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musickatia [10]
2 years ago
9

The sum of the perimeters of 2 different squares is 68 feet, and the difference between their perimeters is 12 feet. What is the

side length of
each square?
Mathematics
1 answer:
True [87]2 years ago
7 0

9514 1404 393

Answer:

  • 10 ft
  • 7 ft

Step-by-step explanation:

The side lengths are 1/4 of the perimeter, so we can say ...

  the sum of side lengths is 68 ft/4 = 17 ft

  the difference of side lengths is 12 ft/4 = 3 ft

Using x to represent the side length of the smaller square, we have ...

  x + (x +3) = 17 . . . . . . the larger square has side length x+3

  2x = 14 . . . . . . . . . subtract 3

  x = 7 . . . . . . . . divide by 2

The side lengths of the squares are 7 feet and 10 feet.

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Step-by-step explanation:

For every x there is exactly one y value. We can forgive a function if some values of x do not have a y, but if there is more than one y for even one value of x, then the relation is not a function.

8 0
2 years ago
Hey all, can I get the answer + explanation for this? Would be much appreciated.
marysya [2.9K]

Answer:

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Step-by-step explanation:

Let's draw an imaginary dot in the middle of that <u>line</u> which runs between those two parallel lines, and now lets look at it as an angle.

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Now that we can see that our two angles must equal 180 when put together we know and can say that:

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So, lets work this out like basic algebra now.

40 + x + 20 = 180

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           - 60   - 60

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And voila we have our x value.

Hope this helps :)

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Step-by-step explanation:

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