kalithekittenqueen
04.07.2019 •
Mathematics
Me! : ^) i need with #8. it says: a farmer owns a triangular field with a perimeter of 9a + 4b - 5. which of the following could be side lengths of the field? a: 3,-2+2b,2b+9a b: 3a,3a+5, and 4b c: 8a,1a+3b, and b-5 d: 9,4b, and -5a
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Ответ:
It's number C, because if you get the sum of the expressions you get the perimeter of 9a + 4b - 5.
Ответ: