Trig check my work please?
89,826 results, page 11

Trig identities
Sin x/[1cos(x)] = csc x + cot x Please Verify the Identity. I have been going in circle with this one... Just a hint would be nice. Thank you. 
PhysicsPlease check if I did this correctly
I posted this question this morning but I'm not sure of the response Damon provided. I did it once but then I updated it later in this at the bottom please check booth of my answers. If you were in a rotor style ride and the riders accelerate until the speed of ride is ... 
English
Please check my work. Correctly identifying the part of speech of each of the word in the sentence. The new mail carrier finally arrived. The (definite article) new (adjective) mail (noun) carrier (noun) finally (adverb) arrived (past tense verb). 
English
Please check my work. Correctly identifying the part of speech of each of the word in the sentence. The new mail carrier finally arrived. The (definite article) new (adjective) mail (adjective) carrier (noun) finally (adverb) arrived (past tense verb). 
Math
Can you please go step by step, Ill show what I did and you can correct me. The question is: a+a(x+1) My way: a+a(x+1) 2a(x+1) 2ax+2a Could someone please check over this and provide a correct answer and my error. Thanks in advance. a+a(x+1) does not equal 2a(x+1) If it was (a... 
Englishplease help
To bring to your organization enthusiasm, dedication, responsibility, and good work ethic, combined with a desire to utilize my skills obtained through work experience. Is that correct sentense?? 
Intermediate Algebra (Math)
HELP PLEASE, Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x Ð 8y = 22 6x Ð y = 20 At first I tried to multiply by 8 but that did not work. 
bookkeeping
received a check for 154.72 for unassembled products includes 8.06 sales tax and 12.30 in transportation what is the entry for the transaction in the sales dept.a sales credit? (a)132.33 (b)134.36 (c)152.72 (d)154.69 my answer is b received a payment for 3296.87 in unassembled... 
Physics
This is a question related to work. Today we had a pop quiz in my physics class and I am just trying to check my work here :D 1) if there is a 5 kg block on a horizontal table connected with string to a 3 kg block hanging off the side of the table through a pulley. Assume the ... 
English
Can you please check these few sentences I'm not sure of. Thank you for all. 1)My work day starts at 7.55 a.m. I nearly always have to drive my child to school. It usually takes me ten minutes to get there (OR: It's a tenminute drive.) After that I drive to work. 2)As soon as... 
Chemistry
Cyclohexane is composed of 85.6 % C and 14.4% H. when it is mixed in the proper ratio with oxygen, it can be used as an anesthetic. At 755 mmHg, and 25 degrees Celcius, it has a density of 2.05 g/L. what is the molar mass of cyclohexane and its molecular formula? Will you ... 
trig
If cos(t)=(7/8) where pi<t<(3pi/2), find the values of the following trig functions. cos(2t)=? sin(2t)=? cos(t/2)=? sin(t/2)=? 
Math PLEASE HELP ME!!
Micheal recives a 9.8% raise. He currently earns $1,789.46 per month. Estimate the amount by which his monthly earnings will increase. Help please I do not understand this problem!! :) SHOW ALL WORK PLEASE & THANK YOU!! :) 
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. 
Math 30 Trig
How do I find the xintercept of the graph of y=3sin 2x? Could you explain the steps to put this into my graphing calculator to get the graph. Please and thanks 
trig
Find all points of intersection of the polar curves r= 2 + 4cos theta and r= 6cos theta. Please explain in detail. 
Physics
Early one October, you go to a pumpkin patch to select your Halloween pumpkin. You lift the 2.8 kg pumpkin to a height of 1.4 m, then carry it 50.0 m (on level ground) to the checkout stand. Calculate the work you do on the pumpkin as you lift it from the ground? and How much... 
trig
A car drives 1000 feet on a road that is 8 degrees to the horizontal, as shown in the figure. The car weighs 3400 lb. Thus gravity acts straight down on the car with a constant force F=3400j. Find the work done by the car in overcoming gravity? 
trig
For each expression in column I, choose the expression from column II to complete an identity: Column I Column II 1. tanxcosx A. sin^2x/cos^2x 2. sec^2x1 B. 1/sec^2x 3. sec x/cscx C. sin(x) 4. 1+sin^2x D.csc^2xcot^2x+sin^2x 5. cos^2 x E. tanx I figured #1 is C, #2 is A, ... 
