Solve.According to Ohm's law, the electric current I, in amperes, in a circuit varies directly as the voltage V. When 7 volts are applied, the current is 3 amperes. What is the current when 26 volts are applied?
A. 11.14 amp
B. 2.33 amp
C. 60.6666667 amp
D. 36 amp
Answer: A
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Evaluate the line integral along the curve C.
ds , C is the curve r(t) = 3ti + (9 cos 
t)j + (9 sin 
t)k , 0 ? t ? 
?
A. 
+ 
B. 
?2 + 
C. 
?
D. 
?2 + 81
Solve the system of equations using the inverse of the coefficient matrix.3x + 5y = -10-3x - 6y = 9
A. x = -5, y = 1 B. x = 1, y = -5 C. x = -1, y = 5 D. x = 5, y = -1
Use an Euler diagram to determine whether the argument is valid or invalid.All wrestlers are strong.
Therefore, some strong people are smart.
A. valid B. invalid
Solve. Answer with a complete sentence.A circular mural has a radius of 58 meters. What is the circumference of the mural? Use 3.14 for ?.
A. The circumference of the mural is approximately 364.24 meters. B. The circumference of the mural is approximately 10,562.96 meters. C. The circumference of the mural is approximately 182.12 meters. D. The circumference of the mural is approximately 91.06 meters.