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nata0808 [166]
2 years ago
7

In parallelogram ABCD, AB=18. Identify AD. HELP PLEASE!!

Mathematics
2 answers:
shutvik [7]2 years ago
6 0

Answer:

Cannot be determined

Step-by-step explanation:

Both AD and BC could be any length

lys-0071 [83]2 years ago
3 0

Answer:

cannot be determined

Step-by-step explanation:

In a parallelogram, the two opposite sides are equal. From the parallelogram ABCD given, it can be inferred that AB is parallel to CD and AD is parallel to BC i.e AB//CD and AD//BC.

Given AB = 18, side AD cannot be determined from the figure due to incomplete data given.

The data given can only be used to determine side CD since AB is equal to CD.

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5 0
3 years ago
( – 1, – 5) 7x+2y=13, 4x+4y=14
serious [3.7K]

Answer:

{x,y} = {6/5,23/10}

Step-by-step explanation:

 [1]    7x + 2y = 13

  [2]    4x + 4y = 14  <---------- linear equations given

Graphic Representation of the Equations : PICTURE
2y + 7x = 13        4y + 4x = 14  

Solve by Substitution :

// Solve equation [2] for the variable  y

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[2]    y = -x + 7/2

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

  [1]    7x + 2•(-x +7/2) = 13

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// Solve equation [1] for the variable  x

  [1]    5x = 6

  [1]    x = 6/5

// By now we know this much :

   x = 6/5

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

 [1]    7x + 2•(-x +7/2) = 13

  [1]    5x = 6

// Solve equation [1] for the variable  x

 [1]    5x = 6

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// Use the  x  value to solve for  y

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2 years ago
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Answer:

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Step-by-step explanation:

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sveticcg [70]
Hello : 

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