Mathematics, 07.09.2020 02:01 itssergioa
A student multiplies (4+5i) (3-2i) incorrectly and obtains 12-10i what is the students mistakes
Answers: 2
Mathematics, 21.06.2019 12:30
Write the equation below the represents the line passing through the point (-3, -1) negative one with a slope of 4
Answers: 2
Mathematics, 21.06.2019 15:10
Which equation represents the partial sum of the geometric series?
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, 22.06.2019 00:00
Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it.find the area of the sidewalk.
Answers: 1
A student multiplies (4+5i) (3-2i) incorrectly and obtains 12-10i what is the students mistakes...
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