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noname [10]
2 years ago
10

What is the missing number in this sequence? 7,10,15,22, ?, 42

Mathematics
2 answers:
Vlad [161]2 years ago
3 0

Answer:

<u><em>The missing number is 31.</em></u>

Step-by-step explanation:

7+3=10

10+5=15

15+7=22

<u>The number added goes from 3 to 5 to 7, this means each time 2 is added.</u>

Therefore, the next number would be 22+(7+2) or 22+9 which equals 31.

And to check if this fits in we can plug the 31 into the sequence.

7, 10, 15, 22, 31, 42

7+3=10

10+5=15

15+7=22

22+9=31

31+(9+2)= 31+11=42

Aleonysh [2.5K]2 years ago
3 0

Answer: 31

Step-by-step explanation: add 3 to the first and then add an extra two for each number going up. +3, then +5, then +7, etc.

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