If line M is parallel to line N, which angle is supplementary with 1?

Mathematics

2 answers:

stira [4]3 years ago

5 0

Answer:

https://app.edmentum.com/assessments-delivery/testingImages//geometry/945789030-35047.gif

Step-by-step explanation:

gayaneshka [121]3 years ago

4 0

Can you upload a picture lol ???

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How many cups are in 3 pt?<br> Please show work!!!!

ipn [44]

This is a simple application of english system conversions. I'm afraid that's all there is to it, you're just going to have to commit these to memory.

That said, I shall walk you through the problem. This one is fairly easy.

We know that in one pint there are two cups. As such, in two pints there are four cups, and in three pints there are six cups.

Therefore, there are <u>6 cups in 3 pints</u>.

Hope this helps :)

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dezoksy [38]

Answer:

Step-by-step explanation:

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83 random samples were selected from a normally distributed population and were found to have a mean of 32.1 and a standard devi

arlik [135]

Answer:

$\frac{(82)(2.4)^2}{104.139} \leq \sigma^2 \leq \frac{(82)(2.4)^2}{62.132}$

$4.525 \leq \sigma^2 \leq 7.602$

Now we just take square root on both sides of the interval and we got:

$2.127 \leq \sigma \leq 2.757$

Step-by-step explanation:

Information given

$\bar X=32.1$ represent the sample mean

$\mu$ population mean (variable of interest)

s=2.4 represent the sample standard deviation

n=83 represent the sample size

Confidence interval

The confidence interval for the population variance is given by the following formula:

$\frac{(n-1)s^2}{\chi^2_{\alpha/2}} \leq \sigma^2 \leq \frac{(n-1)s^2}{\chi^2_{1-\alpha/2}}$

The degrees of freedom given by:

$df=n-1=8-1=7$

The confidence level is 0.90 or 90%, the value of $\alpha=0.1$ and $\alpha/2 =0.05$ , and we can use excel, a calculator or a table to find the critical values.