Find the value of x
140
5x
80"
O A. 12
OB. 16
O C. 18
O D....
Mathematics, 23.04.2021 05:50 sakshimehta
Find the value of x
140
5x
80"
O A. 12
OB. 16
O C. 18
O D. 28
Answers: 3
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Which graph corresponds to the function f(x) = x2 + 4x – 1?
Answers: 1
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Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items
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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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