Sonia wants to sew ribbon along each side of a square pillow if the pillow has an area of 144 in² how much ribbon must she by to
1 answer:
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Answer:
k = 9
Step-by-step explanation:
Given
Required
The perfect number
The coefficient c of x in the above equation is:
Divide by 2
Square both sides
Hence, the constant to add is:
Answer: 42804 people per square mile
Step-by-step explanation:
As we know Population density =
Given, population of New York City = 8.55 million
Area of New York City = 300 square miles
Then, population density of New York City =
[1 million = 1,000,000]
Population of Manhattan = 1.64 million = 1640000
Area of Manhattan = 23 square miles
population density of Manhattan =
Difference = 71304 - 28500 =42804
Hence, population density of Manhattan is 42804 people per square mile greater than that of New York City.