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maw [93]
3 years ago
10

Explain why the square root of a number is defined to be equal to that number to the 1/2 power.

Mathematics
2 answers:
maria [59]3 years ago
8 0
This is essentially a rule in the unit of radicals, where n✔️X^m = X^m/n. If the value of m is equal to n, as in 2✔️3^2 it would simply be 3^2/2 which is nothing but 3^1 = 3. Basically, the m value can be greater than n and or less than n, but if it is equal the m and n values cancel out.
murzikaleks [220]3 years ago
5 0

Squaring and square root are inverses, so one should "undo" the other. That is, squaring the square root of a number results in the number. Using the power of a power rule, you multiply the exponents. Since a number to the first power is itself, the product of the exponents must equal 1. This means that the power of the square root must be the reciprocal of 2, or one half.

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Step-by-step explanation:

First thing you want to do is find the length of the missing side where the the right angle is at. You can find that with the pythagorean theorem of the other triangle, since you are already given 2 sides.

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4 0
3 years ago
Point B is at (4,-16).Where is B prime after a dilation with a scale factor of 3/4
torisob [31]
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Sveta_85 [38]
Answer
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Step by step explanation
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