Please help! 50 points An algebra class has 21 - id502115067684 от issapolly 06.05.2023 16:02

Question

Mathematics: Please help! 50 points An algebra class has 21 students who all participate in a welcome activity introducing themselves to each other in pairs. One student wants to know how many introductions were made. Fill in the values of n and r to complete the formula for finding the number of combinations of introductions.

issapolly · Accepted Answer

Ratios can be written 3 ways.  One way is 52:13 and another ways is 52/13.  If you look at it as a fraction, like 52/13 then that can be reduced to 4 but as a ratio would be 4/1.  this can be written 4/1, 4:1, or 4 to 1.  hope this helps...

Please help! 50 points An algebra class has 21 students who all participate in a

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