Trig check my work please?

88,762 results, page 97


Could you please check these last few sentences, please? Thank you in advance 1) What did you like most among the various topics we dealt with during your school year? 2) Are you going to continue your study of English at university? 3) Are you going to continue your studies (...

In-class presentation URGENT history

Hi Look, I'm stuck. I've been trying to get an idea all week. The last thing that I want to do is use a powerpoint as my visual aid. In fact i've removed it from even being considered. At one point I thought about doing a video confrence or asking people-on-the-street what ...

college physics

A block of mass 2.50 kg is pushed 2.40 m along a frictionless horizontal table by a constant 10.0 N force directed 25.0° below the horizontal. (a) Determine the work done by the applied force. J (b) Determine the work done by the normal force exerted by the table. J (c) ...


Could someone please check my Chemistry homework? The molecular formula for cisplatin, a chemotherapy agent, is PtCl2(NH3)2 (The numbers are all supposed to be subscripts) 1. What is the molar mass of cisplatin? Ans: 300.06 g/mol 2. How many moles of hydrogen atoms are in one ...

us history

what factor caused the anger that led to the Boston massacre? a) Boston was occupied by the British soldiers. b) the colonists did not like the system of British taxes********* c) some american colonist disagreed with he kings policies.******** d) the British thought some ...


Okay i stuck on a problem can anyone help? There are 14 people total.7 are girls a day.Everyone has to work for 7 days also everyone has to have 2 days off.So how many days does a girl work a week?


a womans lifts a 300 newton child a distance of 1.5 meters and carries her forward for 6.5meters. how much work does the woman do in lifting the child? much work does the child do?


a particle is subject to a force fx that varies with a position shown in figure P 7.15.find the work done by the force on the particle as it moves (a)from x=0 to x=5.00,(b)from 5.00m to 10.0 m,(c)from x=10.0 to x=15.0 m.(d) what is the total work done by the force over the ...


Consider the system shown, with m1 = 2.0 kg, m2 = 3.0 kg, and α = 30o. The force F acts horizontally to the left and the kinetic coefficient of friction between m1 and the incline is μk = 0.40. The mass m2 is moving up at a constant speed. (a) What is the magnitude ...


1. A 100N block lies on a frictional surface. A force of 50N was applied horizontally where the block had moved 5 m from the positive direction. Find the work done by the applied force and the work done by the weight of the block. 2. Using Example 1, if the applied force is ...


A force of 3.00 N acts through a distance of 12 m in the direction of the force.Find the work done. If I recall correctly, work=force*distance. The units should be newton-meters. 3*12=36


Jessica can jog to work in of an hour. When she rides her bike, it takes her of an hour. If she rides miles per hour faster than she jogs, how far away is her work?


Jessica can jog to work in 4/5 of an hour. When she rides her bike, it takes her 3/10 of an hour. If she rides 10 miles per hour faster than she jogs, how far away is her work?


so i got a math work sheet and i cannot figure out the math puzzle and to get the answer you have to do the work but i need help. Does anyone know what the answer to what did the spanish farmer say to his chicken is?


A dog trainer has 64 ft of fencing that will be used to create a rectangular work area for dogs. If the trainer wants to enclose an area of 192 ft2, what will be the dimensions of the work area?

Physical science

A 11-kg box is dragged across a frictionless surface by a force F=55N. the box travels 4.0ft. what is the work done by the applied force F and the work done by the normal force?


An Effort Of 250N Raises A Load Of 1000N Through 5m In A Pulley System.If The Effort Moves 30m,what Is; (a)the Work Done In Raising The Load (b)the Work Done By The Effort (c)the Efficiency


Megan factored the expression -12x^2 +52x-35as (-2x+5)(6x-7). But when Jacob applied the FOIL principle and multiplied out (-2x+5)(6x-7), he got -12x^2+44x-35; thus, Megan’s solution does not appear to check. Why is that? Please help Megan to understand this better. ...

