3 years ago

Helppppp me!!!

Mathematics

1 answer:

asambeis [7]3 years ago

6 0

Answer:

The range for this function is the set (-5)

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3 years ago

The class sizes of elementary school classes in a public school district are normally distributed with an unknown population mea

weqwewe [10]

Answer: $(17.14,\ 22.86)$

Step-by-step explanation:

The confidence interval estimate for the population mean is given by :-

$\overline{x}\pm ME$ , where $\overline{x}$ is the sample mean and ME is the margin of error.

Given : Sample mean: $\overline{x}=20$

The margin of error for a 98% confidence interval estimate for the population mean using the Student's t-distribution : $ME=2.86$

Now, the confidence interval estimate for the population mean will be :-

$20\pm2.86=(20-2.86,\ 20+2.86)=(17.14,\ 22.86)$

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3 years ago

Suppose the circumference of a circle is 4, pi. What is its diameter?

Vilka [71]

Your answer would be 4, because the equation for the circumference of a circle is π × diameter, so if you have 4 × π as the circumference, then 4 is the diameter.

I hope this helps!

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3 years ago

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What is the greatest common factor for 25 and 77?

klemol [59]

The answer is 1
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Find the value of X <br> PLS HELP PLS

IceJOKER [234]

Answer:

x=59

Step-by-step explanation:

x+12+x+x-9=180

3x+3=180

-3 -3

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