Mathematics, 09.11.2019 08:31, kitam2871
Erica solved the equation β5x β 25 = 78; her work is shown below. identify the error and where it was made. β5x β 25 = 78 step 1: β5x β 25 β 25 = 78 β 25 step 2: β5x = 53 step 3: negative five times x over negative five = fifty-three over negative five step 4: x = negative fifty-three over five step 1: she should have added 25 to each side. step 1: she should have divided both sides by β5. step 3: she should have divided both sides by β5. step 3: she should have multiplied both sides by β5.
Answers: 3
Mathematics, 21.06.2019 15:50, uehlingt39
Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20
Answers: 2
Mathematics, 21.06.2019 16:30, jagdeep5533
Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x
Answers: 1
Erica solved the equation β5x β 25 = 78; her work is shown below. identify the error and where it w...
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