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Marina CMI [18]
3 years ago
15

What is the HCF and LCM of 84 and 210​

Mathematics
2 answers:
lesantik [10]3 years ago
7 0

Answer:

Step-by-step explanation:

The attached file contains the solution

gayaneshka [121]3 years ago
6 0

Answer:

its 42

Step-by-step explanation:

i took it edg

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Write your answer without using negative exponents
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Answer:

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Step-by-step explanation:

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I need to show how to find these solutions 1/4 and 3/4 by completing the square!
Arlecino [84]

Answer:

See explanation, and ask for more details if unclear!

Step-by-step explanation:

The perfect square of this equation is x^2-x+\frac{1}{4}, since the square would be (x-\frac{1}{2})^2. 1/4=4/16, meaning that you can set up the equation in the following way:

(x^2-x+\frac{1}{4})-\frac{1}{16}=0

(x-\frac{1}{2})^2=\frac{1}{16}

Take the square root of both sides:

x-\frac{1}{2}=\pm \frac{1}{4}

Add 1/2 to both sides:

x=\frac{1}{2}\pm \frac{1}{4}=\frac{3}{4}, \frac{1}{4}. Hope this helps!

8 0
3 years ago
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Romashka-Z-Leto [24]
B. 12/18
Upon simplifying this fraction (taking a 3 out of the numerator and denominator), you end with 4/6
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