Mathematics, 26.07.2019 20:00 brinson1k
1. solve the equation: (x-4)^2 -28 = 8 show your work. don’t forget that you will get two answers. 2. this is josh’s solution for the equation : step 1: x² - 6x – 7 = 0 step 2: x² - 6x = 7 step 3: x² - 6x + 9 = 7 + 9 step 4: (x – 3)² = 16 step 5: x – 3 = 16 step 6: x = 19 step 7: x – 3 = -16 step 8: x = -13 where did josh make his mistake? what are the solutions to this equation? show all of your work. this problem is solved using completing the square. the mistake was in step here is how to correctly solve the equation: 3. use the quadratic formula to solve x^2 - 4x + 3 show your work.
Answers: 2
Mathematics, 21.06.2019 18:00, jabraeshaw
Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?
Answers: 1
Mathematics, 21.06.2019 18:30, jwagner1580
Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).
Answers: 1
Mathematics, 21.06.2019 19:00, whitethunder05
Ineed to know the answer to this algebra question.
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Mathematics, 21.06.2019 20:00, codyshs160
The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212
Answers: 1
1. solve the equation: (x-4)^2 -28 = 8 show your work. don’t forget that you will get two answers....
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