Answer:
Step-by-step explanation:
by theorem :
f continu in [1 , 2]
f(1)×f(2) < 0 because : f(1) = -1 and f(2) = 15
so the equation f(x)=0 has at least one real root between x=1 and x=2
so :
Answer:
Z =7
Step-by-step explanation:
The middle segment theorem of a triangle says that: A middle segment connecting two sides of a triangle is parallel to the third side and is half its length.
In this case, the middle segment connecting two sides of a triangle is Z.
This means that

Finally we have that:

The length of the middle segment is 7 units
They're called equivalent expressions
Answer:
if there were 8 cats then theres 8 cats, or 32 dogs
Step-by-step explanation:
Answer:
9 more games
Step-by-step explanation:
180x.45=81 wins for the red team
180x.4=72 wins for the blue team