Mathematics, 15.07.2020 01:01 phirejz6402
determine if the foci for the following ellipse are correct and explain your reasoning 7x2 + 8y2 = 30; foci: (sqrt11, 0), (-sqrt11, 0)
Answers: 2
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What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer
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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.
Answers: 3
Mathematics, 21.06.2019 19:30
ŠŃf x = y and y= z, which statement must be true? Š¾Š°. -x = -2 b. x= z Š¾Ń. āx = 2 od. 2= x
Answers: 3
Mathematics, 21.06.2019 20:00
For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.
Answers: 1
determine if the foci for the following ellipse are correct and explain your reasoning 7x2 + 8y2 = 3...
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