Answer:
Write the sequence:
57,61,65,69,73,77,81,85,89
Type of Sequence:
Arithmetic sequence
What is asked:
What will be his score on his 9th quiz?
Formula used:
an=a1+(n-1)d
Step-by-step explanation:
Solution
a9=57+(9-1)4
a9=57+(8)4
a9=57+32
a9=89
a1=57 first term
n=9 because we're looking for the 9th term
d=4 61-57=4
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Answers & Comments
Answer:
Write the sequence:
57,61,65,69,73,77,81,85,89
Type of Sequence:
Arithmetic sequence
What is asked:
What will be his score on his 9th quiz?
Formula used:
an=a1+(n-1)d
Step-by-step explanation:
Solution
a9=57+(9-1)4
a9=57+(8)4
a9=57+32
a9=89
a1=57 first term
n=9 because we're looking for the 9th term
d=4 61-57=4