Trig check my work please?

88,597 results, page 81

Spanish

Please check my answers... 1.) "He is playing cards" is said like this: él está jugando a las cartas. 2.) Is this how you say "My friend plays soccer": Mi cuates juega al fútbol. 3.) Is this how you say "they are in a hurry": que tienen prisa. 4.) True or False: The ...

English 2

What is the tone of the following lines in "At the Tourist Centre of Boston"? I seem to remember people, at least in the cities, also slush , machines and assorted garbage. Perhaps that was my private mirage which will just evaporate when I go back. -embarrassed -ironic -...

Please check my answer(Social Studies)

Which was a significant reason Middle Colonies were more favorable to farmers of new england? Select all that apply The climate was cooler The growing season was longer the soil was fertile•• Crops grew better along the coast There were more people to tend the farms••

Language Arts

according to "happiness is a charming charlie brown at orlando rep,) how do the technical aspects of the play compare with the performers? A) they do not achieve the same quality B) they are equally as good C) they overshadow them D) they are much more inconsistent I think the...

english grammar check my work

1. WE get to go home. answer(we=noun...get=helping verb to=helping verb=go=verb...home=noun). 2. A lot of kids have watched several times. (a=article....lot=adverb...of=preposiiton...kids=noun....several=adjective....times=noun) thank you so much!

English

Posted by rfvv on Monday, March 22, 2010 at 3:48am. the video media yp club the print media yp club the information telecommunication yp the RCY club the English conversation club the environment guard club the quilt club the reading essay club / the reading and writing club ...

math

the two-digit number whose cube root is the square root of the sum of its digits THe cube root of 27 is 3. Only two possible answers; 27 or 64 Looks fairly obvious. 2+7 = 9. Sqrt 9 = 3 and (27)^1/3 = 3. check. 6+ 4 = 10. sqrt 10 = 3+ and (64)^1/3 = 4 doesn't check. or have I ...

Tina

How do I solve this? (2/3^2 divided by 4/5 divided by 1/3? I keep trying and anm coming up with the answer 25/4. Can someone check and see if I am wrong or right, and see what the answer is. Thanks! sorry- 2/3^ divided by 4/5 divided by 1/3 2/3 squared is 4/9. Divided by 4/5 ...

math

If a vehicle travles with a constant acceleration of 3km/hr for 5 hours, what was its initial velocity if the final velocity was 100km/hr? Can you please show me how to work this out in math terms.Can you explain it to me. thank you so much.

math

Upon leaving Mexico Asanji decided to convert all his pesos back into dollars. how many dollars did he receive if he exchage 42.7 pesos at a rate of $5.30 = 11.1. Show work please

physics

3 miles to centimeters will someone help with that problem? and tell me how to show my work with all the multiplication and division. like 1 mile over 3 centimeters or whatever (random numbers) but will you show me how and what the answer is please

7th grade social studies.

hi my name is sadaf. i have problems studying and understanding social studies. i don't know what to do my grades are too low. can you please give me some tips and ideas on how i can work on it?

9th grade Social Studies

i also have problems studying and understanding social studies. i don't know what to do my grades are way low. can you please give me some tips and ideas on how i can work on it?

Science grd 9

Determine which appliance uses the most electrical energy: a clothes dryer that operates for 30 min/day or a freezer that operates for 24h/day. Please show work

Calculus (pleas help!)

For what values of k is lim x -> INF coshkx/sin2x finite? (Enter your answer as an interval or list of intervals, for example, (-infinity,3], (5,7). Enter none if no values of k will work.) Please help..

Calculus (pleas help!)

For what values of k is lim x -> INF coshkx/sin2x finite? (Enter your answer as an interval or list of intervals, for example, (-infinity,3], (5,7). Enter none if no values of k will work.) Please help..

ASTRONOMY-HELP PLEASE!!!!!

Using Hubble's law, determine the recessional velocity of a galaxy 700 Mly away. Use 22 km/s/Mly for the Hubble's parameter. Show your work for full credit

math

Ms.Lembright ordered the types of muffins below for a class party -12 blueberry muffins for $7.20 -8 chocolate muffins for $4.40 -6 raisin muffins for $4.50 What type of muffin cost the least? show your work please help me!!?

math

A medication is available in 30mg. tablets. A patient is given a prescription for gr. ii. How many tablets should the patient take? I am not sure how to work this problem out, and i am confused on the gr. ii. part, i do not know what it means, please help. thank you

math

Sketch the graphs of f(x) = x^2 and g(x) = 2x. Find a number a between 0 and 2 so that when the region between the graphs of f and g for 0 <= x <= a is revolved about the y-axis, the volume of the solid produced is 7pia3/12 . Please show all work

Math

24 m of fencing are available to enclose a play area. what would the maximum area be if the fencing only went on 3 sides because the wall is used as the 4th side. Please show you work

Chemistry

If a sample of gas occupies 2.1 ml at a pressure of 896 torr, what volume (ml) will it occupy at a pressure of 316.8 torr. I really need an answer, but also please show me how to work this problem.

