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noname [10]
4 years ago
9

Which equation has no solution?

Mathematics
2 answers:
N76 [4]4 years ago
5 0
It's D because I don't see no solution
otez555 [7]4 years ago
4 0

Answer:

Option B - 24x + 32 -2.1x = 20.9x + 30 + x - 2

Step-by-step explanation:

To find : Which equation has no solution?

Solution :

We find the solution of the equations one by one,

A) 24x + 32 -2.1x = 20.9x + 30 + x + 2

Adding like terms,

21.9x+32=21.9x+32

21.9x+32-21.9x-32=0

0=0

Which means for any value of x the equation is true.

B) 24x + 32 -2.1x = 20.9x + 30 + x - 2

Adding like terms,

21.9x+32=21.9x+28

21.9x+32-21.9x-28=0

4\neq0

Which is not possible means there is no solution.

C) 24x + 32 -2x = 20.9x + 30 + x - 2

Adding like terms,

22x+32=21.9x+28

22x+32-21.9x-28=0

0.1x+4=0

0.1x=-4

x=\frac{-4}{0.1}

x=-40

This equation has a solution.

D) 24x + 32= 20.9x + 30

Adding like terms,

24x + 32-20.9x-30=0

3.1x+2=0

3.1x=-2

x=\frac{-2}{3.1}

x=-0.64

This equation has a solution.

Therefore, Option B is correct.

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write the equation of a line in slope intercept form that is parallel to the line x+5y=10 and goes through the point (-5,6)
lilavasa [31]

Answer:

The equation would be y = -1/5x + 5

Step-by-step explanation:

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In slope-intercept form, the slope is always the coefficient of x. This makes the slope of the first equation -1/5. Since parallel lines have the same slope, our new slope will also be -1/5.

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Step-by-step explanation:

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