Determine if the given ordered pair is a solution of the system of equations. HINT: There is no need to graph.(3, -6)4x + y = 182x + 4y = 30
A. Yes
B. No
Answer: B
Mathematics
You might also like to view...
Use DeMorgan's laws or a truth table to determine whether the two statements are equivalent.~(p ? q) ? r, (~p ? ~q) ? r
A. Equivalent B. Not equivalent
Mathematics
Translate to a proportion and solve. When necessary, round to the nearest hundredth.What is 75% of 7220?
A. 542 B. 541,500 C. 54,150 D. 5415
Mathematics
Solve the problem.The population of a city at the beginning of 2005 is 1,259,000. What will the population of the city be at the beginning of 2015 if it decreases by 2.4% each year? Round to the nearest whole number.
A. 1,011,752 B. 956,840 C. 987,470 D. 963,771
Mathematics
Solve the formula for the specified variable.I = 
for n
A. n = 
B. n = 
C. n = IR(Ir - E)
D. n = 
Mathematics