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const2013 [10]
3 years ago
12

A polygon with 7 sides has how many triangles​

Mathematics
1 answer:
vivado [14]3 years ago
3 0

Answer:

I THINK THE ANSWER IS 287

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Two less than three times a number is 28
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Answer:

x = 10

Step-by-step explanation:

Two less than three times a number is 28

Let's break it up.

2 less than: -2

3 times a number: 3x (x is representing a number")

is 28: = 28

So, let's put that together.

Two less than three times a number is 28

3x - 2 = 28

Now, let's solve this.

First, let's isolate the x.

To do this, we must add 2 to each side.

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+2           +2

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Now, we must simplify.

To do this, we must divide each side by 3.

This, in term, will tell us what x equals.

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---    ----

3      3

3x/3 = x

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x = 10

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