The rate of change in sales S (in thousands of units) of a new product is proportional to the difference between L and S at any time t (in years), where ?L is the maximum number of units of the new product available. When , . Write and solve the differential equation for this sales model.
?

A. ?
B. ?
C.
D. ?
E.

Answer: A

Mathematics

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Find the intersection. x = 2 + 4t, y = -6 + 10t, z = 7 + 10t ; -10x + 4y + 10z = 9

A.
B. (6, 4, 17)
C.
D. (-2, -16, -3)

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Mathematics

Place parentheses, if needed, to turn this into a true statement.8 - 10 - 9 + 3 = 10

A. 8 - (10 - 9) + 3 = 10 B. No parentheses needed C. 8 + 10 - (9 + 3) = 10 D. (8 - 10) - 9 + 3 = 10

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Mathematics

Solve the problem.Let angle POQ be designated ?. Angles PQR and VRQ are right angles. If ? = 32°, find the length of PQ accurate to four decimal places.

A. 0.5299 B. 0.6249 C. 1.8871 D. 0.8480

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Mathematics

Solve the system using the substitution method. If the system has no solution or an infinite number of solutions, state this.2x + 8y = 4 x = -4y + 2

A. Infinite number of solutions B. No solution C. (2, 4) D. (4, 2)

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Mathematics

The rate of change in sales S (in thousands of units) of a new product is proportional to the difference between L and S at any time t (in years), where ?L is the maximum number of units of the new product available. When , . Write and solve the differential equation for this sales model. ?

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The rate of change in sales S (in thousands of units) of a new product is proportional to the difference between L and S at any time t (in years), where ?L is the maximum number of units of the new product available. When , . Write and solve the differential equation for this sales model.
?