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BigorU [14]
3 years ago
12

Solve this by substitution

Mathematics
1 answer:
frozen [14]3 years ago
6 0

Answer:

y= 1 and x=-2

Step-by-step explanation:

Since they both equal y, you can equal them to each other:

x + 3 = 2x + 5

Then solve:

x - x + 3 = 2x - x + 5

3 - 5 = x + 5 - 5

-2 = x

Substitute x in either equation to solve for y:

y = (-2) +3

y = 1

Or the other equation:

y = 2(-2) + 5

y = -4 + 5

y = 1

hope this helps :)

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A cooler has a volume of 5,096 cubic inches. If Jill is using the water in the cooler to fill the cylindrical cups with height o
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Answer:

She will be able to fill 405 cups

Step-by-step explanation:

A cooler has a volume of 5,096 cubic inches.

Jill is using the water in the cooler to fill the cylindrical cups with height of 4 inches and a diameter of 2 inches (radius = 1 inch).

To find how many full cups she can get from the cooler, we have to first find the volume of the cups and divide the volume of the cooler by the volume of the cups.

The volume of a cylinder is given as:

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