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sladkih [1.3K]
3 years ago
6

Look at the table. Make a conjecture about the sum of the first 10 positive even numbers.

Mathematics
2 answers:
Kazeer [188]3 years ago
7 0

Answer:

The sum of the first 10 positive even numbers is 10\times 11=110

Step-by-step explanation:

From the table, we see that,

Sum of the numbers 2+4+6+8+10=30=5\times 6=5(5+1)

That is, when there are 5 terms in the sequence, the sum is given by 5\times 6.

Then, in general, when there are 'n' terms in the sequence, the sum is given by n(n+1)

We are required to find the sum of 10 even terms.

Therefore, when there are 10 terms in the sequence, the sum will be 10(10+1)=10\times 11

<h3>Hence, the sum of the first 10 positive even numbers is 10\times 11=110</h3>
inysia [295]3 years ago
6 0
The answer is 10•11, if you look at the pattern, you don't have to solve the addition.

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