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weeeeeb [17]
3 years ago
7

CAN SOMEONE PLEASE HELP ME WITH THIS !!!!!

Mathematics
2 answers:
scZoUnD [109]3 years ago
8 0

The ladder is a hypotenuse of a triangle with base of length 5 and vertical side 12, and it is right-angled. Use the Pythagorean theorem.

12^2+5^2=x^2\\169=x^2\\\sqrt{169}=13=x\\

x, the ladder height is 13 units.

STatiana [176]3 years ago
4 0

Answer:

60

Step-by-step explanation:

5 x 12

60


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Step-by-step explanation:

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Solve the system of equations 2x+4y+3z=6 5x+8y+6z=4
MaRussiya [10]

Answer:Solution :

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System of Linear Equations entered :

  [1]    2x + 4y + 3z = 6

  [2]    5x + 8y + 6z = 4

  [3]    4x + 5y + 2z = 0

Solve by Substitution :

// Solve equation [3] for the variable  z  

 

 [3]    2z = -4x - 5y  

 [3]    z = -2x - 5y/2  

// Plug this in for variable  z  in equation [1]

  [1]    2x + 4y + 3•(-2x-5y/2) = 6

  [1]    -4x - 7y/2 = 6

  [1]    -8x - 7y = 12

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

  [2]    5x + 8y + 6•(-2x-5y/2) = 4

  [2]    -7x - 7y = 4

// Solve equation [2] for the variable  y  

 

 [2]    7y = -7x - 4

 [2]    y = -x - 4/7

// Plug this in for variable  y  in equation [1]

  [1]    -8x - 7•(-x -4/7) = 12

  [1]    -x = 8

// Solve equation [1] for the variable  x  

  [1]    x = - 8  

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// Use the  x  value to solve for  y  

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Solution :

{x,y,z} = {-8,52/7,-18/7}  

Step-by-step explanation:

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Answer:

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<u></u>

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