Mathematics, 11.01.2021 02:10 gonzalesalexiaouv1bg

ERGENT PLS HELP Harvey is solving an equation. His work is shown below.
50 + (50 + 9) = 57
(5x + 50) + 9 = 57
100 + 9 = 57
Which statement describes the procedure Harvey used in his work and which property justifies the procedure?
O A.
Harvey regrouped the terms to add 5x and 5x and 9. This procedure is justified by the commutative property.
O B.
Harvey regrouped the terms to multiply 5x and 5x by 9. This procedure is justified by the associative property.
O C.
Harvey regrouped the terms to add 5x and 5x. This procedure is justified by the associative property.
Harvey regrouped the terms to multiply 5x and 5x. This procedure is justified by the commutative property.
OD
Reset
Next Question

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 19:00, cheryljoseph69

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Answers: 3

continue

Mathematics, 21.06.2019 21:00, joshuasanders8862

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

Answers: 1

continue

Mathematics, 21.06.2019 21:40, calebhoover03

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000

Answers: 2

continue

Mathematics, 22.06.2019 00:50, genyjoannerubiera

Atravel agent is booking a trip to england, scotland, ireland, and france for a group of senior citizens. the agent sent surveys to the group, asking which countries they would like to visit, in order, and created the shown preference schedule (e = england, i = ireland, s = scotland, f = france). which country is the condorcet winner? number of votes 15 12 16 19 1st f e e i 2nd e s i s 3rd s i s e 4th i f f f 1. scotland 2. england 3. france 4.ireland

Answers: 1

continue

You know the right answer?

ERGENT PLS HELP Harvey is solving an equation. His work is shown below.
50 + (50 + 9) = 57