9514 1404 393
Answer:
- annually: 9.01 years
- monthly: 8.69 years
- daily: 8.67 years
- continuously: 8.66 years
Step-by-step explanation:
For interest compounded in discrete intervals, the formula is ...
A = P(1 +r/n)^(nt)
We want to find t for P=1 and A=2, so we have ...
2 = (1 +r/n)^(nt)
ln(2) = nt·ln(1+r/n)
t = ln(2)/(n·ln(1+r/n))
A table of values for r=0.08 is attached.
__
For continuous compounding, the formula is ...
A = Pe^(rt)
t = ln(A/P)/r = ln(2)/0.08 ≈ 8.66434 . . . . years
__
- annually: 9.01 years
- monthly: 8.69 years
- daily: 8.67 years
- continuously: 8.66 years
Answer:
Sean
Step-by-step explanation:
We need to find how long Sofia spent mowing and then compare with the time Sean spent.
Sean mowed his lawn in 2 ½ hours.
Sofiia mowed her lawn for ¼ hours, then stopped. She did this 7 times. This means:
1/4 * 7 = 7/4 hours = hours
Therefore, Sean spent more time mowing his lawn.
Answer:
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i made a video explaining its on
Step-by-step explanation:
You would find the arithmetic mean of this data, which is (50+60)/2. First, add the two values in the parentheses to get 110/2, then divide to get 55 mph.