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jeyben [28]
3 years ago
6

If x−2=13, then what is the value of x2−4x+4?

Mathematics
2 answers:
Rus_ich [418]3 years ago
8 0

Answer:

169

Step-by-step explanation:

x−2=13

First find the value of x

x-2+2 = 13+2

x = 15

Now substitute into the expression

x^2 -4x+4

15^2 -4*15+4

225 - 60+4

165+4

169

MrRa [10]3 years ago
8 0

Given:

x - 2 = 13

x = 15

Put x = 15:

x² - 4x + 4

( x - 2)²

= (15 - 2)²

= 13²

= 169

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3 years ago
NUMBER 6 PLEASE HELP ASAP
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Part A: 115

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Part A asks for the perimeter, which is adding, so add up the 15, 40, and 60, which will equal to 115.

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You could try multiplying it a different way but get the same answer:

60 x 40 x 15 = <u>36000</u>

60 x 40 = 2400

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