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Ira Lisetskai [31]
3 years ago
5

I have questions, so help is needed.

Mathematics
1 answer:
rjkz [21]3 years ago
4 0
1. 2x + 6
2. x - 80
3. 28/2
!! :) or for last one you can switch the “/“ with a division symbol
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Can the sides of a triangle have lengths 6.2, 0.5, and 7.8?<br> yes or no
Vitek1552 [10]
No, it's not possible for the sides of a triangle to have those lengths.

According to the triangle inequality theorem, the sum of any two sides of the triangle has to be bigger than the last side. Let's test this.

6.2+7.8\ \textgreater \ 0.5

This inequality satisfies the triangle inequality theorem.

7.8+0.5\ \textgreater \ 6.2

This also satisfies the theorem.

6.2+0.5 \textless \ 7.8

Uh oh. This does not satisfy the triangle inequality theorem. Thus, it is not possible for a triangle to have these side lengths.
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3 years ago
Answer for<br> -4 (-x + 2) = 2 (3x - 7)
Lana71 [14]

Step-by-step explanation:

-4 (-x + 2) = 2 (3x - 7)

2x-4=3x-7

x=3

5 0
3 years ago
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svlad2 [7]

Answer: (x^3)^2 - 3^2

Step-by-step explanation:

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3 years ago
If f(x) = 2x - 6 and g(x) = 3x + 9, find (f+g)(x)
valina [46]

Answer:

(f+g)(x)  =  5x + 3

Step-by-step explanation:

f(x) = 2x - 6 and g(x) = 3x + 9, find (f+g)(x)

(f+g)(x) = f  + g  =  (2x - 6)  + (3x + 9) =   5x + 3

(f+g)(x) = f  + g  =  5x + 3

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3 years ago
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