Write the phrase as a variable expression. Use x to represent "a number."A number divided by -20
A. -20x
B. x - (-20)
C. 
D. 
Answer: D
Mathematics
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Evaluate.
, when x = 24 and y = 56
A. 34 B. 55 C. 251 D. 31
Mathematics
Solve the problem by estimating.Nicole can buy a motorbike for $2039 or a car for $9563. Round each price to the nearest hundred to estimate the difference in the prices of the two vehicles.
A. $7524 B. $8000 C. $7500 D. $7600
Mathematics
Solve the exponential equation. e-x = 52x
A. 5 B. 0 C. No solution D. 0.805
Mathematics
Find the equation of the quadratic function that has the given vertex and given point on its graph.Vertex: (-2, -5) through: (-7, 45)
A. P(x) = -2x2 + 8x + 5 B. P(x) = 2x2 + 2x + 5 C. P(x) = 2x2 + 8x + 3 D. P(x) = -7x2 - 8x - 3
Mathematics