Mathematics, 31.08.2019 19:50 Evilgus4846
The vertex of the parabola below is at the point (-3, -5). which of the equations below could be the one for this parabola?
a. y = (x + 3)2 + 5
b. x = -3(y + 5)2
c. y = (x - 5)2 + 3
d. y = (x + 3)2 - 5
Answers: 1
Mathematics, 21.06.2019 21:40
In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.
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Mathematics, 22.06.2019 01:10
Evaluate 8x2 + 9x − 1 2x3 + 3x2 − 2x dx. solution since the degree of the numerator is less than the degree of the denominator, we don't need to divide. we factor the denominator as 2x3 + 3x2 − 2x = x(2x2 + 3x − 2) = x(2x − 1)(x + 2). since the denominator has three distinct linear factors, the partial fraction decomposition of the integrand has the form† 8x2 + 9x − 1 x(2x − 1)(x + 2) = correct: your answer is correct. to determine the values of a, b, and c, we multiply both sides of this equation by the product of the denominators, x(2x − 1)(x + 2), obtaining 8x2 + 9x − 1 = a correct: your answer is correct. (x + 2) + bx(x + 2) + cx(2x − 1).
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Mathematics, 22.06.2019 02:30
Match each set of points with the quadratic function whose graph passes through those points
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The vertex of the parabola below is at the point (-3, -5). which of the equations below could be the...
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