Number of results: 124,700
Trig check my work please?
no, just test it for some value of x LS is not equal to your RS
Monday, February 23, 2009 at 8:45pm by Reiny
trig
I had answered your question. Please check before reposting to avoid duplication of work by other tutors.
Tuesday, December 27, 2011 at 10:37am by Reiny
FRENCH WORK ASAP
please please someone check my work I don't understand it fully so I am asking if someone could please check my work thank you if it's too much I'm sorry. God Bless
Wednesday, January 21, 2009 at 5:07pm by Hellokitty1993
Trigonometry
Try reviewing your trig functions and post an attempt at some of these. We'll be happy to check your work. They're all pretty straightforward applications of the definitions of trig functions and Pythagorean Theorem.
Monday, March 5, 2012 at 1:06pm by Steve
Trig-Please check
What are polar coordinates of (4,6) 1.Round r to nearest hundredth and theta to nearest hundredth of RADIAN My work: r^2 = x^ + y^2 r^2 = 4^2 + 6^2 r^2= 16 +36 r^ =52 r=7.21 I'm stuck on how to do theta in Radians, could you please assist
Friday, January 13, 2012 at 11:20am by Angela P.
pre calc trig check my work please
sin x + cos x -------------- = ? sin x sin x cos x ----- + ----- = sin x sin x cos x/sin x = cot x this is what i got, the problem is we have a match the expression to the equation work sheet and this is not one of the answers. need to figure out what im doing wrong so i can ...
Wednesday, October 20, 2010 at 11:32pm by Anna
Trig check my work please?
tan(X+30)tan(30-x)=2cos2x-1 / (2cos2x+1) i just did (tanx)(-tanx)=-sin^2x/cos^2x would taht work?
Monday, February 23, 2009 at 8:45pm by Carry
Chemistry- please check my work
We would much prefer you to show your work and let us check your answer. We can help better that way.
Wednesday, February 25, 2009 at 9:54pm by DrBob222
Alg 2 trig
What do you think? I will be happy to check your work.
Friday, March 9, 2012 at 11:05am by bobpursley
TRIGONOMETRY
Can you please help me with this question on my study guide for my trig final? Thanks! I'd also appreciate if you can check out my other postings and check my work for some other study guide questions. I want to make sure I'm ready for my final. :) 4. Transform each ...
Thursday, May 16, 2013 at 11:29am by Kate
trig
I will be happy to check your work. Find the the distance first to 9,1
Sunday, May 1, 2011 at 1:43pm by bobpursley
TRIGONOMETRY
Can you please help me with this question on my study guide for my trig final? Thanks! I'd also appreciate if you can check out my other postings and check my work for some other study guide questions. I want to make sure I'm ready for my final. :) 3. The rectangular ...
Thursday, May 16, 2013 at 11:13am by Kate
trig - please check question
Something is probably missing. Cos(90°)=0, so the result on the right hand side is zero, which cannot equal 90-45. Please check question.
Thursday, April 14, 2011 at 2:04pm by MathMate
pre calc trig check my work please
not quite, but you are close (sinx + cosx)/sinx = sinx/sinx + cosx/sinx = 1 + cotx you left out the "1"
Wednesday, October 20, 2010 at 11:32pm by Reiny
Chemistry- please check my work
That's why we like to see your work. Seeing your work made me put those remarks in about the solids.
Wednesday, February 25, 2009 at 9:54pm by DrBob222
Trig
please show me again in trig way
Saturday, May 17, 2008 at 12:40pm by Doni --i didnt get this one can please show me the trig way a little bit more clrealy
Physics - Check my work please :)
Check this please :D Which of the following three statements used to describe work are true: i)Work is done only if an object moves through a distance ii)Work is done only if energy is transferred from one form to another iii)Work is done only if a force is applied In which of...
Monday, December 12, 2011 at 10:57pm by Kellie
PLease Check My Work
3. T^2-25/t^2+t-20= (t-5) (t+5)/ (t-10) (t+2) 4. 2x^2+6x+4/4x^2-12x-16= 2(x+2) (x+1)/4 (x-4) (x+1) 5. 6-y/y^2-2y-24= 1/(y+4) *Please check them.- 3. (t-5)(t+5) / (t+4)(t-5) 4. 2((x-1)(x+2)) / 4((x+4)(x-1)) 5. (6-y) / (y+6)(y-4) i dont really understand what this is... but lol ...
