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Dana from Sugar Land, TX's Resources

How many different ways can a committee of three men and four women be made out of a group of 12 men and 12 women?   P.S.  How would you do this with a graphing calculator (the nCr...

In lab today, we measured the actual yield and melting point of aspirin that we had made in lab last week.  Our actual yield was 2.87 grams.  The theoretical yield was 2.9 g, so the percent...

Q. Find the radius of an arc whose central angle is 92o and whose arc length is 168 cm.    A. 168 = (92/360) × 2π(pi)r       168= (92/360) × 6.28r      ...

At a hospital, in a sample group,  there are 40 patients who have lung cancer and 30 patients who are smokers.  Of these, 25 smoke and have lung cancer.  If the hospital currently...