<span>(x/y)+(3/y)=(x+3)/y
the answer is
the numerator for the following rational expression</span> is x+3
Answer:
30
Step-by-step explanation:
For a = <xa, ya> and b = <xb, yb>, the dot product is the sum of products ...
a·b = (xa)(xb) + (ya)(yb)
Substituting the given information, you have ...
a·b = 5·4 + 2·5 = 20 + 10
a·b = 30
_____
Some graphing calculators can do such math. There are also dot product calculators available on the Internet. If you have quite a few of these to calculate, you can put the appropriate formula into a spreadsheet.
Answer:
5
Step-by-step explanation:
20/5 = 5/1
so the answer is c
What does "gcf" stand for?
