Answer:

Step-by-step explanation:
a^2+b^2=c^2
5^2+b^2=16^2
25+b^2=256
b^2=231
b=
Answer: There are 5 red pencils, 16 blue pencils and 23 brown pencils.
Step-by-step explanation:
Since we have given that
Number of red pencils = 5
Number of blue pencils are 11 more than red pencils.
So, Number of blue pencils would be

Number of brown pencils are 7 more than blue pencils.
So, number of brown pencils would be

Hence, there are 5 red pencils, 16 blue pencils and 23 brown pencils.
Answer:
Weighted average is the average of a set of numbers, each with different associated “weights” or values. To find a weighted average, multiply each number by its weight, then add the results.
Step-by-step explanation:
Answer:
-36
Step-by-step explanation:
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