Intermediate Algebra

Rewrite with positive exponents assume that even roots are nonegative and that all demonintors are nonzero. (6xy) -3 --- 4 The parenthesis is supoose to be around the line as well as the four. I just don't know how to make my computer do that. This is what I get. Can some ...

Social studies

Which statement best describes the importance of magna carta? A. british judges should hold power B. even the king must respect certain rights of the people C. federalism is the best form of government D. parliament should have the power to determine tax rates. My best answer ...


Mom, I'm going to the stationery store. I'll buy some ball-point pens, fountain pens, and mechanical pencils. I'll buy some notebooks and workbooks, too. I'll come back around 7:00 p.m. Don (Is this passage corect?) 1. I'll be back around 7:00 p.m. 2. I'll come back around 7:...

english answer check please, 4 questions

1. To plan your time for a research project, it is best to (1 point) divide the time spent on each step evenly. keep your deadlines flexible. start at the beginning and plan from there.***** work backward. 2. Which of the following is not a guideline for choosing a research ...


Would someone please show me a way to work this out A ball is dropped from the top of a building 150 m high. (Ignore air resistance) A. How long does it take the ball to hit the ground? B. What is the speed of the ball when it hits the ground?


i need help i don't understand how to do this problem so please help me. A student lifts a 5kg chair 0.8m off the floor, walks at a constant speed for a distance 10m, and then puts the chair back down on the floor. calculate the total amount of work done on the chair.


A cheetah running at 30 m/s is pursuing a zebra going in a straight line at 14 m/s. If the zebra has a 35 m head start, how much time does it take for the zebra to catch up? (Please show all work. I know the answer, but I need the step by step instruction to understand.)

Calculus 3

A ball is thrown at an angle of 45 degrees to the ground. If the ball lands 90m away, what is the initial speed of the ball? I know you use x(t)=(v*cos(alpha))t and y(t)=(v*sin(alpha))t-g/2t^2 but I'm still really confused about what to do. Please show all work. Thank you.

algebra 2

to determine the number of deer in a game preserve a conservationist catches 330 deer tags them and lets them loose later 672 deers are cought 168 of them are tagged how many deer are in the preserve I don't now how to get the answer can someone work this for me please. Thank you


An applied force accelerates a 50-kg crate along a frictionless floor from rest to 5 m/s.The work performed by this force is most nearly 125 J 250 J(x) 500 J 625 J 1,250 J Can someone please explain this to me and help? I thought it was 250 J but my calculation was wrong.


Please answer my question that I posted at 6:10 quickly because I have to in a little while!!! Your answer is posted. However, you're still going to have to do the math to find the equivalencies. If you'd like to post your answers, we'll be glad to check them. We do not do ...

Health /Law

please check my answer thanks :) Sally who is a minor is being operated by Dr Bob who dicovers a life threatening tumor and the pt could die with in hours this tumor was previously unknown her parents are in the waiting room Dr Bob should 1. remove the tumor 2. ask her parents...

U.S. History

please check this The War of 1812 end with a. a clear victory for the United State b. a clear victory for Britain c. the removal of all British claims to land in North America d. a return to the pre-war boundaries between United States and British territories i picked B

Business Finance

Sullivan's Handbags marks up their bags at 45% of the selling price. Pat Sullivan saw a bag at a trade show that would sell for her customers for $85. What is the most she would pay for the bag and still retain the 45% markup of the selling price? I came up with 84.99 please ...


(1 pt) An aricraft carrier has a mass of 8.9 x10^7kg and can cruise at 55 km/h. a) What is the work required to stop it? J b) What constant force could stop it in 6 km? N a) If only half of the work required to stop it is done, what is its final speed? km/h


Nicole can jog to work in of an hour. When she rides her bike, it takes her of an hour. If she rides miles per hour faster than she jogs, how far away is her work? NEED HELP FAST


a river does 6500J of work on a water wheel every second.The wheels efficiency is 12 percent.A)How much work in joules can the axle of the wheel do in a second? B)What is the power output of the wheel?

