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insens350 [35]
3 years ago
15

Look, i need some answers here

Mathematics
1 answer:
Alecsey [184]3 years ago
4 0
Dont worry...first one..-12
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What is the slope of the line that passes through the points (-2, 7) and (2,-5)?
Deffense [45]

Answer:

Denote that line: y = ax + b

Line passes (-2, 7) and (2,-5):

=> -2a + b =7

=>  2a + b = -5

Add both side of above equations:

=> 2b = 2

=> b = 1

=> a = (-5 - 1)/2 = -3

=> Slope a = -3

Hope this helps!

:)

4 0
3 years ago
PLEASE HELP DUE TONIGHT! 100 PTS
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a. $15.00

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3 years ago
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459/2700=17/100 which translates to 17%.

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3 years ago
Factor: 4x^2-12x+9=0
Andreas93 [3]
Use formula a^2-2ab+b^2=(a-b)^2

4x^2-12x+9
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