A circle graph is being drawn as part of an analysis of tax disbursements in a certain state. One of the categories is “roads.” The total disbursement under consideration is $13,486,241.76. Of that amount $1,896,042.03 went to “roads.”What percent of the area of the circle graph should be included under this category? If the radius of the circle graph is to be 7", what is the area of the “roads” sector? How many degrees are in its central angle?
What will be an ideal response?
14%; 21.55 sq. in; 50.4°
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 
for r(t) = (10t - 5t3)i + 2tan(3t)j + e3tk
A. a
= - 
?i - 72j + 9e1/4?k
B. a
= - 
?i - 72j + 9k
C. a
= - 
?i + 72j + 9e1/4?k
D. a
= 
?i + 72j + 9e1/4?k
Solve.A wicker basket has a circular rim with a diameter of 12 inches. How many inches of ribbon are needed to go once around the rim? Round results to the nearest tenth of a unit.
A. 37.7 in. B. 144.0 in. C. 35.7 in. D. 75.4 in.
Find the linear velocity of a point moving with uniform circular motion, if the point covers a distance s in an amount of time t, where
?
cm and 
sec
?
If the answer needs rounding, round it to three significant digits.
?
__________ cm/sec
Fill in the blank(s) with the appropriate word(s).
Simplify. 
A) 70 B) 219 C) 74 D) 198 E) 69