bob7220
30.08.2020 •
Mathematics
Solve for y.
4y2 = 7y+2
If there is more than one solution, separate them with commas.
If there is no solution, click on "No solution."
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Ответ:
y=-1/4, 2.
Step-by-step explanation:
4y^2=7y+2
4y^2-7y-2=0
factor,
(4y+1)(y-2)=0
zero property,
4y+1=0, y-2=0,
4y=0-1=-1,
y=-1/4,
y=0+2=2.
Ответ:
125 m/min
Step-by-step explanation:
Find the rate (speed) as follows:
25 meters
= (125/1) meters/min = 125 m/min
(1/5) minute
This is equivalent to about 380 ft/min