That's Intersecting Secants, and we get
EC × ED = EB × EA
(x+4)(x+4+1) = (x+1)(x+1+11)
(x+4)(x+5) = (x+1)(x+12)
x^2 + 9x + 20 = x^2 + 13x + 12
8 = 4 x
x = 2
Check: 3(14)=42 6(7)=42 good
Answer: 2
Answer:
A): Right triangle (Right angle)
B): Scalene triangle (No equal angles or side lengths)
Answer:
Below in bold.
Step-by-step explanation:
Add the elevation change to the initial elevation:
Hike 2: Final elevation = -62 + 82 = 20.
Hike 3: Final elevation = 62 + -100 = -38.
Answer:
70 times
Step-by-step explanation:
There is always a 50-50 chance on which side the coin can land, so on average, the coin lands 70 times on tales, and 70 times on heads.