3 years ago

Would someone Please answer this question please will be thanked and also will pick brainly!! (please be honest)

Mathematics

1 answer:

lapo4ka [179]3 years ago

8 0

The answer to this question is 360ft^2

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Solve the equation x^2-4x+85=0

lara [203]

Can't factor
use quadratic
for
ax^2+bx+c=0
x= $\frac{-b+/- \sqrt{b^2-4ac} }{2a}$

given
1x^2-4x+85=0
a=1
b=-4
c=85

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x= $\frac{4+/- \sqrt{16-340} }{2}$
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x= $\frac{4+/- (\sqrt{-1})(\sqrt{324}) }{2}$
remember that √-1=i
x= $\frac{4+/- i(\sqrt{324}) }{2}$
x= $\frac{4+/- i(18) }{2}$
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3 years ago

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asambeis [7]

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3 years ago

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3 years ago

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The equation of a line is x 3y = 14. what is the y-intercept of the line? −14 3/14 14 14/3

Olin [163]

X+3y = 14
3y = -x +14
y = -1/3 x +14/3
so the y intercept is 14/3

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