Can someone please explain to me how to get the answer for this

Mathematics

1 answer:

suter [353]3 years ago

7 0

Answer:

You go to an algebraic calculator and you press "No answer" and you press "Steps To Solve" and it will give you the steps to solve it. And it will be easier than the way a teacher explains it. But I can't help you any more than that, because that is honestly all I know.

Step-by-step explanation:

Use this if you need any other help on equations...

https://www.intmath.com/trigonometric-graphs/3-graphs-sin-cos-phase-shift.php

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the perimeter of a rectangle is 56 m. if the width were doubled and the length were increased by 8 m, then the perimeter would b

Natasha2012 [34]

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Define x and y:
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Let the length be x.
Let the width be y.

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Formula:
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Perimeter = 2(Length + Width)

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Construct equations and solve for x and y:
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2x + 2y = 56 ---------------------- (1)
2(x+8) + 4y = 82 -----------------------(2)

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From equation 1:
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2x + 2y = 56
x + y = 28
x = 28 - y

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From equation 2:
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2(x+8) + 4y = 82
2x + 16 + 4y = 82
2x + 4y = 66
x + 2y = 33

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Substitute x = 28 - y into equation 2:
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x + 2y = 33
(28 - y) + 2y = 33
28 - y + 2y = 33
y = 5

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Substitute y = 5 into equation 1:
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x = 28 - y
x = 28 - 5
x = 23

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Find Length and Width
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Length = x = 23 m
Width = y = 5m

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Answer: Length = 23m and Width = 5m
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3 0

3 years ago

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Answer:

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