What is the solution of the system? 10x+3y=50 -5x-y=-20

The solution is (2, 10)

Step-by-step explanation:

In order to solve this system of equations, multiply the second equation by 2, then add through. This will allow the x terms to cancel.

10x + 3y = 50

-10x - 2y = -40

y = 10

Now that we have y, plug in and find x.

-5x - y = -20

-5x - 10 = -20

-5x = -10

x = 2

answer: the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

the given rate of interest i= 85%

in calculating the monthly payment for a loan with an interest rate compounded monthly, the value of the interest rate per period we use in the formula must be in decimal form.

to convert it in decimal, we divide it by 100, we get

hence, the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

answers available in this download

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