Maths

Nth terms I have to find the first 5 terms in the nth sequence. please could someone show me how to work this out, using the example below so I can do the next set of questions. 10-2n

chemical engineering technology

a gas cylinder contains N2 at 200 Kpa and 80°C as result of cooling the pressure drop to 190 Kpa and 30°C. how much work was done on the gas? can i please a solution for that equation.

Math

If n+1 is the largest of four consecutuve integers, represent the sum of four integers. A 4n+10 B 4n-2 C 4n-4 D 4n-5 E 4n-8 I really don`t understand this question so I can`t provide my work. Can someone please explain to me how to solve these types of problems. Thank you

Math

A runner competes in a 6 mile race. The year befoere her speed was 3mph slower and it took her one hour longer. What was her speed this year. Please help me by showing all work, Thank you

English

Thank you very much for your corrections. I stilll need to check these few more sentences. 1) we'll ne analyzing twelve authors belonging to the English literature from 1800 to the beginninig of the twenty-first century. 2) I'll give you literature summaries for you to ...

math

the limit of cuberoot((-3x^3+5x+2)/(x^2-1)) as x approaches 3 is the problem. how could (-3x^3+5x+2) so it would be factored out with denominator? thanks! If you read the answer I gave for the previous question, then you can take the limit inside to get lim x->3 of((-3x^3+...

science !!! help

please answer these 4 questions about since I know nothing about this. 1. A box of cleaning supplies weighs 15n.if the box is lifted a distance of 0.60m,how much work is done? A. 0.040 j B.9 j C.14 j D.25 j 2.to chop wood you apply 50.0n of force to an ax. The ax applies 600....

Physics(Please check)

There is a PV diagram with ABC and the cycle is moving clockwise. segment AB is isobaric BC is isochronic AC cannot be determined The delta U for this is zero and the W=positive. The last questions asks if the heat flow Q is positive, negative, or zero and the answer given is ...

Chemistry(Please check)

List the conjugate base for the following acids: 1) Acid = CH3CH2CH2NH3^+ Conjugate base = CH3CH2CH2NH2^- 2) Acid = CH3CH2CH2OH2^+ Conjugate base = CH3CH2CH2OH^- Are my answers correct? Thank you!

Chemistry: please check

At which electrode does oxidation occur in a voltaic cell? anode only cathode only *both anode and cathode either anode or cathode, depending on the metal Thank You.

ap bio

a population of 600 plants contains 294 AA, 252 Aa, and 54 aa individuals. the AA and Aa produce purple flowers while the aa plants produce white flowers. what are the frequencies of the following? please show work or explain how you got it. please A. Allele A B. Allele a C. ...

English

Can you please check these sentences please? Thank you. 1) Along the wall in front of the left window there is a book closet (correction: book shelf) 2)What distance do you walk to school every day? OR How far do you walk to school every day? 3) They have a 15-minute break. So...

biology

What processes in the transparency release carbon dioxide into the atmosphere? Please check your question. It makes no sense. Please read: http://en.wikipedia.org/wiki/Cellular_respiration what processes in the transparency release carbon dioxide into the atmosphere

Business Reports and Presentation

What qualities of an oral presentation are most important to you as an audience member? Explain your answer Please note that we don't do students' homework for them. Once YOU have come up with attempted answers to YOUR questions, please re-post and let us know what you think. ...

English

Can you please check these sentences for me? Thank you very much. 1) Robotiv planes and search robots can be used in rescue situations such as after natural disasters. 2)Tney can be built and launched in 15 minutes. They are equipped with cameras and microphones, too. 3) They ...

maths geometry

A straight road separates towns A (grid ref 42,45) and B (grid ref 52,40) A village is situated at grid ref (46,57) and a new road is planned from the village to road AB. What is the shortest road possible (1 dp) Please define an origin and a set of axes Use Cartesian geometry...

French check my answer

I posted this again because i really need help fast!! I am writing a postcard to my friend saying i went on a trip to the country guadeloupe, this is my letter in english and can you please check if i translated it properly into french, thanks :) Hello Louis. I am visiting the...

