I really need help in 33 (the one in the red)

Mathematics

1 answer:

Luba_88 [7]3 years ago

4 0

Answer:

87 pounds!

Step-by-step explanation:

Given an Argentinian person consumes 145 pounds every year.

And an American consumes $\frac{3}{5}$ pounds as mush as an Argentinian.

This means that an American consumes $\frac{3}{5} \times 145 = 3 \times 29 = 87$ .

Therefore, an American consumes 87 pounds per year.

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Answer: A

Step-by-step explanation:

AB=AC

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3 years ago

Describe the steps you would use to factor 2x3 + 5x2 – 8x – 20 completely. Then state the factored form.

WARRIOR [948]

The polynomial $2x^3 + 5x^2-8x-20$ may have solutions which are the divisors of -20, therefore -20 has the following divisors: $\pm 1, \pm 2, \pm 4, \pm 5, \pm 10, \pm 20$ .
If x=1, then $2\cdot1^3 + 5\cdot1^2-8\cdot1-20=-20\neq 0$ ,
if x=-1, then $2\cdot(-1)^3 + 5\cdot(-1)^2-8\cdot(-1)-20=-9\neq 0$ ,
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If x=-2, then $2\cdot(-2)^3 + 5\cdot(-2)^2-8\cdot(-2)-20=0$ , then x=-2 is a solution, so you have the second factor (x+2).
Since x-2 and x+2 are two factors of $2x^3 + 5x^2-8x-20$ , then the polynomial $x^2-4$ is a divisor of $2x^3 + 5x^2-8x-20$ and dividing the polynomial $2x^3 + 5x^2-8x-20$ by $x^2-4$ you obtain
$2x^3 + 5x^2-8x-20=(x-2)(x+2)(2x+5)$ .

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3 years ago

Read 2 more answers

Deviance is best defined as

Licemer1 [7]

Answer:

I don't think devlance is a real word but maybe u r trying to sat deviance The answer might be B

Step-by-step explanation:

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