Add: (1 - j8) + (6 + j3)
a. 7 + j11
b. 5 - j11
c. 5 - j5
d. 7 - j5
e. 6 - j11
d. 7 - j5
Mathematics
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Use algebraic and/or graphical methods to solve the inequality.
> 0
A. x < - 
B. x > 0
C. x < 
D. x > - 
Mathematics
Solve the variation problem.The intensity I of light varies inversely as the square of the distance D from the source. If the intensity of illumination on a screen 5 feet from a light is 4 foot candles, find the intensity on a screen 20 ft from the light.
A. 2 foot-candles
B. 1
foot-candles
C. 
foot-candles
D. 
foot-candles
Mathematics
Perform the indicated operation and simplify.
- 
A. 7x + 58
B. 
C. 
D. 
Mathematics
Solve using the addition principle and/or the multiplication principle.184 = 11x + 19
A. 2 B. 154 C. 15 D. 158
Mathematics