Answer:
$25,626.53
Step-by-step explanation:
You are going to want to use the compound interest formula, which is shown below.

<em>P = initial balance</em>
<em>r = interest rate (decimal)</em>
<em>n = number of times compounded annually</em>
<em>t = time</em>
<em />
First, change 8.5% into a decimal:
8.5% ->
-> 0.085
Now lets plug in the values into the equation:


Lastly, subtract the total from the initial balance:

Michelle earned $25,626.53 in interest.
Answer:
D y-8 +2 ≤ -2+2
Step-by-step explanation:
y-8 ≤ -2
Add 2 to each side
y-8 +2 ≤ -2+2
Answer:
y = -4
Step-by-step explanation:
See attached worksheet.
Answer:
13 ounces
Step-by-step explanation:
291/21.5=13.5348837209
Answer:
For the student who is studying 10 hours a week is in the 57.93th percentile.
Step-by-step explanation:
Corresponding z-score for the student who studies 10 hours a week can be calculated by the formula
z=
where
- x is the hours student work in a week, which is 10,
- M is the mean studying hour of the class, which is 9.92,
- s is the standart deviation which is 4.54
from here we find that z=
≈0.2
Corresponding percentile for z=0.2 is 57.93