Mathematics, 02.07.2019 03:00, zakwanasim123
Select the best possible first step to solving the system by first eliminating the y variable. 4x – 5y = 4 3x + 2y = –20 a. none of the above b. multiply the first equation by 2 and multiply the second equation by 5. c. multiply the first equation by 2 and multiply the second equation by –5. d. multiply the first equation by –2 and multiply the second equation by 5.
Answers: 1
Mathematics, 21.06.2019 13:30, cogger9348
Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.
Answers: 1
Mathematics, 21.06.2019 18:30, turboslayer
In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn. if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.
Answers: 2
Mathematics, 21.06.2019 22:00, shantejahtierr63961
You're locked out of your house. the only open window is on the second floor, 25 feet above the ground. there are bushes along the edge of the house, so you will need to place the ladder 10 feet from the house. what length ladder do you need to reach the window?
Answers: 3
Select the best possible first step to solving the system by first eliminating the y variable. 4x –...
Mathematics, 20.03.2020 20:48