Find a particular solution for the differential equation.
= 4x + 4; y = -20 when x = 0
A. y = 4x2 + 4x - 20
B. y = 2x2 + 4x - 10
C. y = 4x2 + 4x - 10
D. y = 2x2 + 4x - 20
Answer: D
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Solve triangle ABC. If necessary, round the answer to the nearest tenth.b = 4, c = 6, A = 85°
A. a = 6.9, B = 35.3°, C = 59.7° B. a = 6.9, B = 59.7°, C = 35.3° C. a = 5.9, B = 59.7°, C = 35.3° D. a = 7.9, B = 35.3°, C = 59.7°
Choose the correct response.Suppose that x ounces of a 25% acid solution are mixed with y ounces of a 35% solution to obtain 71 ounces of a 32% solution. One equation in a system for solving this problem is 
Which of the following is the other equation?
A. 25x + 35y = .32(71) B. .25x + .35y = .32(71) C. 35x + 25y = 32 D. .35x + .25y = .32(71)
Perform the indicated operation.
A. 34.000 B. 32.514 C. 32.516 D. 32.504
Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols.Speed is measured by distance divided by time.
A. If S represents speed, d distance, and t time, then S = 
.
B. If S represents speed, d distance, and t time, then t = 
.
C. If S represents speed, d distance, and t time, then S = 
.
D. If S represents speed, d distance, and t time, then d = 
.