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tigry1 [53]
3 years ago
6

a triangle has a perimeter of 10x+2 . two sides have lengths of 5x and 2x+9 what is the length of the 3rd side

Mathematics
1 answer:
stiks02 [169]3 years ago
8 0
Since all the sides add up to 10x+2, that means that 10x-2-<side1>-<side2>=<side3>. Plugging it in, we have 10x-2-5x-(2x+9)=side3, and 5x-2-(2x+9)=side3, then expanding it to 5x-2-2x-9=3x-11=side3
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I need help with this, please!
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Answer:

The answer to your question is None of the options, the answer is y ≥ 1

Step-by-step explanation:

Inequality

                      5 - 3 (y + 2) ≤ 6y - 10

1.- Expand

                      5 - 3y - 6 ≤ 6y - 10

2.- Simplify like terms

                        -3y - 1 ≤ 6y - 10

3.- Add -6y in both sides

                       - 3y - 6y - 1 ≤ 6y - 10 - 6y

4.- Simplify

                      -9y - 1 ≤ -10

5.- Add 1 in both sides

                     -9y - 1 + 1 ≤ -10 + 1

6.- Simplify

                              -9y ≤ -9

7.- Divide both sides by -9 and change ≤ by ≥

                              -9/-9 y ≥ -9/-9

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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