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Andrebutrus
22.07.2019 •
Mathematics
Many credit card companies charge a compound interest rate of 1.8% per month on a credit card balance. miriam owes $750 on a credit card. if she makes no purchases or payments she will go more and more into debt which of the following sequences describes her increasing monthly balance?
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Ответ:
First you need to find the rate. You must divide 1.8 by 100
1.8/100 = .018
Then add 1.
.018 + 1 = 1.018
Then times the starting amount with 1.018. The starting amount 750
750(1.018) = 763.5.
As you can see, in option E that is the 2nd number.
Now we must find the next number.
You will do 750(1.018)^x
x represents the time.
763.5 was the first month.
750(1.018)^2 is the 2nd month.
750(1.018)^2 = 777.244 which is the 3rd number in option E
Ответ:
The Answer Is E you have to divide 1.8 by 750$ Then you can Find The Balance
Ответ:
-1/2, -4
Step-by-step explanation:
2x^2+9x+4=0
2x^2+8x+x+4=0
2x(x+4) +1(x+4)=0
(2x+1)=0 or x+4=0
So, x=-1/2 or x=-4