Solve the equation by factoring.x2 - x = 30
A. {5, 6}
B. {1, 30}
C. {-5, 6}
D. {-5, -6}
Answer: C
Mathematics
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Approximate the area of the triangle to the nearest tenth.a = 22, ? = 49°54', c = 18
A. 197.9 B. 196.9 C. 395.9 D. 151.5
Mathematics
Assuming that the rate of inflation is 2% per year, the equation P = Po (1.02) t yields the predicted price P, in t years, of an item that presently costs Po. Find the predicted price of a $0.55 container of cocoa mix in 4 years.The choices are rounded to the nearest cent.
A. $1.25 B. $1.57 C. $0.30 D. $0.60 E. $0.92
Mathematics
Tell whether the relation is a function.
A. Function B. Not a function
Mathematics
Solve the equation.5x(x + 5) = (4x + 7)(x + 5)
A. 5, -7 B. 7 C. -5, 7 D. -7
Mathematics