Multiply and simplify. Assume that all variables represent positive real numbers.(
+ 
)(
- 
)
A. 11 - 2
B. 11z
C. 11 - z
D. 11 - 2
Answer: C
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Use the definition to find an expression for the instantaneous acceleration of an object moving with rectilinear motion according to the given function. The instantaneous acceleration is defined as the instantaneous rate of change of the velocity with respect to time. v = 4t - 6t3 [v is the velocity]
A. 4 - 6t2 B. 4 - 18t2 C. 4t - 18t2 D. 4t - 18t3
Factor completely. If the polynomial cannot be factored, say it is prime.2x2 - 16x + 30
A. (x - 5)(2x - 6) B. prime C. 2(x - 5)(x - 3) D. 2(x - 15)(x + 1)
Use elimination to solve the system, with coordinates of solutions rounded to the second decimal place. Verify your work by using "intersect" on a graphing calculator.y = 5.63x + 3.03y = -0.72x - 6.91
A. (-2.63, -5.21) B. (-1.36, -7.32) C. (-0.83, -4.25) D. (-1.57, -5.78)
Solve the problem.A pest control company sprays insecticide around the perimeter of a 270 ft by 130 ft building. If the spray costs $0.13 per foot, how much did the job cost to the nearest dollar?
A. $52 B. $4563 C. $380 D. $104