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ryzh [129]
3 years ago
9

Please measure this. Homework is due soon

Mathematics
2 answers:
pychu [463]3 years ago
5 0

Answer: 6 inches

Step-by-step explanation:

swat323 years ago
3 0
6 inches! Hope this helps !! Brainlist me!!!
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Anna bicycled 2.75 miles in 0.3 of an hour. How far would she travel in one hour?
marshall27 [118]

Answer:

0.825 Miles

Step-by-step explanation:

2.75m x 0.3 = 0.825

4 0
3 years ago
0.6c+2.5=3.22 solve for c
Gemiola [76]
The answer to 0.6c+2.5=3.22 solving for C Answer:
c=1.2
8 0
2 years ago
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What is 5 2/5 multiplied by 2 as a mixed number or fraction
erica [24]

Answer:

54/5

Step-by-step explanation:

So 5 2/5 is 27/5 . So 54/5

5 0
3 years ago
In a sample of 230 teenagers, 202 would like to have smaller class sizes at their school. Find the sample
marishachu [46]

Answer:

The sample proportion is 0.88.

The margin of error is of 0.04.

The interval likely to contain the true population proportion is (0.84,0.92).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the z-score that has a p-value of 1 - \frac{\alpha}{2}.

Margin of error:

The margin of error is of:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

Sample of 230 teenagers, 202 would like to have smaller class sizes at their school.

This means that n = 230, and that the sample proportion is:

\pi = \frac{202}{230} = 0.88

The sample proportion is 0.88.

Standard 95% confidence level

So \alpha = 0.05, z is the value of Z that has a p-value of 1 - \frac{0.05}{2} = 0.975, so Z = 1.96.

Margin of error:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

M = 1.96\sqrt{\frac{0.88*0.12}{230}}

M = 0.04

The margin of error is of 0.04.

Confidence interval:

Sample proportion plus/minus margin of error. So

0.88 - 0.04 = 0.84

0.88 + 0.04 = 0.92

The interval likely to contain the true population proportion is (0.84,0.92).

5 0
3 years ago
20 POINTS
NemiM [27]

Answer:

zero

Step-by-step explanation:

y value will be zero when we are looking for an x-intercept

6 0
3 years ago
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