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Inga [223]
2 years ago
13

Find the greatest common factor 28 and 12 use the GCF to factor 28+12.

Mathematics
1 answer:
fgiga [73]2 years ago
5 0

Answer:

(a) 4

(b) 4 * (7+3)

Step-by-step explanation:

(a) Let's first start by prime factorizing (finding the prime factors) 28 and 12:

12: 2*2*3

28: 2*2*7

We can see here they both share a common factor of 2*2, which is 4, therefore the GCF is 4.

(b) Factor a 4 out from the equation:

4*(\frac{28}{4}+\frac{12}{4})

This gives us:

4 * (7+3)

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<h3>The dimension of the matrix?</h3>

From the figure in the question, we have the following highlights:

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