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professor190 [17]
2 years ago
12

He Sun bought 3 skirts for s dollars each and a jacket that costs 5 times as much as each skirt. She spent a total of $280. How

much did the jacket cost? 1
Mathematics
1 answer:
OLEGan [10]2 years ago
3 0
The jacket cost 175 dollars.
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Please help explanation if possible
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Answer:

  y -4 = -2(x -(-11))

Step-by-step explanation:

The point slope formula is ...

  y -k = m(x -h) . . . . . line with slope m through point (h, k)

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So, the boxes in order from left to right are k, m, h.

The problem statement tells you the point is (-11, 4), so h = -11, k = 4. It also tells you the slope is -2, so m = -2.

Putting these numbers in the required order, we have k = 4, m = -2, h = -11 and the equation of the line is ...

  y-\boxed{4}=\boxed{-2}(x-\boxed{-11})

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2 years ago
Solve x2+6x=7 by completing the square.Which is the solution set of the equation?
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x = - 7, x = 1

Step-by-step explanation:

Given

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add ( half the coefficient of the x- term )² to both sides

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Solution set = { - 7, 1 }

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Step-by-step explanation:

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