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Anna35 [415]
3 years ago
10

13. If AC = 16, DE = 8 and BE = 6, find AE. Please show all work

Mathematics
1 answer:
ollegr [7]3 years ago
5 0

Answer:

AE = 4

Step-by-step explanation:

Use the formula

AE*EC = DE*EB

Since we don't know AE or EC, let AE = x and then EC will = 16 - x.  The formula then becomes

x(16 - x) = 8(6)

16x-x^2=48

Getting everything on one side and setting it equal to 0 will allow us to factor for x:

x^2-16x+48=0

Factoring that gives you that

x = 4 and x = 12.  That means that one of those sements has a length of 4 and the other has a length of 12.  AE is shorter so it's 4 and EC = 12

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