The division property of equality because you divide 20 by 5 to get the x value.
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Answer:
720 ways
If you've got six cards you can arrange them in 6! ways = 720 ways.
Step-by-step explanation:
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It is 378 miles
[1/2 inch represents 18 miles
1 inch represents 36 miles
21/2 inches represents ((21/2)x36) miles = 378 miles]
Answer:
The perimeter of a parallelogram is 42 cm.
Step-by-step explanation:
The area of a parallelogram is 72 cm².
The formula for area of a parallelogram is

It is given that the distances between the point of intersection of the diagonals and the sides are 3 cm and 4 cm.
The distance between point of intersection of the diagonals and the opposite sides are same.




The measure of a side is 12 cm.




The measure of another side is 9 cm.
The perimeter of a parallelogram is

Therefore the perimeter of a parallelogram is 42 cm.