# Trig check my work please?

35,229 results, page 11
1. ## Physics

Starting from rest, a 5kg block slides 2.5 m down a rough 30o incline in 2 seconds. Find a) the work done by the force of gravity. b) the work done by friction. c) the work done by the normal force Do part b last
2. ## 5th grade math (word problems)

Can you explain how to do the following problems? 1. Order these fractions from Greatest to least. 3/12, 5/8, 1/4, 7/8, 4/16 work: find least common denominator 3/12 = 12/48, 5/8 = 30/48, 1/4 = 12/48, 7/8 = 42/48 answer = 7/8, 5/8, since 3/12 and 1/4 are
3. ## English

1. My father goes to work by car. 2. My father goes to work by his car. 3. My father goes to work in his car. (Which one is grammatical?) English - Jen, Tuesday, May 18, 2010 at 11:11pm I would say "my father drives his car to work". 1 is probably the most
4. ## Math

Brody deposited \$500 into an account that earns 4.2% interest compounded annually. He makes no additional deposits and no withdrawals. Approximately how much interest will the account have earned after 7 years? A \$167 B \$420 C \$542 D \$665 I think the
5. ## Calc.

Evaluate the indefinite integral. Please check my work? Not sure if I am doing this correctly. S= integral symbol S x^3*sqrt(x^2 + 1) dx u = x^2+1 x^2= u - 1 du = 2xdx du/2 = xdx 1/2 S x^2 * x sqrt (x^2 + 1) du 1/2 S (u - 1) * sqrt (u) du multiply square
6. ## Matt 115

Hello, I just wanted to know if someone could check my work to see if they are right or wrong. Thanks :) 5. Find 2/5 of 4/11. Answer: 8/55 8. Are 3/21 and 3/54 equivalent fractions? Answer: No 14. Write in decimal form 8 583/10,000 Answer: 8.0583 22. Solve
7. ## math,correction

is this correct? simplify: ((1+(2)/(3))/((2+(1)/(2)) My answer: (2)/(3) assuming that 2/3 and 1/2 are separate fractions, 8/3 x 5/2 40/6 20/3 hmm.. perhaps you need to check your arithmetic. unless i'm wrong, which wouldn't be surprising It is hard to read
8. ## Algebra 1

Will you please check my work? :) Choose ALL (if any) applicable terms for the events described, then calculate the probability of the events. Jason has a cube with colored sides: red, orange, yellow, green, blue and purple. 1. Rolling a red or a primary
9. ## Physics

A worker pushes 25Kg crate a distance of 5m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic frication between the crate and the floor is 0.23. (a) What magnitude of force must the worker apply? (b) How
10. ## Energy

Without energy we can't do work cuz we can't apply ne force on an object. Gravity, itself a force, when, say, pulls a ball down to the gorund it actually does work. Now for that force, where does it get the energy from or what type of energy does it have?
11. ## trigonometry (MathMate)

MathMate i would really appreciate if you can show me where the logarithms can be used.I know they are unnecessary and I already found the answer without them but i still have to show my work using logarithms and they just confuse me. I also have most
12. ## Algebra

Hi, could someone possibly check my answers to these algebra questions? Its not my strong point so have been struggling a little (or alot if they are all wrong!) 3m-8-5m+10 = 2-2m 4(2-6x) = 8-24x 7(a+3)-5 = 7a + 16 2x-3(4y-x) = 2x-12y-9x 2(4y-1)+5y(3-2y) =
13. ## 7th grade math check

Ok I was wondering if you could check these 3 problems please. I am suppose to set these equations equal but I am not sure if did them right. I think I accidently solved these systems as substitutions. The answers are suppose to be in coordinate pairs. 1)
14. ## English 10

Which of the following is a possible setting for works of American literary realism? CHECK ALL THAT APPLY! *a. American West *b. Post-Civil 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
15. ## Math

Hi, I need someone to check my work and I have a question. Polygon: pentagon Number of sides: 5 Smallest number of interior triangles: 3 Now, here's my question: Sum of degrees of the interior angles: ___*180=_____ degrees
16. ## Algebra

I have this math probelm z-(3z)/(2-z)=(6)/(z-2) 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
17. ## precalculus

Is this right? Convert the polar coordinate (-14, 5pi/3) to rectangular form. Does it mean rectangular coordinates and if so can you check my work? answer: r=-14 theta=5pi/3 x=-14 cos 5pi/3 x=-14(0.5) x=-7 y=rsintheta y=-14 sin 5pi/3 y=-14(-0.866) y=12.124
18. ## History

In ancient times, most slaves were prisoners of war. You may be able to find a part in your Bible that says that the Israelites were marched to Babylon. Please check your Bible, because it may be what your teacher expects. Who were marched to Babylon to
19. ## Math

Which Is More Correct? A Watch That Doesn't Work At All Or A Watch That Loses A Minute Each Hour? BTW It's a Trick QuestionðŸ˜‰ All I have is the one that loses a minute each hour because it's logical reasoning but I just wanted to double check
20. ## HELP!

