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WARRIOR [948]
3 years ago
13

Which ordered pair is a solution of the equation? equation (-4x+7=2y-3)

Mathematics
2 answers:
Otrada [13]3 years ago
6 0
I agree it’s options c
Greeley [361]3 years ago
4 0

Answer:

Its Option C.

Step-by-step explanation:

-4x + 7 = 2y - 3

Substitute the given values in the  given equation:-

(2,1):-    -4(2) + 7 = -1  and 2(1) - 3 = -1  so (2,1) is a solution.

(5, -5):-  -4(5) + 7 = -13 and 2(-5) - 3 = -13  so (5, -5) is also a solution.

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Then we can use the Law of sines,

sin(70)/13=sin(20)/y

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y=15.34

Finally, we use the Pythagorean Theorem, (13)^2+(15.34)^2=x^2

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<em>Additional comment</em>

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