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  • 11-12-2020
  • Mathematics
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7. How tall is the flagpole? 25.7 feet 18.9 feet 9.6 feet 10 feet

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Аноним Аноним
  • 11-12-2020

Answer:correction so 1] y = 3x + 7

// Plug this in for variable y in equation [2]

[2] 5x + 2•(3x+7) = 3

[2] 11x = -11

// Solve equation [2] for the variable x

[2] 11x = - 11

[2] x = - 1

// By now we know this much :

x = -1

y = 3x+7

// Use the x value to solve for y

y = 3(-1)+7 = 4

Step-by-step explanation:

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