Please Check(Math)
d+7/d^2+49= / (d+7) (d+7)*I got the bottom but I don't know what to put at the top...please help!!! Please HElp Me!!Sorry,I am trying to e patient... The d+7 on top cancels with one of the d+7 on the bottom and you are left with 1/(d+7) 
Trig
can I please have help with these 3 questions? 1. Solve this equation graphically on the interval [0, 2ð]. list the solutions. sin(2x)1=tan x 2. solve sin x cos x= sqrt3/4 3. solve tan^2 x3tan x+2=0 thank you! show step by step please. 
Math
6x4y=54 9x+2y=69 Which system would work best to solve? Please show work and solve. (all steps) Thank You I honestly don't know how to do this. 
Algebra
Complete the table for each function. 1. f(x) = √x The x values are 0, 1,4 and 9. The corresponding y values that I got are 0, 1, 2 and 3. 2. g(x) = 1/4√ x The x values are 0, 1, 4, and 9. The corresponding y values that I got are 0, 1/4, 1/2 and 3/4 3. h(x... 
Chemistry Need help ASAP
A proposed mechanism for a reaction is: (i) A + B2 = AB2 Ea1 = 12 kJ/mol ƒ´H1 = 3 kJ/mol (ii) AB2 + C2 = ABC + BC Ea2 = 30 kJ/mol ƒ´H2 = 5.2 kJ/mol (iii) ABC + B2 = AB2 + BC Ea3 = 10 kJ/mol ƒ´H3 = 7.8 kJ/mol a) Which is the rate determining step? Explain why. (ii) It ... 
Chemistry Need help ASAP
A proposed mechanism for a reaction is: (i) A + B2 = AB2 Ea1 = 12 kJ/mol ƒ´H1 = 3 kJ/mol (ii) AB2 + C2 = ABC + BC Ea2 = 30 kJ/mol ƒ´H2 = 5.2 kJ/mol (iii) ABC + B2 = AB2 + BC Ea3 = 10 kJ/mol ƒ´H3 = 7.8 kJ/mol a) Which is the rate determining step? Explain why. (ii) It ... 
chemistry please help
how do you know if a hydrolytic work up is required for reactions with grignard reagents? What does hydrolytic work up mean is it treatment with aqueous acid 
Geometry
1) Explain how you can use a straightedge and a compass to construct an angle that is both congruent and adjacent to a given angle. 2) When constructing a perpendicular bisector, why must the compass opening be greater than the 1/2 the length of the segment? 3) When ... 
English
Could you please check these statements, please? Thank you. 1) the first who trusts/to trust are both possible? 2) "Let's check the answer to those exercises" She proposed checking the answers... She told/ordered us to check.... She suggested checking the answers She ... 
Algebra
I have this math probelm z(3z)/(2z)=(6)/(z2) in my book it says to solve the equation. I have worked this problem many times and I keep comming up with different answers. When I use an online calculator to check my work it is giving me an answer of z=3 I have not gotten ... 
Algebra Please check answers
Could you please check these answers thanks. Directions: Factor each polynomial. If the polynomial cannot be factored, write prime. 1. a^216b Answer: (a16)(a+16) 2. m^2+8m+16 Answer: (m+8)^2 3. 3a^2b+6ab+9ab^2 Answer: Prime 4. 2r^2+3r+1 Answer: Prime 5. z3+6z^2+9z Answer: Prime 
Algebra
Hiya. I have 7 expressions that I have been asked to simplify. I worked all of them out, and if you could, I'd like you to check my work for me. Here they are: 1. (x^2 + 3x  9) + (4x^2 + 2x  3) My answer: 4x^4 + 5x  12 2. (x  2)(3x + 5) My answer: 3x^2  30x  10 3. (r... 
