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ICE Princess25 [194]
3 years ago
12

one possible combination of homeroom groups is 18 groups of 10 students and 5 groups of 12 students. which equation uses the x =

10 students and y=12 students, combination to represent the situation in point- slope form? is the answer y-18 =-5/6 (× - 5) ,y- 5 = - 5/6 (× -18) ,y +5 =-5/6 (× +18) or y+18= -5/6 (× +5)​
Mathematics
1 answer:
vfiekz [6]3 years ago
6 0

Answer: y - 5 = -5/6 (x - 18)

Step-by-step explanation:

The point-slope form of a linear equation is written using the slope of the line and one point in the line. From part A, the slope of the line representing this situation is m = -5/6.

Since x represents the number of 10-student groups and y represents the number of 12-student groups, the combination of 18 groups of 10 students and 5 groups of 12 students is represented by the point (18,5).

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3 years ago
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Answer:

x = 5

Step-by-step explanation:

Step 1: Write equation

-(1 + 7x) - 6(-7 - x) = 36

Step 2: Solve for <em>x</em>

  1. Distribute: -1 - 7x + 42 + 6x = 36
  2. Combine like terms: -x + 41 = 36
  3. Subtract 41 on both sides: -x = -5
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Step 3: Check

<em>Plug in x to verify it's a solution.</em>

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-(1 + 35) - 6(-12) = 36

-(36) + 72 = 36

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3 years ago
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outgoing speed is 160 km per hour, 
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3d/480 + 2d/480 = 8
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