Answer:
3m+2=11
Step-by-step explanation:
Because equation is joined with equal sign
Answer:

Step-by-step explanation:
we know that
The total area of the figure is equal to the area of the square plus the area of the triangle
step 1
Find the area of triangle
The area of triangle is equal to

where
b is the base of triangle (is the same that the length side of the square)
h is the height of triangle
we have

Applying the Pythagorean Theorem
Find the length side b




Area of triangle

step 2
Find the area of the square
The area of the square is

we have

substitute

step 3
Find the total area of the figure
Adds the areas

Answer: The the speed of elevators is 22.55.
Explanation:
It is given that observation deck of the willis tower in Chicago Illinois is 1353 feet above the ground elevators lift visitors to that level in 60 seconds.
The speed is the change in distance with respect to time.

From the given information the total distance is 1353 and the total time is 60 seconds. So by the above formula we get,


Therefore, the speed of elevators is 22.55.