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Vlad1618 [11]
3 years ago
9

What is 2(n-1)+4n=2(3n-1)

Mathematics
1 answer:
Xelga [282]3 years ago
4 0

Answer:

Infinite solutions

Step-by-step explanation:

<em><u>Distribute the 2 to (n - 1), and distribute the 2 to (3n - 1), like so:</u></em>

2(n - 1) + 4n = 2(3n - 1)

2n - 2 + 4n = 6n - 2

<em><u>Add like terms (2n and 4n):</u></em>

6n - 2 = 6n - 2

<em><u>Subtract 6n from both sides:</u></em>

-2 = -2

Since we ended up with the same term on both sides, we can't do anything else, meaning this equation has infinite solutions.

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40+1
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Step-by-step explanation:

An inscribed angle is an angle with its vertex on the circle, formed by two intersecting chords. Angle N perfectly fits this description. An inscribed angle is equal to 1/2 of its intercepted arc (the arc opposite the angle). The arc opposite angle N is equal to 64 degrees, so angle N is equal to 1/2 of that, or 32 degrees

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Help please ASAP <br> Brainiest answer to whoever is correct
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Hello! So remember that the dependent always depends on something now put your smart cap on and you got this! I believe in you!
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The regular price of a watch is $42.25. During a sale, the watch rang up for 29.95. What was the percent off the watch during th
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Answer:

(d) The sale was for a 29% decrease.

Step-by-step explanation:

Original/Regular price = $42.25

New/Sale price = $29.95

Difference in prices = 42.25 - 29.95 = 12.3

Formula for finding the percentage decrease of the sale

= \frac{Difference  in  prices}{Original/Regular  price} × 100

\frac{12.3}{42.25} × 100

= \frac{1230}{42.25}

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1. Write an equation in point slope form for the line that has a slope of 6 and contains the point (-8,-7).
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1.    y - y₁ = m(x - x₁)
     y - (-7) = 6(x - (-8))
       y + 7 = 6(x + 8)
       y + 7 = 6(x) + 6(8)
       y + 7 = 6x + 48
       <u>   - 7          -   7</u>
             y = 6x + 41

2. <u>y₂ - y₁</u> = <u>-8 - (-3)</u> = <u>-8</u><u> + 3</u> = <u>-5</u> = -1²/₃
    x₂ - x₁    -1 - (-4)    -1 + 4      3

3. 2x -  3y = 11
    <u>3x + 3y =   9</u>
            <u>5x</u> = <u>20</u>
             5      5
              x = 4
     2x - 3y = 11
   2(4) - 3y = 11
       8 - 3y = 11
     <u>- 8          - 8</u>
           <u>-3y</u> = <u>3</u>
            -3    -3
              y = -1
        (x, y) = (4, -1)

4. 2x - 5y = -7  ⇒   -6x + 15y =  21
    5x - 3y = 11 ⇒ <u>-25x + 15y = -55</u>
                                        <u>19x</u> = <u>76</u>
                                         19     19
                                            x = 4
                                   2x - 5y = -7
                                 2(4) - 5y = -7
                                     8 - 5y = -7
                                   <u>- 8          - 8</u>
                                         <u>-5y</u> = <u>-15</u>
                                          -5      -5
                                            y = 3
                                      (x, y) = (4, 3)

5. 4.9 × 10¹¹, 8.9 × 10¹⁸, 1.3 × 10⁸, 6.7 × 10⁸, 2.7 × 10⁸
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