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svlad2 [7]
3 years ago
7

Find a number c such that the polynomial

Mathematics
1 answer:
allsm [11]3 years ago
5 0
C=5 because (x-c) = ax =0 so (5-c)=0 will be c=5
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Rate of change for 71, 62,53,44
Vladimir79 [104]

Answer:-9

Step-by-step explanation:

71-62=9

62-53=9

53-44=9

It is negative because the numbers are decreasing

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Find the perimeter of a train of 100 equilateral triangles if the triangles are joined side to side. Each side is one inch long.
yarga [219]

Answer:

102

Step-by-step explanation:

Each triangle will have a perimeter of 3. When joined, the outside triangles will have 2 sides showing, or 2 inches. The middle 98 will only have one free side, or one inch. This means that 98*1 + 2*2 = 102

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In Jaunary your Verizon cell phone bill costs $12 for 80 minutes and in March your bill costs $9 for 60 minutes.
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mario62 [17]
The line segment is translated to the left across the square.

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6 0
3 years ago
Read 2 more answers
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
    2x + 5y =   7 →  8x + 20y =   28
                                        23x = 138
                                         23       23
                                            x = 6
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                                 - 18         - 18
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                                          -4    -4
                                            y = -1
                                     (x, y) = (6, -1)
8 0
3 years ago
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