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What number i am if i am a factor of 90 but not a multiple of 6 and 9? I am greater than 10 but smaller than 20.​

Sagot :

In the given problem, apply your knowledge in algebraic expression and basic mathematics specially factoring.

In factoring, the prime number plays vital role. Prime number is a number having a factor of only one and itself. Read more: brainly.ph/question/5827736

Given:

factor of 90

not a multiple of 6 and 9

greater than 10 but smaller than 20.

Problem

Find the number.

Solution

List down all the posible factor of 90.

90 → 2 × 3 × 3 × 5 (prime number factor)

The multiple of 6 are 6, 12, 18, 24

The multiple of 9 are 9, 18, 27, 36

The factor of 90 is can be 2 and 45, 3 and 30, 6 and 15, and 5 and 18.

15 is only the number greater than 10 but less than 20, and 15 is not divisible of 6 and 9.

Answer: 15

Learn more about factoring here at https://brainly.ph/question/8822137

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