Mathematics, 29.07.2019 18:10 sampurple123
Stefon is painting the ceiling of a room. the ceiling is in the shape of a rectangle. he has enough paint to cover 180 square feet. the length of the ceiling is 11 feet longer than its width. what are the dimensions of the ceiling?
a. l = 29 ft; w = 18 ft
b. l = 21 ft; w = 10 ft
c. l = 26 ft; w = 15 ft
d. l = 20 ft; w = 9 ft
Answers: 1
Mathematics, 21.06.2019 18:00
On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?
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Mathematics, 21.06.2019 18:30
What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)
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Mathematics, 21.06.2019 19:50
Prove (a) cosh2(x) β sinh2(x) = 1 and (b) 1 β tanh 2(x) = sech 2(x). solution (a) cosh2(x) β sinh2(x) = ex + eβx 2 2 β 2 = e2x + 2 + eβ2x 4 β = 4 = . (b) we start with the identity proved in part (a): cosh2(x) β sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 β sinh2(x) cosh2(x) = 1 or 1 β tanh 2(x) = .
Answers: 3
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