Simplify the following polynomial expression. (5x-7)(9x^2-4x-8)
1 answer:
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Answer:
Approximately 4.67 feet of fabric is required for one pillow case.
Step-by-step explanation:
We are given the following in the question:
Number of pillow cases to be made by Jenny = 3
Amount of fabric Jenny has = 14 feet
Each pillow case use same amount of fabric.
Amount of fabric used to make 1 pillow case =
Thus, approximately 4.67 feet of fabric is required for one pillow case.
About 1.75 million people live in a circular region with a 15-mile diameter. Find the population density in people per square mile.
Solution: We are given that the population of a circular region = 1.75 million =
Also we are given the circular region has a diameter = 15 mile
Which means the radius of region mile
Therefore, the area of the circular region
Now the population density per square mile is:
Therefore, the population density per square mile is 6086