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Mathematics, 21.06.2019 16:50
Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.
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Mathematics, 21.06.2019 17:40
Find the x-intercepts of the parabola withvertex (1,1) and y-intercept (0,-3).write your answer in this form: (x1,if necessary, round to the nearest hundredth.
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Mathematics, 21.06.2019 20:30
The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?
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Mathematics, 21.06.2019 20:50
Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c
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