Find the constant of proportionality and the unit rate for the data in the table. Then write an equation to represent the
relationship between time t and distance d.
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OpenStudy (anonymous):
OpenStudy (anonymous):
from here you see that \[d \alpha t\]
OpenStudy (anonymous):
\[d=kt\]
OpenStudy (anonymous):
we substitute the values from the table in the equation and observe any similarities or differences
OpenStudy (anonymous):
now time changes by 2 until last time
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OpenStudy (anonymous):
changes in d and changes in t is very important
OpenStudy (anonymous):
\[\Delta d=k \Delta t\]
OpenStudy (anonymous):
\[\int\limits_{d_0}^{d_1} \Delta d = \int\limits_{t_0}^{t_1} k \Delta t\]
OpenStudy (anonymous):
\[d_1-d_0=k(t_1-t_0)\]
OpenStudy (anonymous):
lets take 135-90=k(3-2)
k=45
lets take 225-135=k(5-3)
k=90/2=45
there4 k=45 can be confirmed
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OpenStudy (anonymous):
\[k=45\]
OpenStudy (anonymous):
can you see the equation above
OpenStudy (anonymous):
@Xero1999 can you see the answer
OpenStudy (anonymous):
i think the constant of propotionality is the unit rate