Let R = 250 ft. & r = 200 ft.
Now, Area of Gravel Path =
= πR² - πr²
= π(R²-r²)
Area of Gravel Path =
π ( 250² - 200² )
π ( 62500 - 40000 )
π ( 22500 )
Taking π as 3.14
As Option is nearest to our answer,
that means it will be right.
So,
Answer will be (c) 70686 ft.²
Solve for x=0
2×0+3y=6
3y=6
y=6/3
y=2
intersect y- axis at (2,0)
13. Minus 4
14. Minus 200
15. Minus 30
(a) 1/3 hour plus 1/2 hour is 5/6 hour. The LCD here is 6.
(b) That would be 7 times 5/6 hour, or 35/6 hours, or 5 5/6 hours.
(c) Convert 35/6 hours (from part b) into minutes:
35 hours 10 min 350 min
------------ * ----------------- = ------------- = 350 min
6 (1/6) hr 1