Write the percent problem as an equation and solve.150 is what percent of 300?
A. 40%
B. 100%
C. 200%
D. 50%
Answer: D
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In the circuit below, find IT in rectangular form if IR = 7 mA and IC = 9 mA.
a. 16 mA - j2 mA
b. 16 mA + j16 mA
c. 9 mA + j7 mA
d. 7 mA + j9 mA
e. -2 mA + j16 mA
Solve the absolute value equation. = 2
A. x = -1 B. x = 6, 30 C. x = -5, -1 D. x = 30
Evaluate the expression for the given replacement values.x - yfor x = -15, y = -7
A. 22 B. -8 C. 8 D. -22
Interpret the linear equation.The altitude above sea level of an airplane just after taking off from an airport on a high plateau is given by the linear function y = 800x + 3089, where y is in feet and x is the time in minutes since take-off. Find and interpret the slope and y-intercept.
A. m = 800; The altitude of the airplane increases 800 feet every minute. b = 3089; The altitude of the airport where the airplane took-off is 3089 feet above sea level.
B. m = 3089; The minutes since take-off increases 3089 for every foot of altitude. The minutes that the plane takes to get to the altitude of the airport from sea level.
C. m = 800; The minutes since take-off increases 800 for every foot of altitude. ; The minutes that the plane takes to get to the altitude of the airport from sea level.
D. m = 3089; The altitude of the airplane increases 3089 feet every minute. b = 3089; The altitude of the airport where the airplane took-off is 800 feet above sea level.