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natita [175]
2 years ago
15

Hi, I need some help with the last question of the first problem and the answer to the second page.

Mathematics
1 answer:
bulgar [2K]2 years ago
6 0

Answer:

46.9 for the first one

Step-by-step explanation:

So sorry if i'm wrong <3

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Answer:

  (2/3)(e^t +1)^(3/2)

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The length of a rectangle is 5 more than twice the width. If the perimeter of the
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Answer:

The dimensions of the rectangle are two unknowns: The length "l" and the width "w"

The perimeter of a rectangle is found as P = 2*l + 2*w

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We can use substitution to replace the "l" in the first equation with 2*w + 5

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Divide both sides by 6

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Now that we know the width, we can find the length by substituting 4 for "w" in the second equation.

l = 2*4 + 5

l = 8 + 5

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The dimensions of the rectangle is 13cm x 4cm

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