Solve by using substitution
-4x+y=6 and -5x-y=21...
Answers: 1
Mathematics, 21.06.2019 13:40
Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?
Answers: 2
Mathematics, 21.06.2019 14:50
50 ! pls ! 12. building codes regulate the steepness of stairs. homes must have steps that are at least 13 inches wide for each 8 inches that they rise.
a. discuss how to find the slope of the stairs.
b. describe how changing the width or height affects the steepness of the stairs.
Answers: 2
Mathematics, 21.06.2019 17:00
The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?
Answers: 1
Mathematics, 21.06.2019 21:00
Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list
Answers: 1
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