Thursday, February 22, 2007 at 7:31pm by Margie
CORRECTION :Trig--check answer
the 6th line down which was << only 60º and 300º work >> should have said : only 45º and 225º work
Wednesday, April 15, 2009 at 4:40pm by Reiny
trig please
the circles go to the top and there measurements i included in the pictures and there are right angles
Monday, September 14, 2009 at 6:25pm by trig please
Trig
tan 75 (show all work please)
Friday, February 18, 2011 at 9:42pm by Paige
Math[PLease Check]
Problem: 25-x^2 6 ------ * --- 12 5-x What I got: 5-x --- 2 *PLease Check My Work. No. Factor the 25-x^2 into two factors. Then the 5-x in the denominator divides out. So then is it: 5+x --- 2 yes. 12x12
Saturday, February 24, 2007 at 6:12pm by Margie
thermodyn. please check work
2. does the temp of the nail not increase? 3. When you squeeze gas it gets hot. If you do it rapidly enough there is no time for heat to escape. 4. That did the gas do work on? 5. Again I do not see any work being done. 6. The steam expands through the turbine, losing ...
Saturday, August 15, 2009 at 10:26pm by Damon
Pre-Calculus/Trig Check please and help
correc, typo. -3x^2
Monday, September 5, 2011 at 8:52am by bobpursley
Trig- Check my answer Please
I now think its 36 degrees
Saturday, May 14, 2011 at 8:21am by Rachal
Trig
Use Trig identities to verify that sec^4(x)-tan^4(x)=1+2tan^2(x), Only work with one side of the equation
Tuesday, March 1, 2011 at 5:23pm by Anonymus
Trig check my work please?
good job I usually pick some angle, say x = 21, and sub it into the original, and the final. of course they have to be the same. This does of course not "prove" your answer is right, but the probability that you would get the same result if you had an error would be...
Monday, February 23, 2009 at 8:42pm by Reiny
physics
post your work, please, I will check it. Ahhh. did you work mass in kg?
Monday, June 20, 2011 at 1:50pm by bobpursley
Chemistry(Please Check)
4,5,6 look ok. 1,2,and 3 I can't confirm. Show your work on those. I didn't check 7.
Monday, April 23, 2012 at 11:56am by DrBob222
IT
Please know that no one will do your work for you. If YOU post what YOU THINK, someone here will be happy to check your work.
Monday, September 10, 2012 at 8:15am by Writeacher
math
the key...^=exponent QUESTION: What is 2^3-6x3^2 Can anyone help me please!!!! 2^3 is 8 3^2 is 9 I will be happy to check your work. is it 1? [[[help]]] u there No, of course not. Where is your work?
Thursday, October 5, 2006 at 5:17pm by jessica
maths (trig)
how would you work out tan 50=27/x please help
Monday, February 11, 2013 at 1:56am by random name
function and trig.
(1/x - 3/x+4) / 1/x square -16 please help me with this question if you can show the work or explain how to solve. thank you
Thursday, January 15, 2009 at 2:06pm by yaneth
Spanish: Please Help
No one will do your work for you ... but if you indicate what YOU THINK the answers are, we'll find someone to check your work.
Wednesday, February 27, 2013 at 12:22pm by Writeacher
english
No one here will do all your work for you. Please be sure to post what you think, and we'll be happy to check your work.
Tuesday, January 29, 2013 at 12:29am by Writeacher
Trig-Please check
Thank you Damon-I reworked it on the calculator to make sure I knew what I was doing-thank you again for helping
Friday, January 13, 2012 at 11:20am by Angela P.
Calculus - please check my work
Differentiate each function a) y = -3x^2 + 5x - 4 b) f(x) = 6/x - 3/(x^2) c) f(x) = (3x^2 - 4x)(x^3 + 1) the answers i got for each was: a) y'= -6x + 5 b) f'(x)= -6/x^2 + 6/x^3 c) f'(x)= 15x^4 + 6x - 16x^3 - 4 please double check and let me know if these are ...
Monday, June 18, 2012 at 5:48pm by Henry
Physics please check
since work is done on the gas, the value of work has to be negative. so you would do 2531 + 1101 instead
Sunday, April 15, 2007 at 3:01am by kat
geometry
Alan -- please post your work. We're much more willing to check your work than to give you answers.
