Solve the problem with estimation, but do not use a calculator. Use rounding to make the resulting calculations simple.If a person earns $19,800 per year, estimate that person's hourly salary.
A. $50
B. $10
C. $40
D. $100
Answer: B
Mathematics
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Graph the equation and give the coordinates of the vertex.y = x2 - 5
A. (5, 0)
B. (0, -5)
C. (-5, 0)
D. (0, 5)
Mathematics
Solve the equation by the square root property.(x - 5)2 = 9
A. {-3, 3} B. {14} C. {-8, 2} D. {2, 8}
Mathematics
Solve the problem.If s is a distance given by s(t) = 5t3 + 8t2 + 4t , find the acceleration, a(t).
A. a(t) = 46t + 4 B. a(t) = 30t + 16 C. a(t) = 15t2 + 16t D. a(t) = 30t
Mathematics
Estimate the sum as indicated. Then answer the question.Estimate the following sum by first rounding to the nearest ten. Does the estimate give you reason to doubt the stated sum?
A. Estimate: 170 ; no B. Estimate: 140 ; yes C. Estimate: 160 ; no D. Estimate: 180 ; yes
Mathematics