Mathematics, 23.07.2019 12:00 hotmama61
(8.05 hc) the work of a student to solve a set of equations is shown: equation a: y = 15 − 2z equation b: 3y = 3 − 4z step 1: −3(y) = −3(15 − 2z) [equation a is multiplied by −3.] 3y = 3 − 4z [equation b] step 2: −3y = 15 − 2z [equation a in step 1 is simplified.] 3y = 3 − 4z [equation b] step 3: 0 = 18 − 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? step 4 step 3 step 2 step 1
Answers: 2
Mathematics, 21.06.2019 16:00
You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?
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Mathematics, 21.06.2019 19:00
Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain
Answers: 1
Mathematics, 21.06.2019 21:30
Which of the following disjunctions is true? 4 + 4 = 16 or 6 - 5 = 11 4 · 3 = 7 or 3 - 2 = 5 8 - 5 = 13 or 7 · 2 = 12 7 - 4 = 11 or 6 + 3 = 9
Answers: 1
Mathematics, 22.06.2019 00:30
Candice uses the function f(t)=t+100−−−−−−√ to model the number of students in her after-school program. the variable t represents days and f(t) represents the number of students. how many days does it take for there to be 15 students in her program? a. 225 days b. 125 days c. 325 days d. 115 days
Answers: 2
(8.05 hc) the work of a student to solve a set of equations is shown: equation a: y = 15 − 2z equa...
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