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slega [8]
3 years ago
12

Solve for x: −4|x + 5| = −16

Mathematics
1 answer:
katrin2010 [14]3 years ago
4 0
X1= -9, x2 = -1. sooo the third one
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The numbers of blue, red, green and black pencils are proportional to the numbers 2, 3, 5, and 7, respectively. If we add the nu
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Answer:

  20 green pencils

Step-by-step explanation:

The difference between black and green "ratio units" is 7 -5 = 2. The difference between red and blue ratio units is 3 -2 = 1. The sum of those differences is 2 +1 = 3 ratio units, which represent 12 pencils. Then each ratio unit represents 12/3 = 4 pencils.

The 5 ratio units of green pencils represent 5·4 pencils = 20 green pencils.

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If you need an equation, you can use k as the constant of proportionality. Then the sum of differences described is ...

  (7k -5k) + (3k -2k) = 12

  3k = 12 . . . . simplify

  k = 4 . . . . . . divide by 3

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3 years ago
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Community property of addition because -6 + 6 would equal zero

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2 years ago
a rectangular prism has a length of 2 3/4 feet, a width of 4 1/2 feet, and a height of 6 inches. what is the volume of the prism
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10692 cubic inches

Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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