Mathematics, 12.10.2020 19:01 viridianasar5158
Ratio 5: 12 if there are 50 trucks how many cars are there
Answers: 1
Mathematics, 21.06.2019 15:00
Which sum or difference identity would you use to verify that cos (180Β° - β
) = -cos β
? a. sin (Ξ± -Ξ²) = sin Ξ± cos Ξ² β cos Ξ± sin Ξ² b. cos (Ξ± -Ξ²) = cos Ξ± cos Ξ² β sin Ξ± sin Ξ² c. cos (Ξ± -Ξ²) = cos Ξ± cos Ξ² + sin Ξ± sin Ξ² d. sin (Ξ± + Ξ²) = sin Ξ± cos Ξ² + cos Ξ± sin Ξ²
Answers: 2
Mathematics, 22.06.2019 01:10
Evaluate 8x2 + 9x β 1 2x3 + 3x2 β 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 β 2x = x(2x2 + 3x β 2) = x(2x β 1)(x + 2). since the denominator has three distinct linear factors, the partial fraction decomposition of the integrand has the formβ 8x2 + 9x β 1 x(2x β 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 β 1)(x + 2), obtaining 8x2 + 9x β 1 = a correct: your answer is correct. (x + 2) + bx(x + 2) + cx(2x β 1).
Answers: 3
Mathematics, 22.06.2019 04:00
Maria has $11 to buy fish for her aquarium. each goldfish costs $2. how many goldfish can she buy? do not include units in your answer
Answers: 2
Mathematics, 22.06.2019 04:30
Shirley spelled 12 of her 15 spelling words correctly on the test. what percentage did shirley get on the test?
Answers: 2
Ratio 5: 12 if there are 50 trucks how many cars are there...
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