Nedd Help Please - PreCalc

The coordinates of the five quarter points for y=sin(x) are given below. Use these quarter points to determine the y-coordinates of the quarter points of y=2sin(1/4x). (0,0) (π/2,1) (π,0) (3π/2,−1) (2π,0) ​(Type ordered pairs. Type exact​ ...


3.)A slave's life was full of hardships and difficulties. Workdays were long and exhausting, full of backbreaking labor, and slaves would work 10 to 16 hours a day. Masters could hire out their slaves to work for other masters; however, the slaves were not compensated for this...

Health insurance

please check my answer thanks If both nondivorced of a dependent child have insurancce that will cover that child , which policy is considered to be the primary carrier for the child ? A the mother's insurance B the father's insurance C The coverage that has been in effect ...

Physics, Thinking check please

A 9v circuit charges a capacitor to steady state. Then the switch is opened. All resistance units in kilo-ohms: 2 rsistors, 20 and 40kO in parallel with a single 20 kO resistor. Total R is 3.33x10^4 Ohms. Am I close? If so, and the time constant is 1.6x10^-3 seconds, then is ...


Could you check these sentences, please. 1) I went to Ferrero factory in my boss's car, since I had an appointment with the responsible of the technical office. 2) Before leaving home, I had to wait for my husband to take a shower. How long does it usually take you to have a ...


1. What is the name of the bay that is connected to the Atlantic Ocean by the Hudson Strait? The Hudson Bay 2.What is the body of water that separates Iran from Saudi Arabia? The Persian Gulf 3. Which of the following cities is farthest north: Nebraska, Iowa, South Dakota, ...


Check my work? What is the approximate pH of a 0.05 M solution of HSCN that has a Ka of 10-4? HSCN -> H+ + SCN- --------------------------- The equation for calculating pH is pH = -log [H+] Now we need to find H+ and solve. [HSCN] = 0.05 M the molarity Ka = [H+][SCN-]/[HSCN...


An airline pilot pulls her 12.0 kg rollaboard suitcase along the ground with a force of 25.0 N for 10.0 meters. The handle she pulls on makes an angle of 42.5 degrees with the horizontal. How much work does she do over the ten-meter distance? Tried doing: (Cos(42.5) * 25N) * ...


Topic:machine,a block and tackle of 6 pulleys is used to raise a load of 300N steadily through a height of 30m.if the work done against friction is 2000J. calculate:the work done by effort,the efficiency of the system,the applied effort.


Write the equation of the line satisfiying the givrn geometric conditions. L has y-intercept (0, 2) and is perpendicular to the line with equation 2x-3y=6 Here is my answer please check. -2/3x-2 I can see it is wrong just by looking at the slope. The perpendicular line has a ...


Could you please check my answers and help me with two problems? Determine which two functions are invereses of each other. 1. f(x)=5x, g(x)x/5, h(x)5/x -I got that f(x) and g(x) are invereses of each other 2. f(x)=x-2/(2), g(x)=2x-2, h(x)=x+2/(2) -I got that f(x) and h(x) are...


please check The Emancipation Proclamation freed a. all enslaved people living in the U.S b. enslaved people living in areas controlled by the Confederacy c. enclaved people living in the Union states. d. enslaved people living in the territories i chose B


A: Would you like to anything to drink? B: Diet cola, please. A: How many would you like? B: Three paper cups of diet cola. A: Here you go. B: Thank you. (Is the short dialogue grammatical? Would yoiu check the errors in the dialogue?)

8th grade Math

Can you please check my answers? Wally ordered a pizza. He ordered 4/9 of the pizza with sausage, 1/5 of the pizza with extra cheese, and the rest of the pizza with bell peppers. How much of the pizza had bell peppers on it? My answer: 29/45 of a pizza

Math help

Can you please check these problems? 1. -4ã2+6ã72-ã32=_____ I got 2 2. 5ã28+2ã7-ã14=_____ I got 12ã7-ã14 3. -3ã72+6ã52-7ã128=______ I got -89ã8+12ã13-56ã2 4. 4ã112+5ã56-9ã126=____ I got -17ã14+16ã7


In one school, 5/6 of the sixth graders take a foreign language. Of these students 2/5 take French. What fraction of the sixth graders take French. Answer: 5/6 x 2/5=25/30 + 12/30=37/30=1 7/30 Can you please double check my answer to see if I got it right.