Tuesday, October 2, 2007 at 10:11pm by Ms. Sue
Spanish-Please check my work
Could someone please check this for me. I had to rewrite the following sentence using a direct object pronoun in two different ways. I wrote: Nosotros queremos leerlos. Los hosotros queremos leer. Thank you for checking
Sunday, January 29, 2012 at 6:22pm by Jillian
trig
Solve for x if sin2x=cos(x+60 and x€ [-90,180].show all work details
Sunday, February 26, 2012 at 12:58pm by please help now
Trig
Determine the roots of the function f(x)=-2cos(3x)-1. Can you please show all the work so it is easier to understand, thank you!!
Saturday, July 24, 2010 at 4:36pm by Nada
Trig- Check my answer Please
give 2 positive and 2 negative theta that are at terminal with the given quadrilateral 90 degress
Wednesday, May 11, 2011 at 7:31pm by Anonymous
pre calc trig check my work please
I do not see why you changed the + into a ÷, namely: from: sin x cos x ----- + ----- = sin x sin x (which I see as sin/sin+cos/sin) But sin x/sin x = 1, and cos x/sin x = cot x so the sum is 1 + cot x.
Wednesday, October 20, 2010 at 11:32pm by MathMate
trig
How do you solve cos(2arcsin 1/4) using inverse trig. functions??!! PLEASE HELP ME!
Monday, May 9, 2011 at 11:20am by Tor
trig
I don't know to find the derivative of the following trig functions. Please help. f(x)= cotx h(x)= secx i(x)= cscx
Thursday, January 19, 2012 at 8:45am by Claire
Physics-please check my work
please?? this is due in an hour!
Tuesday, December 11, 2012 at 2:57pm by Gavin
math (please check my work)
i got y=x-4 then can u please proofread that for me
Tuesday, February 23, 2010 at 4:09pm by jerson
math-please check my answer
0.6x + 4 < 1.0x - 1 6x + 40 < 10x - 10 4x > 50 x > 12.5 can someone please check my work and tell me if I am right?
Friday, July 30, 2010 at 10:22pm by Michelle
trig! please help!
to bobpursely: i need to simplify the expression using trig identities. and no i meant for there to only be x
Sunday, May 13, 2012 at 8:59pm by Brianna
trig
I don't know to find the derivative of the following trig functions. Please help. f(x)= cotx h(x0= secx i(x)= cscx
Thursday, January 19, 2012 at 8:45am by Claire
Math/Physics(Please check work)
Please disregard. I figured out my mistake.
Thursday, November 1, 2012 at 12:51pm by Hannah
trig please
I have no idea how to do this Find the value of the angle theta in degrees rounded to the neartest tenth of a degree. I have no idea were to start... h t t p : / / i m g 6 . i m a g e s h a c k . u s / i m g 6 / 5 8 9 9 / a d s f a s d f a s d f a d s f s a d f . j p g
Monday, September 14, 2009 at 6:25pm by trig please
TRIG
if sin s = -5 /13 and sin t -3/5 s is in QIII t is in QIV find tan (s-t) i got that tan (s-t)= 56/53 is that right? can someone check my work?
Thursday, March 5, 2009 at 8:09pm by John
trig
I hope you know the CAST rule, telling you were each of the trig functions is either + or - tanx + 1 = 0 tanx = -1 so the angle x must be in II or IV the angle in standard position is 45º, some call it the related acute angle. in II x must be 180+45 = 135 in IV x must be ...
Thursday, May 1, 2008 at 4:31pm by Reiny
Spanish-Please check my work
Please see your later post, which I saw first. Sra
Tuesday, March 8, 2011 at 12:30pm by SraJMcGin
5 th grade
can you please check my work. I got 585 is the median . i hope it right or if not please help me again!
Tuesday, November 2, 2010 at 10:42pm by pat
Trig please help!
sin^6 x + cos^6 x=1 - (3/4)sin^2 2x work on one side only!
Monday, February 23, 2009 at 4:05pm by hayden
Pre-Calculus/Trig Check please and help
First find (x-3i)(x+3i)=x^2+9 and then (x-3)(x^2+9)=x^3-3x^2+9x-27
Monday, September 5, 2011 at 8:52am by Mgraph
Please check-Reiny
Could you check these two problems? 3sqrt (y+2) = 3 is y = 25 Answers were: true or false I said true because I did it like this Square both sides=y + 2 = 3^3 y+2 = 27 y = 25 and sqrt (2y-6) = 3-y for y answes are: no solution 5 3,5 3 I said 3 because I did it like this: 8y -...
