A simple random sample of 85 is drawn from a normally distributed population, and the mean is found to be 146, with a standard d
2 answers:
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Width = w
Length = 2w
Height = 4w
Width = 13.86cm
Hope this helps. - M
Length = 2w
Height = 4w
Width = 13.86cm
Hope this helps. - M
Answer:
The number of wrapping paper sold was 32 and the number of magazines sold was 40
Step-by-step explanation:
Let
x ----> the number of wrapping paper sold
y ----> the number of magazines sold
we know that
The classes sold 72 items
so
----> equation A
The classes earned $222 for their school
so
----> equation B
Solve the system of equations by graphing
Remember that the solution of the system of equations is the intersection point both graphs
using a graphing tool
The solution is (32,40)
see the attached figure
therefore
The number of wrapping paper sold was 32 and the number of magazines sold was 40
