paperbacon
  • paperbacon
Need help with algebra 2 workbook problems! Will fan and medal and testimonial!!!
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
where are the problems
paperbacon
  • paperbacon
paperbacon
  • paperbacon

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paperbacon
  • paperbacon
paperbacon
  • paperbacon
paperbacon
  • paperbacon
To 15
paperbacon
  • paperbacon
31-33
paperbacon
  • paperbacon
18 problems in all
paperbacon
  • paperbacon
@n648c788 can you help?
paperbacon
  • paperbacon
@Nnesha @mollyhatesmath
anonymous
  • anonymous
yes I am reviewing some rules
paperbacon
  • paperbacon
Ok
anonymous
  • anonymous
1.) amplitude is heights so it is 2 or -2 dosent matter period is 1/ frequency, so count wavelenghts 1/2=.5
anonymous
  • anonymous
2.) is not periodic
anonymous
  • anonymous
make sense
paperbacon
  • paperbacon
Yes, thank you!
anonymous
  • anonymous
3-5 substact and add the value to 360 3-32+360 -32-360 make sense
paperbacon
  • paperbacon
What if its negative, then would I add?
anonymous
  • anonymous
- - add numbers - + subtract numbers
paperbacon
  • paperbacon
Still confused. Could you give an example with end result so I can see the process?
anonymous
  • anonymous
-32+360= 328 -32- 360=-396
anonymous
  • anonymous
-229+360=131 -229-360=-589
paperbacon
  • paperbacon
Are thos both the answer. Like the answer is two numbers or pick the one thats positive?
anonymous
  • anonymous
its both because it is not specify +, - value wanted
anonymous
  • anonymous
5. 375 is not between 0 and 360
paperbacon
  • paperbacon
Ok, thanks! I think I got it now!
anonymous
  • anonymous
Awseome!
paperbacon
  • paperbacon
Theres no answer for number then?
paperbacon
  • paperbacon
5
anonymous
  • anonymous
yes good job
paperbacon
  • paperbacon
Thanks!
paperbacon
  • paperbacon
How do I do 6 through 8?
anonymous
  • anonymous
6.) conversion degree to radians is angle *2Pi/360 -225*2pi/360= -3.92 radians terms of pie-1.25pi- we just did not multiply pie but we multiplied and divided
anonymous
  • anonymous
7.) 120*2pi/360= 2.09 radians terms of pie= .667pi
anonymous
  • anonymous
make sense
paperbacon
  • paperbacon
Yes, much!
anonymous
  • anonymous
8.)600*2pi/360=10.47radians terms of pie= 3.33pi
anonymous
  • anonymous
9-11 we are going backwards
paperbacon
  • paperbacon
Ok
paperbacon
  • paperbacon
Can you show me an example?
anonymous
  • anonymous
9.) 5pi/6 *180/pi =150 degress 10.) -2.5pi *180/pi= -450 degress 11.) .8*pi/180 = .01396pi .01396pi*180/pi=5 degrees
anonymous
  • anonymous
6-8 do value* pi/360
paperbacon
  • paperbacon
Okay, thanks! I understand how to do that from now on too!
anonymous
  • anonymous
ok awseome!
anonymous
  • anonymous
12. also?
paperbacon
  • paperbacon
I dont know about 12
anonymous
  • anonymous
Ok because I can not see the graph
anonymous
  • anonymous
13. then
paperbacon
  • paperbacon
Heres a better pic
anonymous
  • anonymous
K
anonymous
  • anonymous
1 cycle, amplitude is 2, period is 1
anonymous
  • anonymous
make sense
anonymous
  • anonymous
like when we did number 1
paperbacon
  • paperbacon
Yes
anonymous
  • anonymous
ok next one
paperbacon
  • paperbacon
Ok
anonymous
  • anonymous
y=4sin(2x) 4=amplitude sine period is 2Pi, period formula is 2pi/b, b=2 period=pi now graph
anonymous
  • anonymous
|dw:1433184729036:dw|
paperbacon
  • paperbacon
Thats what I g8t too!
anonymous
  • anonymous
14.) y=2sin(4x) Amplitude =2 Period=pi/2 Awseome
anonymous
  • anonymous
|dw:1433185086586:dw|
anonymous
  • anonymous
make snse
paperbacon
  • paperbacon
Yes
paperbacon
  • paperbacon
I need 15 and 31-33 I have the rest already
anonymous
  • anonymous
kk
anonymous
  • anonymous
15 do you want the points where cos 1/2 is at
paperbacon
  • paperbacon
No, just the answer in the interval from 0 to 2 pi
anonymous
  • anonymous
x= pi/3, 5pi/3
anonymous
  • anonymous
cos 1/2 is the x value on the unit circle, look at all values where cos is 1/2
paperbacon
  • paperbacon
For number 15?
anonymous
  • anonymous
yes
paperbacon
  • paperbacon
8kay,
anonymous
  • anonymous
our you can look at it this way, first value is pi/3, so we do 2pi-pi/3 and get 5pi/3 because 0-2pi interval
paperbacon
  • paperbacon
Okay, and numher 31 is just like 13?
anonymous
  • anonymous
exactly!
anonymous
  • anonymous
32.) remember the conversion
paperbacon
  • paperbacon
anonymous
  • anonymous
Perfect champ!
paperbacon
  • paperbacon
Yay!
paperbacon
  • paperbacon
Can you explain 32?
anonymous
  • anonymous
32.) angle *pi/180= radians, #pi*180/pi= degrees
anonymous
  • anonymous
formulas
paperbacon
  • paperbacon
Okay thanks! That helped alot. Just need 33
anonymous
  • anonymous
Ok hold on
anonymous
  • anonymous
33.) 3pi/4= 135degrees 2pi 18*135/360= 42.4inches
anonymous
  • anonymous
Hope you understood everything champ!
paperbacon
  • paperbacon
Thank you sooo much for all the help and not just giving straight answers but actually taking the time to explain. Fanned and medal! Will write testimonial tonight! :)
paperbacon
  • paperbacon
And thank you for the enccouraging words!!!
anonymous
  • anonymous
Awesome I appreciate it very much, keep studying hard!
anonymous
  • anonymous
Take care and np!
paperbacon
  • paperbacon
Could you help me with some more problems? @n648c788

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