Math

Help Please: Please Help 1.Essay:Show all work,Find the Product. (x^2-2)(x^3-4x+9) 2.Find the product:(2x-4y)(2x+4y) 4.Find the product:(8x-3y)^2 a.64x^2+9y^2 b.64x^2-9y^2 c.64x^2-48xy+9y^2 d.64x^2-48xy-9y^2 (b)

Propagating error

Find the absolute and percent relative error for each calc. b) 81.5 (+/- 0.5) x 40.2 (+/- 0.2)/ 21.8 (+/- 0.2) my answer for absolute error was 150. +/- 200, which is outrageous. Can someone show how they would do it so I can compare and find my mistake? error/(81.5* 40.2/ 21....

English

Writeacher, I urgently need your help to check a few sentences on job. 1)When I go to the supermarket, first I get the trolley and then I go to the meat and fish section and finally to the check-out counter. I usually pay cash but sometimes by/with the credit card/I use the ...

Business Research and writing

How do I analyze this data below? Thank you for taking the time to complete this brief survey for my class project. The information gathered will be analyzed to determine how an individual’s educational background relates to his or her career choice. Your input will be ...

medical coding True or False

Please check my answer thanks The coding supervisor is interviewing candidates for a new out patient coding position the JOB DESCRIPTION will assist bthe coding supervisor in this process I said true

math 012

will someone please double check my answer to this problem. the answer i get is a fraction, but not sure how to type it on here. 4(4y+2)=2(1+6y)+8 16y+8=2+12y+8 16y+8=10+12y -16 -16 8=-6+12y +6 +6 14=12y divide both by 12 and that leaves y=14/12 then reduce down to 7/6 is this...

math

please check my answers 1.which is smallest 5/8,3/4,9/16,7/8 =9/16 2.subtract 6 3/10-4 11/15=1 17/30 3.estimate 6 1/8* 7 4/5=48 4.lcm of 20,32=160 jon spent 1/3 of his study time doing math and 2/7 preparing for history exam. what fraction of his study time remains? = 8/21 5....

Algebra

Could someone check this equation for me please.I have added the steps I have done so far. 7x +9 = 5x-5 subtract 5x from both sides and simplify 2x+9=5 subtract 9 from both sides 2x=-4 divide by 2 x=-2 Thought I had done it right but each side does not add up equally if x = -2.

geography

What lines of latitude determine the" tropics"? My answer is 23.5 degrees N and 23.5 degrees S latitude. Am I right? Please check me on one more! Why is Greenwich, England, so important to a geographer? My answer is -- Because the prime meridian runs through it. Am I right?

Physics

A car sits at a red light. Once the light turns in green, the driver accelerats at a rat of 3.5m/s^2. How far has the car moved after 6 seconds? I have so far d= (1/2)at^2 please check is it (1/2)(3.5m/s^2)(6 seconds) is the answer 1.75 m/s^2 x 6 sec=10.5 m/s^2? Thank you

Physical Science

Hello! Thanks for checking my question out! ____ 3. During a phase change, the temperature of a substance (1 point) a) increases. b) decreases. c) does not change. d) increases or decreases. My Answer: C Could someone please check my answer? Thanks! - Da Fash

trig

Solve the given triginometric equation analytically. Use values of x for 0 less than or equal to x less than 2pi P.S Thanks Reiny for your last post, if you are still online.

trig

In a regular octagon, AB is a diagonal and CD joins the midpoints of two opposite sides. The side length of the octagon is 4 cm. To the nearest tenth of a cm. find a)AB and b)CD. I'm stumped.

trig/math

A stained glass window is composed of 20 triangular sections, each with sides 6, 8, and 7inches. Find the total are of the window( to the nearest square inch).

trig

In a right triangle the hypotenuse is 100meters,and alpha, the angle adjacent to the shorter leg. If cos alpha=1/2, find the measures of the two legs.

trig

A missile is fired at an angle of 85 from the horizontal. At one point, its speed was 1,000 mph. Find its horizontal velocity in miles per minute

trig

Let µ be an angle in standard position that contains the point with co- ordinates (-5;-12) on its terminal side. Determine the values of the six trigono- metric functions of angle µ.

trig

the terminal side of an angle theta in standard position coincides with the line y=5x and lies in quadrant 3. find the six trigonometric functions of theta.

Math/Trig

Write the sine function with an amplitude of 1/4, a period of 3pi, phase shift of pi4 to the right, and a vertical shift of 4 units down.

trig

The lengths of 2 adjacent sides of a parallelogram are 42 cm and 36cm. an angle of the parallelogram is 4o degrees. Find the measure of the longest diagonal to the nearest tenth of a centimeter.

