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antoniya [11.8K]
2 years ago
6

Find the LCM of 18 and 45 using prime factorizations. ​

Mathematics
2 answers:
Otrada [13]2 years ago
8 0

Answer:

90

Step-by-step explanation:

18/3

6/3

2/3

45/3

15/3

5/3

Take 5/3 and 2/3

5*3*2*3

90

Valentin [98]2 years ago
4 0

Answer:

The L.C.M. of 18 and 45 is 90.

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The you add 2250015 to 1650650 and the answer is 3900665 so you divide

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And to the nearest ten is 517.3 because 2 is below five to round up

Final answer— 517.3

Hope this helps
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<u><em>Explanation:</em></u>
<u>The given expression is:</u>
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<u>1- Take the negative as a common factor from both the numerator and the denominator. This will give us:</u>
\frac{-(85n^2+27n-76)}{-(17n+19)}

<u>2- Cancel out the negative sign (common factor) from the numerator and denominator. This will give us:</u>
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<u>3- Factor the numerator. This wil give:</u>
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<u>4- Finally, cancel out the (17n+19) which common in both numerator and denominator. This will give us the final expression:</u>
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Hope this helps :)
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