Chứng minh rằng các biểu thức sau đây đều có giá trị dương;
x^2-4x+10...
Mathematics, 09.09.2021 19:20 arod20061
Chứng minh rằng các biểu thức sau đây đều có giá trị dương;
x^2-4x+10
Answers: 3
Mathematics, 21.06.2019 21:30
Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?
Answers: 1
Mathematics, 22.06.2019 00:30
Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)
Answers: 2
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