Becky323
06.01.2022 •
Mathematics
If b = 3/x + 3/y
what is the value of 1/b
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Ответ:
Step-by-step explanation:
Find b first:
b = 3/x + 3/yb = (3x + 3y)/xyFind 1/b:
1/b = 1 : (3x + 3y)/xy1/b = xy / (3x + 3y)Ответ:
Step-by-step explanation:
First, add up the weight of all of the bags. Then divide the total weight of all of the bags by the number of bags. That is how to calculate the average weight.
Example:
Bag 1 = 10 pounds
Bag 2 = 20 pounds
20 + 10 = 30
30 / 2 = 15
15 pounds is the average weight