konoisaa
02.07.2019 •
Mathematics
Solve the equation. if necessary, round to the nearest tenth. 4x^2 =81 a 20.25, -20.25 b 2.25, -2.25 c 4.5 -4.5 d 9, -9
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Ответ:
4x = 9
x = 9/4
B is your answer
hope this helps
you must have a positive and a negative answer*
at least that is what my teacher told me lol
Ответ:
If any parallelogram is cut along one of the diagonals, we get 2 congruent triangles. We can see that the sides of the triangles are equal. Figure attached.
So, Mary is right.