Search: trig confused.. pls help

Number of results: 14,481

trig confused.. pls help
Write a basic porgram to find the trigonometric ratio of sin,cos,and tan,cotagent
Tuesday, May 3, 2011 at 9:55pm by Anonymous

science
pls. pls. pls. somebody help me...you see im on a science class and i don't want to go to the regular section, so pls.... give me an acrostic for the word "SCIENCE"
Wednesday, June 11, 2008 at 6:59am by chris

trig pls.. help me
thank you so much...
Monday, May 2, 2011 at 4:03pm by Mhy

Chemistry :'(
(d) Which of the following sets of quantum numbers is not permitted? Select all that apply. 2,1,1,-1/2 1,1,0,-1/2 2,-1,1,-1/2 3,2,1,1/2 Pls pls pls help me :( x
Sunday, November 18, 2012 at 9:03am by Anonymous

geography
hi,i have make a project on hurricane Katrina on disaster management pls help to get information pls pls help me............
Thursday, June 17, 2010 at 12:15pm by varsha

CHEMISTRY
can someone pls help me with this as i am so confused and overwhelmed by this subject!
Thursday, September 9, 2010 at 10:54pm by lucylu

physics
A man is driving his car ata velocity of 100km/h on a straight road. H e sees a traffic jam at a distance and slows down to 12.5m/s in 3.0s. What is the average acceleration of the car? pls help. I know that the formula for average acceleration is V2-V1 divided by T2-T1 but ...
Wednesday, October 12, 2011 at 9:41pm by ted

chem
thanks for the explanation pls is it endothermic or exothermic reaction i'm confused with this
Monday, November 26, 2012 at 2:45pm by tracy

Finance
Omega Instruments has budgeted $300,000 per year to pay for certain ce- ramic parts over the next 5 years. If the company expects the cost of the parts to increase uniformly according to an arith- metic gradient of $1 0,000 per year, what is it expecting the cost to be in year...
Sunday, May 26, 2013 at 3:45am by Aly

Math
Can u pls pls pls solve this algebraic expression?? I cant solve it although I tried many possible ways and solutions :/ 10+1/3[4k-(18+7k)]
Sunday, July 31, 2011 at 11:48am by Sally

chem
What does it mean by Keq? Pls need an explanation with this. I'm a little bit confused. Thanks
Monday, December 3, 2012 at 1:52am by Bea Alonzo

help me pls :(
ms sue pls help me explain to me how you do it pls
Thursday, November 15, 2012 at 10:44pm by :(

math exponents
I dont understand you who did got this answer can you pls explain to me agian sorry im confused
Saturday, September 8, 2012 at 2:02pm by marko

Trig
Need answer check pls. Find the rectAngular equation for the plane curve by parametric equAtions. X=t +4 , y= t^2
Sunday, April 25, 2010 at 11:50pm by Stacey grahaM

Chemistry
Determine the mass of zinc sulphide,ZnS which is produced when 6.2 g of zinc and 4.5 g of sulphur are reacted. This question is really confusing me, and I'm not sure where to start. I think I have to calculate the moles of each given reactant first in which case I have: ...
Sunday, October 17, 2010 at 5:51pm by Dan

MANIPULATION OF DNA
can anyone describe to me what this is pls? also can anyone pls explain how dna manipulation works and what it does pls?
Wednesday, April 1, 2009 at 9:42am by GLORIA

algebra rational numbers
reiny could you see what dana posted she said all but 1 was wrong im confused no #2 was wrong it s/b >
Wednesday, December 7, 2011 at 8:48pm by marko pls help

chem
Describe in detail by words how to prepare 200ml of .150M HCl from a 1.00 M HCl stock solution? Need help with this please? i used C1V1=C2V2 and got volume 2 = 33L or 0.33mL. to prepare the solution i need to weigh 1 gram of HCL (from 1.00M HCl stock solution)lets say i put it...
Tuesday, November 27, 2012 at 1:22pm by vince11

Math
using echelon method 4x-2y=9 20x-10y=27 pls help with problem. Once I get 24x -2y 36 I'm confused after that.
Saturday, February 27, 2010 at 12:57pm by Marie

