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balandron [24]
3 years ago
11

I need help with these please :) I suck at math

Mathematics
1 answer:
nikitadnepr [17]3 years ago
8 0
1)
you have similar triangles(ABC, ADE), so their side length ratios are equal

8/2=4/CE
CE*4=4
CE=1


2)
angle bisector theorem:
CD/DA=BC/BA

CD/DA=10/8
I:AD=10CD/8

we also know AC=AD+CD=6
II:CD=6-AD

insert II in I:

AD=10(6-AD)/8
=5(6-AD)/4
=(30-5AD)/4
4AD=30-5AD
9AD=30
3AD=10
AD=10/3
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Which binomial is a factor of 49x2 + 84 xy + 36y2?
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Step-by-step explanation:

Given expression is 49x^2+84xy+36y^2

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Rewritting the above expression as

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Therefore  49x^2+84xy+36y^2=(7x+6y)(7x+6y)

(7x+6y) is a binomial factor of the given expression  49x^2+84xy+36y^2

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