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Vesnalui [34]
2 years ago
9

-3x +y =12 -y + 9x =0 Método de Sustitución :v SDLG

Mathematics
1 answer:
zlopas [31]2 years ago
5 0

Answer:

it is 3

Step-by-step explanation:

3×3487+7+7+8+8+8++7+7

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Answer:

how many brothers do you have?

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2 years ago
4/9÷1 7/15
guajiro [1.7K]

9514 1404 393

Answer:

  10/33

Step-by-step explanation:

The usual approach (if your calculator won't do this for you) is to convert the mixed number to an improper fraction, then perform the division. That division can be accomplished by multiplying the numerator by the inverse of the denominator.

  1 7/15 = (15+7)/15 = 22/15

Then ...

  (4/9)/(22/15) = (4/9)(15/22) = (2·2·3·5)/(3·3·2·11) = (2·5)/(3·11) = 10/33

_____

<em>Alternate solution</em>

Both fractions can be given the same denominator:

  4/9 = 20/45

  1 7/15 = 22/15 = 66/45

Now, the division is ...

  (20/45)/(66/45) = 20/66 = 10/33

6 0
2 years ago
Please help will give brainliest
Ivanshal [37]
The answer will be A
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3 years ago
How do i solve this?
timofeeve [1]

(f - g)(x) = f(x) - g(x)

… = (3x² - 4) - (4x + 1)

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