Kelly opened a bank account that earns 1.2% simple interest each year. after 7 years, kelly will earn $126 in interest. how much did kelly deposit when she opened the account?

13.4 dollars

Step-by-step explanation:

The final amount is given by:

F=I(1+rt)

Where

I= initial amount

r= interest rate

t= time interval

F= final amount

Now in our case

r= 1.2

t= 7

F= $126

Therefore I=F/(1+rt) = 126/(1+1.2*7) = 13.4 dollars.

the answer is a

step-by-step explanation:

step-by-step explanation:

i think something is missing in your question because y-1=(x-12) would not pass through the point (-4,-3). because if you replace x by -4 your are supposed to find y=-3 which is not the case her. if you replace x by -4 you find =-15.

i assume the right equation is y-1=1/4*(x-12) because this one is passing through both your points (if you are interested to know how i found that out i can tell you).

in this equation if i replace x by -4 i find y=-3 and if i replace x by 12, i find y=1 so the line representing this equation is passing through those 2 points.

then the standard form of the equation is finding an expression of y in function of x

y-1=1/4*(x-12)

y=x/4-3+1

y=x/4-2

hope that .

do you confirm there was a mistake in the question?