Which of the following lengths below could be used to create a right triangle?
7.8.9
O 16, 18...
Mathematics, 26.05.2021 17:00 andrewpjryan871
Which of the following lengths below could be used to create a right triangle?
7.8.9
O 16, 18, 20
12, 16, 20
O 8. 12. 14
Answers: 1
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Liesl grew 7/12 of a foot in one year. her little sister grew 1/3 of a foot during that same year. how much more did liesl grow than her little sister did
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Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11
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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
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