Please check this Cuáles son algunos comidas típicos de Mexico? Algunos comidas típicos de Mexico son tacos, y enchiladas y frijoles.


1) If I number the pages os a 36 page book, how many digits do I write? My answers is 63, not sure if this is the correct answer? 2) How many pages does a book have if in numbering them I use: a) 129 digits? A= 69 pages? b) 203 digits? A= 104 pages? Could you please check my ...

English check please

1. In the poems in this collection, who faces life with the most hopefulness and self-confidence? the speaker in “Life Doesn’t Frighten Me”********THIS ONE the speaker in “A Dream Within a Dream” the Oysters in “The Walrus and the Carpenter” the Walrus in “The ...

Calc I (@Reiny)

y = x^3 - 8x^2 + 6x -2 has a slope of 6 at two points, what are the coordinates? I used Reiny's way to help solve this answer. Please check if I've done it correct: y'= 3x^2-16x+6 3x^2-16x+6=6 3x^2-16x=0 x(3x-16)=0 Solve for x's x=0 3x-16=0 ~> x=16/3 Plug x values to ...

Calc I (@Reiny)

y = x^3 - 8x^2 + 6x -2 has a slope of 6 at two points, what are the coordinates? I used Reiny's way to help solve this answer. Please check if I've done it correct: y'= 3x^2-16x+6 3x^2-16x+6=6 3x^2-16x=0 x(3x-16)=0 Solve for x's x=0 3x-16=0 ~> x=16/3 Plug x values to ...


A batter hits a fly ball which leaves the bat 0.90 m above the ground at an angle of 61° with an initial speed of 29 m/s heading toward centerfield. Ignore air resistance. (a) How far from home plate would the ball land if not caught? (b) The ball is caught by the ...

anatomy physiology/check please

Muscular dysgenesis or dysgeny is a lethal, recessive, genetic disease of mice that is caused by a mutation in the mdg gene. Skeletal muscles from dysgenic mice are paralyzed and the animals die shortly after birth. You are a research scientist interested in the finding the ...

Calculus - series

I'm getting this answer wrong, can someone please help show me what i'm missing?? thank you :) Infinity of the summation n=0: [(-1)^n pi^(2n)] / [6^(2n) (2n)!] this is my work: [(-1^0) pi^(2*0)] / [6^(2*0) (2*0)!] + [(-1^1) pi^(2*1)] / [6^(2*1) (2*1)!] + [(-1^2) pi^(2*2)] / [6...

Using the factor Theorem

use the factor theorem to determine whether x-c is a factor of f(x) f(x)=x^3+8x^2-18x+20; x-10 I have a doubt in my answer, i determined that x-10 is not a factor... am i right? please verify as my exam is tomorrow night at college. thank you for your time and hard work:)


Magnesium has an average atomic mass of 24.3068 amu and has three isotopes: 24Mg(23.985045 amu), 25 Mg (24.985839 amu) and 26 Mg(25.982595 amu) The 26 Mg isotope has an abundance of 11.1%. what are the abundances of the other two isotopes. Please show work

Chemistry. Please help

How many milliliters of glacial acetic acid (17.3 M) would you need to titrate an aqueous solution of 100 grams sodium acetate (MW = 82.0 g mol-1) to get a final pH of 5.00 and a final volume of 1.00 liter? The pK’ for acetic acid is 4.76. Show your work.

math hw

steven bought four rare books that cost $130, $120, $80 and $75 respectivily. if he paid 1/3 of the total cost immediatly and the remainder in three equal payments, how much was each of the equal payments? please show work.

college algebra

write the expression as a single logarithm 1. In(x/x*2)+In(x+2/x)-In(x^2-4) solve the following logarithmic equation. 2. log_9(x-2)+log_9(x+1)=2 what is the exact solution? What is the decimal approximation for the solution when rounded three decimal places. please show work


How fast must a ball be rolled along a 100 cm high table so that when it rolls off the edge it will strike the floor at a distance of 100 cm from the point directly below the table edge? Please show work.


