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3 years ago

5

Two less than 2 times a number is the same as the number plus 64. What is the number?

1 answer:

Alex Ar [27]3 years ago

8 0

Set it up as an equation. "A number" is x.

2x-2=x+64

Move all of the x terms to one side by subtracting x from both sides, then add 2 to both sides to isolate x.

X=66

The number is 66

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456 divided by n=4.56

Arlecino [84]

To find this out, just divide 456, by the answer of 4.56
So once you divide that, you get 100.
So, n=100
CHECK:
456 divided by 100=4.56
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Hope this helped :)

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timofeeve [1]

First find the equation of y.

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The equation of a line y is:

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The perpendicular line $y_{\perp}$ is same like the normal line except its slope m becomes:

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The equation of a perpendicular bisector is thus:

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