Mathematics

Mathematics, 29.07.2019 08:00, akj2000

What should be added to 3 to make the sum of 0?

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Mathematics, 05.07.2019 01:00, heavyhearttim

Andrew solved the following inequality, and his work is shown below: −4(x + 8) + 25 ≤ −2 + 1(x − 50) −4x − 32 + 25 ≤ −2 + 1x − 50 −4x − 7 ≤ 1x − 52 −5x ≤ −45 x ≤ 9 what mistake did andrew make in solving the inequality? (2 points) he subtracted 1x from both sides when he should have added 4x. when dividing by −5, he did not change the ≤ to ≥. he added 7 to both sides when he should have added 52. he did not make a mistake.

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Chemistry, 05.07.2019 23:20, meaghan18

A10.0-ml sample of 1.0 m nahco3 is titrated with 1.0 m hcl (hydrochloric acid). approximate the titration curve by plotting the following points: ph after 0 ml hcl added, ph after 1.0 ml hcl added, ph after 9.5 ml hcl added, ph after 10.0 ml hcl added (equivalence point), ph after 10.5 ml hcl added, and ph after 12.0 ml hcl added.

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Mathematics, 01.08.2019 06:30, labrandonanderson00

Andrew solved the following inequality, and his work is shown below: −4(x + 8) + 25 ≤ −2 + 1(x − 50) −4x − 32 + 25 ≤ −2 + 1x − 50 −4x − 7 ≤ 1x − 52 −5x ≤ −45 x ≤ 9 what mistake did andrew make in solving the inequality? select one: a. he subtracted 1x from both sides when he should have added 4x. b. when dividing by −5, he did not change the ≤ to ≥. c. he added 7 to both sides when he should have added 52. d. he did not make a mistake

Answers: 1

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Mathematics, 10.10.2019 15:10, khalid7746

Andrew solved the following inequality, and his work is shown below: −4(x + 8) + 25 ≤ −2 + 1(x − 50) −4x − 32 + 25 ≤ −2 + 1x − 50 −4x − 7 ≤ 1x − 52 −5x ≤ −45 x ≤ 9 what mistake did andrew make in solving the inequality? a-he subtracted 1x from both sides when he should have added 4x. b-when dividing by −5, he did not change the ≤ to ≥. c-he added 7 to both sides when he should have added 52. d-he did not make a mistake.

Answers: 1

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