The expression 17n + 11 represents the perimeter (in feet) of the triangle. Two sides are measured at 5n + 6 and 4n + 5.
Write an expression that represents the measure of the third side.

Would 8n + 22 be correct?

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1. No.

You correctly subtracted 9n from 17n. Do you see what you did wrong?

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Ms. Sue
2. is 17n+11 - (5n+6) - (4n+5) right?

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3. Yes, so far. Now simplify that by combining like terms.

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Ms. Sue
4. (17n + 5n + 4n) + (11 + 6 + 5) = 26n + 22?

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5. No. Your question asks for the measurement of the third side. Obviously it's not longer than the perimeter.

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Ms. Sue
6. 8n

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7. 6h

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8. 9h + 8

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9. 8n

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10. I did math, 8n is the correct answer. :) Thank me later

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11. Is it 8n or 9n+ 8??????sksksksk

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12. 17n + 11= 5n+6+4n+5+?

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13. 8n

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14. It is, in fact 8n, I had this as a homework question and i checked it with my teacher, she said it was correct

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15. 8n

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16. it is 8n thank you all

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