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Rufina [12.5K]
3 years ago
14

I need help on this question thanks!! :)

Mathematics
2 answers:
Strike441 [17]3 years ago
6 0
Perimeter = 3y + 7 cm
weeeeeb [17]3 years ago
3 0

Answer:

perimeter = 3y + 7 cm

Step-by-step explanation:

perimeter = y + y + y + 5 = 3y + 7 cm

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Anderson uses the discriminant to correctly find the number of real solutions of the quadratic equation one-halfx2 + 4x + 8 = 0.
amid [387]

Answer:

The discriminant of ax^2+bx+c is b^2-4ac.  

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3 0
3 years ago
Read 2 more answers
How can b^2+9b+14 be re-written?
charle [14.2K]
b^2+9b+14 =\\ \\=b^2+9b-2b + 2b +14 =\\ \\ =b^2+7b +2b +14 = \\ \\ = b(b+7)+2(b+7)=\\ \\=(b+7)(b+2) \\ \\ Answer: \ 4. ) \  (b+7)(b+2)
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