Answer:
Step-by-step explanation:
l=8

Given :
A 2.8 m ladder is to be laid against a wall so that the top of the ladder is 2 m up the wall.
To Find :
How far out from the base of the wall should the ladder be placed.
Solution :
We know, the angle between floor and height is 90° .
Now, length of ladder, l = 2.8 m .
Height of wall, h = 2 m .
Let, distance between base of the wall and ladder is b .

Hence, this is the required solution.
Answer:
x≥4 and x≥4
just reverse the greater than to a less than
Step-by-step explanation:
There are 5 data values.
Mean = (22 + 37 + 49 + 15 + 83) / 5 = 41.2
Answer:
8x^2-8.76x+2.92
Step-by-step explanation:
Factor using FOIL and then simplify