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Readme [11.4K]
3 years ago
10

Find the 9th term in the following arithmetic sequence -7, -1, 5, 11

Mathematics
2 answers:
Masja [62]3 years ago
6 0

Answer:

41

Step-by-step explanation:

calculate the difference between each number and find out how many are left in the sequence and multiply by that

in this case the difference was 6 and you needed 5 more until you hit the ninth number so 5*6+30 30+11=41

inn [45]3 years ago
3 0

Answer:

41

Step-by-step explanation:

1. Multiply 5 by 6 in order to get to the 9th number. (5 places away, 4 were given.) Also, notice that the difference between all of the numbers are consistently 6.

2. Add 30 to 11, which gives you 41.

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At a local school the ratio of boys to girls was 8 to 9 if there were 117 girls how many boys were enrolled in the school?
lilavasa [31]

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Step-by-step explanation:

Given,

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