1:40 because if we think of this just like a fraction 
that simplifys down to 
and because fraction simplifications are similar (related to each other) we can concur that these would be too.
Enjoy!=)
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1.Ordenar de menor a mayor los siguientes números
2 answers:
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The square root is 
Just square the top and bottom of the fraction. 
and 
so we have 12/16 and then we reduce to 3/4
Answer:
Step-by-step explanation:
r = Radius of semicircle =
Area of semicircle is given by
The area of the semicircle is .
Let be the weight of i-th player.
1. If the mean weight of 4 backfield members on the football team is 221 lb, then
2. If the mean weight of the 7 other players is 202 lb, then
3. From the previous statements you have that
Add these two equalities and then divide by 11:
Answer: the mean weight of the 11-person team is