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2 years ago

Please help...I can't really wrap my brain around this...

Mathematics

1 answer:

Mashcka [7]2 years ago

5 0

$\frac{ { (- 3)}^{6} }{ {( - 3)}^{4} }$
$= ( - 3)^{(6 - 4)}$
=(-3)^2
=9

hope I can help u

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(PLEASE HELP FAST!!!) Which expression gives the area of triangle QRS?

Andre45 [30]

The expression which gives the area of triangle QRS is $\frac{1}{2} (9)(15)sin(20^{o} )$ .

We need to find the area of triangle QRS.

<h3>How do I find the area of a triangle using trigonometry?</h3>

The area of a triangle can be expressed using the lengths of two sides and the sine of the included angle. Area of Δ = ½ ab sin C.

Now, the area of the triangle QRS $=\frac{1}{2} (9)(15)sin(20^{o} )$

Therefore, the expression which gives the area of triangle QRS is $\frac{1}{2} (9)(15)sin(20^{o} )$ .

To learn more about the area of a triangle using trigonometric ratios visit:

brainly.com/question/18659560.

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