TRIG HELP ASAP

I really need help on this problem. A sector has area of 15 in^2 and central angle of 0.2 radians. Find the radius of the circle and arc length of the sector

trig

A 100 kg box slides with constant velocity down a ramp inclined at 20 degrees, with the horizontal. Find the frictional force acting on the box.

trig

Give the component form of the resultant vector in the following. NOTE: Answer must be typed in using the following format -- including the parentheses: (#,#). u =(10, 5) -3u=

trig

my question is find all angles of theta and 2pi whose reference angle is alpha = pi/12. Give exact answers. i cannot for the live of me find this

Math (trigonometry)

How do you solve this trig identity problem without factoring? I just used @ to represent theta: sin^4@ + 2sin^2@cos^2@ + cos^4@ = 1

trig

Solve sin θ = -0.204 for 90º < θ < 270º. Give your answer to the nearest tenth of a degree. Honestly have no idea how to do this.

trig

Write the expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the expression. 2tan 2pi/3 / 1-tan^2 2pu/3

trig

estimate the components of the vector. Round to one decimal place. [v] = 33.9, θ = 65.9° Find the horizontal and vertical components of v, and write in component form.

Pre-Calc/Trig...

Am i correct? It is possible for a system of linear equations to have no solutions. True <-- False i think it's true, if the lines are parallel?

Calculus/pre-trig

Write the formula for the discriminant. State the types of roots for a quadratic equation, explaining how the discriminant helps you determine the type.

Trigonometry

find the value for the indicated trig function for ø, if ø is an angle in standard position with the terminal side defined by the given point. (18,24); find cos ø

History

What was the purpose of the freedmens bureau A.to allow former slaves to vote B.to grant former slaves a piece of southern land C.to repeal the black codes D.to assist former slaves with getting jobs, education, food, and cloths*** Can someone please check my answer

Physics

12 kg wagon is being pulled at an angle of 38o above horizontal. What force is applied to the wagon if it accelerates from rest to a speed of 2.2 m/s over a distance of 3.4 m? Is this question a typo? Am I supposed to solve for force or work? Physics - silverback, Tuesday, ...

Math Please Help me!!!

3x^2+17x+10 *You have to factor completley but I don't know how too.Please help.! (3x+2 )(x + 5) Factoring asks this question: what two factors of 10 add to 17 when one is multiplied by three? Here is how you factor. Place two sets of parentheses. ( ) ( ) To get 3X^2, we may ...

math ( subtracting fractions)

12 1/4- 4 1/8 When you add or subtract fractions, you have to have the same denominator. In this problem you have to change 1/4 to 2/8. Then subtract the fraction and then subtract the whole number. Please post your answer and we'll be glad to check it.

science

On top of one of the peaks in Rocky Mountain National Park the pressure of the atmosphere is 500.torr. Determine the boiling point of water at this location. The heat of vaporization of water is 40.7 kJ/mol? Show work for me please! Thank you

Algebra

I am great at math but for some reason can not wrap my brain around Algebra for the world! Please Help!! Im stumped! Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -3x – 5y = 61 7x – 5y = -9

Chemistry

Zinc sulfide and oxygen gas react to form oxide and sulfur dioxide. Determine the amount of ZnO that should be produced in a reaction between 46.5 g of ZnS and 13.3 g of oxygen. What is the mass of the xs reactant? Please show work

Algebra

please help me solve my homework with all the work involved. i have trouble paying attention in class so it's hard for me to do my homework. here are a few of the questions. I need to find out what the letters equal. 1.) 10(-4+y)=2y 2.)9(b-4)-7b=5(3b-2) 3.)-(8n-2)=3+10(1-3n) 4...

CHEMISTRY

In each reaction, calculate the moles of product (in parentheses) when 3.00 moles of each reactant is used. A: 4Li+O2 = 2Li2O (Li2O) B: Fe2O3+3H2 = 2Fe+3H2O (Fe) C: Al2S3+6H2O = 2Al(OH)3+3H2S (H2S) Please show work, Thanks

Physics

Find g at a point on earth where T = 2.249 s for a simple pendulum of length 1.250 m, undergoing small-amplitude oscillations. (Enter your answer to four significant figures.) CAN YOU PLEASE PROVIDE AN ANSWER WITH WORK . THANK YOU VERY MUCH!!!!!

Math

In ΔABC, A=75 degrees and b=6. Giving your answer in interval notation, find the range of values of a such that: only one triangle is possible. two different triangles are possible. Please explain or show work!

please everyone post opinions. everyone is welcome

is it wise to plan your life for next twenty years now? i'm asking opinions from people for my project so i will appreciate if you please participate. To start off, this is my answer: i think it is wise because have broad plans in goals in life will give an idea to people on ...

