Answer:
1
Step-by-step explanation:
Answer:
1. 5
2.1
3.-1
4.-3
Step-by-step explanation:
Hope this helps :)
Answer:
8/3 or 2 2/3
Step-by-step explanation:
We do sums and differences of fractions by giving them a common denominator, then finding the sum or difference of the numerators. Here, you can reduce the first fraction to 10/3, so it will have the same denominator as the second fraction.
Now, you have ...
![\dfrac{10}{3}-\dfrac{2}{3}=\dfrac{10-2}{3}=\dfrac{8}{3}\\\\=\dfrac{2\cdot 3+2}{3}=2\frac{2}{3}](https://tex.z-dn.net/?f=%5Cdfrac%7B10%7D%7B3%7D-%5Cdfrac%7B2%7D%7B3%7D%3D%5Cdfrac%7B10-2%7D%7B3%7D%3D%5Cdfrac%7B8%7D%7B3%7D%5C%5C%5C%5C%3D%5Cdfrac%7B2%5Ccdot%203%2B2%7D%7B3%7D%3D2%5Cfrac%7B2%7D%7B3%7D)
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If you're really stumped, you can have your calculator do it.
Answer:
13/52
Explanation:
There are 13 heart cards in a 52 deck of cards.
The first one is the correct answer.
When you multiply, you end up with 49x^16+28xy^40-28x^40 -16y^64
The two middle terms cancel out so you end up with 49x^16-16^64.