Mathematics, 27.06.2019 07:00 tiffanibell71
Check this the work of a student to solve a set of equations is shown: equation a: y = 15 β 2z equation b: 2y = 3 β 4z step 1: β2(y) = β2(15 β 2z) [equation a is multiplied by β2.] 2y = 3 β 4z [equation b] step 2: β2y = 15 β 2z [equation a in step 1 is simplified.] 2y = 3 β 4z [equation b] step 3: 0 = 18 β 6z [equations in step 2 are added.] step 4: 6z = 18 step 5: z = 3 in which step did the student first make an error? step1 step 2 step 3 < < < < < step 4
Answers: 1
Mathematics, 21.06.2019 17:00
Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.
Answers: 3
Mathematics, 21.06.2019 17:00
Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false
Answers: 2
Mathematics, 21.06.2019 21:30
40) linda was making chocolate truffles for the first day of school. the recipe for 20 chocolate truffles is: i cup of cream 2 cups of dark chocolate she noticed this will not be enough truffles for the 42 sure that all students in each homeroom next year. to be sure that all students receive a truffle, linda must adjust her recipe. a. complete the recipe for 42 truffles cups of cream - cups of dark chocolate work:
Answers: 2
Check this the work of a student to solve a set of equations is shown: equation a: y = 15 β 2z equ...
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