Tuesday, October 12, 2010 at 9:42am by Michelle
Trig
The next two steps in solving this trig identity question are ??? 1/csctheta x costheta x sintheta x sectheta = sinsqtheta arghhh need help please
Saturday, December 17, 2011 at 7:43pm by Don
Chemistry
George, how much of this do you know how to do? This is a lot of work for me just to check your answers and I don't want to work these if you already know how. If you have worked these, post your work and I'll be happy to check your answers. I can do that much faster ...
Sunday, April 3, 2011 at 5:13pm by DrBob222
trig
testing if x = 20º LS = cot60/csc20 = sin20/tan60 = .1975 RS = cos20(1/sin40 - 1) = .5222 Your equation is NOT an identity. A check should always be your first step when proving complicated-looking trig "identities".
Wednesday, October 21, 2009 at 10:08pm by Reiny
chemistry-please check my work
Determine the mass of carbon monoxide that is produced when 45.6 g of methane CH4 react with 73.2 g of oxygen gas, O2. The products are CO and H2O. Please check my work: CH4 + 3O2 ---> 2CO + 2H20 nCH4=2.84 mol nO2=4.58 mol Limiting Reactant: 1 mol CH4/2.84 mol CH4 = 3 ...
Friday, May 23, 2008 at 7:34pm by Sarah H
Calculus - please check my work
thank you! can u help me on this question please determine the coordinates of two points on the plane with equation 5x + 4y - 3z = 6
Monday, June 18, 2012 at 5:48pm by Henry
Eath Science
I'm sorry. Please forgive me. Ms . Sue, Please check my work on Wednesday, July 20, 2011 at 9:34am. Thank you.
Wednesday, July 20, 2011 at 11:19am by Priya
please check my work language
-write the plural for each noun potato-potatoes shoe-shoes auto-autos speech-speeches -describe the kinds of information about words that can found in a dictionary *prononciation *parts of speech *definition and the word *how many syllabuls a word has is there anything else ...
Wednesday, April 14, 2010 at 6:46pm by dena
chem- plz check my work
I didn't check the math but the procedure is right. Good work.
Wednesday, December 8, 2010 at 6:09pm by DrBob222
Math (Trig) a.s.a.p, thanks!
for the third one you had 1+cos2x/sinx=cotx Your lack of brackets made this ambiguous. I tried (1+cos2x)/sinx=cotx and tested with 40º, did not work I tried 1+cos^2 x/sinx=cotx and tested with 40º, did not work I tried 1+(cos2x/sinx)=cotx and tested with 40º, ...
Thursday, April 10, 2008 at 8:43am by Reiny
math-PLEASE CHECK AND HELP
find the surface area and volume of the right circular cylinder. The radius is 3 and height 6. This is what I put for volume: v=pir^2h pi(3cm)^2 6 cm= 54pi cm cubed can you please check this and show work on how to do the surface area? Thanks.
Sunday, May 16, 2010 at 9:15am by crystal
math
could someone please refresh my memory of the basic trig functions? ex) cos^2 + sin^2 = 1? That is a trig identity. http://www.sosmath.com/trig/Trig5/trig5/trig5.html
Thursday, April 12, 2007 at 10:18pm by raychael
trig
Please check if there should be two equal signs in the equation, and also if the 1-tanx and 1-cotx should have been in parentheses.
Tuesday, June 2, 2009 at 6:26pm by MathMate
physics
Thank you drwls. You have a little math error though the answer is 541. I understand everything you did. Can you PLEASE be the person to check my work PLEASE?
Monday, April 7, 2008 at 12:07pm by Jon
language art CHECK
Will somebody please check this for me and see if i used the words correctly please? Having spent many years as political opponents, the two senators have developed a(n)MUTUAL respect for each other. Please check if it is correct. thank you
Tuesday, January 17, 2012 at 8:51pm by saranghae12
trig
use sum or difference identities to find the exact value of the trigonometric function: tan 345 please show work, i cant figure out what im doing wrong!
Thursday, November 19, 2009 at 7:38pm by Anonymous
Math please check answer
please check my answer thanks What would be the amount of compound interest on $ 8,000 invested for one year at 6 %, compounded quarterly ? (need to show all of your work ) ok this is what I got $8,000 x 0.6 = $ 480 $ 480 / 4 = $120 $120 x 0.6 / 4 = $ 121.80 $8,241.80 x 0.6 /4...
Monday, May 19, 2008 at 5:14pm by Maria
Trig
Why did you label this "trig" ? Your expression should be an equation if it is to represent either an ellipse or a hyperbola. Should it be ....... = 1 ? secondly, you have "bouncing exponents" What is (x+3)^2/4^2 supposed to say? the way you typed it, it ...
