Answer:
490
Step-by-step explanation:
280÷2 is 140.
The child can do 140 revolutions in a minute.
140 times 3.5 is 490
Answer:
1
Step-by-step explanation:
do u add
Answer:
17 and 13
Step-by-step explanation:
Answer:
Option C
Step-by-step explanation:
Standard equation:
r^2 = (x-h)^2 + (y-k)^2
Radius: r
Center: (h,k)
Plug the values in.
r^2 = (x+8)^2 + (y-15)^2
Using distance formula, you conclude that the radius is 17 since the distance from (-8,15) to (0,0) is 17.
r^2 = 289
That means option C is the right answer.
289 = (x+8)^2 + (y-15)^2
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