Answer two questions about Systems A and Bil System A
System B
-10x – 4y = 0
|10x– 4y = 8
-2x + 7y = 8
-26 + 7y=0
1) How can we get System B from System A?
Choose 1
Replace only the left-hand side of one equation with the sum difference of the left-hand sides of
both equations
Replace one equation with the sum/difference of both equations
Swap only the right-hand sides of both equations

Swap only the right-hand sides of both equations

No

for khan academy

Step-by-step explanation:

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.

this answer is !