3 years ago

Dr. Samuel Hayden invested $750 for three years at an interest rate of 0.035. How much interest did he earn in that time?

Mathematics

1 answer:

egoroff_w [7]3 years ago

8 0

Answer:

he earned $78.75 interest.

Step-by-step explanation:

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garri49 [273]

We have that
y=2x+4--------> equation 1
3x−6y=3-------> equation 2

step 1
I substitute the value of y in equation 1 for the value of y in equation 2
so
3x−6*[2x+4]=3-------> 3x-12x-24=3
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step 2
I substitute the value of x in equation 1 to get the value of y
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the answer is
the solution is the point (-3,-2)
x=-3
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