One package of water plants is recommended for 3000 cubic centimeters of water in a fish tank. How many packages of plants will be needed for a 45cm by 70cm tank that is filled to a depth of 10cm? please show work.


Find an equation of the tangent line to the graph of f at the given point. f(x) = x + (4/x), (4,5) I tried using the limit process a lot, but it didn't quite work. If possible, please use the limit process. Thanks a lot to whoever answers this question.

world geaography

Until about two years ago, France officially had a 35-hour work week. However, in 2005, the government changed this law to allow employers and employees to negotiate a longer work week with more pay. how long is ...


We have a heat engine that produces 150 J of heat, does 40 J of work, and emits 110 J into another system. What is the efficiency of the heat engine? (show you work)

After finishing your education what do you hope to

Here is the second part of my project. Please list what and why. (After finishing your education what do you hope to accomplish in your professional and personal life?) Work and make enough $ for the following purposes: for my parents and me to use in daily life, for me and ...


1. Compare using <,>, or =. -15 and -21 A < (MY ANSWER) B > C. = 2. Which nuumber is greater than -24? A -42 B-27 C -16 (MY ANSWER) D -30 3. Which set of integers is ordered from greatest to least. A -13, 4, 0, -8 B -5, -2, 3, 1 C -12, -8, -4, 7 (MY ANSWER) D 4,6,7...


Daniel needs to purchase 5.6 meters of tape for a project. If each roll of tape contains 80cm andcosts $2.50, what is the total cost of the tape Daniel must buy? x=cost of tape meters of tape/cost 5.6/x=.8/2.5 x=17.5 I have the cost is $17.50 Is this correct? They want us to ...


Can you please check these sentences for me, please? Thank you very much. 1)The avenger is involved in complex planning. 2) A lot of murders occur within the play. 3) The hero becomes more and more isolated throughout the play (better: within the play, as the play develops?) 4...


1. Refer to the following line m: b. Name two rays on m that have endpoint B. d. Find a simpler name for the intersection of rays BA and AC the line m has points a b and c going on across like that on the line would the answer be ba and bc? what would the answer to d be?

Chemistry(Please check)

What is the molar solubility of barium phosphate in a 0.282M barium acetate solution? If I set up and ice table I would have 0.282M - X = ? Would I use the molar mass of barium acetate to complete the equation to find X?

social studies PLEASE CHECK

1. which is an event of the progressive era enacted by the local government in South Carolina? a. the first grange chapter was established for farmers b. the grandfather clause gave poor whites the right to vote c. blacks were disfranchises through a poll tax d. a law ...


There are no pterodactyls in Ramirez’s front yard, but there are a mother dolphin, her baby, and two sheep. There’s a Don Quixote on his horse, aiming his lance at a windmill. There’s a space alien emerging from a flying saucer and an abstract baseball player completing ...

religious education - Re teachers

I need to write an essay about baptism in different churches. please could someone help find a website that explains it simply. I was off school sick after having an operation when we did most of the work and missed alot of the information I need. thankyou for helping


I havent been at school for 8 days due to somthing wrong with my heart, but the teachers gave me work. I have no clue how to do them. I really need help please, There all due tomarrow. Determine the pressure inside a televison picture tube with a volume of 3.5L that contains 2...


Write a 200-300 word response, considering how employers and fellow team members might use this instrument at work. Is this test reliable?Is it valid? What are the potential benefits and drawbacks of a test that attemps to measure skills, abilities, or traits. Can someone ...


