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posledela
2 years ago
5

Find the GCF of 6 and 21 A. 126 B. 21 C. 3 D. None of the above

Mathematics
2 answers:
vladimir2022 [97]2 years ago
6 0

Answer:

C. 3

Step-by-step explanation:

6 = 2 \times 3 \\  \\ 21 = 3 \times 7 \\  \\  \because \: common \: factor = 3 \\  \\  \therefore \: gcf \: of \: 6 \: and \: 21 = 3

Marat540 [252]2 years ago
4 0

Answer:

C. 3

Step-by-step explanation:

Prime Factorization of 6:  2 × 3

Prime Factorization of 21:  3 × 7

Common Factors of 6 and 21: 3

So the greatest common factor of 6 and 21 is 3, that is, GCF of 6 and 21 is 3.

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Nat2105 [25]
Kindly refer to attachment for solution.


Hope it helps ^_^

5 0
3 years ago
Read 2 more answers
Find the LCM (least common multiple) of (5x-9) and (3x+8)
bixtya [17]
LCM((5x-9),(3x+8))=(5x-9)(3x+8)
3 0
3 years ago
Solve x3 = 1/8. Please help Will mark brainliest
I am Lyosha [343]

Answer:

here's the steps

Step-by-step explanation:

first, you need to get x by itself.In order to do that you need to do the opposite to the other side. ex: x5= 1/10; what you would do is divide 1/10 by 5 to get x = 0.5 , 5/10

5 0
3 years ago
PLEASE ANSWER!!!!!
Elenna [48]

Answer:

There is a significant difference between the means of the two population

Step-by-step explanation:

The mean number of catfish caught daily at Lake Martin is 85, with the number of catfish ranging from 75 to 140.

Range = 140 - 75 = 65

The mean number of catfish caught daily at Smith Lake is 104, with the number of catfish ranging from 96 to 183.

Range = 183 - 96 = 87

Difference in mean = 104 - 85 = 19

If the confidence interval includes 0 we can say that there is no significant difference between the means of the two populations, at a given level of confidence

But by considering the mean difference and the value of range, we can say that

There is significant difference between the means of the two population

3 0
2 years ago
2abc - 3ab = -30? if a =2, b = -3 and c= 4
velikii [3]

Is your question true or false?

2abc - 3ab = -30? if a =2, b = -3 and c= 4

plug in

2(2)(-3)(4) - 3(2)(-3) = -30

Simplify

-48 + 18 = -30

-30 = -30

Both sides are equal so

It's true.


6 0
3 years ago
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