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Lemur [1.5K]
4 years ago
12

Please help!!!!!!!!!!!

Mathematics
1 answer:
IRISSAK [1]4 years ago
4 0

Answer:

15

Step-by-step explanation:

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How many Solutions does 6 + x/5 = x/5 - 5 - 3x/10 have?
klasskru [66]

9514 1404 393

Answer:

  1 solution (x = -36 2/3)

Step-by-step explanation:

  6 + x/5 = x/5 - 5 - 3x/10 . . . . . . . given

  60 +2x = 2x -50 -3x . . . . . . . . . multiply by 10

  3x = -110 . . . . . . . . . . . . . . . .  add x-60 to both sides

  x = -110/3 = -36 2/3 . . . . . .divide by the coefficient of x

There is one solution to the equation.

_____

<em>Additional comment</em>

The coefficient of x on the left side of the equation is not equal to the coefficient of x on the right side. When that is the case, the equation will have one solution.

When the coefficients are equal, there will be no solutions if the constants are different, and there will be infinite solutions if the constants are the same.

6 0
3 years ago
Find the x-intercept and y-interceppt of each graph
Paha777 [63]

Answer:

11.) y-int:(0,1); x-int:(1,0)

12.) y-int:(0,8); x-int:(4,0)

13.) y-int:(0,-9); x-int:(-3,0)

14.) y-int:(0,-5); x-int:(-2.5,0)

Step-by-step explanation:

For each equation, first you have to graph it. Then to find the y-intercept, you mark and check where your line of your equation intersects the y-axis. To find the x-intercept, you mark and check where the line of your equation intersects the x-axis. The y-intercept always will have the coordinates of x=0 and the x-intercept always will have the coordinates of y=0.

5 0
3 years ago
Which of these points will lie on quadrant II of a coordinate plane?
saveliy_v [14]

Answer:

B. D (-4, 3)

Step-by-step explanation:

In quadrant II x value is -ve and y value is positive.

7 0
3 years ago
Given AC with A(3, 4) and C(-9, -2), if B
babymother [125]

Answer:

B = (- 4, \frac{1}{2} )

Step-by-step explanation:

Using the Section formula

x_{B} = \frac{7(-9)+5(3)}{7+5} = \frac{-63+15}{12} = \frac{-48}{12} = - 4

y_{B} = \frac{7(-2)+5(4)}{7+5} = \frac{-14+20}{12} = \frac{6}{12} = \frac{1}{2}

Thus coordinates of B = (- 4, \frac{1}{2} )

6 0
3 years ago
Suppose a student is totally unprepared for a five question true or false test and has to guess for every question. Getting one
MrRa [10]

Answer:

1/32

Step-by-step explanation:

½×½×½×½×½ = 1/32

3 0
3 years ago
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