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Dmitry [639]
3 years ago
7

I need to know how to write a proof for why CF is the perpendicular bisector of BD

Mathematics
1 answer:
Soloha48 [4]3 years ago
3 0
It creates a 90 degree angle so that means its perpendicular. 
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ss7ja [257]
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Explanation:
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Given that f(x) = x2 + 10x + 21 and g(x) = x + 7, find (f•g)(x) and express
sammy [17]

Answer:

<h2>(f.g)x =  {x}^{2}  + 24x + 140</h2>

Step-by-step explanation:

given \\ f(x) = x ^{2}  + 10x + 21 \: and \: g(x) = x + 7

as \: we \: know \: (f.g)x \: is \: same \: as

f(g(x))

so \:

f(x + 7) = ( x + 7) ^{2}  + 10(x + 7) + 21

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therefore

(f.g)x =  {x}^{2}  + 24x + 140

3 0
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Answer:

14 grams?

Step-by-step explanation:

56/2=28 28/2=14

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