Mathematics, 21.12.2019 04:31 vaehcollier
Atank with a capacity of 1500 gals originally contains 1000 gals of fresh water. the first pipe containing 2 pounds of salt per gallon is entering at a rate of 4 gal/min. the second pipe containing 3 pounds of salt per gallon is entering at a rate of 6 gal/min. the mixture is allowed to flow out of the tank at a rate of 5 gal/min.
a. find the amount of salt in the tank at any time prior to the instant when the solution begins to overflow.
Answers: 3
Mathematics, 21.06.2019 16:10
A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?
Answers: 1
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 03:00
Apply the distributive property to simplify the expression. β4(5x + 2)
Answers: 2
Mathematics, 22.06.2019 05:00
Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read
Answers: 3
Atank with a capacity of 1500 gals originally contains 1000 gals of fresh water. the first pipe cont...
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