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WINSTONCH [101]
2 years ago
6

Simplify the expression -2x(x+3) A: -x -6 B: -x + 6 C: -2x + 6 D: -2x - 6​

Mathematics
1 answer:
Leni [432]2 years ago
3 0

Answer:

D

Step-by-step explanation:

-2x(x+3)

-2x-6

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Answer:

Mean age = 1271.27

Step-by-step explanation:

No of children = 77

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2 years ago
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Answer: We know:

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So side A1 + side A2 + side A3 = side B1 + side B2 +  side B3 + side B4.

A1 + A2 + A3 = B1 + B2 + B3 + 15(the extra length on the triangle sides)

Since B is a square, B = 15 m by 15 m.

I don't know enough about triangle to put the dementions, but it's an equilateral triangle so the sides are 20 m each.  Hope that helps! :)

3 0
2 years ago
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