Solve the problem.In 1980 the world use of oil was 5,000,000,000 barrels and the demand for oil was growing exponentially at the rate of 15% per year. If the demand for oil continues at this rate, how many barrels of oil will the world use from 1980 to 2000?
A. 428 billion barrels
B. 267 billion barrels
C. 98 billion barrels
D. 636 billion barrels
Answer: D
Mathematics
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Simplify the algebraic expression by removing parentheses and combining similar terms.3(-x - 5) - 2(5x + 2) - 3(x + 3)
A. –16x - 28 B. –14x - 28 C. –14x - 24 D. 14x + 28 E. –16x - 24
Mathematics
Find the equation of the line described, and express your answer in the specified form.Parallel to the line x = 4; passes through the point (9, 1); standard form
A. x = 9 B. x = 1 C. y = 1 D. y = 4
Mathematics
Find the area of the shaded region.
A. 10 B. 7.5 C. 12.5 D. 5
Mathematics
Given a = 3, b = 11, and c = 10 use the Law of Cosines to solve the triangle for the value of A. Round answer to two decimal places.
A) 60.33°
B) 62.96°
C) 80.44°
D) 101.54°
E) 15.50°
Mathematics