3 years ago

In 2008 the population of 10 to 14 year old in the United States was 20482163write this number in expanded form

Mathematics

1 answer:

bekas [8.4K]3 years ago

4 0

Answer:

its A

Step-by-step explanation:

on edg

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The area of the triangle is eqaula to the sqare show that x²-3x-2=0

agasfer [191]

Answer:

Step-by-step explanation:

Area of square = area of triangle

$side*side = \dfrac{1}{2}b*h\\\\\\x*x=\dfrac{1}{2}*(x+1)(x+2)\\x^{2}=\dfrac{1}{2}[x*x +x*2+1*x+1*2]\\\\\\x^{2}=\dfrac{1}{2}[x^{2}+2x+x+2]\\\\\\x^{2}=\dfrac{1}{2}[x^{2}+3x+2]\\\\\\Multiply \ both \ sides \ by \ 2\\\\2x^{2}=x^{2}+3x+2\\\\2x^{2}-x^{2}-3x-2 = 0$

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3 years ago

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Step-by-step explanation:

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------------- ------------

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Step-by-step explanation:

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