Answer:
D. 4
Step-by-step explanation:
First find the area of 1 tile
= length * breadth
= 8 * 5
= 40= 40/10000 = 0.004
no. of tiles= 1000
therefore, total area of 1000 tiles = area of room= 1000*0.004
=4
Avery had $25.38 in her wallet. If she bought lunch with 9 1/2 dollars from her wallet, how much money did she have in her walle
2 answers:
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t = 1.33 sec
Solution:
Given data:
Velocity = 17.5 ft/s
Height = 5 ft
The height can be modeled by a quadratic equation
where h is the height and t is the time
a = –16, b = 17.5, c = 5
It looks like a quadratic equation. we can solve it by quadratic formula,
Time cannot be in negative. So neglect t = –0.235.
t = 1.33 sec
Hence Amy have to react 1.33 sec before the volleyball hits the ground.