3 years ago

??? r + 3r + _ = 6r 3 2 3r 2r

Mathematics

2 answers:

Nina [5.8K]3 years ago

7 0

2r because adding 3r and r gets you 4r so you would need 2 more

Elena-2011 [213]3 years ago

4 0

Answer:

Step-by-step explanation:

r+3r+_=6r

4r+_=6r

Subtract 4r from both sides.

_=2r

Therefore the answer is 2r.

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The midpoint of GH are M(4,3) and D(5,-6). The coordinates of the endpoint are?

Phantasy [73]

Answer:

The endpoint coordinates are (3,12)

Step-by-step explanation: $\frac{5+x^{2} }{2} =4$ $\frac{-6+y^{2} }{2} = 3$

You multiply 4 by 2 which gives you 8 and write the equation $5+x^{2} =8$ then you subtract 5 from 8 to get 3 for the x coordinate.

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To check use the midpoint formula with coordinates D and your endpoint coordinates $\frac{5+3}{2}=\frac{8}{2} =4 \\$ $\frac{-6+12}{2} =\frac{6}{2} =3$ and you get the answer for the midpoint which is (4,3)