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Temka [501]
3 years ago
7

What is the answer? ???????

Mathematics
1 answer:
galina1969 [7]3 years ago
8 0
Cross multiply:

30n = 2400.  Then n = 80.
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Convert 5 miles to meters round to the nearest meter
m_a_m_a [10]

Answer:

8047

Step-by-step explanation:

Five miles is equivalent to 8046.72

5 miles = 8046.72

Look at the decimal number and notice that its closer to 100 than 0

So 8046.72 is rounded to 8047

Hope this helps <3

5 0
3 years ago
Suppose a large population has a mean μand standard deviation σ, and a simple randomsample of size nis taken. The sampling distr
My name is Ann [436]

Answer:

(d) μ and σ²/n

Step-by-step explanation:

In a sampling distribution of sample means, the mean is equal to the population mean, which is μ.

The standard deviation of the sampling distribution of sample means is given by

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The variance of a distribution is the square of the standard deviation; this means the variance of the sampling distribution of sample means would be

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3 years ago
Please I need help in finding the diameter
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Answer:

im pretty sure its 152, im sorry if im wrong, i took 180 and subtracted 180 - 16 - 12 and got that soooo

Step-by-step explanation:

5 0
2 years ago
I NEED HELP PLEASE, THANKS! :)
tekilochka [14]

Answer:

108.43°

Step-by-step explanation:

I graphed this expression on the graph below and found the direction angle of 108.43°.

8 0
3 years ago
Calculate the slope of the line that passes through (12,15) and (10, 21). Reduce answer to lowest terms if
gulaghasi [49]

Answer:

-3

Step-by-step explanation:

Slope is rise divided by run. Y2-Y1 Divided by X2-X1

You get 6 divided by -2

-3

3 0
2 years ago
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