Solve.6(3x - 0.3) = 5x - 1.8
A. -0.115
B. 0.277
C. 13
D. 0
Answer: D
Mathematics
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Solve the equation by factoring.x2 + 7x - 30 = 0
A. x = -10, 3 B. x = -10, -3 C. x = 3, 10 D. x = -3, 10
Mathematics
Use the distributive property to rewrite the expression. Simplify if possible.-9(3x) - 9(9y)
A. -9(3x + 9y) B. -9x(3 + 9) = -108x C. -27x - 81y D. -18(3x + 9y)
Mathematics
Solve the problem.Two pipes together can fill a large tank in 10 hr. One of the pipes, used alone, takes 15 hr longer than the other to fill the tank. How long would each pipe take to fill the tank alone?
A. 10 hr; 25 hr B. 15 hr; 30 hr C. 25 hr; 40 hr D. 12.5 hr; 27.5 hr
Mathematics
Expand the expression using the Binomial Theorem.(5x + 4)3
A. 125x3 + 300x2 + 300x + 64 B. 25x2 + 40x + 16 C. 125x3 + 300x2 + 240x + 64 D. 25x6 + 20x3 + 4096
Mathematics