A heating element operates on a 205 V line. If it has a resistance of 18
, what current does it draw? (Current equals voltage divided by resistance.)
A. 15.90 A
B. 8.78 A
C. 17.86 A
D. 11.39 A
E. 9.15 A
Answer: D
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Find the indicated derivative of the function.f'''(x) for f(x) = (x + 1)-1
A. -6(x + 1)-3 B. 6(x + 1)-4 C. -6(x + 1)-4 D. 6(x + 1)-3
Solve the proportion.
= 
A. 
B. 
C. 
D. 
Solve the right triangle ABC with C = 90°. Your answer should give an angle in decimal degrees when given an angle in decimal degrees and in degrees and minutes when given an angle in degrees and minutes. Use the rules for significant digits.B = 82°28', c = 13.39 ft
A. A = 8°32', a ? 13.27 ft, b ? 1.755 ft B. A = 7°32', a ? 13.27 ft, b ? 1.76 ft C. A = 7°32', a ? 1.755 ft, b ? 13.27 ft D. A = 7°32', a ? 1.76 ft, b ? 13.27 ft
Answer the questionHow can the graph of f(x) = 
+ 15 be obtained from the graph of y = 
?
A. By making a horizontal shift of 15 units to the right B. By making a horizontal shift of 15 units to the left C. By making a vertical shift of 15 units down D. By making a vertical shift of 15 units up