Kim ran 5 miles more than Jake last week. Kim ran 13 miles. How many miles did Jake run?
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Mathematics, 10.03.2021 01:00 sonaihriley
Kim ran 5 miles more than Jake last week. Kim ran 13 miles. How many miles did Jake run?
Answers: 1
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What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?
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Which letters from the table represent like terms? a and b b and c a and d b and d
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Mathematics, 21.06.2019 19:50
Prove (a) cosh2(x) β sinh2(x) = 1 and (b) 1 β tanh 2(x) = sech 2(x). solution (a) cosh2(x) β sinh2(x) = ex + eβx 2 2 β 2 = e2x + 2 + eβ2x 4 β = 4 = . (b) we start with the identity proved in part (a): cosh2(x) β sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 β sinh2(x) cosh2(x) = 1 or 1 β tanh 2(x) = .
Answers: 3
Mathematics, 21.06.2019 20:00
Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0
Answers: 2
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