3 years ago

Write an equation to solve each problem and then solve it. a The sum of three consecutive integers is 84. Find the integers.

Mathematics

1 answer:

otez555 [7]3 years ago

6 0

Answer:

27,28,29

Step-by-step explanation:

Which means that the first number is 27, the second number is 27 + 1 and the third number is 27 + 2. Therefore, three consecutive integers that add up to 84 are 27, 28, and 29. We know our answer is correct because 27 + 28 + 29 equals 84 as displayed above.

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In your notebook, set up the following subtraction in a vertical format and select the correct answer. Take -4 + 3a2 from 7a - a

ahrayia [7]

Answer:

-4a^2+7a+4 , a=2 or -1/4

Step-by-step explanation:

Take -4 + 3a2 from 7a - a2

It means 7a -a^2 - (-4+3a^2)

7a -a^2 +4-3a^2

7a -a^2-3a^2+4

7a -4a^2+4

-4a^2+7a+4