anonymous
  • anonymous
Need urgent help, I am stuck on a question: http://snag.gy/jP76g.jpg
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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amistre64
  • amistre64
how are you stuck?
anonymous
  • anonymous
The periods ><. I can see the altitudes.
amistre64
  • amistre64
you can see the periods too, define what a period is

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amistre64
  • amistre64
also, what are you claiming as the altitudes?
anonymous
  • anonymous
time, and somewhat it looks like 4.5 on the first but ....idk
amistre64
  • amistre64
claiming as **amplitudes ...
anonymous
  • anonymous
first one 3, second : 2 right ?
amistre64
  • amistre64
time is one way in which we can measure a period period is the shortest length required for a single copy of the wave to form. and 2 is the amplitude of the second, but i disagree with the first.
amistre64
  • amistre64
first one, we have a clear pattern, that has a high point at 0,5,10 second one, we have a clear pattern, that has a high point at what are they?
amistre64
  • amistre64
i believe the first ones amplitude is sloppy. its assuming that half the range is an amplitude, but thats not accurate.
anonymous
  • anonymous
agreed..isn't there a formula to find this the periods..idk
amistre64
  • amistre64
not in all cases, its best as a visual.
amistre64
  • amistre64
do we agree that the pattern repeats, and that it is the same from 0 to 5, as it is from 5 to 10?
amistre64
  • amistre64
what are the intervals in the second one that shows us a repetition of the waves pattern?
anonymous
  • anonymous
Intervals were not given nor was I told to solve for them so have have no clue >< sorry. And I agree.
amistre64
  • amistre64
intervals ARE given, thats right there on the graphs.
anonymous
  • anonymous
Oh my bad, I was thinking you mean shifts
anonymous
  • anonymous
Pi/2, pi, 3pi/2, 2pi, 5pi
anonymous
  • anonymous
*5pi/2
amistre64
  • amistre64
the first one ... it repeats itself in what shortest distance?
1 Attachment
anonymous
  • anonymous
5pi ??
amistre64
  • amistre64
there are no pis in there, but yeah, 0 to 5 is a length of 5 and for the second?
1 Attachment
amistre64
  • amistre64
these are simple only because they start a cycle at 0, sometmes they wont be so nice.
anonymous
  • anonymous
ah okay(I'm just going off that formula for period), and second= pi/2?, and Ik ><
amistre64
  • amistre64
pi/2 is only half way ... the graph is not 'the same' on the interval 0 to pi.2 as it is from pi/2 to pi so we CANT have a period of pi/2 becasue the pattern is NOT repeating afterwards.
anonymous
  • anonymous
Oh okay so it would be pi to make it full
amistre64
  • amistre64
yes, it makes a repetition within a period of pi. if a faucet is dripping once every 3 seconds, whats the period? if a clown is falling once every 4 minutes, whats the period? if a dog is barking once every second, whats the period? if the tides comes in once every 9 hours, whats the period? a period is the shortest interval it takes for a phenomenea to start repeating itself all over again.
anonymous
  • anonymous
oh okay and 3, 4, 1, 9 ?
amistre64
  • amistre64
trig function have nice formulas, other things do not
amistre64
  • amistre64
lol, yeah those would be the periods of them
anonymous
  • anonymous
Yay I learned Periods and altitudes! Thank you ^^ kindly.
amistre64
  • amistre64
amplitudes .... so whats our solutions?
anonymous
  • anonymous
lol thx for the correction and 1. a:3 ,p:5 2.a:2, p: pi
amistre64
  • amistre64
your amplitude on the first is mistaken. -2 to 3 is a distance of 5, and assuming they are going with range/2 ... 5/2 is not 3
amistre64
  • amistre64
so the last option on both seems fair to me
anonymous
  • anonymous
ah, okay Gotcha . Thank you you kindly for teaching me and your patience .
amistre64
  • amistre64
good luck :)
anonymous
  • anonymous
Thx ^^

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