Solve the problem.The area of a rectangle is 12m2 - 11m - 15. Find the length if the width is 3m - 5.
A. 12m - 3
B. 4m - 3
C. 12m + 3
D. 4m + 3
Answer: D
Mathematics
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The speed S, in meters per second, of sound in the ocean depends on the depth D, in kilometers. (It depends on other quantities as well, but those will be ignored for this problem.) The relationship is
.
At what depth is the speed of sound 1,604.04 meters per second?
?
A. 4.18 kilometers B. 5.24 kilometers C. 28,802.68 kilometers D. 4.12 kilometers
Mathematics
Factor by grouping.12x3 - 9x2 + 20x - 15
A. (3x2 - 5)(4x + 3) B. (12x - 5)(x2 + 3) C. (12x + 5)(x2 - 3) D. (3x2 + 5)(4x - 3)
Mathematics
Evaluate the function.Find f(-4) when f(x) = x2 + 3x + 3
A. 7 B. 31 C. 25 D. 1
Mathematics
Find a formula for the function graphed.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Mathematics