Chemistry(Please check)

A reaction has a rate law, rate = k times A times B squared. What is the overall order of the reaction. I think that the order is 0. Is this correct?

Calculus

Which of the following functions is continuous at x = 5? I put a for my answer, could someone please check this? a. f(x)=(x^2-25)/(x+5) b. (x^2-25)/(x-5), x cannot equal 5 20 when x equals 5 c.(x^2-25)/(x-5), x cannot equal 5 0 when x equals 5 d. all of the functions are ...

Math

Please check my answers! Proportion worksheet! 1. 17/2 = x/5 17/2 = 42.5/5 2. 22/30 = 100/x 22/30 = 100/136.36 3. 2/1 = 12/x 2/1 = 12/2 4. 400/1 = 1000/x 400/1 = 1000/2.5 5. 125/2.5 = x/6 125/2.5 = 300/6

English

1. I am in the RCY club. We do clean-up activities and help people in need. 2. I am in the gag club. We make scripts and do plays. 3. I am in the science invention club. We make things with plastic and metals and have a display show. 4. I am in the pop music club. We listen to...

Maths

Please, I still need help with this. I need to make tables of values for both horizontal and vertical stretching, but I wasn't in class and missed the lesson. I don't really understand how to get the values; at first I figured you'd get the value of y by just pluging in ...

i need help accounting

Tracy Migre, a certified public accounting, has completed the following transactions. Ms.Migres assests , liabilites, and owner equity account titles and balances are shown in the table below. use the table on the page to show the effect of each transaction. Transactions: 1)...

government

a labor union is an organization of workers who a. hold exactly the same political beliefs b. represent the interests of the business community c. work in the same job or industry d. work on farms. i think its b

Physics

To compress spring 1 by 0.23 m takes 188 J of work. Stretching spring 2 by 0.27 m requires 211 J of work. Find the force constants. K1 = K2 = I have derived the formula for k as k = W/(2x^2) but when i plug in the values the answer isn't correct.

Calculus

Is x^2 - 2x 1 to 1? I keep getting yes every way I try to work it. Book says no. In the end, I get (with x1=1 and x2=-1 <- I use these numbers because of the x^2) f(x1) = -1 and f(x2)=3. I can't seem to find if x1 = x2 (btw, I know that by the graph it is not, but I am ...

Ethics and social responsibility

You work hard in your office overtime weekends and early mornings.you get paid well but despise that your coworkers are getting paid the same pay for less work then what you are doing and get promoted ahead of you.

math

write an expression using n as the variable for this problem. each day julia rides her bike to and from work. she lives 9 blocks from work and burns 13 cal. per block. how many cal. does she burn in n days

please check my answer

Consider the following equations. N2H4(l) + O2(g) N2(g) + 2 H2O(l) ÄH = -622.2 kJ H2(g) + 1/2 O2(g) H2O(l) ÄH = -258.5 kJ H2(g) + O2(g) H2O2(l) ÄH = -187.8 kJ Use this information to calculate the enthalpy change for the reaction shown below. N2H4(l) + 2 H2O2(l) N2(g) + 4 ...

English

1. The cooker is used to cook rice. 2. The machine is used to make books. 3. The knife is used to cut vegetables. 4. The table is used for the kids to study. 5. The room is used for him to study. 6. The car is used for his wife to go shopping. -------------------------- Are ...

Math

Write each percent as a fraction and as a decimal. 7. 72% full 72/100 or .72 9. 500% increase Would it be 500/100 or 500/1000? .500 11. 37% profit 37/100 and .37 Please be so kind as to double check my answers and explain to me if I got anything wrong so I can get a better ...

Anatomy and Physiology

Hey! Thanks for checking my question out! ____ 7. Women typically reach the peak of fertility in their (1 point) a) late teens. b) late twenties. c) early thirties. d) late thirties. My Answer: B Could someone please check my answer? Thanks! - Da Fash

MATH

1))ten to the seventh power= 8^7 base 8 exponent 7. key Sequence: 8^7=2,097,152 2))ten to the six power= 10^6 base is 10 exponent 6 key sequence: 10^6=1,000,000 3))nine to the fourth power 9^4 base is 9 exponent is 4 key sequence:9^4=6,561 thanks i need someone to check my ...

Thematic units-question--Please Help!!

I asked this question yesterday and didn't really get much help with it. Can someone please help? An appropriate way to make connections to thematic units involves: 1. cross-cultural activities 2. developing interpersonal activities 3. the use of an appropriate software ...

trig

prove that (2cosx+1)(2cosx-1)= 1 +2cos2x

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