Next year (sophomore year) I'm taking the following courses: Honors Algebra II/Trig Spanish III Health AP Biology Honors English AP World History Is AP Bio and world history hard? or no it's not just the exam. Please tell me because this is my first year
21. ## English

1. I prefer working to doing nothing. 2. I prefer to work rather than to do nothing. 3. I prefer to work rather than do nothing. 4. I prefer to work to to do nothing. 5. I prefer to work to do nothing. [Are the sentences from #1 to #3 correct? Which ones
22. ## Math

Okay .. i have a trig question for some floor plans that im trying to do. I have a right angle . /| / | c / | a /___| b I have the lengths of side c and b. Both Being 28ft in length. What is the length of side a? The way you have drawn it, or tried to draw
23. ## Probability / Statistics

I was wondering if someone could check my work thanks so the question is like so: The time it takes for a pendulum to complete the one period is simplified by the formula: T=2 pi square root (L/g) Where g is the constant measuring 9.80655m/s^2 and L is the
24. ## Math: Calculus

Can someone help me out here with these two problem? I have know idea where to start. 1)The equation: 10(x-1)(x-2)(x-3)=1, has three real solutions a
25. ## Physics 11

A 62kg cyclist changes the speed of a 12kg bicycle from 8.2m/s to 12.7m/s. Determine the work done. I've already answered & gotten this question correct, however it made me confused about the concept. I found Ek. & Ek to find change in Ek which was
26. ## PHYSICS HELP

I am having a real problem with this question. Through the process of doing work, energy can move between the external world and the system as the result of forces or work. I say it's forces, but someone else says it's work because only work and energy can
27. ## 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?
28. ## math

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?
29. ## Sign Language.

Check my answers please (: A comparative adjective is used to show comparison between two or more nouns or pronouns. True*** False To make the comparative form of an adjective in ASL, you add the -ER sign to the beginning of the work. True False***
30. ## Calculus

âˆ«((cos^3(x)/(1-sin^(2)) What is the derivative of that integral? I have been trying to use trig identities but can't find one to simplify this equation. I can't find one for (cos^3(x) or (1-sin^(2)) My options -sin(x) + C sin(x) + C (1/4)cos^(4)(x) + C
31. ## physics

Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 95.0 kg, down a Î¸ = 50.0Â° slope at constant speed. The coefficient of friction between the sled and the snow is 0.100. (a) How much work is done by friction as the sled moves
32. ## math

Can someone please check my work? Solve using substitution method 1. 3x+2y=12 x=52-6y answer:-40.8 I am pretty sure that one is wrong. Solve using elimination method 2. 2r-7s=-31 7r+2s=24 answer: (230/53,-468/53) 3.3x+4y=3 6x+8y=6 answer: No answer.
33. ## Physical Science

Is this correct? Gabriella weighs 450 N. She climbs a flight of stairs to a height of 3 m. It takes her 5 seconds. How much work does Gabriella do when she climbs the stairs? Ans- 1,350 J. What I did was 450*3 Can someone check this? Thanks -MC
34. ## Math/Physics

A car of mass 0.9 tonnes is driven 200 m up a slope inclined at 5Â° to the horizontal. There is a resistance force of 100 N. (i) Find the work done by the car against gravity. (ii) Find the work done against the resistance force. (iii) If the car slows
35. ## ENG091

Subjects & Verbs. I was wanting to check my work please before I turn it in. 1.Abraham Lincoln was carrying two pairs of glasses and a penknife on the night of his death. Ans:Abraham Lincoln and was carrying 2.On his way to work, George stopped for gas.
36. ## English

Tomorrow we have several events. I'd like you to know the schedule of our school. From June 2 through June 4, second year students have a school excursion (trip), which is a kind of study tour. They have a day off on June 5th. So you don't need to go to
37. ## science

Describe one way in which work is done (Reminder: For work to be done, the force and the distance must be in the same direction.). guitar, keyboard Can you give me an example of how to describe how work is done in one of these example please?
38. ## science

Describe one way in which work is done (Reminder: For work to be done, the force and the distance must be in the same direction.). guitar, keyboard Can you give me an example of how to describe how work is done in one of these example please?
39. ## principles of physics

