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vitfil [10]
3 years ago
8

For what value(s) of x is the fraction 5x-10/x^2-25 undefined?

Mathematics
1 answer:
EleoNora [17]3 years ago
8 0

Answer:

+5 or -5.

Step-by-step explanation:

Given equation,

5x-10/x^2-25

When you divide something with zero, it becomes undefined. So, to be undefined, x will have to be that value which makes the divisor zero.

Now,  x^2-25= 0

Or, x^2= 25

Or, x= +5,-5.

So, for the value +5 and -5, the divisor becomes zero and makes the whole equation undefined.

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Use the distributive property to rewrite the following expression.
Gekata [30.6K]
Answer: 2n-8

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then 2 x -6 = -12
New equation 2n-12 +4
Now you combine-12 and 4 which is -8
Finale equation: 2n-8
7 0
3 years ago
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Please Hurry). Question: What is the value of x? (Will Mark Brainliest) Please only answer if you know it.​
aleksklad [387]

Answer:

111

Step-by-step explanation:

The sum for a 7-sided interior polygon is 900

126+158+120+125+121+139=789

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2 years ago
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What is the equation of the line perpendicular to 3x+y= -8that passes through -3,1? Write your answer in slope-intercept form. S
Gekata [30.6K]

Slope intercept form of a line perpendicular to 3x + y = -8, and passing through (-3,1) is y=\frac{1}{3} x+2

<u>Solution:</u>

Need to write equation of line perpendicular to 3x+y = -8 and passes through the point (-3,1).

Generic slope intercept form of a line is given by y = mx + c

where m = slope of the line.

Let's first find slope intercept form of 3x + y = -8

3x + y = -8

=> y = -3x - 8

On comparing above slope intercept form of given equation with generic slope intercept form y = mx + c , we can say that for line 3x + y = -8 , slope m = -3  

And as the line passing through (-3,1) and is  perpendicular to 3x + y = -8, product of slopes of two line will be -1  as lies are perpendicular.

Let required slope = x  

\begin{array}{l}{=x \times-3=-1} \\\\ {=>x=\frac{-1}{-3}=\frac{1}{3}}\end{array}

So we need to find the equation of a line whose slope is \frac{1}{3} and passing through (-3,1)

Equation of line passing through (x_1 , y_1) and having lope of m is given by

\left(y-y_{1}\right)=\mathrm{m}\left(x-x_{1}\right)

\text { In our case } x_{1}=-3 \text { and } y_{1}=1 \text { and } \mathrm{m}=\frac{1}{3}

Substituting the values we get,

\begin{array}{l}{(\mathrm{y}-1)=\frac{1}{3}(\mathrm{x}-(-3))} \\\\ {=>\mathrm{y}-1=\frac{1}{3} \mathrm{x}+1} \\\\ {=>\mathrm{y}=\frac{1}{3} \mathrm{x}+2}\end{array}

Hence the required equation of line is found using slope intercept form

4 0
3 years ago
What is the coefficient of the xy term in the expression below? <br> 2x + 3y - 4xy - 10
alukav5142 [94]

For this case we have the following expression:

2x + 3y-4xy-10

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3x + 5

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-4 is the term that accompanies the variables xy.

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3 years ago
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Yara has 2 rectangular gardens in her backyard. The smaller garden is 1/2 foot long and 2/3
dimulka [17.4K]

Dimension of smaller garden :

l = 1/2 ft.

b = 2/3 ft.

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Area of small garden = \dfrac{1}{2}\times\dfrac{2}{3}=\dfrac{1}{3}\ ft^2

Area of big garden =4\times x=4x\ ft^2

Hence, this is the required solution.

5 0
3 years ago
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