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anyanavicka [17]
3 years ago
11

The variable Z is directly proportional to X. When X is 6, Z has the value 18. What is the value of Z when X=10

Mathematics
1 answer:
const2013 [10]3 years ago
7 0
Make a proportion
6/18 = 10/z
Cross multiply
180 = 6z
180/6 = z
Z = 30
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Jlenok [28]
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3 years ago
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mr_godi [17]
What you put is correct because two negatives make a positive so it would be 5 + 7 making it the greatest value
6 0
3 years ago
Target is having a sale. All make-up is 30% off. Alissa spends $45 on make-up. How much will Alissa save?
baherus [9]

Answer:

$13.50

Step-by-step explanation:

Alissa will save $13.50 from the sale.

7 0
3 years ago
Write the equation in the form Ax + By = C. Find an equation of a line passing through the pair of points (-7,3) and (-8,-9).
Illusion [34]

Answer:

  12x -y = -87

Step-by-step explanation:

You can start with the 2-point form of the equation of a line and manipulate it to give you the standard form.

  y = (y2 -y1)/(x2 -x1)(x -x1) +y1

  y = (-9 -3)/(-8 -(-7))(x -(-7)) +3

  y = (-12/-1)(x +7) +3

  y = 12x +84 +3

  -12x +y = 87 . . . . . subtract the x-term

  12x -y = -87 . . . . . . make the leading coefficient positive (per standard form)

3 0
3 years ago
Jim is putting money into a savings account. He starts with $350 in the savings account, and each week he adds $60.
lukranit [14]

Answer:

S= 350+60w

Step-by-step explanation:

4 0
3 years ago
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