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castortr0y [4]
3 years ago
7

2. A rectangle has a width, w and a length that is 3 more than 2 times longer than the width.

Mathematics
1 answer:
nika2105 [10]3 years ago
7 0

Answer:

2w+2(3+2w)=P, w*(3+2w)=A

Step-by-step explanation:

if w is 2, then P=4+14, and A=2*7.

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Answer:

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Step-by-step explanation:

Formula for midpoint is (\frac{x_{1} + x_{2} }{2} ,\frac{y_{1} + y_{2}  }{2} )

So, let (x_{2} , y_{2} ) be the coordinates of the endpoint you are looking for.

x_{1} = -9  and y_{1}  = 7

(\frac{-9 + x_{2} }{2} , \frac{7 + y_{2} }{2} ) = (10, -3)

\frac{-9 + x_{2} }{2}  = 10           \frac{7 + y_{2} }{2}  = -3

-9 + x_{2} = 20         7 + y_{2}  = -6

x_{2}  =  29                    y_{2}  = -13

endpoint is (29, -13)

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valentina_108 [34]
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4 0
2 years ago
Let f(x) = x2- 3x - 7. Find f(-3)
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Explanation:
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