The 90% confidence interval is (70 - 4, 70 + 4). The margin of error is 4%.
Answer:
0.166
Step-by-step explanation:
We know that,
1 week = 7 days
i.e.
6 week = 7(6) days = 42 days
We need to express ratio 7 days to 6 weeks as a decimal fraction. So,

Let
x-------> the length side of the original cube
we have

Divide by
both sides

The system of equations is equal to
--------> equation 
--------> equation 
using a graphing tool
see the attached figure
we know that
the solution of the system of equations is the intersection both graphs
therefore
the solution is

therefore
<u>the answer is</u>

Answer:
Step-by-step explanation:
Answer:
Cube
Step-by-step explanation:
The cubed root of 8 = 2 because 2³ = 8.
So 8 is perfect cube.