Find the area of the surface generated by revolving the curves about the indicated axis.x = sin t, y = 5 + cos t, 0 ? t ? 2?; x-axis
A. 20?2
B. 15?2
C. 5?2
D. 30?2
Answer: A
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Which of the following is a justification for being able to construct perpendicular bisectors? ?
A. ?Finding "equal radii" to draw the arcs results in a quadrilateral which is a rhombus. B. ?Finding "equal radii" to draw the arcs results in a quadrilateral which is a square. C. ?Since the diagonals of a rhombus intersect at right angles and therefore make a perpendicular bisector. D. ?Since the diagonals of a quadrilateral are the same length, they intersect at right angles. E. ?None of the above.
Calculate the sum.(-5) + (+8)
A. 13 B. 3 C. -3 D. -13
Use your knowledge of the listed sets to draw a A Venn diagram illustrating the relationships among them.real numbers, integers, positive numbers, negative numbers, irrational numbers
What will be an ideal response?
Determine the equation of the line described. Put answer in the slope-intercept form, if possible.Through (6, 2), perpendicular to y = 1
A. y = 2 B. x = 6 C. x = 1 D. y = 1