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3 years ago

Explain to me in words how you would find the slope of this line please

Mathematics

2 answers:

lilavasa [31]3 years ago

7 0

Answer:

slope is rise over run in other words it's the difference from one point to the other in y/x so you go from one point and count how many tiles up then how many times left or right. the slope of this line is 4

Zepler [3.9K]3 years ago

4 0

Start at the first point which in this case is (-1,-4). then go up 3 (since thats where the next point is) and over to the right 1 (since thats where the point is lol). since the line is positive, then the answer is 3/1 or 3.

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What are the excluded values of x for x + 1/ x^2-1

Snezhnost [94]

The excluded values of x are $x=1$ and $x=-1$

Explanation:

The given expression is $\frac{x+1}{x^2-1}$

The excluded values are the values in the fraction which makes the denominator equal to 0.

Thus, from the definition of excluded values, let us equate the denominator to 0.

Hence, we have,

$x^{2} -1=0$

Adding both sides of the equation by 1, we get,

$x^{2} =1$

Taking square root on both sides of the equation, we get,

$x=\sqrt{1}$

Simplifying, we get,

$x=\pm1$

Thus, the excluded values of x are $x=1$ and $x=-1$

6 0

4 years ago

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AfilCa [17]

Answer:

Step-by-step explanation:

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3 0

3 years ago

Seven feet more than the height

MArishka [77]

Answer: seven feet more than the height is h+7

Step-by-step explanation:

Let’s say height = h

Seven feet “MORE than the height” indicates that this is an addition problem. Therefore, seven feet more than the height is h+7.

3 0

3 years ago

I have a question where I need to add the mixed numbers 5 3\8 and 3 2\5 using a model and number line I have absolutely no idea

VMariaS [17]

Answer:

$8\frac{31}{40}$

Step-by-step explanation:

In representing mixed numbers on a number line, we need first to pay attention to the denominators. Here, denominators are 8 and 5, their least common multiple is 40, so, we will need to cut up space between two numbers on the number line on 40 pieces. Also, we have 5 and 3 wholes at these mixed numbers, so, our answer is going to be greater than 8.

We will cut the space between 8 and 9 on a number line on 40 pieces, and we will add $\frac{3}{8}$ and $\frac{2}{5}$ and get :

$\frac{3}{8} +\frac{2}{5} = \frac{15}{40} +\frac{16}{40} =\frac{31}{40}$

So, on a number line between 8 and 9 we need to count 31 out of 40 pieces and that is the result, 8 wholes and $\frac{31}{40}$ .

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3 years ago

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aleksley [76]

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3 years ago