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kodGreya [7K]
2 years ago
15

What are the factors of 30 that have a sum of -11

Mathematics
1 answer:
Fed [463]2 years ago
8 0

Answer:

Why is 42 the sum of all factors of 30, excluding 30? The factors of the number 30 are: 1, 2, 3, 5, 6, 10, 15, 30.

Step-by-step explanation:

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Find the general term of the sequence<br>c.1 { 10, 5, 0, -5, -10 }<br>c.2 { 1, 4, 9, 16, 25 }​
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Answer:

1. 15 - 5n where n>=1

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Step-by-step explanation:

1. {10, 5, 0, -5, -10} is an Arithmetic Progression

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where a = first term, n= nth term, d= common difference.

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Test:

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if n = 2; 15 - 5(2) = 5

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2. {1, 4, 9, 16, 25}

The general term of the sequence is n²

Test:

if n = 1; 1² = 1

if n = 2; 2² = 4

if n = 3; 3² = 9 and so on.

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It just is

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