Answer:
Step-by-step explanation:
In this problem, we need to write the factor form of expression .
It can be done as follows :
Taking common form the terms as follows :
It can be also written as :
Hence, the factored form of is
There are 42 boys and girls participating in an essay-writing competition. Of the competitors, 21 are in seventh grade, 14 are i
2 answers:
Answer: Our required probability is 0.34.
Step-by-step explanation:
Since we have given that
Number of seventh grade student s= 21
Number of eight grade students = 14
Number of ninth grade students = 7
Total number of boys and girls = 42
Probability of an eigthth grader winning the competition would be
Hence, our required probability is 0.34.
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