Mathematics, 25.02.2021 21:00 yofavvmk
A CELL PHONE PLAN OFFERS 125 MINUTES EACH MONTH FOR 6.50 PER MONTH WHAT IS THE COST PER MINUTE WHEN A PERSON USES ALL 125 MINUTES IN A MONTH
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Mathematics, 21.06.2019 15:40
What is the probability of rolling a single die greater than 4
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Mathematics, 21.06.2019 18:00
A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees
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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
A CELL PHONE PLAN OFFERS 125 MINUTES EACH MONTH FOR 6.50 PER MONTH WHAT IS THE COST PER MINUTE WHEN...
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