Half of the distance from one side, through the middle, to the other side.
circumference: 3.14*radius*2
Remember that 45%=45/100=0.45
So if the tennis player serves the ball 300 times, and 45% cannot be returned, then we can use the following expression to solve for the answer:
300*0.45=135serves
Answer: 135 serves will not be returned
Im assuming you mean 20pence? if so its 5 twenty pence in a pound so times 5 by 9 gives you 45
so there are 45 twenty pence in £9
Joker-4
queen-3
king-6
joker+king+queen=13
Answer:
I think it is 1 student per 15 min
Step-by-step explanation: