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ANTONII [103]
3 years ago
12

Multiply (x^2+3x-4)(x+5)

Mathematics
1 answer:
Lapatulllka [165]3 years ago
8 0

Answer:  x^3 + 8x^2 + 11x - 20

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Step-by-step explanation:

Given the height reached by a dolphin expressed by the equation is h = -16t^2 + 80t. At maximum height, the velocity is zero, hence;

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t = 80/32

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4 years ago
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56.44 degrees

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