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Mathematics, 27.02.2020 20:24 joeylozier15
Suppose you work for a large coffee distributor that has a secret coffee blend it sells to local stores. You mix the Queen City blend with the Arabian Mocha blend, but always in the same proportion. Yesterday, you mixed 50 pounds of the Queen City blend with 15 pounds of the Arabian Mocha blend. Today, there is 40 pounds of the Queen City coffee left in stock. How many pounds of the Arabian Mocha coffee should you mix with it to get your secret blend?
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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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