Physicscheck answer please (multiple choice)
1. A 2.5 kg mass at rest on a horizontal surface is acted upon by an applied horizontal force of 150 N. A frictional force of 100 N acts on the mass. How much work is done on the mass? my answer: would the work be 0? 2. When a rock is thrown straight up in the air, after it ... 
Opinion (check)
Please check the if they are all opinions: Martin's neighbors accused the mother of eight of ordering phantom puppies to attack them and of walking in the rain without getting wet. One explanation for the girls' behavior was that they were simply bored Some of them were lucky ... 
Algebra
P dollars is invested at annual interest rate for 1 year. if the interest is compounded semiannually, then the polynomial p(1+r/2)^2 represents the value of the investment after 1 year. could you rewrite this expression without parentheses. Evaluate the polynomial if p = $200 ... 
English
Volunteering at a daycare center. I have worked at a daycare center. I went there once a month. There were a lot of things to do. I took care of young children. I played with them. I changed their diapers and clothes. I washed the kids, too. I like the work very much because... 
Math/Trig
How would I evaluate these trig functions without using a calculator? U: sin(13π/6) cot 11π/6 cot(14π/4) sec 23π/6 Thanks in advance ^^; and if you'd tell me step by step on how to do problems like these I'd be grateful :D 
trig...again
gahh i cant figure this one out either. you have you verify the identity only using one side of the equation: sec^2x*sin^2x+sec^2x=1 this identity cannot possible be true. on the left side you are adding 2 squared quantities, how can that result be negative? Check your typing... 
English
I isolated the sentences I'd like you to check. Can you please have a look at them? 1) Basil and Dorian first meet at a party at Lady Brandon's. Basil's first reaction is (of)fear, because he knows he has met someone whose personality can absorbe both his soul and his heart. ... 
WORK
A crate is dragged 15m along a horizontal surface by a rope which makes an angle of 37° with the horizontal. How much work is done? Please help me with this question. 
6th grade Math
Abraham earns $11.50 an hour. How many hours will Abraham have to work to earn $483? Please Show Work!!!! 
arithmetic
A and B can complete a piece of work in 8 and 10 days respectively However they work alternately one day each with beginning the work In how much time will the work be completed? 
Calculus
Could someone please check my work on the following problems? I want to be sure that I'm doing them correctly; i'm just required to find the derivatives and then simplify. g(t)= t/sint g'(t)=1*sintcost*t/(sint)^2 g'(t)=sintcost*t/(sint)^2 y=ln(e^ax) y'=1/e^ax*e^x*a and i'm ... 
Algebra
Solve the equation. Check all proposed solutions. Show work in solving and in checking. Root3x = x1 
Algebra
Solve the equation. Check all proposed solutions. Show work in solving and in checking. sqrt3x=x1 
SraJMcGin
Is it to personal if I ask if you have an email?! I would like you to check my spanish work before I turn it in to my teacher. 
precalculus
Can you check my work? find two sets of parametric equations for the given rectangular equation x+y^2=4 answer: x=y^2+4 x=t y=t^2+4 x=t^3 y=t^3+4 
trig
ABC is rightangled triangle. AD is the bisector of angle BAC. Angle DAC=15 degrees. X=CD. Find X. I know the answer is 7.1 but do not know how to do the actual sum. Can you please help. 
trig
ABC is rightangled triangle. AD is the bisector of angle BAC. Angle DAC=15 degrees. X=CD. Find X. I know the answer is 7.1 but do not know how to do the actual sum. Can you please help AB = 23 CM 
Math (trig)
A force of 35lb is required to hold a 72lb toolbox on an incline. What angle does the incline make with the horizontal? Please help me set this up. 
physics
DRWLS: PLEASE SEE ADDITIONAL INFO AT THE BOTTOM its the second part of the question that I don't understand: according the graph shown, the net force acting on an object varies wth the object's displacement. Calculate the work down by the force on the object at the various ... 
please check
the meaning of HUMDRUM is a) morose c) exciting b) ordinary d) disruptive my answer: b) ordinary INTERMINABLE most nearly means a) brief c) internal b) fruitful d) endless my answer: d) endless TRIVIAL is best defined as a) minor c) weighty b) important d)extended my answer: a... 
