3 years ago

Geometric mean of 9 and 30

1 answer:

galina1969 [7]3 years ago

4 0

It's pretty simple to find the answer. To find the geometric mean of two numbers you have to multiply them and then calculate the square root of the resulting product. So the answer is 16.43

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Solve for u. 20 − (u · 0.9) = 4.7

alina1380 [7]

Answer:

20 - 0.9u = 4.7

-0.9u = 4.7 - 20

-0.9u = -15.3

Divide both sides by - 0.9

u = 17

Hope this helps.

3 0

3 years ago

Pls help me figure this out

hodyreva [135]

Answer:

C. $\frac{27}{225}=\frac{b}{100}$

Step-by-step explanation:

To find the number of black ribbons one would have subtract the amount of red ribbons from the total number of ribbons. Then one would have to express it as a proportion. Part over whole equals percent over 100. The number of black ribbons over total ribbons equals "b" over 100.

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3 years ago

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damaskus [11]

Answer:

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and the number line should have a closed point on 15,000 with the line pointing to the right

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3 years ago

(17+8)-6x2 what is the value

zlopas [31]