The answer is 223.75 because you multiply 12.5 and 17.9
C.
Although this is not the exact answer the circumference formula is 2(pi)r. Which is far more than the other two options.
I beleive that it would be C=n25
Step-by-step explanation:
I'm not sure if this is not complex enough but I'm just going by what I think this is.
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:
Na20+H20 -> 2NaOH
Step-by-step explanation:
