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Tasya [4]
3 years ago
11

Write the exponent for the expression. 1/9 x 1/9 x 1/9=? HELP FAST plz

Mathematics
1 answer:
spin [16.1K]3 years ago
6 0

Step-by-step explanation: To find the exponent, we look at the expression again and see how much of the same number or fraction is repeated. Since the main number is 1/9 and there are 3 fractions repeating it, the exponent is \frac{1}{9} ^3 or 1/9 to the 3rd power.

<em>Down is a formula I made!</em>

Main number: 1/9

Repeating how many times: 3

Expression: \frac{1}{9} ^3

Therefore, 1/9 to the 3rd power is 1/729.

\frac{1}{9}^3=\frac{1}{729}

<em>Note: The questioner did not ask for the answer. I wanted to add it anyway for future reasons.</em>

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4 years ago
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Molodets [167]
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5 0
3 years ago
Suppose that y varies directly as the square root of x, and that y=21 when x=361. What is y when x=247? (Round off your answer t
igomit [66]

Answer:

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Step-by-step explanation:

y varies inversely as the square root of x

Mathematically:

y = k.root x

We first find k here

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k = y/root.x

k = 21/root. 361

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From y = k.root x

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8 0
3 years ago
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swat32
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5 0
3 years ago
How do you find the general solution for cos2A=cos^2A
eduard

Answer:

A =  0 +/- nπ radians ,  where n is an integer.

Step-by-step explanation:

cos 2A =  cos^2 A

Use the identity cos 2A = 2 cos^2 A -1  :

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When cos A = 1,  A = 0 +/- 2nπ radians.

when cos A = -1, A = π +/- nπ radians.

6 0
3 years ago
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