Use a 4-column table to solve.A convention manager finds that she has $1210, made up of twenties and fifties. She has a total of 38 bills. How many fifty-dollar bills does the manager have?
A. 10 fifty-dollar bills
B. 15 fifty-dollar bills
C. 38 fifty-dollar bills
D. 23 fifty-dollar bills
Answer: B
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Determine the number of significant digits in the given approximate number.7080
A. 3 B. 4 C. 2 D. 1
An AC circuit has R = 8.2 Kê and xL = 2.4 Kê. Find the phase angle.
a. 2ø b. 16ø c. 22ø d. 10ø
Solve the problem.Two forces of magnitude 25 pounds and 40 pounds act on an object. The force of 40 lb acts along the positive x-axis, and the force of 25 lb acts at an angle of 80° with the positive x-axis. Find the direction and magnitude of the resultant force. Round the direction and magnitude to the nearest whole number.
A. Direction: 4°; magnitude: 65 lb B. Direction: 40°; magnitude: 47 lb C. Direction: 51°; magnitude: 51 lb D. Direction: 29°; magnitude: 51 lb
Convert as indicated.138 mg to grams
A. 138,000 g B. 1.38 g C. 13,800 g D. 0.138 g