Answer:
or 10.39 rounded
Step-by-step explanation:
a²+b² =c²
6²+b²= 12²
36+b² = 144
-36 -36
b² = 108
47 would be the answer for X I think
Notice those two points on the "linear graph", the first point is at (1965 , 140) and the second point is at (1990 , 100).
the rate or average rate of change, namely the slope will then be
Deseos Graphing is a website
But you also download the app on your phone
You put in the equation you want to see graphed
x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol.