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dsp73
3 years ago
11

Re-write the expression in rational form.

Mathematics
1 answer:
Nuetrik [128]3 years ago
5 0

Given:

x^{\frac{5}{4}}=100

x=\sqrt[a]{100}^b

To find:

The values of a and b.

Solution:

We have,

x^{\frac{5}{4}}=100

It can be written as

x^{\frac{5}{4}\times \frac{4}{5}}=100^{\frac{4}{5}}

x^{1}=\left[100^{\frac{1}{5}}\right]^4       [\because a^{mn}=(a^m)^n]

x=\left[\sqrt[5]{100}\right]^4       [\because a^{\frac{1}{n}}=\sqrt[n]{a}]

x=\sqrt[5]{100}^4

On comparing this with x=\sqrt[a]{100}^b, we get

a=5

b=4

Therefore, the value of a is 5 and value of b is 4.

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The equation y=750x represents the number of dollars y Olivia earns in x weeks. Determine if there is a constant of variation. I
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Answer:

<h3>There is a constant of variation in the equation and it is 750. This means that the amount olivia earns increases by $750 every week.</h3>

Step-by-step explanation:

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comparing the general expression above with the equation in question,

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