1. The surface area of a cone S is S= 
, where r is the radius of the base and l is the slant height.
2. The slant height l is found as follows:
3.
4. The answer is C
2. The slant height l is found as follows:
3.
4. The answer is C
there are 20 students in the group , 15 from them are athletes. it is taken for competition 10 students. find the probability th
2 answers:
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First, you want to get x by itself on one side. We write the equation as 
. Since 14 is being subtracted from 
, we add it to both sides to cancel it out, 
or 
.
Your answer would be D.
Your answer would be D.