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Oxana [17]
3 years ago
12

Solve: 3/x-4 >0 x < 4 x > -4 x > 4 x < -4

Mathematics
2 answers:
kolezko [41]3 years ago
7 0

Answer:

x>4

Step-by-step explanation:

3/(x-4) >0

Divide each side by 3

3/(x-4) * 1/3 >0*1/3

1/(x-4) >0

We know if 1/(x-4) >0 then x-4 > 0

x-4>0

Add 4 to each side

x-4+4 >0+4

x>4

IgorLugansk [536]3 years ago
5 0

\boxed{\large{\bold{\textbf{\textsf{{\color{blue}{Answer}}}}}}:)}

:\implies{\dfrac{3}{x-4}>0}\\\\:\hookrightarrow{\dfrac{3}{x-4}×\dfrac{1}{3}>0×\dfrac{1}{3}}\\\\:\longrightarrow{x-4>0}\\\\:\implies{x-4+4>0+4}\\\\ :\dashrightarrow{\sf{x>4}}

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Maria average 81 on her first three History exams. the first score was 83. The second score was 4 less than the third score. Wha
bogdanovich [222]

Answer:

76 on second exam, 80 on third exam

Step-by-step explanation:

First, find the total of all 3 test scores by multiplying the average by the number of elements. 81 · 3 = 243.

The first score is 83 so 243 - 83 = 160. 160 is the other two test scores combined.

To find the other 2 scores, divide 160 by 2, which is 80.

The second score is 4 less so it will be 76. The third score is 80.

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3 years ago
Explain what it means for a scatter plot to have a positive relationship
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The dots on the scatter plot are all going up
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3 years ago
10 + 14x - 18 = 16x + 22 -8x​
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If looking for x:

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8 0
3 years ago
Read 2 more answers
Solve for y. 3=7(1-1)<br><br>(it isn't 2)​
laiz [17]

Answer:

First off, I can't solve for y, there is no y variable.

Second, 3 = 7 ( 1 - 1 ) is not true because 3 ≠ 0 ( 3 doesn't equal 0 ) :

3 = 7 ( 1 - 1 )

3 = 7 ( 0 )  ( Simplify Parenthesis )

3 = 0 ( Multiply 7 and 0 )

3 ≠ 0

4 0
3 years ago
Draw and classify the polygon with the given vertices. Find the perimeter and the area of the polygon. A(-2,3), B(2,3), C(4,-1),
leva [86]

Answer:

Trapezoid

21 is the perimeter.

24 is the area.

Step-by-step explanation:

Let's do the perimeter first, 8 + 4 = 12.

Now we have to get the side lengths. We can do this by using the Pythagoras Theorem by making an imaginary line to form a right triangle.  The lengths are 2 and 4. So, 4 + 16 = 20. Square root of 20 + square root of 20 = ~9

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21 is the perimeter.

Now, let's solve the area. The a is 4, b is 8. So 4 + 8 = 12/2 = 6. The height is 4 so 6 * 4 = 24.

24 is the area.

Hope this helped ya

:)

6 0
3 years ago
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