Calculus POSTS please check
Please check my calculus posts. They are at the bottom. Thanks. 
@please check my answers
I've removed the entire test you posted. If you post the 4 or 5 you have most doubts about, someone here might check them for you. Do not post entire tests. They will be removed. 
algebra
If you write a check without enough money in the bank a certain store will charge you a penalty if the check is returned to them from the bank. The penalty is 15% of the amount of the check plus a $25 processing fee. Let the "n" amount of the check and the 
physics
A pendulum clock that works perfectly on Earth is taken to the Moon. (a)Does it run fast or slow there? (b) if the clock is started at 12:00:00 am, what will it read after one Earth day(24hrs)? Assume that the freefall acceleration on the Moon is 1.63 m/s^2 I tried to do this... 
MATHS HELP URGENT(TIME AND WORK)
A can do a piece of work in 12 days whereas B can destroy the work in 3 days. A does the work for 10 days and then B destroys the work up to 2 days. In how many days will the work be finished? 
Physics  please check over
Could I please get some further assistance on a question I posted earlier? I'm not getting the correct answer and I'm not sure what I'm doing wrong. 
Math
Please check my answers and if there are any other possibilities then please tell me. List all the factors for 45: I got 1x45, 3x15 and 9x5. are there anymore? 
English Essay Writing MS Sue please check
Ok this is what I have please let me know what you think thanks so much for your help Hi Cuz, I gald that you have move close by to me. The last time we spoke you had mentioned that you were looking for a job.Now I know that you have only worked as a cashier at that department... 
Math
Please Check My Answer Please!!! Thanks :) 9/4 = ?/12 54 36 45 27********* 27/90 = 3/? 3 10 9********** 27 32/? = 20/25 37 16*********** 26 40 
Physics help please
A crate is dragged 5.0 along a rough floor with a constant velocity by a worker applying a force of 125N to a rope at an angle of 30degrees to the horizontal. Calculate the work done by the tension in the rope, the force of friction, and the net force. I know the work don on ... 
WORK~PHYSICS
A crate is dragged 15m along a horizontal surface by a rope which makes an angle of 37° with the horizontal. How much work is done? Please help me with this question. 
algebra2/trig
tina can paint a room in 8 hours, but when she and her friend emily work together, they can complete the job in 3 hours. how long would it take emily to paint the room alone? 
algebra 2/trig
Tina can paint a room in 8 hours, but when she and her friend Emily work together, they can complete the job in 3 hours. How long would it take Emily to paint the room alone? 
TRIG
what is the exact value of sin^2 pi/62 sin pi/6 cos pi/6 +cos^2 (pi/6)? a) 2 sqrt 3 b) 2 sqrt 3/ 2 c) 2+ sqrt 3/2 d) 2+ sqrt 3 I am not sure how to work this out and would appreciate you how to show me the process. Thank you in advanced!!!!!!! 
Trig
Solve the trig equation exactly over the indicated interval. tanθ = 0, all real numbers I know the answer is πn, but I don't understand how they got this. I get that tanθ = 0 on π and 2π on the unit circle, so did they just put n on the end of π ... 
Computer Programming
I need a check on my answers 1) prompt a user to enter an employee name, employee id, and hours worked until a value of "1" is entered for employye name. my answer: Start Declarations num EmployId, HrsWrked string EmployName housework() detailLoop() Stop housework() output "... 