Saturday, January 14, 2012 at 2:08pm by Reiny
Algebra I-
(solving for x) 3(x+5)=6x-4+7(-7x-1) Each time I try this i plug the numbers in and i find out that i am worng. Please help! I get -13/23 but I didn't check it. Post your work if you want me to check it and find your error.
Sunday, January 21, 2007 at 11:19pm by Victor
Pre-Calculus/Trig Check please and help
Could someone please check the first one and help me with the second one. I'm stuck-Thank you 1.What are theroots of the following polynomial equation? (x+2i)(x-5)(x-2i)(x+8) = 0 I think the roots are -2i,5,2i,-8-you take out the roots as opposites of what are in the ...
Monday, September 5, 2011 at 8:52am by Tabitha
Trig- Check my answer Please
Find the reference angle for -144 degrees. I'm coming up with 504 degrees, but I think I'm missing a step.
Saturday, May 14, 2011 at 8:21am by Rachal
PHYSICS CHECK WORK PLEASE
I am getting the wrong answer. Can you please check my work? My answer is off by a multiple of ten. A sample of an unknown material appears to weigh 295 N in air and 165 N when immersed in alcohol of specific gravity 0.700. (a) What is the volume of the material? ___________m^...
Thursday, November 8, 2012 at 9:15pm by AMY
Trig?Precalc
write the rectangular equation x^2+y^2=6 in polar form. I do not want people to just post the answer! Please, show your work so that I can understand how to do these kinds of problems myself! Thank you and God Bless!
Thursday, April 19, 2012 at 12:40pm by tabby
Trig check my work please?
8 sin²(3x) cos²(3x) = 2 [2 sin(3x) cos(3x)]² = 2 [sin(6x)]² = 2[1 - cos(12x)]/2 = 1 - cos(12x)
Monday, February 23, 2009 at 8:42pm by Carry
Spanish Check??
Check my spanish work on page 2 please? Anyone?
Friday, January 4, 2013 at 12:14pm by Victoria
Calculus - please check my work
thank you
Tuesday, June 19, 2012 at 12:26am by Henry
Calculus - please check my work
thank you
Monday, June 18, 2012 at 5:48pm by Henry
Calculus - please check my work
thank you!
Monday, June 18, 2012 at 5:55pm by Lenna
Math, please check work
Thank you!
Sunday, February 21, 2010 at 11:59am by Lyndse
Math, please check work
Yes
Sunday, February 21, 2010 at 11:59am by BubblyStar
Physics
please check these: In which of the following sentences is WORK used in the scientific sense of the word? a. holding a heavy box requires a lot of work b. a scientist works on an experiment in the laboratory c. sam and rachel pushed hard, but they could do no work on the car d...
Monday, February 9, 2009 at 5:27pm by y912f
chemistry
This is a lot of work and you need to know how to do this type problem. So tell us what you understand, how much you can do, and what you don't understand and we can help you through it. I'm not interested in spending the next hour typing the answers just so you can ...
Monday, February 18, 2008 at 8:51am by DrBob222
science
Please check my work 3M solution of NaOH (1 liter worth) molecular weight: 39.99 3 x 39.99= 119.97 grams dilute to 1000mL 3 M solution of HCl (1 L) c1v1=c2v2 (12M)(?)= (3M)(1000mL) ?= 250 mL please check thank you
Monday, October 13, 2008 at 2:12pm by ag
Trig
Im having serious issues with verifying Trig. identities. Please help! Here is an example: (tanX-secX)^2= 1-sinX/1+sinX
Monday, November 7, 2011 at 7:24pm by Rachel
chemistry(Please check)
Thank you for checking my work!!!
Friday, January 20, 2012 at 4:19pm by Hannah
Algebra-Please check work
but (y^2 + 4y + 4) is (y+2)^2
Monday, October 31, 2011 at 7:39pm by Damon
Spanish Could someone please check my work? Thank
Thank you
Monday, April 18, 2011 at 2:01pm by Mellie
Spanish-Please check my work-Thanks
Thanks
Tuesday, February 22, 2011 at 1:32pm by Ray Scholz
Algebra-Please check my work
yes, correct
Wednesday, October 20, 2010 at 3:08pm by Reiny
language please check my work
Your revision is ok.
Wednesday, April 14, 2010 at 6:19pm by bobpursley
chemistry(please check my work)
That looks ok to me.
Saturday, April 3, 2010 at 1:04am by DrBob222
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