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nika2105 [10]
3 years ago
11

a rectangle that is 2 inches by 3 Inches has been scaled by factor of 7 suppose you want to scale the copy back to its original

size what scale factor would you use?
Mathematics
1 answer:
DedPeter [7]3 years ago
5 0
It would be 1/7 since you essentially are dividing by 7 to cancel out the original scaling.
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For Question 1:

Step 1: Replace the x values

x= 3, y=5

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(Remember, if an x value is beside a number, and it is replaced, that replaced number is to be multiplied with the number the previous x value was.)

Parentheses first, Multiplication second, Addition third (look at PEMDAS below :) )

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Now your equation should look like this:

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Now, which one to do first? Use the PEMDAS strategy

Parentheses

Exponents

Multiplication

Division

Addition

Subtraction

You have to do it from top to bottom

Division comes first, which means, you have to divide first, then add:

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