Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire that lies along the first-quadrant portion of the circle 
if the density of the wire is 
A. 
= 
, 
= 
B. 
= 1, 
= 1
C. 
= 
, 
= 
D. 
= 
, 
= 
Answer: C
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Answer appropriately.A microcomputer company analyzed its sales and profits and discovered a linear relationship between how many units were sold each week and the profits for that week. No matter how many microcomputers were sold, a fixed expense of $19,000 was incurred. The profit associated with each unit sold was $280. The total profit was the per-machine profits less the fixed expense. Express the weekly total profit as a function t(x) where x is the number of units sold each week.
A. t(x) = 
x + 19,000
B. t(x) = 280x + 19,000
C. t(x) = 280x - 19,000
D. t(x) = 19,000x - 280
Provide an appropriate response.Consider the selections of seven apples from a barrel of 75 apples. Is this a combination, a permutation, or neither?
A. Neither B. Permutation C. Combination
Solve the problem.At a state fair truck pull, two pickup trucks are attached to the back end of a monster truck as illustrated in the figure. One of the pickups pulls with a force of 1800 pounds and the other pulls with a force of 3400 pounds with an angle of 45° between them. With how much force must the monster truck pull in order to remain unmoved? HINT: Find the resultant force of the two trucks. Round your answer to the nearest tenth. 
A. The truck must pull with a force of 2478.9 lb. B. The truck must pull with a force of 4843.0 lb. C. The truck must pull with a force of 4496.1 lb. D. The truck must pull with a force of 1704.4 lb.
Provide an appropriate response.If 2 B
zier curves are joined at the point p3 what is necessary for G1 geometric continuity?
A. Both tangent vectors at p3 need to point in the same direction. B. Both tangent vectors at p3 need to be equal. C. The second derivative at p3 needs to equal 0. D. p3 just needs to be a control point for both curves.