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Tcecarenko [31]
3 years ago
11

The equation 1.5r+15=2.25r1.5r+15=2.25r represents the number rr of movies you must rent to spend the same amount at each movie

store. How many movies must you rent to spend the same amount at each movie store?
Mathematics
1 answer:
Lelu [443]3 years ago
7 0
1.5r+15=2.25r
Combine like terms: 1.5r+15-1.5r=2.25r-1.5r
15=0.75r
Get the unknown alone: 15/.75=.75/.75r
20=r or r=20 :)

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Step-by-step explanation:

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Polygon Y is a scaled copy of Polygon X using a scale factor of 1/3. Polygon Y’s area isn’t what fraction of Polygon X’s area?
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sweet [91]

9514 1404 393

Answer:

  1. 3/2
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Step-by-step explanation:

1. The table can be filled in like this:

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2. The meaning of the constant of proportionality is just what it is defined to mean: the ratio of oil to vinegar in the dressing.

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3. The equation is y=kx, where k is the value in part 1:

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3 years ago
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Step-by-step explanation:

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