Determine the number by which both sides of the equation must be multiplied or divided, as specified, to obtain just x on the left side.x = 3; multiplied

A. 3
B. - 
C.  
D. 9


Answer: C

Mathematics

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Add the given vectors by using the trigonometric functions and the Pythagorean theorem.A = 28, ? = 211 °B = 11, ? = 201 °

A. R = 7, ? = 208° B. R = 39, ? = 242° C. R = 39, ? = 28° D. R = 39, ? = 208°

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Make a stem and leaf plot of the data.The following data show the number of laps runby each participant in a marathon.46 65 55 43 51 4857 30 43 49 32 56

A.

B.

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Find the volume of the described solid.The base of a solid is the region between the curve y = 5cos x and the x-axis from x = 0 to x = ?/2. The cross sections perpendicular to the x-axis are squares with diagonals running from the x-axis to the curve.

A. ?
B. ?
C. 6?
D. ?

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Multiply and, if possible, simplify. ? 

A. 18
B. 24
C. 12
D. 12

Mathematics