Quantum Physics
Anyone??? Pls Q5... guys do soething pls
Tuesday, April 16, 2013 at 12:32am by INDEED Need

urgent maths pls
Pls d answer isn't really clear. And where did d triangle come from??
Monday, March 18, 2013 at 7:18am by me

physics.pls help
How do you know what element is chemically active on the periodic table? PLS HELP
Wednesday, October 5, 2011 at 10:33pm by ted

physics.pls help
can you help me to isolate the ''t'' in this formula. d=V1t+1/2at^2 pls help
Saturday, November 5, 2011 at 2:16pm by ted

Trigonometry
Pls tell me how to find out sin70.Pls
Tuesday, March 22, 2011 at 10:03pm by Sunny

math help
1/4 divided by 3/8 pls help me im confuss i forgot the ste pls explain
Saturday, October 27, 2012 at 9:24pm by Anonymous

physics.pls help
Why is it important to asaume that a rope under tension is taut and does not stretch. pls help
Monday, November 14, 2011 at 6:27pm by ted

Physics ~ missed this lecture pls help
I was able to get distance but both my magnifications were incorrect. pls help
Thursday, April 28, 2011 at 9:20pm by cr

food science
pls give me an idea on the formulation of bavarian cream filling. pls. thank you
Friday, January 4, 2008 at 3:41am by vcq

geography
I need this for xtra credit pls pls help
Tuesday, December 9, 2008 at 11:30pm by ciara

math (trig)
im a bit confused as to where the 8sin(x) came from
Tuesday, December 18, 2007 at 8:02pm by jess

physics.pls help
A 100g bird sits in its nest. what is the Fnet(net force) in this case? pls help
Thursday, November 10, 2011 at 5:40pm by ted

acids and alkalis
Pls help me. Pls tell me some bases (alkelis)other than any cleaning products.
Saturday, November 4, 2006 at 5:56am by Rani

Science(Help NOW, Pls)
wat elements make up water? pls help! i will be very happy if you do! :S
Wednesday, December 15, 2010 at 9:29pm by GirlSense

Science(Help NOW, Pls)
organisms in which domain live in every environment? pls help, im stuck on this one. :S
Wednesday, December 15, 2010 at 9:24pm by GirlSense

CHEMISTRY
Help me pls
Thursday, March 21, 2013 at 5:44pm by Lance Pls explain to me this Problem

Pls check math
Can someone pls help me. ??
Monday, September 17, 2012 at 7:38pm by Marko

physics
Please can i get the answer pls and pls
Wednesday, October 12, 2011 at 11:59am by Segun

trig
ok, the back of the book is wrong then because the answer says: "no" ... and then i got confused, k thank you!
Monday, April 27, 2009 at 6:14pm by Anonymous

Trig( you confused me)
I get the work part of it but for this question is it one solution or two?
Friday, March 7, 2008 at 1:30pm by Jon

trig confused.. pls help
A group of mountain climbers are using trigonometry to find the height of a mountain located in the Rockies. From point A, which is due west of the mountain, the angle of elevation to the top is 56 degrees. From point B, which is due east of the mountain, the angle of ...
Tuesday, May 3, 2011 at 9:55pm by Mhy

e commerce or marketing, help pls
hi,good evening everyone can you help me on finding a clothing manufacturer resource system??? pls thank you
Tuesday, December 6, 2011 at 8:17am by need ASAP

Calculus
oh and just to be clear you got this using trig identities right?
Monday, December 13, 2010 at 9:36pm by dazed and confused

trig
im confused with what you did. my teacher said it was something like Co + 45°=1/tan45° =1/O/A= A/O=1/1=1
Monday, May 19, 2008 at 6:32pm by jerson

Physics help
A 90 kg parachutist in free fall has an acceleration of 6.8 m/s^2. What is the frictional force provided by air resistance when she is accelerating at this rate? For this question i got 612N but the text book answer says it is 270N. Pls help!! I'm confused
Thursday, March 21, 2013 at 5:46pm by Ted

Chemistry
rank the following atoms and ions in the order of expected increasing radius: Ca, Ca2+, Ar Pls pls help me kindly... Anyone?
Sunday, November 18, 2012 at 9:05am by Anonymous

pls help not sure of answer
pls help
Tuesday, January 15, 2008 at 10:13pm by Anonymous