Math
Tim is a first grader and reads 28 words per minute. Assuming he maintains the same rate, using the double number line to find out how many words he can read in 5 minutes. Words 0 28     Minutes 0 1 5 This is basically completing I assume a ratio table. So my ... 
physics (please check work)
A uniform rod AB is 1.2 m long and weighs 16N. It is suspended by strings AC and BD. A block P weighing 96N is attached at E, 0.30N from A. The tension force in the string BD has a magnitude. My work: Taking torque around AC string clockwise=counterclockwise block P + Board ... 
English
You are going to take a quiz. I'll distribute exam papers. You should write down the answers. Fill in the blanks with suitable expressions. Take one and pass the others to the other students. First write down your number and name on the top of the paper. You have 3 minutes ... 
English 10
Which of the following is a possible setting for works of American literary realism? CHECK ALL THAT APPLY! *a. American West *b. PostCivil War South c. New England d. Gold Coast I think there is one more that needs to be check, but I don't know which one it is. Can you please... 
math(check answers please)
please check my math answers again thanks. by the age of 27,justin had visited 25 out of the 50 states.what fraction of the states had justin visited?write the answer in simplest form. A.2/1 B.25/50 C.1/2(I PICKED THIS) D.1/3 Heather drove 10 miles in 22 minutes.which is the ... 
Trig
I've done this one multiply times yet it never seems to work out, I'm supposed to simplify yet it never works out tan(csc^1(x/x1)) my first step; sin/cos(1/sin(x/x1)) 
Language Arts ~CHECK MY ANSWERS~
Are these answer are correct? Please be 100% correct / honest. Directions: For questions 7–15, rewrite each sentence, adding commas where needed. 7) While I was researching skateboards, I found an interesting old newspaper. 8) In the June 29, 1999 edition of the Mercury ... 
Social Studies 8R  Paragraph Check
Please check my paragraph to see if it's good. If there any detials I should add please let me know. Also please let me know if there any grammar errors. Obama Win When Barack Obama was reelected I was ecstatic. Obama is a really good president and he deserve to be president ... 
Science
Please Check my Work:pls check my work asap! 1. A ___ has a definite shape and a definite volume. (1 point) 1. solid (My Choice) 2. liquid 3. gas 4. molecule 2. Why is a gas able to flow? (1 point) 1. Its particles have melted and can move around. 2. Its particles have high ... 
Physics Work related
If 2.0 J of work is done in raising 180 g apple how far is it lifted? I would assume that 2/180 = x but I divided it and it does not sound right.. please someone help. 
6 grade math
how do you work out this problem, find the height of a parallelogram with an area of 224 square meters and a base of 16 meters.show work please thank you 
math
okay so I have to work out this problem for school work and I don't understand it. the problem is : if the perimeter of an isosceles triangle is 2x + 10, what is the length of one of the congruent sides ? PLEASE HELP ME ! 
Trig math
Find the area of a triangle if the sides of the triangle have the lengths 849mi, 930mi, and 1301mi. Here's my work: a=849 b=930 c=1301 A=.5(849)(930)sinA sin A = 394,785 mi^2 (this number doesn't seem right to me, can you explain to me what I did wrong)? 
Chemistry
Good morning. I need help solving 2 problems for chemistry. For #1 I need someone to check my work and tell me if I did it wrong and show me how and where I went wrong. And for #2 I need someone to help me figure out how to solve it and explain. 1. With the balanced equation ... 
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! 
Math Trig please help!
A tire with a diameter of 100 cm rotates 20 times in 3 seconds. a) determine the angular velocity b) how far the tire has travelled? c) what is the speed in km/h? 
Math: Trig
What is Arcsec(2) equal to and how can you find the correct answer? I got 2pi/3 but it was marked wrong on my test and I'm not sure why it's wrong. Can you please explain this to me? Thanks! 
PreCalcPlease check my answerI think I have it
Could someone please check theseI had tried one last night but it was really wrong so I'm been workinghopefully these are correct. What are the roots of the equation and answers have to be simplified 2x^2 + 5x10 =0 2x^2 + 5x10+10=0+10 2x^2 + 5x = 10 2x^2 + 5x/2 = 10/2 2x^2... 
