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scoundrel [369]
3 years ago
14

Using the side-splitter theorem, Daniel wrote a proportion for the segments formed by line segment DE. What is EC?

Mathematics
2 answers:
AfilCa [17]3 years ago
7 0
We manipulate the given equation in order to solve for EC. We do this by cross multiplying. 
The resulting equation will be:
EC = (4 x 3)/5
EC = 12/5 = 2.4

Additionally, the side-splitter theorem works for this problem since DE and AC are parallel to each other, therefore splitting the remaining two sides into proportional segments.
tatiyna3 years ago
3 0

Answer:

2.4 Units

Step-by-step explanation:

Just did the test on edg 2020

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Answer:

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Step-by-step explanation:

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FinnZ [79.3K]

Answer:

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Step-by-step explanation:

-0.65 + 0.45x = 5.4

First we will add 0.65 to each 'side' of the equation.

0.65 + (-0.65) + 0.45x = 0.65 + 5.4

        0.65 + (-0.65) = 0

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Input the numbers, and now the equation looks like this:

0 + 0.45x = 6.05

Remove the zero:

0.45x = 6.05

Divide each 'side' by 0.45.

0.45x ÷ 0.45 = 6.05 ÷ 0.45

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Input the numbers, and now the equation looks like this:

x = 13.444 ... repeating decimal

We can also write this as:

x = 13 4/9 in fraction form

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