2 years ago

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Mathematics

1 answer:

lions [1.4K]2 years ago

4 0

Answer:

ok i see it

Step-by-step explanation:

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Find the new price for the markup given. Round to the nearest cent if necessary.

Sliva [168]

100% = 4.00
87% = 3.48

187 = 7.48

answer = $7.48

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3 years ago

29<br> 6. Calculate the hourly rate of a person who works 40<br> hours for a wage of $387.20.

Vikentia [17]

Answer:

$ 9.68

Step-by-step explanation:

a person who earns $387.20. in 40 earns will earn $9.68 in one hour

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3 years ago

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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 $(\mu)$ :

$60,540< \mu$

7 0

2 years ago

You know that the sum of -5 and another integer is a positive integer. What can you conclude about the sign sign of the other in

kirill115 [55]

I can conclude that the sign of the other integer is positive and that the other integer is 6 or greater.

I tried explaining it, but failed miserably. I'm so sorry! :(

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3 years ago

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Which is the correct input-output table for the function ?

alekssr [168]

Do you have any options?

3 0

2 years ago

See attached picture ​

See attached picture