Answer:
x=amount invested at 7%
2x=amount invested at 8%
3x=amount invested at 9%
interest=principal*rate*time (time=1 year)
$150=0.07x+0.08*2x+0.09*3x
$150=0.07x+0.16x+0.27x
$150=0.50x
$1500=5x
x=$300 invested at 7%
2x=$600 invested at 8%
3x=$900 invested at 9%
Step-by-step explanation:
Answer:
2,4
Step-by-step explanation:
I could be wrong but the equation would be 6-2 and 1+1
Cot(-x) = 1 / tan(-x)
Tan(-x) * 1 / tan(-x) = 1
B is the answer hope this helps :)
79.56 would be the answer, (i’m pretty positive) because you take all three numbers and you multiply them together.
