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2 years ago

8

If Mary pay $3695.20for principal and interest every month for 30 years on her $110,000 loan, how much interest will she pay ove

r the life of the loan?

1 answer:

PilotLPTM [1.2K]2 years ago

6 0

Answer:

$1,220,200

Step-by-step explanation:

The total of Mary's payments is ...

$3695.20/mo × 30 yr × 12 mo/yr = $1,330,200

The difference between this repayment amount and the value of her loan is the interest she pays:

$1,330,200 -110,000 = $1,220,200 . . . total interest paid

_____

Mary's effective interest rate is about 40.31% per year--exorbitant by any standard.

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Answer:

The formula for calculating the width of the window is

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Step-by-step explanation:

<u><em>The question in English is</em></u>

A rectangular window is l meters wide and h meters high, with a perimeter of 6 meters and an area of 2m². What is the formula for calculating the width of the window?

we know that

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$P=6\ m$

so

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The formula to solve a quadratic equation of the form

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in this problem we have

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substitute in the formula

$w=\frac{-(-3)(+/-)\sqrt{-3^{2}-4(1)(2)}} {2(1)}$ ---> formula for calculating the width of the window

$w=\frac{3(+/-)\sqrt{1}} {2}$

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Step-by-step explanation:

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