When we studied the concept of work, we learned that work = force x distance. Now we learn that torque = force x distance. What's different about these two definitions?A) For work, distance and force are in the same direction; for torque they are
40. ## physics

When we studied the concept of work, we learned that work = force x distance. Now we learn that torque = force x distance. What's different about these two definitions?A) For work, distance and force are in the same direction; for torque they are
41. ## algebra1

could you walk-through the steps to solving this problem because I am stuck; 3x-5(3x-7)=2(x+9)+45 Let me know if you have a question in any step. 3x-5(3x-7)=2(x+9)+45 3x-15x+35= 2x+18+45 -12x+35 = 2x+63 -35 -35 -12x= 2x +63-35 -12x= 2x +28 -2x -2x -12x-2x
42. ## science

check answers 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 (I PICK THIS) D.25 j 2.to chop wood you apply 50.0n of force to an ax. The ax applies 600.0n of force to the
43. ## English

I urgently need to know if the word choice and tenses are correct. Thank you. 1) Enter the airport and check your flight number and the boarding time of your flight on the departures board. 2) Before going to the check-in desk make sure your baggage
44. ## Math

A can do a work in 30 days, B in X days, C can destroy the work in 50 days. If A and B work together alternating with C, they complete the work in 355/7 days. How long will it take for B to complete the work alone?
45. ## SCIENCE

How would you find latitude and longitude without using a globe or the internet? Please help If you are plotting long distances are varying courses, the best you could do is plot these on a Equidistant Projection, and the usual of these is the Miller
46. ## algebra

Check this problem for me do I have negative sign right with the answer. -1(-1)+-5-5=-2/-10==-1/5 the one on top and the -1(-1) and on the bottom is -5-5. so check this answer for me. Please, Please
47. ## algebra

Check this problem for me do I have negative sign right with the answer. -1(-1)+-5-5=-2/-10==-1/5 the one on top and the -1(-1) and on the bottom is -5-5. so check this answer for me. Please, Please
48. ## Math

This one confused me since it revolved around what seemed like dividing trig function by another function Write the following expression in terms of the tangent function 2 / ((cos(r^2 - s^2) / (sin(r^2 - s^2)) = ? I know tan t = sin t / cos t. So would I
49. ## English

Match the vocabulary words with the appropriate definitions. A.allusion B.flat character C.rhyme scheme D.stock character E.round character unchanging character-B reference to other works or events-A complex or main character-E a recognizable but
50. ## Calculus--&gt; bobpursley

How do you get m=0? from taking the second derivative? does c=1? Can you check my work on how I get the derivative of R=M^2(c/2-m/3) NEXT R=1/2(CM^2)-1/3(M^3) NEXT dR/dM=CM-M^2. I checked in the back, and that was the answer for the first part of the

Which of the following is true about determining whether someone working for another is an independent contractor or an employee? a) The classification of the person doing the work depends on that person's job title. b)The classification of the person
52. ## English

I left out these other sentences. Thank you very much, Writeacher. 1) If I'm lucky, I'll work at a passion and at the same time at a career. I think that a good job is a job that you love and that permits (?) you to do the things you are keen on. 2) I have
53. ## geometrey

the base of an isosceles triangle is 5m less than 4 times the length of a side. The perimeter is 67m. Find the length of each side and the base. My answers for the equal side lengths are 24 and the base is 19. What is the proper way to show work since i
54. ## Physics

how much work is required to lift a 98-N block of ice if A) it is lifted a vertical distance of 5-m.? B) you push the same block of ice up a 7-m long ramp using in acompare to the work required in b.? C) How does the work required in A compare to the work
55. ## tan x = 1/2

Can someone tell me what the radian value is for this number and how they got it? Thanks On a graph plot the point A(2,1) Let C(2,0) be the point on the x-axis x is the angle AOB and tan x = 1/2 Since angle x is not one of the special angles, you will have
56. ## Algebra

An inspector of weights and measures uses a special set of weights to check the accuracy of scales. Various weights are placed on a scale to check the accuracy of any amount from 1 oz. to 15 oz. What is the fewest number of weights the inspector needs?
57. ## English

Revise the following sentence to omit personal pronouns. I think it is important for you to evaluate information before it in a paper. It's important to evaluate information before including in your paper. Please check my work.
58. ## Chemistry

How do i figure this? State whether the following compound contain polar covalent bonds, non-polar covalent bonds, or ionic bonds, based on their electronegativities. 1)KF_________ Look up the electronegativity values for K and F and make your decision. We
59. ## Algebra

This formula relates the age of a person to hours of sleep h=(34 - a) Ã· Does the formula seem to work for you?? Does the formula work for babies?? Does formula work for older people?? For what ages does the formula work best???? My answers 1- yes used ag
60. ## Calculus