11th grade math algebra 2 trig
I'm just really confused about everything
Thursday, October 9, 2008 at 9:37pm by Colleen

chem
4HCl+O2=2Cl2+H2O Detremine the Kc expression for the reaction above by identifying what belongs in the numerator and what belongs int he denominator? pls do help trying to understand the concept but still confused.
Monday, November 19, 2012 at 12:07pm by byke

physics
pls explain this to me ? "momentum is inertia....but inertia is NOT momentum" :S confused
Sunday, December 9, 2012 at 4:54pm by Anya

algebra compare rational numbers
so all but #2 is wrong i see what i did now on # 2 and agree should be < as: -3/4 becomes -0.75 -3/8 becomes -0.375 so -0.75 < -0.375 right? im really confused because i posted this question earlier and someone else just replied and said all my answers are wrong...
Wednesday, December 7, 2011 at 9:18pm by marko pls help

physics
pls explain to me how you add 65km{North 85 degreesWest], 3500m[South 10 West}, 6000m{East 70 degrees South], 54km[North 60 degrees East]. pls explain to me how i should add these vectors. I really need help. pls help
Wednesday, October 26, 2011 at 4:58pm by ted

math
pls help. There are three times as many girls than boys in a school choir. If there are 27 girls how many children are there altogether. Thank you
Wednesday, August 24, 2011 at 6:20pm by ST pls ASAP

help me pls :(
can u help me with 1-3 explainto me pls i dont get it
Thursday, November 15, 2012 at 10:44pm by :(

Math
Pls help .[1] Solve the eguation 4*=28. [2] change 1/20 to decimal [3] change 60% to a common fraction . Pls i need the solving thank you
Thursday, February 23, 2012 at 1:36pm by Bright

trig
The displacement (in centimeters) of a particle moving back and forth along a straight line is given by the equation of motion s= 2 sin pi t + 3 cos pi t, where t is measured in seconds. (a) Find the average velocity during each time period: (i)[1,2] (ii) [1,1.1] (iii) [1, 1....
Tuesday, September 23, 2008 at 8:40pm by Sarah

sociology-pls help
similarities between milgram's experiment and stanford experiment pls help
Friday, November 4, 2011 at 9:19pm by ted

science
pls could u give me a website with all the science warning signs on in pls?
Tuesday, October 13, 2009 at 1:07pm by holly

physics.pls help
How much time can you save travelling diagonally instead of running 450meters south and then 650meters west. if your running speed is 5.0m/s. pls help
Tuesday, November 1, 2011 at 6:25pm by ted

Science(Help NOW, Pls)
when rock layers are pulled from opposite directions, one block tilts up, while the other block does what? answer pls, need help.
Wednesday, December 15, 2010 at 10:03pm by GirlSense

values...pls. help me
can you help me please how to get an answers for this question below.. pls.give me an examples for this question. thanks God bless you.. 1.xplain a strategy wherein a liability may turn out to be an asset to ANYONE?
Thursday, August 25, 2011 at 9:28pm by Jessie

trig
I'm trying to see if the teacher didn't give us the right problem or if I'm just not getting it. The problem is "re-write the expression without a fraction: 4/(1-sin x)". I can do it if the problem is sin squared x but I don't know how to solve the ...
Saturday, September 19, 2009 at 5:30pm by Priscilla

MATH
i am really confused is this how it should be for the actual cost $13.20 divide 0.44 oz = 30 x 16 = $480 for 1 lb for the estimate: $13 divide by 0.40oz = 32.5 x 16 = $520 pls advise
Monday, September 5, 2011 at 2:21pm by MARCO

epp
pls this is just a simple question how can plants grow using the branch? using the fruit? ang using the head? pls answer in english or tagalog, thank you!!!
Tuesday, February 19, 2008 at 7:11am by renz anthony

physics-pls help
The ball is thrown froma height of 10 meters with an initial upward velocity of 3.0m/s. How long does it take to land on the ground? What is its maximum height? i know the formula is d=v1t+1/2at^2 but i do not know what else to do. pls help
Monday, November 7, 2011 at 4:05pm by ted 2

Trig
Find all the solutions in the interval [0,2pi). 2sin2x - sqrt(2) = 0 sin2x = sqrt(2)/2 I'm confused by the double angle. Please help.
Tuesday, December 2, 2008 at 9:24pm by Travis

math
PLS help There are 3 times as many girls as boys in a school choir. What is the ratio of the number of girls to the total number of childern? Thank you for your help
Wednesday, August 24, 2011 at 1:47pm by ST pls ASAP

science,details about fish HELP PLS!!!!!!!!
Why are fish important? how do they help balance the ecosystem? how can we protect fish? what does overfishing affect other than fish? Pls and thank you
Tuesday, April 7, 2009 at 7:55pm by Jan