Will you please make sure that I have picked out the correct preposition in each sentence? 1. Parts of wrecked ships filled one room. (of) 2. A museum guide spoke to us. (to) 3. During a storm sailors work very hard. (During) 4. Clippers traded with China and Australia. (with)


We created a new iPod for a scarcity project, and we can't come up with a slogan to save our lives. Help? Some of the features are picking songs based on your mood( like a mood ring) and being able to work through homework problems. It would be amazing, huh? Please help!

physics (please help I have a test tmrw)

How much thermal energy is released when 500g of steam at 100 degrees C condenses into liquid water and then cools to 50 degrees C? I tried to solve q=mct for q and then use that in the q=mLv formula but it didn't work. The answer is 1.3x10^6J Help would be appreciated! Thank you

fine arts

please check these: true or false- A minaret was a spiral tower _F A muezzin is a niche in the wall_F i need help in these three 1.Gothic style churches were not limited to France. 2.Two famous architects designed the dome of the Hagia Sophia 3.The Gothic period began around ...


Can you please check these sentences for me? Thank you. 1)Herewith I'd like to know if it is possible to upgrade my reservation for a family room to (?) Your New Premier Club Room. 2) The total price for the two nights will then be of ..... Euros and includes (?) 4 Full Irish ...

cultural diversity

An early learning center that emphasizes "product" over "process would a. threaten most mainstream children bbe vhild-directed reflecting self-selection of activities & matrials c. ignore rhe principles of developmentally appropriate practices d.harmonize with non-mainstream ...

Social Studies

1) Who invented the sewing machine? a) Elias Howe***** 2) By, 1860 the Midwest and the East were united a network of? b) railroad tracks***** 3) Which invention filled the need for a method of communication that kept up with the industrial growth and fast paced travel? b) ...

Relative Clauses and Pronouns

1.The car which he is driving cost him a fortune. 2. I like to go to that store where they frequently give out free samples. 3. Leon is the student who sings very well. 4. The man whom you helped was my father. 5. This is the tiger that the hunters have been looking for. 6. ...


Can someone please check my work? What do you like to eat for dinner? Answer the following questions in complete sentences. 1. ¿Te gusta comer sopa en la cena? Sí, me gusta comr sopa en la cena. 2. ¿Te gusta beber jugo de naranja? Sí, me gusta beber jugo de naranja. 3. ¿...


How do you write at least 6 fractions from the below ingredients list that serves 4 people. 1 cup all-purpose flour 2 eggs 1/2 cup milk 1/2 cup water 1/4 teaspoon salt 2 tablespoons butter , melted How do I make these fractions? PLEASE PLEASE PLEASE PLEASE PLEASE! HELP ME!


Good Evening Ms SUE, Frankly I tried the below some as you said but still I am not getting the answer still i am getting the same answer as option A. 2 1/6 n I know this is wrong Mam if you don't mind can you check n tell where i am wrong and correct me please. Thank You It ...


I have two questions? 1-What do we call the quantity force x distance, and what quantity does it change? **The quantity is called work and it changes energy** 2-In what unit is energy measured? **joule?? isn't it the same as work?**

Math 111

Suppose you have a job that requires that you work at least 25 hours but no more than 40 hours per week. Write an inequality, using t, that gives the number of hours you work each week.


find the exact solutions (è in degrees) sin^2è+2cosè=-2 change the sin^2 to 1-cos^2, then rearrage the equation into quadratic form, use the quadratic equaion.


i need to figure out how to write the formula for the following question In a right triangle a = 30 yds and t5an A = 2. Find b and c. I have the answers but do not know how to write the formula. Can you help me ?

college Trig

Solve this equation on the interval 0 θ < 2π. Round your answer(s) to two decimal places. 2 sin θ + 3 = 2 (smaller value) (larger value)


whats the horizontal distance traveled by a model rocket launched with an intitial speed of 120 feet per second when the rocket is launched at an angle of 60 degrees


An airplane flies on a compass heading of 90° at 310 mph. The wind affecting the plane is blowing from 332° at 40 mph. What is the true course and ground speed of the airplane?


This identity means that translating a basic sine graph 3π/2 units to the right produces a basic cosine graph. True or False? sin(X-(3(pi)/2)) = cosX


From a tower 57 ft high two objects in a straight line from it are sighted at angles of depression of 27degrees and 40degrees5' respectively. Find the distance between the two objects.


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