Mathematics, 11.10.2019 05:00 gpinney1883
Jack knows the surface area of a cylinder and its radius. he wants to find the cylinder's height. he needs to rewrite the formula to find the cylinder's height (h) in terms of the cylinder’s surface area (a) and its radius (r). which is the correct formula?
Answers: 3
Mathematics, 21.06.2019 17:00
What properties allow transformation to be used as a problem solving tool
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Mathematics, 21.06.2019 19:50
Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .
Answers: 3
Mathematics, 21.06.2019 20:30
Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.
Answers: 1
Jack knows the surface area of a cylinder and its radius. he wants to find the cylinder's height. he...
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