Mathematics, 18.11.2020 23:10 Kimberlytdb
The earth can be modeled as a sphere with diameter 12,700 km with about 30% percent potentially habitable by humans. There are approximately 7.1 billion people in the world. if the surface area of the earth is approximately 506,707,500 square km, what is the approximate population density of potentially habitable earth?
Answers: 3
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Two parallel lines are crossed by a transversal.what is value of x
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Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3xā5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).
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Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.
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Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?
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The earth can be modeled as a sphere with diameter 12,700 km with about 30% percent potentially habi...
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