Mathematics

Mathematics, 11.07.2019 17:00, flamingtacos4026

6+9k+5j=54. i've subtracted 6 on both sides and now i have 9k+5j=48. what now?

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Mathematics, 29.06.2019 19:00, alexsan5537

Will give ! jerry solved this equation: 3 ( x − 1 4 ) = 13 6 1. 3x − 3 4 = 13 6 2. 3x − 3 4 + 3 4 = 13 6 + 3 4 3. 3x = 26 12 + 9 12 4. 3x = 35 12 5. ( 3 1 ) 3 1 x = 35 12 ( 3 1 ) 6. x = 105 12 in which step did jerry make an error? a) in step 2, he should have subtracted 3/4 from both sides. b) in step 3, he should have found an lcd of 10. c) in step 4, he should have subtracted 9 from 26. d) in step 5, he should have multiplied both sides by 1.3

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Mathematics, 17.07.2019 12:00, brockandersin

Enelope determined the solutions of the quadratic function by completing the square. f(x) = 4x2 + 8x + 1 –1 = 4x2 + 8x –1 = 4(x2 + 2x) –1 + 1 = 4(x2 + 2x + 1) 0 = 4(x + 2)2 0 = (x + 2)2 0 = x + 2 –2 = x what error did penelope make in her work? penelope should have subtracted 1 from both sides instead of adding 1. penelope should have subtracted 4 from both sides instead of adding 1. penelope should have added 4 to both sides instead of adding 1. penelope should have subtracted 8 from both sides instead of adding 1.

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Mathematics, 31.07.2019 05:00, asco0317p34v1s

Mr. lopez wrote the equation 32g+8g-10g=150 on the board. four students explained how to solve for g. alyssa: “i added 32 and 8 to get 40, subtracted 10 to get 30, and then subtracted 30 from 150 to find the value of g, which is 120.” rahul: “i added 32, 8, and 10 to get 50, and then i subtracted 150 to find the value of g, which is –100.” toni: “i subtracted 18 from 32 to get 14, which i then divided into 150 to find the value of g, which is ” wilhem: “i added 32 and 8 to get 40, subtracted 10 to get 30, and then divided both sides by 30 to find the value of g, which is 5.” which student’s work is correct?

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Mathematics, 22.08.2019 16:20, Kennethabrown09

Andrew solved the following inequality, and his work is shown below: −4(x + 8) ≤ −2x + 50 −4x − 32 ≤ −2x + 50 −2x − 32 ≤ 50 −2x ≤ 82 x ≤ −41 what mistake did andrew make in solving the inequality? 1.) he did not make a mistake. 2.) when dividing by −2, he did not change the direction of the sign. 3.) he added 2x to both sides when he should have subtracted. 4.) he added 32 to both sides when he should have subtracted.

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6+9k+5j=54. i've subtracted 6 on both sides and now i have 9k+5j=48. what now?...

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