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Nutka1998 [239]

3 years ago

12

A cereal company found that 9% of its boxes of cereal weighed less than the weight advertised on the box. If 2200 boxes of cerea

l were sold, how many would be expected to weigh less than the advertised weight?

1 answer:

tangare [24]3 years ago

5 0

It is 198 i hope i helped

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Answer:

Yes.

Step-by-step explanation:

Though x and y can be achieved in a system of equations. The equation

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See Explanation

Step-by-step explanation:

$cos (90-A).sinA + sin(90 - A).cosA = 1 \\ \\ LHS = cos (90-A).sinA + sin(90 - A).cosA \\ \\ = sinA.sinA + cosA.cosA\\ \\ = sin ^{2} A + cos^{2} A \\ \\ = 1 \\ \\=RHS\\\\ reason \\ cos (90- \theta) = sin \theta \\ sin (90- \theta) = cos \theta \\ sin ^{2} \theta + cos^{2} \theta = 1 \\ \\ thus \: proved \\$

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Step-by-step explanation:

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