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Vsevolod [243]
3 years ago
8

What is the runner’s average rate of change between the hours: 0.5 and 2? mph 1.5 and 2.5? mph Average Rate of Change

Mathematics
1 answer:
cestrela7 [59]3 years ago
3 0

Answer:4mph

5mph

Slower

Step-by-step explanation:

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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.

7 0
3 years ago
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Answer:

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2 years ago
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Name the postulate or theorem you can use to prove...
anyanavicka [17]
The correct answer is B) ASA postulate
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8(2w-6)+4(-1-5w)=-8<br><br> Can you solve this and show work?
atroni [7]
I don’t have time to explain it but hopefully someone else will, he answer is -13!
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3 years ago
08.06)Data are collected about the amount of time, in minutes, each member of a dance troupe spend practicing. How does a single
Tpy6a [65]

The <em>correct answer</em> is:


A single outlier causes the value of the median to move slightly toward the outlier.


Explanation:


Overall, outliers have very little effect on the median. However, they do affect it some.


If the outlier is a very large number, the median will slightly increase as compared to the data set without the outlier.


If the outlier is very small, the median will slightly decrease compared to the data set without the outlier.


In both instances, the median is moved slightly towards the outlier.

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2 years ago
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