Answer:
? = 3
Step-by-step explanation:
given a line parallel to a side of the triangle and intersecting the other 2 sides, then it divides those sides proportionally , that is
= 
( cross- multiply )
4? = 12 ( divide both sides by 4 )
? = 3
Answer:
one to one function
Step-by-step explanation:
f(x)=6x+1 can only be a one to one function when x1=x2
Now,
f(x1)=f(x2)
or, 6x1 + 1 = 6x2 + 1
or, 6x1 = 6x2
or, x1 = x2
So f(x)= 6x + 1 is a one to one function
The correct answer is A hope this helps
Answer:
Step-by-step explanation:
When two angles add to 90°
I am pretty sure that every one of those answers are right. That's a very stupid question right there, I suggest that you just put A
