Simplify.5(x + 8)
A. 5x + 8
B. 5x + 40
C. x + 40
D. 5x + 13
Answer: B
Mathematics
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Verify that each equation is an identity.7 csc2? - 3 cot2? = 4 csc2? + 3
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Mathematics
Change the sign. (Find the opposite, or additive inverse.) 0
A. 1
B. 
C. 0
D. -1
Mathematics
Evaluate.a2 for a = 6
A. 36 B. 6 C. 216 D. 12
Mathematics
Solve the problem.An object is propelled upward at an angle ?, 45° < ? < 90°, to the horizontal with an initial velocity of v0 feet per second from the base of a plane that makes an angle of 45° with the horizontal. If air resistance is ignored, the distance R that it travels up the inclined plane is given by the function R(?) = 
[sin(2?) - cos(2?) - 1]. Show that R(?) = 
[sin ?(cos ? + sin ?) - 1].
What will be an ideal response?
Mathematics