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Zepler [3.9K]
3 years ago
12

Find the least number which is divisible by each of the number 4,8,12

Mathematics
2 answers:
AURORKA [14]3 years ago
5 0

Answer:

2

Step-by-step explanation:

2 is divisible by 4 without a remainder

2 is also divisible by 8 without a reminder

2 is also divisible by 12 without a reminder

FinnZ [79.3K]3 years ago
4 0

Answer:

24

Step-by-step explanation:

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25 (a square) - 4 (b square) + 28bc - 49 (c square)
LUCKY_DIMON [66]

Answer:

(5a - [2b - 7c]) and (5a + [2b + 7c])

Step-by-step explanation:

Factor 25a^2 - 4b^2 + 28bc - 49c^2.

Note that - 4b^2 + 28bc - 49c^2 involves the variables b and c, whereas 25a^2 has only one variable.  Thus, try to rewrite - 4b^2 + 28bc - 49c^2 as the square of a binomial:

- 4b^2 + 28bc - 49c^2 = -(4b^2 - 28bc + 49c^2), or

                                        -(2b - 7c)^2.

Thus, the original  25a^2 - 4b^2 + 28bc - 49c^2  looks like:

                               [5a]^2 - [2b - 7c]^2

Recall that a^2 - b^2 is a special product, the product of (a + b) and (a - b).  Applying this pattern to the problem at hand, we conclude:

Thus,   [5a]^2 - [2b - 7c]^2 has the factors (5a - [2b - 7c]) and (5a + [2b + 7c])

8 0
3 years ago
If I have a circle with a raduis of 2 and I want to increase the raduis to 16, what is the scale factor?
Nana76 [90]

Answer:

8

Step-by-step explanation:

2 * 8 = 16

5 0
3 years ago
Find y so that (1/4) ^-3 × (4)^8 = (1/4)^ -4y​.. help me please. I will mark brainliest
creativ13 [48]

please mark me as brainlest

7 0
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How do you find the angles in a triangle made up of two isosceles triangles? I know that one is 80 degrees but i don't know how,
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Miss Hernandez has 100 to spend on a parking at admission to the zoo the parking will cost seven dollars and admission tickets w
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