She paid 5X cents in total. She sold 8(X -6). The profit was 450 cents.
So: 5X = 8(X-6) -450.
5X + 450 = 8X -48
3X = 402
X = 402/3 = 134. She bought 134 oranges.
9.2 or 9 1/5 is the correct answer.
Answer:
-10
Step-by-step explanation:
First, you know n=3, so you plug that in. Then that equals A(n) = 3/2(-2)3-1, which can be simplified into 3/2*-6-1, then -9-1, and finally -10. [I did the 3/2*-6 by first: multiply -6*3=-18, then -18/2=-9.]
Hope this helps!
I'm not 100% sure it's correct but I tried my hardest and it's a combination of elimination and substitution
- The opposite sides are parallel and congruent. - The diagonals bisect each other.
- There are 4 right angles. - The diagonals are congruent.
- Show that both pairs of opposite sides are congruent.