Answer:
125
Step-by-step explanation:
(12-5x)^(1/2)=5x
12-5x=25x^2
25x^2+5x-12=0
25x^2+20x-15x-12=0
5x(5x+4)-3(5x+4)=0
(5x-3)(5x+4)=0
x= -4/5 and 3/5
The answer is 124 cm
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Answer:
40/3; 13.3333333333333
Step-by-step explanation:
The volume of the cone is:
(1/3)(pi)(r^2)(h) =
(1/3)(pi)(10^2)(10) =
1000pi/3
The volume of the cylinder is:
(pi)(r^2)(h) =
(pi)(5^2)(h) =
25pi(h) = 1000pi/3 -->
pi(h) = 40pi/3 -->
h = 40/3
Answer:
-3
Step-by-step explanation:
2 + 2 - 7
\ /
4 - 7
\ /
-3
