Ok and I also need help on this one ! thank you if you can !
1 answer:
Answer:
try y3 and y
x-5
Step-by-step explanation:
It's been a few years since I've had to solve one of these but here's what I remember:
USE THE GRAPH!!!!
-Use shading to find equation-
shades under the line
shades over the line
-Use lines to find numbers-
Y-Intercepts: where the line crosses the y-axis.
Slope: Rate in which the line inclines or declines.
***WARNING***
I very well could be incredibly WRONG, so be aware of that and check before taking someones word. However I hope this is right and it helps.
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Answer: It will take 4 seconds for the rock to hit the water.
Step-by-step explanation:
Given : Benjamin threw a rock straight up from a cliff that was 48 ft above the water.
If the height of the rock h, in feet, after t seconds is given by the equation
To find : Time taken for the rock to hit the water.
When rock hit the water height becomes zero , i.e. put h = 0 , we get
Divide equation by 2 , we get
The Laue of x for ax²+bx+c =0 is
So ,
Since t cannot be negative , so t= 4
Hence, it will take 4 seconds for the rock to hit the water.