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Serhud [2]
3 years ago
9

Please help i will mark brainlyest simplify. -(3xy^4)^-4 A.-81x^4y^16 B-81/x^4y^16 C-1/81x^4y^16 D-1/32x^3

Mathematics
2 answers:
Cerrena [4.2K]3 years ago
6 0
Can you add space bars?I really cant work it out without space bars.
Daniel [21]3 years ago
4 0
<span>-(3xy^4)^-4 = - 1/(81x^4y^16) the answer is C</span>
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ZanzabumX [31]

Answer:

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You have to know Pythagorean theorem to solve this question.

a^2 + b^2 = c^2

To use this theorem you have to have a right triangle. There are two right triangles in your image. The lower (larger) one has two sides labeled, so you can use Pythagorean thm to find the third side. There's a short cut, bc some right triangles have easy-to-memorize lengths of the sides. 3-4-5 is one of these number sets. A multiple of this is 6-8-10. We could've solved:

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But it would've come out the same. The unlabeled side is 6.

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