Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 24
Answer: B
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Solve the equation (x in radians and ? in degrees) for all exact solutions where appropriate. Round approximate answers in radians to four decimal places and approximate answers in degrees to the nearest tenth.
= 1
A. {63.4° + 360°n, 99.5° + 360°n} B. {63.4° + 180°n, 99.5° + 180°n} C. {0° + 180°n, 63.4° + 180°n, 99.5° + 180°n} D. ?
Solve graphically.An electric circuit containing two currents may be expressed by the equation
where i1 and i2 are the currents in microamperes (
). Find the two currents.
A. 
B. 
C. 
D. 
The following list gives 50 pieces of ranked data (ranked from smallest to largest). Find the 7th percentile.
Ranked data 12 48 82 123 14819 53 85 123 14822 55 89 126 15324 56 98 130 15431 58 102 130 15933 66 103 131 16136 66 105 136 16638 74 109 140 16644 78 116 143 17247 78 121 146 175 A. 12 B. 38 C. 19 D. 24 E. 55
Multiply and simplify. Assume that all variables represent positive real numbers.(8
+ 3)(8
+ 8)
A. 1112 + 88
B. 88
+ 64
C. 152
D. 24 + 64
+ 64