The vector PQ is Q-P = (2, 1). The vector SR is R-S = (2, 2). One is not a multiple of the others, so the vectors are not parallel. In a parallelogram, these vectors would be identical. PQRS is not a parallelogram.
What can you turn 343/81 into
1 answer:
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Hi!
When you add a negative number, you really just subtract it. So let's solve this.
Convert the mixed numbers into improper fractions.
Solve
434 - 351 = 83
The sign of this fraction is positive
Hope this helps! :)
-Peredhel