gegraphy
am check spelling the words from the question. the one that says porcess is process the one that says hoe is how. pls i need the answer pls. thanks
Saturday, June 12, 2010 at 10:59pm by Ted

electronics
pls help me guys... 1.) what is the function of cathode? 2.) what is the function of anode? pls answer it specifically and direct to the point. thanks guys. I really appreciate your big help on me. :)
Tuesday, June 30, 2009 at 8:48am by akitsuke

physics
1.a2.b3.c4.a5.c6.c7.c8.a9.a10.c11.c12.d13.b14:a15.d16.c17.b18.c19:d20:b. Pls here are my answers for ur correction, pls.
Wednesday, October 12, 2011 at 11:59am by Joy

physics- TEST TMRW PLS HELP!
w w w . m e d i a . c h e g g c d n . c o m / m e d i a / a c 3 / a c 3 b b 1 e 1 - 5 b a 8 - 4 1 9 e - 9 a 8 4 -a d 5 0 e 4 6 a 2 9 4 e / p h p s U O o L 3 .p n g (delete all spaces for link to work) Determine the magnitude of the resultant moment produced by the forces about...
Sunday, December 9, 2012 at 7:11pm by Anya

Math
Could someone pls. help me out on the following question: find the producers surplus (to the nearest dollar ) at a price level of p=$26 for the price-supply equation p = s(x)= 5ln(x+1) . An early response would be greatly appreciated pls. Thank you.
Saturday, January 12, 2013 at 12:44pm by Jim

VALUES..PLS HELP ME..MS. SUE URGENT PLS.
Great ideas! Self respect also means being proud of oneself. You do your best and like yourself.
Friday, August 26, 2011 at 10:40pm by Ms. Sue

Life orientation
Pls we nid help hre. Our god ddnt giv us de equal mindsets dats y we nid help frm u guyz pls hv merssy on us
Monday, February 21, 2011 at 10:15am by Tinny m.k

Life orientation
Pls we nid help hre. Our god ddnt giv us de sym minds dats y we nid help frm u guyz pls hv merssy on us
Monday, February 21, 2011 at 10:15am by Tinny m.k

math
y=x^2e^x I am suppose to find the dy/dx of this the way i did it was x^2e^x times dy/dx of x^2 and got x^2e^x times 3x^2 this is not right and im confused on how to solve it help pls.
Wednesday, August 12, 2009 at 9:34pm by sonia

Algebra 2/Trig
Solving Multivariable Linear Systems: 3x-5y+5z = 1 5x-2y+3z = 0 7x-y+z = 5 I am confused on how to solve this. I'm supposed to use the Row-Echelon form. Thanks.
Thursday, February 26, 2009 at 8:36pm by Chris

Math - Trig - Double Angles
Ugh...nevermind I'm so confused... If I did the right side, would it be more easy than the left side? I don't think I know how to expand with identities...
Saturday, November 17, 2007 at 6:17pm by Anonymous

trig
Ok, I'm kind of confused. A log's base typically 10 right? Why would you write log 3^(2-x)? Shouldn't it be log(sub3) 2-x) ?
Tuesday, June 16, 2009 at 6:22pm by Chris

physics.pls help
Participants in a road race take water from a refreshment station and throw their empty cups away farther down the course. If a runner has a forward speed of 6.20m/s, how far in advance of a garbage pail should he realease his water cup if the vertical distance between the lid...
Wednesday, November 9, 2011 at 4:56pm by ted

parenting
making the decision to have a child is momentous. it is to decide forever to have your heart go walking outside your body. pls i was asked to write a one page reflection, but i don't know what to write or how to start. pls help me
Sunday, September 12, 2010 at 6:23pm by Ted

Chemistry
Ca(OH)2 has a Ksp of 6.5 x 10^-6. If 0.37 g of Ca(OH)2 is added to 500 mL of water and the mixture is allowed to come to equilibrium, will the solution be saturated? pls help me I stayed up all last night trying to get this one question :(
Sunday, November 18, 2012 at 9:10pm by Kevin pls it's due at midnight :(

mathh (unit rate)
Pls help! im in 6th grade and i wus absent so i dont knw how to do this! prob 1.180 words in 3 min 2.$4 for 8 bottles of water and thts it! 4 now at least pls! help! if u knw the awnsers txt me at! 509-723-9630! thanx!(:
Tuesday, August 22, 2006 at 11:03pm by Anonymous

