Find the work done by F over the curve in the direction of increasing t.F = -5yi + 5xj + 4z4k; C: r(t) = cos ti + sin tj, 0 ? t ? 8
A. W = 80
B. W = 40
C. W = 160
D. W = 0
Answer: B
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For an arc length s, area of sector A, and a central angle ? of a circle of radius r, find the indicated quantity.r = 10 cm, s = 25 cm, find ? in radian measure
A. 2.5? B. 250 C. 2.5 D. 250?
Solve.Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 144 miles in the same time that Dana travels 132 miles. If Chuck's rate of travel is 3 mph more than Dana's, at what speed does Chuck travel?
A. 42 mph B. 30 mph C. 33 mph D. 36 mph
Using the Rule of 78, find the amount of unearned interest for the loan paid in full before the date of maturity. Round to the nearest cent.Finance charge: $397Total number of payments: 28Remaining number of payments, when paid in full: 5
A. $14.67 B. $9.78 C. $10.50 D. $15.75
Find the direction angle ? for the given vector. Let 0° ? ? < 360° and round ? to the nearest tenth when appropriate.
A. 53.1° B. 117.1° C. 216.9° D. 233.1°