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Nina [5.8K]
3 years ago
15

What is the ninth term in the sequence an=21+5n

Mathematics
1 answer:
Anni [7]3 years ago
4 0

Answer:66

Step-by-step explanation:

an=21+5n

ninth term is a9

a9=21+5x9

a9=21+45

a9=66

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7 0
4 years ago
100-[(25/5) *10]= ? Not understanding, please help
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Original Question:
100 - [(25/5) x 10] = ?
Note: Always answer what's inside FIRST. In this case, the main ts the brackets, but there's also parenthesis in it too. So solve that.
→100 - [(5) x 10] = ?
Now, solve what's inside the brackets.
→100 - [50] = ?
Well, you can get rid of the brackets.
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Subtract!
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4 0
3 years ago
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6 0
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