Solve the problem.A pendulum bob swings through an arc 70 inches long on its first swing. Each swing thereafter, it swings only 70% as far as on the previous swing. How far will it swing altogether before coming to a complete stop?
A. 200 inches
B. 233 inches
C. 117 inches
D. 100 inches
Answer: B
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Find the LCD. Do not combine fractions.
, 
A. 30x2y5 B. 30x3y3 C. 30xy D. 30x3y5
Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. ln 
+ C
B. ln 
+ C
C. ln 
+ C
D. ln 
+ C
Use the variable x for the unknown, and write an equation representing the verbal sentence. Then solve the problem.When 
of a number is added to 12, the result is 26.
A. 
+ x = 26; 26
B. 12 + 
x = 26; 56
C. 
x - 12 = 26; 152
D. 26 + 
x = 12; 56
Solve the variation problem.According to Ohm's law, the electric current, in amperes (A), in a circuit varies directly as the voltage, in volts (V). When 24 V are applied, the current is 3 A. What is the current when 8 V are applied?
A. 1 A B. 35 A C. 8 A D. 24.8 A