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SAT Math: Algebra and Functions Drill 1, Problem 2. Based on the data in the table, what is the maximum heart rate for the average 22-year-old?
SAT Math 1.1 Algebra and Functions. Find an algebraic equation to correspond with the data.
SAT Math: Calculating Thaw Power Through a Given Conversion 7 Views
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Description:
David is using a 1200-watt stove to thaw a frozen meal. If David's stove melts 3.6 grams of frozen food per second, which of the following represents the number of joules j required to melt g grams of frozen food?
Transcript
- 00:03
Okay shmoop ear's on math We're keeping on keeping on
- 00:06
David is using what's told the thought of frozen meal
- 00:08
David stove melt three point six grams of frozen food
- 00:10
per second which is percent Number of jewels j required
- 00:12
to melt g grams of frozen food So all right
Full Transcript
- 00:17
we have the answer right here and we're kind of
- 00:19
noodling threw them a twelve hundred watts stove Is that
- 00:22
twelve hundred Give us any things that mean anything on
- 00:24
its own thinks oh no Right here Not yet So
- 00:27
well the worst part about cooking frozen meals is when
- 00:30
the meals are scorching hot on the outside but still
- 00:32
ice cold Middle Hopefully this problem can teach us how
- 00:35
to prevent that We know from our microwave were given
- 00:38
a twelve hundred what jules per second stove And we
- 00:40
know three point six grams of frozen food melts with
- 00:43
each passing second we need to manipulate this information to
- 00:47
work in our favor So we're going to let jake
- 00:49
cleverly represent jules And you know we're creative like that
- 00:53
So here's our little equation here Twelve hundred jewels the
- 00:55
second time's Just one second where it cooks Three point
- 00:59
sixty there So we have three hundred thirty three jewels
- 01:01
over grams there Okay so notice that units of seconds
- 01:06
can be found in the numerator and denominator So they
- 01:09
cancel out That leaves us with units of jewels program
- 01:12
which is exactly what we need So that's actually a
- 01:15
good start so that's it The answer is three thirty
- 01:17
three g there right there that's The answer It's letter
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