Solve the system by the substitution method. Be sure to check all proposed solutions. x - 4y = -35x - 3y = -15
A. {(3, -1)}
B. {(-3, 0)}
C. {(-2, -3)}
D. ?
Answer: B
Mathematics
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A. 12.78 B. 22.72 C. 21.72 D. 12.68
Mathematics
Provide an appropriate response. A suburb city presently has a population of 250,000 people. In 25 years, what would its estimated population be if P = Poe0.02t?
A. 1,648,721 B. 824,361 C. 412,180 D. 3,297,443
Mathematics
Solve the equation.p + 5.7 = 6.21
A. 11.91 B. 11.41 C. 0.51 D. 0.71
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Find the indicated sum. Use the formula for the sum of the first n terms of a geometric sequence.
A. 120 B. 248 C. 340 D. 24
Mathematics