2 years ago

What is 15% of 60 AMOUNT BASE AND PERCENTAGE

Mathematics

1 answer:

Neko [114]2 years ago

3 0

Answer:

The 15% of 60 is 9 with amount base and percentage

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Irrational number between 2/7 and 3/7

e-lub [12.9K]

Answer: pi/8

Step-by-step explanation:

adding or multiplying an irrational by a rational will result in another irrational. So we could take something like pi and divide it until it’s between 2/7 and 3/7. I did that and apparently pi/8 works, so boom

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PLEASE HELP ME I NEED THE ANSWER I WILL MARK YOU AS BRAINLIEST

mars1129 [50]

Answer:

15%

Step-by-step explanation:

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2 years ago

^^ question above! Thanks!

Aleksandr [31]

You can cross multiply and the answer would be 100/9
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100=9k
k=100/9

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3 years ago

Dr. Ashby is studying the heart rate of adult men. Preliminary data suggests that the standard deviation of heart rates for adul

jok3333 [9.3K]

Answer:

n=42 adult men

Step-by-step explanation:

-The minimum sample size to get a desired margin of error, E is calculated using the formula:

$n\geq( \frac{z\sigma}{E})^2$

-Given that $\sigma=7.5, \ \ E=3\ , \ z_{0.005}=2.58$ , we can substitute to solve for n in the above formula:

$n\geq (\frac{z\sigma}{E})^2\\\\\therefore n=(\frac{z_{\alpha/2}\sigma}{E})^2\\\\=(\frac{2.58\times7.5}{3})^2\\\\=41.6025\approx42$

Hence, the desired minimum sample size, n is 42 adult men.

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3 years ago

What is the length of PR?

GuDViN [60]

Answer:

you have to provide a picture or something as well

Step-by-step explanation:

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3 years ago