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2 years ago

Write 45 as a product of prime factors.

Mathematics

2 answers:

Mazyrski [523]2 years ago

8 0

BlackZzzverrR [31]2 years ago

6 0

45 = 9 * 5 (5 is prime)
9 = 3 * 3 (Both 3's are prime) we are done
45 = 5 * 3 * 3 = 5 * 3^2

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dedylja [7]

Answer:

Elena's move will lead to the solution of the problem

Step-by-step explanation:

To solve the equation 7.5d=2.5d, Lin divides each side by 2.5d, and Elena subtracts 2.5d from each side. Will both moves lead to the solution? Explain your reasoning

Given:

7.5d = 2.5d

Lin divides each side by 2.5d, Lin:

7.5d / 2.5d = 2.5d / 2.5d

3 = 1

This can not be the solution to the problem because 3 can not be Equal to 1

Elena subtracts 2.5d from each side

7.5d = 2.5d

7.5d - 2.5d = 2.5d - 2.5d

5d = 0

This can lead to the solution of the problem

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