Mathematics, 26.06.2020 15:01, esquiveljadyn8054
Eduardo solved the following inequality, and his work is shown below: −5(x + 4) ≥ 4x − 38 −5x − 20 ≥ 4x − 38 −9x − 20 ≥ −38 −9x ≥ −18 x ≥ 2 What mistake did Eduardo make in solving the inequality? A. When dividing by −9, he did not change the direction of the sign. B. He subtracted 4x from both sides when he should have added. C. He added 20 to both sides when he should have subtracted. D. He did not make a mistake.
Answers: 1
Mathematics, 21.06.2019 17:30, gungamer720
Nine more than four times a number is the same as one less than twice the number. find the number?
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Mathematics, 21.06.2019 20:00, tessafargo
Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.
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Eduardo solved the following inequality, and his work is shown below: −5(x + 4) ≥ 4x − 38 −5x − 20 ≥...
Mathematics, 30.04.2021 01:00
Mathematics, 30.04.2021 01:00