Answer: C
Step-by-step explanation: C is the correct answer because if you look at it, the only things that are changed around is the order of which the equation is . All the other ones, the parenthesis are moved around and when they are moved around, the equations become nonequivalent. Hope this helps! Please let me know if this is helpful or if you still don't understand
Answer: 6
Step-by-step explanation:
(5+1)^2-(11+3^2)
25+1-11+9
26-20
=6
The distance from the edge of the fountain to the centre is approximately 23.87 inches.
The water fountain forms a circle. The distance around the water fountain is the circumference of the circle formed.
Therefore,
circumference = 2πr
150 = 2πr
The distance from the edge of the fountain to the centre is the radius of the circle formed. Therefore,
75 = πr
r = 75 / 3.14159
r = 23.8732616287
r = 23.87 inches
The distance from the edge of the fountain to the centre is approximately 23.87 inches.
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