Which value is in the solution set of |x|+9=-2
a) x= 11
b) x= -11
c) the equation...
Mathematics, 07.08.2019 22:30 prettygirlgwen24
Which value is in the solution set of |x|+9=-2
a) x= 11
b) x= -11
c) the equation has no solutions
d) the equation has infinitely many solutions
Answers: 1
Mathematics, 21.06.2019 17:00, Niyah3406
When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?
Answers: 2
Mathematics, 21.06.2019 19:50, Roshaan8039
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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