40/5= 8 is the mean..........
Answer:
-1
because you are adding up to 0 to get back to the positive.
I believe the building is 75.5 meters long
Answer:
c. number shows the proportional relationship between x and y...
Answer: 25
Assuming the dotted line touches the middle of the base of the triangle,
Using Pythagoras Theorem,
(30/2)^2 + (20)^2 = x^2
x^2 = (15)^2 + 400
x^2 = 625
x = √625 or -(√625)
x = 25 or -25
But since x needs to be a positive value,
x = 25