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shusha [124]
2 years ago
11

The sides of the triangle are (x + 2), (x + 3), and (x + 4). Find the perimeter of the triangle.

Mathematics
2 answers:
Andre45 [30]2 years ago
7 0
3x+9
Wokekekwjwjwnnwjxkd
gayaneshka [121]2 years ago
6 0

Answer:

3x + 9

Step-by-step explanation:

Hello!

We can add all the like terms to solve for the perimeter.

<h3>Add</h3>
  • (x + 2)(x + 3)(x+4)
  • x + 2 + x + 3 + x + 4
  • x + x + x + 2 + 3 + 4
  • 3x + 9

The answer is the 3rd option, 3x + 9.

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Hi there 

So, if the track is 1/8 of a mile, let's call every lap a "one-eighth mile" run. We know John ran 24 laps, or that he ran 24 "one-eighth miles," just consecutive, one right after another. Let's stop worrying about rates or tricks or math for a second, and just ask: how many real miles is 24 "one-eighth" miles? We know it's less than 24---a lot less, since you have to go around 8 times just to get to 1 mile. Well wait, if we go around 8 times, we get 1 mile. That means if we go around 28, or 16 times, we get 2 miles; And let's just think to the next full mile---if we go 38, or 24 times, we get 3 miles. He did go around 24 times, so he must have run 3 miles on a 1/8 track.

Division and multiplication are inverses of each other. So we solved this by looking for an intuition for how many full miles corresponded to how many laps, with a bunch of steps of multiplication. But you can cut right to the chase and solve it faster with division---24 laps * 1 mile per 8 laps, means:

total distance = 24 Lap (1 mi / 8 Lap) total distance = 24/8 total distance = 3

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3 years ago
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Answer:

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Answer:

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Step-by-step explanation:

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