Mathematics, 29.08.2019 23:30 angieagfan9270
The mean of 7 numbers is 15. when an 8th number is added the mean decreases to 12. what is the 8th number?
Answers: 1
Mathematics, 21.06.2019 17:40
The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?
Answers: 2
Mathematics, 21.06.2019 18:00
Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.
Answers: 3
Mathematics, 21.06.2019 19:00
Marina baked cookies. she gave 3/4 of the cookies to the scout bake sale. she shared the remaining 6 cookies with her friends. how many cookies did marina bake?
Answers: 3
Mathematics, 21.06.2019 19:30
We just started the introduction into circles and i have no idea how to do this.
Answers: 3
The mean of 7 numbers is 15. when an 8th number is added the mean decreases to 12. what is the 8th n...
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