Can somebody help me on question 15?!
2 answers:
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Check the picture below, you can pretty much count the units off the grid for the length and width.
recall area = length * width.
recall area = length * width.
We have been given that professional plumbers suggest that a sewer pipe should be sloped 0.25 inch for every foot.
Therefore, we can find the slope as:
Therefore, the recommended slope for a sewer pipe is