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Ronch [10]
3 years ago
12

kaleb had 63 dollars. if he spent 7 dollars on new books, what is the ratio of money he still has to money he's spent?

Mathematics
2 answers:
tekilochka [14]3 years ago
8 0
The ratio is 56:7.

You can reduce it to 8:1.
AlexFokin [52]3 years ago
3 0
He would have 56 dollars left
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Given $dc = 7$, $cb = 8$, $ab = \frac{1}{4}ad$, and $ed = \frac{4}{5}ad$, find $fc$. Express your answer as a decimal.
Pachacha [2.7K]

A ↔ B ↔ C ↔ D ↔ E ↔ F

 \frac{1}{4} AD      8      7      \frac{4}{5} AD   ???

AB + BC + CD = AD   <em>segment addition postulate</em>

\frac{1}{4} AD   +   8   +   7   = AD

\frac{1}{4} AD   +       15        = AD

AD         + 60    = 4AD

                  60    = 3AD

                  20    = AD

AB =  \frac{1}{4} AD    =  \frac{1}{4}(20)    = 5

DE =  \frac{4}{5}AD   =  \frac{4}{5}(5)    = 4

CD + DE + EF = CF   <em>segment addition postulate</em>

7   +   4   + EF  = CF

     11        + EF  = CF

Answer: 11 + EF

Note: You did not provide any info about EF.  If you have additional information that you did not type in, calculate EF and add it to 11 to find the length of CF.

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3 years ago
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Is the network in d) an Euler circuit? Can this network can be traversed?
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Answer:

If a graph is an Euler Circuit that mean that it can be traversed and begins and has all even verticies.  This allows you to start and stop at the same verticie.

Step-by-step explanation:

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2 years ago
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Substitute in the equation to get x as follows:
165 = x + 0.1x
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Based on the above calculations, Cody was 150 cm tall on his first day at school last year.

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Answer:

Step-by-step explanation:

Step-by-step explanation:

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