Solve the problem.A rectangle with width 2x + 1 inches has an area of 2x4 + 7x3 - 17x2 - 58x - 24 square inches. Write a polynomial that represents its length.
A. x3 + 3x2 - 10x - 24 inches
B. x3 + 5x2 - 9x - 24 inches
C. x3 - 10x2 + 3x - 24 inches
D. x3 - 9x2 + 5x - 24 inches
Answer: A
Mathematics
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Find an equation for the sphere with the given center and radius.Center (0, -10, -6), radius = 9
A. x2 + y2 + 9z2 + 20y - 12z = -55 B. x2 + y2 + 9z2 + 20y + 12z = -55 C. x2 + y2 + z2 + 20y + 12z = -55 D. x2 + y2 + z2 + 20y - 12z = -55
Mathematics
Express the number in decimal notation.8.1 × 105
A. 81,000 B. 8,100,000 C. 405 D. 810,000
Mathematics
Solve the problem.The sequence 9, 6, 3, 0, . . . appears to be of which type?
A. Fibonacci B. arithmetic C. geometric D. exponential E. logistic
Mathematics
Simplify.-4(-5 + x)
A. 20 - 4x B. 20 + 4x C. -20 - 4x D. -20 + 4x
Mathematics