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Reptile [31]
3 years ago
7

The vertices of a quadrilateral in the coordination plane are known. How can the perimeter of the figure be found?

Mathematics
2 answers:
STatiana [176]3 years ago
6 0

You can find the distance of each side and add up the values.

Your answer is A.

Hope this helps!

Cerrena [4.2K]3 years ago
4 0

Answer:

A :D

Step-by-step explanation:

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Current rules for telephone area codes allow the use of digits​ 2-9 for the first​ digit, and​ 0-9 for the second and third​ dig
Anna35 [415]

Using the fundamental counting theorem, we have that:

  • 648 different area codes are possible with this rule.
  • There are 6,480,000,000 possible 10-digit phone numbers.
  • The amount of possible phone numbers is greater than 400,000,000, thus, there are enough possible phone numbers.

The fundamental counting principle states that if there are p ways to do a thing, and q ways to do another thing, and these two things are independent, there are ways to do both things.

For the area code:

  • 8 options for the first digit.
  • 9 options for the second and third.

Thus:

8 \times 9 \times 9 = 648

648 different area codes are possible with this rule.

For the number of 10-digit phone numbers:

  • 7 digits, each with 10 options.
  • 648 different area codes.

Then

648 \times 10^7 = 6,480,000,000


There are 6,480,000,000 possible 10-digit phone numbers.

The amount of possible phone numbers is greater than 400,000,000, thus, there are enough possible phone numbers.

A similar problem is given at brainly.com/question/24067651

5 0
3 years ago
Four gallons of gasoline cost $16.80. What is the price per gallon (also known as the slope of the line)?
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$16.80 / 4 gallons = $4.20 per gallon

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Explain how finding 4 times 384 can help you find 4 times 5,384
Mumz [18]
Well, 5384 is 5000 bigger than 384. So you would add 20000 (4*5000) to the answer of 4*384, which is 1536.
So 1536+20000=21536
4 0
3 years ago
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45/X + 63/X= 108/X = Y, X= 108 divided by 2 = y, y=54


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Answer:

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Step-by-step explanation:

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