2y} \\\\\\2(x+2)=8x-14 \\\\\\2x+4=8x-14 \\\\\\4=6x-14 \\\\\\6x=18 \\\\\\x=3 \\\\\\DE=x+2=3+2=5$

Hope this helps!

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2 years ago

What is the solution to the inequality f + 4 < 2?

Alex_Xolod [135]

Answer: f=-2

Step-by-step explanation:

math

5 0

2 years ago

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5. What is the average of these numbers? Round to nearest tenth. 10, 28, 8, 16, and 22​

5. What is the average of these numbers? Round to nearest tenth. 10, 28, 8, 16, and 22