In order for two lines to be perpendicular, their slopes must multiply together to equal to negative one
So we do negative one divided by 2/5 to get the slope of the red line
Which is -5/2
To check, we do 2/5 multiplied by -5/2 which equals to -1 so our answer is correct
Answer:
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Step-by-step explanation:
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Question-
What is the solution of the system of equations? y=-4x+10 y=-2x-6
Answer-
y = -4x + 10
y = -2x - 6
-4x + 10 = -2x - 6
-4x + 2x = -6 - 10
-2x = -16
x = -16/-2
x = 8
y = -4x + 10
y = -4(8) + 10
y = -32 + 10
y = -22
solution is (8,-22)
Hope i helped have a wonderful day
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Add them all up and divide by 30. Answer: $55.20.
