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IrinaVladis [17]
3 years ago
10

Which system of equations could be used to find the number of tickets sold before the tournament, x, and the number of tickets s

old at the door, y? Remember, 743 tickets were sold, and 75 more tickets were purchased before the tournament than at the door.
hurry need it fast
Mathematics
2 answers:
hichkok12 [17]3 years ago
8 0

Answer:

742 75 is the corerc6

Step-by-step explanation:

i got it on edge 2020

nexus9112 [7]3 years ago
6 0

x + y = 743

x = y + 75

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Graph linear system and estimate the solution y=5x + 2 y=3x
NeTakaya
Y = 5x + 2
y = 3x

  5x + 2 = 3x
- 5x        - 5x
          2 = -2x
         -2    - 2
         -1 = x
y = 3x
y = 3(-1)
y = -3
(x, y) = (-1, -3)

3 0
3 years ago
Find the equation of the line that passes through points (3,5) and (-6,2). Write the equation in slope intercept form.
andrezito [222]
1)  gradient of line = Δ y ÷ Δ x
                              = (5 -2) ÷ (3 - (-6))
                              = ¹/₃
   
     using the point-slope form (y-y₁) = m(x-x₁)
     using (3,5)
           (y - 5) = ¹/₃ (x -3)
             y - 5  = ¹/₃x - 1
        ⇒      <span>  y =   ¹/₃ x  + 4  [OPTION D]


</span>2)        y =  2x  +  5  .... (1)
<span>           </span>y = ¹/₂ x  + 6  .... (2)
       
         by substituting y in (1) for y in (2)

           2x  +  5 = ¹/₂ x  + 6 
                 ³/₂ x = 1
                      x = ²/₃

        by substituting found x (2)

            y = ¹/₂ (²/₃)  + 6
            y = ¹⁹/₃

∴ common point is (²/₃ , ¹⁹/₃)  thus answer is FALSE [OPTION B]


3) Yes [OPTION A]
     This is because the both have a gradient of 5 and if they have the same gradient then that means that the two lines are parallel to each other.

4) No [OPTION B]
       Two lines are perpendicular if their gradients multiply to give - 1 and as such one is the negative reciprocal of the other.  Since both gradients are ¹/₂ then they are actually parallel and not perpendicular.

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nataly862011 [7]

Answer:

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Step-by-step explanation:

If you ask questions while their speaking it shows that you are paying attention to them. Avoiding eye contact could mean your thinking about something else or you aren't interested. Interrupting them is just being disrespectful. Leaning towards them doesn't really do anything other than you moving.

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Answer:

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Step-by-step explanation:

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