Mathematics, 06.11.2020 17:10 stephnham6352
A Cube is made of white materiel, but the exterior is painted black. If the cube is cut into 125 smaller cubes of exactly the same size, how many of the cubes will have exactly 2 of their sides painted black.
Answers: 3
Mathematics, 21.06.2019 19:30
1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show
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
A Cube is made of white materiel, but the exterior is painted black. If the cube is cut into 125 sma...
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