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3 years ago

True or False. The Centroid of a triangle is the point where the angle bisectors of the triangle intersect.

Mathematics

1 answer:

mars1129 [50]3 years ago

6 0

Answer:

True, I'm hoping.

If it's wrong then sorry.

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What he the value of n?<br> 3n+16=7n

Vlad [161]

Answer:

The answer is 4

Step-by-step explanation:

3n+16=7n

collect like terms

-4n=-16

divide by -4

n=4

5 0

3 years ago

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Consider estimating a population proportion p. What is the most conservative sample size (erring on the large size) required in

just olya [345]

Answer:

The most conservative sample size is 2401.

Step-by-step explanation:

We are given the following in the question:

We are not given any approximation of s]ample proportion, thus,

$\hat{p} = 0.5$

We have to construct a 95% confidence interval.

Margin of error = 2% = 0.02

Formula for margin of error =

$z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.05} = 1.96$

Putting values, we get,

$0.02 = 1.96\times \sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}\\\\0.02 = 1.96\times \sqrt{\dfrac{0.5(1-0.5)}{n}}\\\\\sqrt{n} = 1.96\times \dfrac{\sqrt{0.5(1-0.5)}}{0.02}\\\\\sqrt{n}=49\\n = 2401$

Thus, the most conservative sample size is 2401.

3 0

3 years ago

Solve 3kx + 24 = 9kx for x.

Charra [1.4K]

24 = 6kx

4 = kx

4/k = x

7 0

3 years ago

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Without graphing, decide whether the following system of linear

zhuklara [117]

There is no solution

6 0

3 years ago

What does |-71 equal?

erastovalidia [21]

Answer:

71 (or 7.... read explanation)

Step-by-step explanation:

If you mean | -71 | then it's 71.

If you mean | -7 | then it's 7

Absolute values turn negative numbers into positive numbers.

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3 years ago

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True or False. The Centroid of a triangle is the point where the angle bisectors of the triangle intersect.​

True or False. The Centroid of a triangle is the point where the angle bisectors of the triangle intersect.