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lesya [120]
3 years ago
15

What is the value of x in the equation 0.2(x + 1) + 0.5x = –0.3(x – 4)?

Mathematics
2 answers:
Kisachek [45]3 years ago
8 0
I hope this helps you



0,2x+0,2+0,5x= -0,3x+1,2


0,7x+0,3x=1,2-0,2


x=1
valkas [14]3 years ago
8 0

Answer:

The value of the x is 1 .

Step-by-step explanation:

As given the expression in the question.

0.2(x + 1) + 0.5x = –0.3(x – 4)

Now first open the bracket

0.2x + 0.2 + 0.5x = –0.3x – 4 × -0.3

0.2x + 0.2 + 0.5x = –0.3x + 1.2

0.2x + 0.5x + 0.3x =  1.2 - 0.2

1.0x =  1.0

x = \frac{1.0}{1.0}

x = 1

Therefore the value of the x is 1 .

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5 0
3 years ago
Read 2 more answers
Write an equation in slope-intercept form of the line shown. (-4,0) and (1,-5)
Irina18 [472]

The slope intercept form is y = -x - 4

To find the slope intercept form given a couple of points, start by finding the slope using the slope equation.

m(slope) = (y2 - y1)/(x2 - x1)

m = (-5 - 0)/(1 - -4)

m = -5/5

m = -1

Now we look for the intercept using slope intercept form, our slope and a point.

y = mx + b

0 = -4(-1) + b

0 = 4 + b

-4 = b

Now we can use those two things top model the equation.

y = -x - 4

5 0
3 years ago
Show that the line 4y = 5x-10 is perpendicular to the line 5y + 4x = 35 ​
Shkiper50 [21]

Step-by-step explanation:

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8 0
3 years ago
The graph of g(x) is the result of translating the graph of f(x) (1\2)x = three units to the left. What is the equation of g(x)?
tangare [24]
The equation f(x)= \frac{1}{2}x is plotted on graph below (red line)

Translating f(x) three units to the left can be done by choosing  any coordinates on f(x).

Let choose (0,0) and (2,1)
Translating 3 units on to the left gives the new coordinates (0-3, 0)=(-3,0) and (2-3, 1)=(-1, 1)

The gradient of the two functions will stay the same since the lines are parallel to each other, so m = 0.5

By joining the two coordinates (-3,0) and (-1,1), we see that the translated line crosses y-axis at 1.5

The equation of translated line is given
g(x)=0.5(x-(-3))
g(x)=0.5(x+3)
g(x)=0.5x+1.5

4 0
3 years ago
What is this answer
Radda [10]

use the distance formula

\sqrt{(x2-w1)^{2} +(y2-y1) ^{2}  }

You ll need to do it t times:

                       x1     y1      x2    y2

(-1, 5) (4, 2) =   (-1,     5)     (4,     2)

(4, 2) (0,0)

(0,0) (5,5)

(5,5) (-1, 5)

then add all your results

4 0
3 years ago
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