Mathematics, 18.04.2020 23:58 mimi8561
Selena and Drake are evaluating the expression ( r s -2 /r r squared s -3 ) - 1, when r = -1 and s = -2.
Who is correct and why?
Selena is incorrect because she should have substituted the values for the variables first, and then simplifed.
Selena is correct because she simplified correctly and then evaluated correctly after substituting the values for the variables.
Drake is incorrect because he should have simplified first, before substituting the values for the variables.
Drake is correct because he substituted the values for the variables first, and simplified correctly.
Answers: 1
Mathematics, 21.06.2019 14:30
Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4
Answers: 1
Mathematics, 21.06.2019 18:00
George has seven boxes of five pencils. giulio three boxes of eight pencils. one of the boys arranges all his pencils equally into two groups. was this george or giulio how many are in each group explain
Answers: 1
Mathematics, 21.06.2019 18:00
Arecipe calls for 32 fluid ounces of heavy cream.how many 1 pint containers of heavy cream are needed to make the recipe?
Answers: 2
Selena and Drake are evaluating the expression ( r s -2 /r r squared s -3 ) - 1, when r = -1 and s =...
Mathematics, 21.04.2020 15:31
Mathematics, 21.04.2020 15:31
Computers and Technology, 21.04.2020 15:31
Mathematics, 21.04.2020 15:31
French, 21.04.2020 15:31
Mathematics, 21.04.2020 15:31