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3 years ago

10

Which of these statements describes a parallelogram? A. a regular quadrilateral B. a regular polygon C. a quadrilateral with one

pair of parallel sides D. a quadrilateral with two pairs of parallel sides

2 answers:

tiny-mole [99]3 years ago

7 0

Answer:

D. a quadrilateral with two pairs of parallel sides

Maslowich3 years ago

4 0

The answer is D. a quadrilateral with one pair of parallel sides

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Simplify 2x^2+6x-7x+8-3x^2+1

Doss [256]

$(((((2*(x^2))+6x)-7x)+8)-3x^2)+1 \\ \\ ((((2x^2 + 6x) - 7x) + 8) - 3x^2) + 1 \\ \\ we \ would \ then \ (pull \ out) \ like \ terms. \\ \\ -x^2 - x + 9 = -1 * (x^2 + x - 9) \\ \\ \left[\begin{array}{ccc} -9 + 1 = -8 \\
 -3 + 3 = 0 \\
 -1 + 9 = 8 \\
\end{array}\right] \\ \\ Your \ answer: \boxed{\boxed{\bf{ -x^2 - x + 9
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I hope this helps you!

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sesenic [268]

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Step-by-step explanation:

Area of traingle:1/2

50=1/2.10.x

50=5x

50/5=5x/5

50/5=5x/5

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