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katrin [286]
3 years ago
5

Simplify the expression 2q^2 (9q^4) Plz help!

Mathematics
1 answer:
navik [9.2K]3 years ago
7 0
Put it in you cal it helps
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On paper, make a rectangle that has points A and B as two of its vertices and has a perimeter of 40 units. Draw and label the tw
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Answer:

A(x,y),B(x+10,y),C(x+10,y-10) \:and\: D(x,y-10)

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\left\{\begin{matrix}w+l=20 & \\ w*l=100 & \end{matrix}\right.\Rightarrow w=20-l\Rightarrow (20-l)l=100\Rightarrow -l^2+20l-100=0\Rightarrow l^2-20l+100\Rightarrow (l-10)(l-10)\Rightarrow l=10\therefore l=10\: and\: w=10

Therefore we can say:

A(x,y),B(x+10,y),C(x+10,y-10) \:and\: D(x,y-10)

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