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WINSTONCH [101]
2 years ago
8

100 points

Mathematics
1 answer:
gayaneshka [121]2 years ago
3 0

Answer:

here is your answer........

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Any one know how to find the roots of an equation?
soldier1979 [14.2K]
So what you do is
make into ax^2+bx+c=0 form

add-9/2 to both sides
y^2-2y+9/2=0
now we use the quadratice formula which is
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}

ax^2+bx+c=0
1y^2-2y+9/2
a=1
b=-2
c=9/2
subsitute
x=\frac{-(-2)+/- \sqrt{(-2)^{2}-4(1)(9/2)} }{2(1)}
x=\frac{2+/- \sqrt{4-(36/2)} }{2}
x=\frac{2+/- \sqrt{4-(18)} }{2}
x=\frac{2+/- \sqrt{-14} }{2}
x=\frac{2+/- \sqrt{-14} }{2}
x=1+/- \frac{\sqrt{-14} }{2}
x=1+/- \frac{\sqrt{14} \sqrt{-1}}{2}
x=1+/- \frac{\sqrt{14} i }{2}
x=1+/- \frac{ i \sqrt{14} }{2}

answer is C



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3 years ago
Determine the coordinates of the vertices of the rectangle to compite the area of the rectangle using the distance formula.​
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Answer:

Step-by-step explanation:

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Holly has 38 pecans. She has 5 friends coming to visit. If Holly and her five friends each eat an equal number of pecans, about
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Х = бу - 1<br> бу + 5х = 31
Kobotan [32]

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look search math-way and type your problem in .

Step-by-step explanation:

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Tyler has $125.00 to spend on books and CDs. He buys one book for $30.00. He wants to spend the rest on CDs that are on sale for
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