3 years ago

(7.58•105)+(2.871•106)

Mathematics

2 answers:

Svet_ta [14]3 years ago

8 0

1,100.226 is your answer :)

tankabanditka [31]3 years ago

7 0

I believe that 1100.226 is the answer. Just to make sure, wait for another answer. :)

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Step-by-step explanation:

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2 years ago

Given the diagram below with line DE║ line AC. Find BC.

Karolina [17]

Answer:

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Step-by-step explanation:

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$\frac{BD}{DA} = \frac {BE}{EC} \\\\\therefore \frac{4}{8} = \frac {BE}{9} \\\\\therefore \frac{1}{2} = \frac {BE}{9} \\\\\therefore BE = \frac{9}{2} \\\\\therefore BE = 4.5\\\because BC = BE + EC \\\therefore BC = 4.5 + 9\\\huge \red {\boxed {\therefore BC = 13.5}} \\$