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Vera_Pavlovna [14]
2 years ago
14

Please help which of the following is equivalent to x^-1/2?

Mathematics
2 answers:
marin [14]2 years ago
7 0

Answer:

-1

Step-by-step explanation:

-1/2(2)=-1

kondor19780726 [428]2 years ago
5 0

x^{-1/2} \\\\=\dfrac 1{x^{1/2}}\\\\\\=\dfrac 1{\sqrt x}

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Y+x=1 show whether x and y show direct variation ​<br><br><br>plzz helpp
Thepotemich [5.8K]

Answer:

No

Step-by-step explanation:

Please write:  "Determine whether y+x=1 shows direct variation."

No, it does not, because of the constant term, 1.

If we were to eliminate the 1 and write y + x = 0, then yes, this would represent direct variation.

7 0
2 years ago
Y=(3/5)x -3 and 5y =3x-10 these lines are and the second question?
azamat
Look at the first line:  y = (3/5)x - 3.  What happens if you multiply each term by 5, to eliminate the fraction?

5y = 3x - 3

Compare this to the second equation, 

5y - 3x = -10, or 5y = 3x - 10.

The coefficients of x and y (as 3 and 5 here) determine the slope of a straight line.  Since 5y = 3x is present in both equations, the two lines MUST be parallel.



y = 4
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y+4 and y =3/2 are both horizontal lines.  Since they are horiz., they are parallel.


4 0
3 years ago
a triangle has a perimeter of 10x+2 . two sides have lengths of 5x and 2x+9 what is the length of the 3rd side
stiks02 [169]
Since all the sides add up to 10x+2, that means that 10x-2-<side1>-<side2>=<side3>. Plugging it in, we have 10x-2-5x-(2x+9)=side3, and 5x-2-(2x+9)=side3, then expanding it to 5x-2-2x-9=3x-11=side3
8 0
3 years ago
Which point on the coordinate plane is closest to ______ ?
Vinvika [58]

Answer:

its point D hope this helps :)

5 0
2 years ago
Read 2 more answers
Rewrite 5/6 with the denomintaior of 12
svp [43]
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2 years ago
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