Mathematics, 22.11.2019 01:31 mel8260
Given that 5(x+k)=4x = 20 and that x is positive show that k < 4
Answers: 3
Mathematics, 21.06.2019 17:00
Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet
Answers: 1
Mathematics, 21.06.2019 18:10
Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29Β°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin
Answers: 3
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
Given that 5(x+k)=4x = 20 and that x is positive show that k < 4...
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