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Natasha_Volkova [10]

3 years ago

9

Pictures is bad but find length bc

1 answer:

aleksley [76]3 years ago

5 0

Answer:

BC=5

Step-by-step explanation:

4/10=x/x+3

4(x+3)=10x

4x+12=10x

subtract 4x from each side

6x=12

divide both sides by 6

6x/6=12/6

x=2

BC=x+3

substitute for x

BC=2+3

BC=5

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