Represent the following using variables.Alice is making a quilt. She needs a strip of cloth that is x inches long and another that is  inches long. What is the total length of the two pieces of cloth needed?x in.8x + 3 in.

A. 8x + 3 in.
B. 8x2 + 3 in.
C. 12x in.
D. 9x + 3 in.


Answer: D

Mathematics

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Find the volume of the indicated region.the region bounded by the paraboloid  and the xy-plane

A. ?
B. 14?
C. 56?
D. 98?

Mathematics

Solve.The outline of a certain planet can be considered a circle with a radius of approximately 4000 miles. Thus, if the center of this planet is located at (0, 0), then an equation for this circle is . Suppose an incoming meteor is approaching the planet in a hyperbolic path. The equation describing the meteor's path is  Will the meteor strike the planet? If so, locate the point (x, y) where the meteor will strike. Assume that x and y are both positive, and round to three significant digits.

A. Yes, at the point (x, y) ? (2550, 4000). B. Yes, at the point (x, y) ? (1410, 3740). C. No, the meteor will not strike the planet. D. Yes, at the point (x, y) ? (2280, 4000).

Mathematics

Tell in which quadrant or on what coordinate axis the point lies.(13, 9)

A. Quadrant II B. Quadrant IV C. Quadrant III D. Quadrant I

Mathematics

Multiply. Assume that no radicands were formed by raising negative numbers to even powers.( - )

A.  - 
B. 12
C.
D. 3 + 3

Mathematics