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stiv31 [10]
3 years ago
11

Can’t figure out number 35 plz help This is science btw

Mathematics
1 answer:
Novay_Z [31]3 years ago
8 0

Answer:

it is valley

Step-by-step explanation:

it is a valley because the lower numbers in the middle suggest that it gets higher towards the outer layers which means that it goes down in the middle like a hole and a hole is like a valley. :) hope that makes sense

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Which number line shows the solution of 5x - 25 < -15?
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I think a. But I don’t understand this question.
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Ed needed to extend the string on his kite. The current string was seven and three fourths feet. He cut a piece of string that m
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The new length of the string will be 16  1/4 feet. Then the correct option is B.

<h3>What is the length?</h3>

It is the measure of distance between the two points and is known as length. The length is measured in meters generally.

Ed needed to extend the string on his kite. The current string was seven and three-fourths feet that is (7  3/4).

The mixed fraction number is coverted into a decimal number.

7  3/4 = 7.75 feet

He cut a piece of string that measured 8.5 feet and added it to the existing string.

Then the new length of the string will be

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The new length of the string will be 16  1/4 feet. Then the correct option is B.

More about the distance link is given below.

brainly.com/question/26711747

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4 0
2 years ago
A researcher surveyed 150 high school students and found that 68% played a musical insturment. What would be a reasonable range
maria [59]

Answer:

The reasonable range for the population mean is (61%, 75%).

Step-by-step explanation:

The interval estimate of a population parameter is an interval of values that consist of the values within which the true value of the parameter lies with a certain probability.

The mean of the sampling distribution of sample proportion is, \hat p.

One of the best interval estimate of population proportion is the 95% confidence interval for proportion,

CI=\hat p \pm z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}

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The critical value of <em>z</em> for 95% confidence level is:

z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96

Compute the 95% confidence interval for proportion as follows:

CI=\hat p \pm z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}

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Thus, the reasonable range for the population mean is (61%, 75%).

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How many ways are there to arrange 7 distinct red and 5 distinct blue balls in a row such that no two blue balls are next?
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Answer:

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Step-by-step explanation:

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