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Vikki [24]
4 years ago
12

Maaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaath

Mathematics
1 answer:
Gnoma [55]4 years ago
5 0

Answer:

x = 2

Step-by-step explanation:

Since the triangle is equilateral, all the sides will be that same length.

That would mean 10x - 5 = 6x + 3

Then you can simplify the expression down to get x.

10x - 5 = 6x + 3 (add five to the other side)

10x = 6x + 8 (subtract 6x)

4x = 8 (divide)

x = 2



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arthur is hired to road test a hybrid car for three months. he drives the car an average of 85 miles a day for 91 days. how many
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Multiply the numbers
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3 years ago
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What is the equation in slope-intercept form of a line that is perpendicular to y=2x+2 and passes through the point (4, 3)?
andriy [413]

Answer:

y =  -  \frac{1}{2} x + 5

Step-by-step explanation:

<u>slope-intercept </u><u>form</u>

y= mx +c, where m is the slope and c is the y-intercept

Given line: y= 2x +2

slope= 2

The product of the slopes of perpendicular lines is -1. Let the slope of the unknown line be m.

m(2)= -1

m= -1 ÷2

m= -½

Substitute the value of m into the equation:

y= -½x +c

To find the value of c, substitute a pair of coordinates.

When x= 4, y= 3,

3= -½(4) +c

3= -2 +c

c= 3 +2

c= 5

Thus, the equation of the line is y= -½x +5.

7 0
3 years ago
200 divided by 4 equals <br>​
irina [24]

the answer for 200 divided by 4 is 50

3 0
3 years ago
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Solve these systems of equations Using the elimination method.
grandymaker [24]
A. 3x + y = 13 → 15x + 5y = 65
    x -  5y = 15 →     x -  5y = 15
                                     16x = 80
                                      16     16
                                        x = 5
                                 x - 5y = 15
                                 5 - 5y = 15
                               - 5          - 5
                                     -5y = 10
                                      -5     -5
                                        y = -2
                                 (x, y) = (5, -2)

b.    6x - y = 14
      2x + y = 12
            8x = 26
             8      8
              x = 3¹/₄
       6x - y = 14
6(3¹/₄) - y = 14
   19¹/₂ - y = 14
 - 19¹/₂       - 19¹/₂
             -y = -5¹/₂
             -1      -1
               y = 5¹/₂
        (x, y) = (3¹/₄, 5¹/₂)

c. 3x -  4y = 22 → 15x - 20y = 110
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                                         23       23
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4 years ago
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