Chinedu sat down to do his homework, which included 30 math problems. He solved 2 problems each minute. Let f(n) be the number o
2 answers:
Answer: There are 14 math problems left at the beginning of 9th minute.
Step-by-step explanation:
Since we have given that
Number of math problems he has = 30
Number of problems he solved each minute = 2
We need to find the number of problems left for Chinedu to solve at the beginning of the 9th minute.
That means number of questions he solved in 8 minutes will be deducted from the total number of questions.
Number of questions he solved in 8 minutes is given by
Number of math problems solve at the beginning of the 9th minute is given by
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Answer:
Error: not
Solution:x=0 and 3
Step-by-step explanation:
We have to find the error and correct answer
Given:
Using the formula
Therefore, x=0 and x=3
But last step in the given solution
It is wrong this property is used when
then
Hence, the student wrote instead of
and solution is given by
x=0 and x=3