-2(x+5)=1/4(x-10)
-8(x+5)=x-10
-8x-40=x-10
-9x=30
x=-10/3
-10
x= ------
3
Answer:
b
Step-by-step explanation:
Any irrational number will make an irrational number when added to 1/3.
Hope this helped :)
ANSWER
The dot product is 10.
EXPLANATION
The given vectors are (2,4) and (1,2).
If we have the vectors
u=(a,b) and v=(c,d)
Then the dot product of the two vectors is given by

This implies that,

This simplifies to;
