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Eliminating Parentheses 175 Views
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Transcript
- 00:00
Thank you We sneak And here's a shmoop e question
- 00:06
for you patrol's Jimmy and johnny are walking home after
- 00:10
a long night of clubbing their distances from home in
- 00:14
feet as a function of time in seconds are given
- 00:19
by the following graph after ten minutes of walking how
Full Transcript
- 00:23
far apart are they and hear the potential answers before
- 00:26
we spoil the ending hit positive right yourself Okay Question
- 00:32
Can we read a graph Answer Yes And we read
- 00:35
it accurately And uh well let's See Okay so the
- 00:39
first prep work we have to do here is to
- 00:41
get the units all on the same page The trolls
- 00:44
are walking are well lumbering Really Where's The club i
- 00:48
hear pebbles is playing ten minutes and the graph is
- 00:51
giving us the time units in seconds Thanks a lot
- 00:54
Craft So with sixty seconds in a minute and ten
- 00:58
minutes involved we need the Mark to hit at the
- 01:01
6 hundred point right here Now draw lines vertically from
- 01:04
that point and let's See word intersex Looks like about
- 01:08
here in ten minutes Jimmy walk this many feet And
- 01:11
in those same ten minutes johnny walked this many feet
- 01:15
We have to label A few grid lines here so
- 01:18
this one is halfway between forty eight hundred twenty four
- 01:21
hundred so it's gotta be thirty six hundred This line
- 01:23
is halfway between thirty six hundred and twenty four hundred
- 01:26
so it's got to be about three thousand This one
- 01:29
is halfway between thirty six hundred and forty eight hundred
- 01:31
So yes got to be about forty two hundred but
- 01:34
now we just note the feet Jimmy is three thousand
- 01:38
feet along the way and johnny is thirty six hundred
- 01:40
feet along the way so they are thirty six hundred
- 01:44
minus three thousand feet for six hundred feet apart and
- 01:47
the answer is b do That wasn't too oh girlie 00:01:50.343 --> [endTime] complicated Where's the club