Answer:
Gina's friend will get 5 pieces of legos
Step-by-step explanation:
If you do long division it should look like this
= 78
then if you multiply 78 you get 468
473-468=5
The 2nd question (the answer is c) but I don't know why so can someone solve this for me ?
1 answer:
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Answer:
10. Statement: Point P lies on line C'D'. Reason: The coordinates of P satisfy the equation of line C'D'.
Step-by-step explanation:
The equation for line C'D' in statement 8 appears to be in error. It should be ...
The coordinates of point P given in statement 9 are in error (they cannot be negative). They should be ...
P = (2/3(r+t), 2/3s) . . . . . without the minus signs
This point will satisfy the equation of line C'D'. Here is the algebra. (Notice we have multiplied each term on the right of the above equation by (-1/-1).
So, step 10 should say, in effect, P lies on C'D'.
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<em>Comment on the proof</em>
IMO it is unfortunate that this proof has so many mistakes. Properly done, it is a nice demonstration that the medians are concurrent. It also demonstrates that the location of the centroid is 1/3 of the distance along the median toward the vertex.