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natka813 [3]
3 years ago
7

To subtract two rational expressions that have a common denominator, you simply _____ the numerators.

Mathematics
1 answer:
Gala2k [10]3 years ago
4 0
The answer is subtract.

For example:

\frac{3x^2 - 3}{x+2} - \frac{x^2+6}{x+2}

\frac{3x^2 - 3-x^2-6}{x+2}

\frac{2x^2-9}{x+2}
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Y=3x-4 find the slope of a line parallel to and perpendicular
kirill115 [55]

Answer:

Step-by-step explanation:

Y=3x-4

Slope of this line = 3

Slope of the line parallel to this line = 3    {slope of parallel lines are equal}

Slope of the line perpendicular to this line = -1/3    {product of the slope of perpendicular lines= -1}

8 0
3 years ago
Estimate the difference by rounding to the nearest thousand and 35,792-24,700 to
coldgirl [10]
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8 0
3 years ago
Can someone help me out with this question?
adelina 88 [10]
3x/4 - x/3

To simplify this, we need to first find a common denominator, or the Greatest Common Factor (GCF) of the two denominators (4 and 3).  The GCF of 3 and 4 is 12. 

Now, we have to multiply the numerator AND denominator of each individual term by the same factor such that the denominator equals 12.

So for the first term, 3x/4, we know that 12/4 = 3, therefore we need to multiply the fraction by 3/3, which is equivalent to 1.

3x/4 * 3/3 = 9x/12

Now, let's do the same for the other term x/3.  We know that 12/3 = 4, therefore we need to multiply the fraction by 4/4, which is equivalent to 1.

x/3 * 4/4 = 4x/12

Now, lets substitute these equivalent fractions back into the original expression.

3x/4 - x/3 = 9x/12 - 4x/12 = 5x/12

Thus, your answer is #4, or 5x/12
7 0
3 years ago
Please help ill give brainliest
andrew-mc [135]

Answer:

y = 4 and "boundary point"

7 0
2 years ago
the side pieces of a dog house are 10 1/4 inches long.How many pieces can be cut from a board measuring 61 1/2
bearhunter [10]

Answer:

Step-by-step explanation:

all of them

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