Answer:
3.29 s
Step-by-step explanation:
We are given that
Height of building=240
Initial velocity=20ft/s
The height of the ball after t seconds is given by
When the ball strike the ground then
h(t)=0
Quadratic formula:
Using the quadratic formula
Time cannot be negative .Therefore,
t=3.29 s
The area of the room would be 380.25 feet
78 / 4 = 19.5 (you do this to figure out how long each side of the room is)
19.5 * 19.5 = 380.25 feet (length times width equals area. Each side of the room is 19.5 feet so you would multiply 19.5 by 19.5)
The answer is the 3rd option, y>2/3x+3
This is because first of all, the slope is 2/3x I figured out it was 2/3 because I picked two points, (0,3) and (-3,1). Then I found slope which was 2/3x. I looked at the graph, and the y-int was 3 so good so far. Then I put y is GREATER because it’s shading above the line!!!
"Best way to solve this equation" is very, very broad.
You could solve this equation two ways:
You could solve for x, or you could solve for k.
K has already been solved for, as it is equal to x^2.
We can also solve for x.
x = √k