2 years ago

How do you do answer these math question I got confused

1 answer:

4 0

The first one I THINK is 21 and the second one I THINK is 20. I'm not sure though sorry if I'm wrong

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vfiekz [6]

Answer:

subtract 6 from both sides.

-5c = -10

then divide both sides by -5 (negative divided by a negative is a positive)

c = 2

Step-by-step explanation:

8 0

3 years ago

sweet [91]

Answer:

(y + z)(y + 4z)

Step-by-step explanation:

${y}^{2} + 5zy + 4 {z}^{2} \\ = {y}^{2} + zy + 4zy + 4 {z}^{2} \\ = y(y + z) + 4z(y + z) \\ = (y + z)(y + 4z)$

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3 years ago

9966 [12]

Answer:

2.326

Step-by-step explanation:

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2 years ago

Vladimir79 [104]

I think its 80 m3 or either 18 m3

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2 years ago

Tanzania [10]

Answer:

it's8

Step-by-step explanation:

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2 years ago