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Dima020 [189]
3 years ago
14

Simplify (x^8/64)^1/2 The answer is x^4/8 but can you please show me how to get the answer.

Mathematics
1 answer:
navik [9.2K]3 years ago
3 0

Answer:

Step-by-step explanation:

Whenever you have exponents raised to another exponent, you multiply the exponents!

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Step-by-step explanation:

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Solve for x, given the equation square root of x + 9 -4 = 1
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It is given that y varies inversely as x^2. If x is decreased by 50%, find the percentage change in y.
vova2212 [387]

Answer:

300%

Step-by-step explanation:

Given

y\ \alpha\ \frac{1}{x^2}

Required

Find the percentage change in y when x decreased by 50%

First, convert to equation

y\ = \ \frac{k}{x^2}

Where k is the constant of proportionality

When x decreased by 50%

Y = \frac{k}{(x - 0.5x)^2}

Y = \frac{k}{(0.5x)^2}

Y = \frac{k}{0.25x^2}

Expand

Y = \frac{1}{0.25} * \frac{k}{x^2}

Substitute \frac{k}{x^2} for y

Y = \frac{1}{0.25} * y

Y = 4 * y

Y = 4 y

The percentage change is then calculated as:

\%Change = \frac{Y - y}{y} * 100\%

\%Change = \frac{4y - y}{y} * 100\%

\%Change = \frac{3y}{y} * 100\%

\%Change = 3 * 100\%

\%Change = 300\%

<em>The percentage in y is 300%</em>

7 0
3 years ago
a polynomial function p(x) with rational coefficients has the given roots (10-square root of 6 and 4i). Find two additional root
Aleonysh [2.5K]

Answer:

6px

Step-by-step explanation:

hope this help

8 0
3 years ago
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