PreCalcPlease check my answerI think I have it
Could someone please check theseI had tried one last night but it was really wrong so I'm been workinghopefully these are correct. What are the roots of the equation and answers have to be simplified 2x^2 + 5x10 =0 2x^2 + 5x10+10=0+10 2x^2 + 5x = 10 2x^2 + 5x/2 = 10/2 2x^2... 
English
By a careful study of a work, the author, and of the time period in which the work was written, show how, in terms of genre, style, and vision, the writer holds up a mirror to his or her age. Can anyone please tell me exactly what the question is asking. 
Math please check answer
Please check my answer thanks :) Find the equation of 9 (2x18)=36 9(2x)9 (18) =36 18162 =36 18162 =36 18x162 =36 +162 +162  18x =198 18x 198  18 =18 x =11 
Math please check answer
Please check my answer thanks :) Find the equation of 9 (2x18)=36 9(2x)9 (18) =36 18162 =36 18162 =36 18x162 =36 +162 +162  18x =198 18x 198  18 =18 x =11 
history/times zones
please check these 1. (a) If it is 12:00 noon, Greenwich time, what time is it in Moscow? 3:00 pm In Denver? 5:00 am 2. (a) If it is 1:00 am in the time zone where you live (atlanta, georgia), what time is it in karachi, pakistan? 11 pm In Guangzhou, China? 4 pm 2 (b) If it is... 
Math
Hello! The question I'd like someone to check is, A teacher brings 3 gallons of juice on a field trip. There are 36 students on the trip. a. How many fluid ounces of juice does the teacher bring? Show your work. There is a part b, but I'm only working on a. So what I got so ... 
PLEASE HELP
A 60.8kg skateboarder starts out with a speed of 1.84 m/s. He does 90.8 J of work on himself by pushing with his feet against the ground. In addition, friction does 278 J of work on him. In both cases, the forces doing the work are nonconservative. The final speed of the ... 
MATH: Check my answers  HELP ASAP!!
A parking lot space is in the sape of a retangle. if the space has a length of 23 ft and a width of 12 ft, what is the area of the parking lot? A.128 ft B.266 ft C.276 ft######### D.138 ft Check my answer please! I think I'm right. 
ap chem
could you please check my work? what is the volume of one mole of solid iron at 25 degrees c? 1 mol Fe/.141 mol/cm^3 = 7.10 cm^3 (the .141 came from converting the density in to moles) is that correct? then the next step in the problem is to find the volume of 1 mol of Fe ... 
Please check my math questions.
I only need y'all to check my responses. Thanks in advance! Is (0,3) a solution to the equation y=x+3 Yes**My choice No Is (1,4) a solution to the equation y=2x Yes No**My choice 
Math
The local zoo has 3 lions, 4 elephants, 2 giraffes, 5 monkeys, and 2 zebras. What is the ratio of zebras to total animals? My Answer: I already know this 3x:4x:2x:5x:2x=16x So 16 total animals 16x=2 x=8 So then the ratio of zebras to the total number of animals is 8 Can you ... 
Math please check answer
please check my answer thanks Equation 9(2x18) = 36 18 162 = 36 18 x 162 =36 + 162 + 162 18 x = 198 18x 198 18 =18 
trigonometry (please double check this)
Solve the following trig equations. give all the positive values of the angle between 0 degrees and 360 degrees that will satisfy each. give any approximate value to the nearest minute only. a.) ( I got confused doing this 1 can you help me with it.) 3 sin theta  4 cos theta... 
5th grade math (dividing fractions)
Can you check this problem? How many twelfths are in one sixth? work: 1/6 divided by 1/12 = 1/6 * 12/1 = 2 ans= 2 
Math
"Find the slope of the line passing through J(0,5) and K(1,2)" I did the problem but I just need someone to check if its right. my work: M= y2  y1  x2  y1 M= 2  5  1  0 M= 3  1 M= 3 Thank you.