Answer:
y=3x^2 -15x-42
Step-by-step explanation:
Step-by-step explanation:
pythagoras theorem: c²=a²+b²
Where c= longest side of a right angle triangle
AB= 6+r = c
AD= 12 =a
CD= r =b
(6+r)² = 12²+ r²
36+12r+r² =144 +r²
12r+r²-r²=144-36
12r=108
r= 108/12
r=9
Answer:
x=4
if that is what you need hope this helped
Step-by-step explanation:
Answer: 4
Step-by-step explanation:
Hello! Your answer is 4 1/6!
Enjoy your day and good luck!
