Solve the system by graphing. If the system is inconsistent and has no solution, state this. If the system is dependent, write the form of the solution for any real number x.x = -5y = -7
A. (-5, -7)
B. Inconsistent, ?
C. (-5, -5)
D. (-7, -5)
Answer: A
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Work the application and answer with a complete sentence.In a biology experiment, a scientist collected 6409 mosquitoes in a rural field and 2174 mosquitoes in an urban area. How many mosquitoes did she collect in all?
A. She collected 5272 mosquitoes in all. B. She collected 8583 mosquitoes in all. C. She collected 8236 mosquitoes in all. D. She collected 4235 mosquitoes in all.
Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence.a1 = 4, d = 0.8
A. an = 4n - 3.2; a20 = 76.8 B. an = 0.8n + 4; a20 = 20 C. an = 0.8n + 3.2; a20 = 19.2 D. an = 4n + 0.8; a20 = 80.8
Solve the problem.In an extended care facility, 0.4639 of the residents require a particular heart medication. Write this decimal as a percent.
A. 0.4639% B. 46.39% C. 4.639% D. 4639%
Simplify the decimal expression.15 + 18.34
A. 33.44 B. 3.34 C. 33.34 D. -3.34