3 years ago

Can somebody help me with this problem

1 answer:

8 0

The picture is too burry

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alekssr [168]

Answer:

I'm not sure, you posted this like a longggggg time ago so we're good. bye. hope i helped.

Step-by-step explanation:

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3 years ago

solmaris [256]

C. -2 because if you substitue the 2 in for x and then solve you get your answer

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3 years ago

GarryVolchara [31]

$\cos^{4} x-\sin^{4} x\\\\=(\cos^{2} x+\sin^{2} x)(\cos^{2} x-\sin^{2} x)\\\\=\cos^{2} x-\sin^{2} x\\\\=\cos^{2} x-(1-\cos^{2} x)\\\\=2\cos^{2} x-1$

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2 years ago

rusak2 [61]

Answer:

the answer is 2.25. hope this helps

Step-by-step explanation:

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4 years ago

yawa3891 [41]

Answer:Pool B is being filled quicker

Step-by-step explanation: It is being filled quicker because 4 is a bigger number than 3 so there is your answer

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4 years ago