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3 years ago

mark's computer weighs 35.769 pounds. what is the weight of his computer rounded to the nearest hundredth

2 answers:

5 0

First off, what is a hundredth? It is the second digit after the point. You can guess this because of the name "hundred" but it has an extra "th". So, assuming you know how to round (round down if under 5, round up if 5 and above). The answer would be 35.7 (because the .06 rounds up as it is next to the 9 (which is above 5).

Hope this helped.

stellarik [79]3 years ago

3 0

You have to count two places after the decimal and then if the number is 5 or higher then you round it up 35.77

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3 years ago

What's the hypothesis of a triangle ?

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3 years ago

A political candidate has asked you to conduct a poll to determine what percentage of people support him. If the candidate only

Nadusha1986 [10]

Answer:

The sample size required is, n = 502.

Step-by-step explanation:

The (1 - α)% confidence interval for population proportion is:

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

The margin of error is:

$MOE=z_{\alpha/2}\sqrt{\frac{\hat p\ \cdot (1-\hat p)}{n}}$

Assume that 50% of the people would support this political candidate.

The margin of error is, MOE = 0.05.

The critical value of z for 97.5% confidence level is:

z = 2.24

Compute the sample size as follows:

$MOE=z_{\alpha/2}\sqrt{\frac{\hat p\ \cdot (1-\hat p)}{n}}$

$n=[\frac{z_{\alpha/2}\times \sqrt{\hat p(1-\hat p)}}{MOE}]^{2}$

$=[\frac{2.24\times \sqrt{0.50(1-0.50)}}{0.05}]^{2}\\\\=501.76\\\\\approx 502$

Thus, the sample size required is, n = 502.

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3 years ago

a girl that is 5ft tall casts a shadow 4ft long. at the same time, a tree casts a shadow 24 ft long. how long is the tree?

taurus [48]

Answer:

25 Feet

Step-by-step explanation:

Im sorry if i am wrong, but it is 25 because the girl is 5 feet, and one feet less of a shadow. So it is obvious to me that the tree is 1 foot larger.

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2 years ago

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Answer:

c. -2a - 12

Step-by-step explanation:

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3 years ago

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