Solve the system by substitution. If the system is inconsistent or dependent, say so.
A. (3, 0)
B. infinite number of solutions of the equation 3x + y = 9; dependent system
C. (6, 3)
D. empty set solution; inconsistent system
Answer: B
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Use sets to solve the problem.Mrs. Bollo's second grade class of thirty students conducted a pet ownership survey. Results of the survey indicate that 8 students own a cat, 15 students own a dog, and 5 students own both a cat and a dog. How many of the students surveyed own no cats?
A. 27 B. 22 C. 15 D. 10
Solve the exponential equation. Use a calculator to approximate the solution to the nearest thousandth.2 = e3 - x
A. x ? 2.301 B. x ? 1.307 C. x ? 2.693 D. x ? 1.699
A foundation of McDonald's success is its highly centralized global business model.
Answer the following statement true (T) or false (F)
Solve.In its latest census, a country's population is calculated to be 1,456,276. Round this number to the nearest thousand.
A. 1,456,300 B. 1,456,280 C. 1,457,000 D. 1,456,000