Mathematics, 10.12.2019 04:31 AutumnGarringer
Glenn and helen are playing ping pong. for every 3 points that glenn scores, helen scores 5 points. if glenn scores 9 points, how many points does helen score?
Answers: 3
Mathematics, 21.06.2019 19:10
Which of the following is the shape of a cross section of the figure shown below
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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 20:00
0if x and y vary inversely and y=6 as x=7, what is the constant of variation?
Answers: 1
Glenn and helen are playing ping pong. for every 3 points that glenn scores, helen scores 5 points....
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