Find the solutions to the system of equations by the addition method. x + 2y = -56x + 2y = -20
A. (-3, -1)
B. (-2, -1)
C. (-2, -2)
D. (1, -3)
Answer: A
You might also like to view...
Construct a truth table for the statement.(~p ? q) ? (p ? q)
A. 
T T F F F F
T F F F T F
F T T F F F
F F T T F F
B. 
T T F T T T
T F F T F F
F T T T T T
F F T F T T
C. 
T T F T T T
T F F T F F
F T T T T T
F F T F T F
D. 
T T F F F F
T F F F T T
F T T F F F
F F T T F T
Find the exact value of the expression if ? = 60°. Do not use a calculator.f(?) = sin ?Find 8f(?).
A. - 
B. 4
C. - 
D. 4
If M is the theoretical maximum charge that a battery can hold and k is a positive constant that depends on the battery and the charger, the length of time (in minutes) required to charge the battery to a given level C is given by
?
?
If k = 0.2, how long will it take a battery to reach a 30% charge? Assume that the battery was fully discharged when it began charging. Round to one decimal place.
?
A. 0.2 minutes B. 6.0 minutes C. 2.6 minutes D. 1.8 minutes E. 0.8 minutes
Translate to a proportion and solve. What is 3
% of 
Round to the nearest whole number.
A. 3813 B. 381,333 C. 3,813,333 D. 38,130