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Marina CMI [18]
4 years ago
7

If all pairs of consecutive angles of a quadrilateral are supplementary, then the quadrilateral is a parallelogram.

Mathematics
2 answers:
Triss [41]4 years ago
6 0

The answer to your question is TRUE! [apex]

____ [38]4 years ago
3 0
This is true.

It comes from the same side interior angles theorem which says that same side interior angles are supplementary, only if the lines are parallel. 
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Solve 3x+2y=4 4x+3y=7 algebraically
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Step 1. Multiply first equation with -3 and the second one with 2. You'll get:
\left \{ {{-9x-6y=-12} \atop {8x+6y=14}} \right.

Step 2. Add both equations together. You'll get:
-x=2, which gives x = -2

Step 3. Replace x = -2 in the first equation and calculate y.
3(-2)+2y=4\\
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3 years ago
it costs $3.45 to buy 3/4 lb of chopped walnuts. how much would it cost to purchase 7.5 lbs of walnuts?
Vesna [10]

Answer:

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Step-by-step explanation:

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3 years ago
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blagie [28]

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Step-by-step explanation:

5 0
3 years ago
What is the product of the polynomials below?
Alexeev081 [22]
Hope this helps you.

5 0
3 years ago
The student council orders 12 sandwhiches for the school dance. each sandwich is 6 feet long cut into sections that are 4 inches
Setler [38]

The school council will have 216 small sandwiches.

Step-by-step explanation:

Sandwiches ordered = 12

Length of one sandwich = 6 feet

1 foot = 12 inch

6 feet = 12*6 = 72 inches

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As one small sandwich is 4 inches,

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One sandwich = 18 small sandwiches

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The school council will have 216 small sandwiches.

Keywords: multiplication, division

Learn more about multiplication at:

  • brainly.com/question/10710410
  • brainly.com/question/10717746

#LearnwithBrainly

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