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I am Lyosha [343]
3 years ago
5

If y represents a number then write an expression for -2 times the sum of y and seven

Mathematics
1 answer:
Brilliant_brown [7]3 years ago
8 0

Answer:

-2 * ( y + 7 ) = -2y - 14

Step-by-step explanation:

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I, II, and IV

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Alecsey [184]

Answer:

2 m

Step-by-step explanation:

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A = 7m^2, b1 = 3 m and b2 = 4 m.  What's missing is the width of the trapezoid.

First we write out the formula for the area of a trapezoid:

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A = --------------- * w, where w represents the width of the figure.

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We need to solve this for the width, w.  Multiplying both sides of the above equation by

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

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results in

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w = ------------------ = ---------------- = 2 m

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4 0
3 years ago
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Step-by-step explanation:

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