3 years ago

Complete factor of 12m+60

1 answer:

6 0

You can factor a 12 out from both. 12 goes into 12m 12 times and 12 goes into 60 5 times. So you would pull it out front:

12(m+5)

That's as far as you can take it. Do you have to set it equal to 0, or some other number??

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Lera25 [3.4K]

Answer:

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3 years ago

A group of statistics students decided to conduct a survey at their university to find the average (mean) amount of time student

Butoxors [25]

Answer: $(21.541,\ 23.059)$

Step-by-step explanation:

The confidence interval for population mean is given by :-

$\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}$

Given : Sample size : $n=240$ , which is a large sample , so we apply z-test .

Sample mean : $\overline{x}=22.3$

Standard deviation : $\sigma= 6$

Significance level : $\alpha=1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.960$

Now, a confidence interval at the 95% level of confidence will be :-

$22.3\pm(1.960)\dfrac{6}{\sqrt{240}}\\\\\approx22.3\pm0.759\\\\=(22.3-0.759,\ 22.3+0.759)\\\\=(21.541,\ 23.059)$

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3 years ago

Finish the pattern 18, 21, _ , 24, _ , 30

omeli [17]

Goes +3
18, 21, 24, 27, 30

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3 years ago

Read 2 more answers

20 points! Please help! Which graph represents the function?

Arte-miy333 [17]

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4 years ago

A rectangular park is 150 yards on one side and 125 yards on the other.If someone wanted to walk 1,000,000 yards, how many times

tankabanditka [31]

The perimeter of the park is (125+150)*2=550 yards. Then, to walk a million years, you would need to walk 1000000/550=1818.18 perimeters. Since we're looking for the amount of times we have to walk around the park fully to hit 1,000,000 yards, though, we must round up (even though normally with a decimal of .18 we'd round down) to 1819 times.

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