Round as indicated.21 to the nearest ten
A. 30
B. 0
C. 10
D. 20
Answer: D
Mathematics
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Solve the exponential equation. For irrational solutions, round to four decimal places.ex + 4 = 8
A. {-1.5151} B. {-1.8599} C. {-1.9206} D. {2.4849}
Mathematics
Decide whether the given number is a solution of the given equation.Is -1 a solution of x - 8 = 4?
A. yes B. no
Mathematics
Solve for any valid real roots.x4 - 27x2 + 50 = 0
A. x = 25, x = 2
B. x = 5, x = 
C. x = ±5, x = ± i
D. x = ±5, x = ±
Mathematics
Factor completely. State that the polynomial is prime if it cannot be factored.9x2 - 25
A. prime B. (3x - 5)2 C. (3x + 5)(3x - 5) D. (3x + 5)2
Mathematics