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morpeh [17]
3 years ago
5

Write the equation of the line that passes through points (-7,8) and (4,-5)

Mathematics
2 answers:
VLD [36.1K]3 years ago
6 0

Answer:

y = -13/11x - 3/11

Step-by-step explanation:

First, find the slope of the line using the slope formula.

m=\frac{y_2-y_1}{x_2-x_1}\\m=\frac{-5-8}{4-(-7)}\\m=-\frac{13}{11}

Then, use the point-slope formula and substitute the values for the variables.

y-y_1=m(x-x_1)\\y-8=-\frac{13}{11}(x-(-7))\\y-8=-\frac{13}{11}x-\frac{91}{11}\\y=-\frac{13}{11}x-\frac{3}{11}

Alex3 years ago
5 0

Answer:

y=-3/11x+67/11

Step-by-step explanation:

y-8=-5-8/4--7(x--7)

y-8=-3/11(x+7)

11y-88=-3x-21

11y=-3x-21+88

11y=-3x+67

y=-3/11x+67/11

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We have been given that Nicolas has $6,500 to deposit into an account which earns 3.25% interest compounded annually. We are asked to find amount of interest earned at the end on 8 years.

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\text{interest}=8395.253979-6500

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Therefore, Nicolas would have earned $1895.25 in interest at the end of 8 years.

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