Mathematics, 03.09.2020 23:01 davisz23
Karin is also in Mr. Whittaker’s science class, and she recorded the variation in water level at a different part of the river. Karin observed that the water level there fell 1.68 millimeters per year for 1.5 years. Which expression shows a way to use the distributive property to solve for the total variation in water level at this part of the river? 1.5(-1) + 0.68 1 + (0.5)(-1)(0.68) (-1.68)(1) + (-1.68)(0.5) 1(-1) + 0.5(-0.68)
Answers: 2
Mathematics, 21.06.2019 19:20
Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1
Answers: 1
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 23:30
Arestaurant added a new outdoor section that was 8 feet wide and 6 feet long. what is the area of their new outdoor section
Answers: 1
Karin is also in Mr. Whittaker’s science class, and she recorded the variation in water level at a d...
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