Answer:
1333
Step-by-step explanation:
(y^2-y-12)/(y^2-2y-15) factor both the numerator and denominator...
(y^2-4y+3y-12)/(y^2-5y+3y-15)
(y(y-4)+3(y-4))/(y(y-5)+3(y-5))
((y-4)(y+3))/((y-5)(y+3)) so the (y+3) terms cancel leaving
(y-4)/(y-5)
Answer:
The window is 8 meters high.
Step-by-step explanation:
Answer:
x=-1/5
Step-by-step explanation:
2x2-x-1=0
-4x-x-1=0
-5×-1=0
-5×=1
×=-1/5
1) 
(given)
2) 
(reflexive property)
3) 
and 
are right angles (perpendicular lines form right angles)
4) 
(AAS)