CHEMISTRY> HELP QUICK! pls
I GOT THIS WRONG IN AN ASSIGNMENT. I HAVE AN EXAM IN 2 DAYS. CAN YOU SHOW ME HOW TO DO IT PLS. What is the pH of a 2.62 x 10 -1 M NaNO2 solution ? NB the pKa for HNO2 = 3.153. 12.13 13.42 1.87 8.29 0.58
Friday, June 4, 2010 at 9:32pm by Lucinda

chem
Can anybody explain to me how to determine the endormicity and exormicity in a reaction and where does the equilibrium shift. Pls. give an example of it. Iwas reading my book and trying to understand but i really can't comprehend it. Now I'm stuck here i can't ...
Thursday, November 29, 2012 at 8:12pm by Angel Locsin

algebra-trig
Can someone please explain to me how to graph sine and cosine step by step because I am so confused and I really really need help.
Thursday, April 12, 2012 at 1:19pm by missy

Confused
Thank you for using the Jiskha Homework Help Forum, BUT, please do not call this "Confused." Call it "Graphing" or "Math" or whatever class it is for. Most of the volunteers are looking for a certain area and probably wouldn't even look at &...
Friday, June 13, 2008 at 5:38pm by SraJMcGin

11th grade math algebra 2 trig
i solved for the longer equation and got a=b+4 i put that in the smaller equation and got b-2=b iam confused
Thursday, October 9, 2008 at 9:37pm by Nick

Matt
The established position that one occupies within a social structure and that carries with it a degree of prestige is called a: 1. Status 2. Status set 3. Role 4. Role Set I know it is status but I am confused between Status and Status set. I think it should be status set ...
Friday, June 13, 2008 at 2:52pm by Sociology

Trig
Find the amplitude, if it exists, and the period of: y=tan1/4x. no amplitude I got confused, is the period 4pi? And is that the same as saying 360 degrees?
Friday, March 7, 2008 at 9:22pm by does it matter at this point?

College Mathmatics
Thank u so much, this is the 1st lesson in this class, and my 1st math lesson in college period, and im 26, so im a little out of the loop and extremely confused when it comes to math. Thank u so much. Would u mind explaining it to me pls?!
Tuesday, May 10, 2011 at 10:14pm by Ash

chemistry pls help
If 10.0 mL of 1.0M HCl is added to 90 mL water, what is he concentration of the new solution? What is the pH of this solution? If the solution is titrated by 0.500M Ca(OH)2, how much volume (ml) of NaOH necessary? Need help pls.
Saturday, December 8, 2012 at 12:37am by Emmy

Trig
Lisa, saw that one last night, confused about the angle 'a' in xcosa and xsina. secondly where does x come in ? describe your triangle. I have a triangle with sides a and b and Ø as its contained angle.
Tuesday, April 17, 2012 at 8:00am by Reiny

Trig
How do I prove the following Identity? sec x(sec x-cos x)=tan^2x If there is a certain website or suggestion to help with these type of equations I would greatly appreciate it. I've been studying these for a while but still get pretty confused.
Tuesday, May 31, 2011 at 9:20pm by Mel

trig
im sry im still kinda confused. can you show me once again please and explain everything you do thnks: y=2x+3 y=4/square root of x^2+81 thnks alot!!
Friday, November 14, 2008 at 11:25am by y912f

physics- TEST TMRW PLS HELP!
how would i do this? -----------------A-----------B-------- I<----1.5m------>l<--0.6m-->l<-0.3m->l a carpenter carries a 6kg board . the downward force he feels on his shoulder (A) is .... ? (B is where his hand is) pls help!! i have ...
Sunday, December 9, 2012 at 7:29pm by Anya

Physics pls help
What am I doing wrong? Sqrt (9.10939x10^-31)x(2)x(6400)/(1.60218x10^-19)sqrd =673966.5256 ans * (1/.051) = 13215029.91 Wrong answer. I have entered four wrong answers. I can not enter another wrong answer and pass this homework. pls help!
Thursday, April 14, 2011 at 7:26pm by cr

trig
can you please show me in steps how to find f(1+a) in this equation f(x)=-2x^2+4x+6 i know that you will plug in 1+a anywhere there is x. but after that i get confused. also can you tell me how to find the domain and range of a relation for ex. 2x+5y=10 thanks for your help!
Friday, November 14, 2008 at 11:25am by y912f

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