Give the contrapositive of the statement, “If it is warm, then the 19. car will start.”
(a) If it is not warm, then the car will not start.
(b) It is not warm.
(c) If the car does not start, then it is not warm.
(d) If the car starts, then it is warm out.
(c) If the car does not start, then it is not warm.
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Write the decimal as a percent.7.8
A. 0.78% B. 780% C. 78% D. 0.0078%
Simplify the algebraic expression by collecting and combining like terms.2(7x - 4) - 3(x - 2)
A. 11x - 2 B. 8x - 2 C. 11x - 6 D. 11x - 14
Provide an appropriate response.The height of an object thrown in the air depends on the time since it has been thrown. For a particular situation the height in meters of an object after t seconds can be represented by h(t) = 20t - 4.9t2.(a)What is the height of the object if the time is x seconds?(b)If the time is increased by 2 seconds, how much higher is the object?(c)How much higher is the object per second increase?(d)If the time is increased by h, how much higher is the object?(e)How much higher is the object per unit increase?
What will be an ideal response?
Solve the problem.The cost of tuition at a community college is given by C(x) = 485 + 68x, where x is the number of credit hours. Find and interpret the C-intercept of the graph of this function.
A. 485; The tuition increases by $485 for each additional credit hour. B. 68; The tuition increases by $68 for each additional credit hour. C. 68; There is a tuition fee of $68 in addition to the charge per credit hour. D. 485; There is a tuition fee of $485 in addition to the charge per credit hour.