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3 years ago

What is 2 times 5 times by 67 and then divided by 67 and then with and 8 times it agin?

Mathematics

2 answers:

vovikov84 [41]3 years ago

8 0

Answer:80

Step-by-step explanation:2 times 5 is 10. 10 times 67 is 670. 670 divided by 67 is 10. 10 times 8 is 80x

Debora [2.8K]3 years ago

7 0

Answer:80

Step-by-step explanation:2•5•67=670

670/67=10

10•8=80

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Salaries of 49 college graduates who took a statistics course in college have a mean, x overbar, of $ 65 comma 300. Assuming a

Molodets [167]

Answer: $60,540< \mu$

Step-by-step explanation:

The confidence interval for population mean is given by :-

$\overline{x}-z^*\dfrac{\sigma}{\sqrt{n}}< \mu$

, where $\sigma$ = Population standard deviation.

n= sample size

$\overline{x}$ = Sample mean

z* = Critical z-value .

Given : $\sigma=\$17,000$

n= 49

$\overline{x}= \$65,300$

Two-tailed critical value for 95% confidence interval = $z^*=1.960$

Then, the 95% confidence interval would be :-

$65,300-(1.96)\dfrac{17000}{\sqrt{49}}< \mu$

$=65,300-(1.96)\dfrac{17000}{7}< \mu$

$=65,300-4760< \mu$

$=60,540< \mu$

Hence, the 95% confidence interval for estimating the population mean $(\mu)$ :

$60,540< \mu$

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3 years ago

4(cos⁶A-sin6A) = cos³2A+3cos2A

PIT_PIT [208]

Answer:

On Paper

Step-by-step explanation:

On the Paper

I hope this helped!

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2 years ago

The slope of the line is -3. Use the coordinates of the labeled point to find the point-slope equation of the line.

nekit [7.7K]

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