Hello. I would appreciate it if someone could check my answers. I'm sorry it is so long. 1.) Let R denote the region between the curves y=x^-1 and y=x^-2 over the interval 1
61. ## Maths

I need to solve these anagrams of famous mathematitions PHRYGATOAS ADSHERECMI TFMARE GABBEBA COBFIICAN GHETGNINLAI LUDECI PRANIE LLCAOVEE The first one is PYTHAGORAS. For names of other famous mathematicians, check this site:
62. ## Calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) HINT [See Quick Example
63. ## calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) HINT [See Quick Example
64. ## calculus

Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they cross, and that you use technology to check your answer. (Round your answer to four significant digits.) HINT [See Quick Example
65. ## Physics

Which of the following is true? a. Conserved forces cannot do work b. Work can be performed on an object without moving it c. If the work is done by a conserved force, you do not need to know the path the object took d. To know the total work performed on

can someone check my answer thanks ! 2.The ability to do work or cause change is called A.velocity. B.energy.(I PICK B.) C.transfer. D.friction. 3.Which type of energy is demonstrated by a person jogging? A.electrical energy B.nuclear energy
67. ## Physics

A 4.00kg crate is slowly lifted to a height of 1.50m. a.How much work is done by the lifting force? b.against gravity? C.by gravity? a, Work done is m*g*height b. the work done is against gravity. c. Because the box is lifted, the work done by gravity is
68. ## Chemistry

An empty crucible was heated to drive off any volatile impurities and weighed after cooling (see below). A small amount of the green complex iron salt was added to the crucible, weighed again, and then heated gently to remove any waters of hydration
69. ## MATH!!!

given isosceles triangle ABC, line AB = BC, and BD is the angle bisector of isosceles triangle ABC prove AB x DC = BC x AD Aren't the two halves congruent? (SAS) If so, then DC is equal to AD. Don't the ratios AB:AD=BC:DC by corresponding parts? how do i
70. ## Math (Algebra)

Could I have someone check my work please? If I did something wrong please explain to me where I went wrong. Thank You. Example of the product rule to solve would be, (5^3)(6^3) Example of the quotient rule to solve would be, (4^2) / (8^2) Example of the
71. ## PHYSICS

according the graph sown, 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 displacements listed below (i won't bother telling you since you don't have a graphy, but I
72. ## Chemistry

Please check my work- what is the molarity of a solution that has 34.85 g of Potassium sulfate dissolved in one liter of solution? so K2(SO4) molar mass is 174.26, 34.85 grams x 1mol/174.26 than divided by 1 Liter equals .19998 Molarity with sig figs would
73. ## Physics question help/ check my answers

The middle two question please check my answers and tell me if I am correct or if there is something I am missing. The first and the last question I need help to understand and complete it. Thank you in advance!!! 1. What is the electric force between a +2
74. ## Art

Thank you very much. I still need you to check a few urgent things, Writeacher. 1)The line is engaged. Would you hold? Would you like to hold the line? Would you like to hang on/hold on? Which are possible? 2)You needn't have bought the milk; there was
75. ## Higher Maths

Show that these three points , P(-8,3), Q(-3,4),R(-6,-7), Form a right angled triangle and name the right angle? There are two ways of doing this: 1) determine the slopes for all lines, and the pair that have a right angle will have a negative inverse
76. ## Trigonometry

Two students are passing a ball back and forth, allowing it to bounce once between them. If one students bounce passes the ball from a height of 1.4 m and it bounces 3 m away from the students, where should the second student stand to catch the ball at a
77. ## Reed

Hey Reed u told me u will check my essay and u didn't check it so i posting in this post! PLZ remove the last post which was Yesterday cause I posted my essay there and after u check let me know. Plz don't remove this until I reply so I can see ur reply!
78. ## physics

A mixture of gasoline vapor and air is placed in an engine cylinder. The piston has an area of 7.4*10^-3 m^2 and is displaced inward by 7.2*10^-2 m. If 9.5*10^5 Pa of pressure is placed on the piston, how much work is done during this process? Is work
79. ## Chemistry

I am super confused when it comes to these types of questions! Can someone check my work? None of my answers matched those of my teacher when she read them this morning for last night's homework. Please help! 1. Consider the following equilibrium reaction:
80. ## 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
81. ## English

Rewrite the following sentence to make it more concise: The referendum was held by the government in the month of August. The Government held a referendum in the August. Please check my work.
82. ## Programming Logic

How do I write case logic pseudocode and visual logic nested if-then-else flow charts for atm check balances, making remote photo capture check deposits, and perform balance transfers?
83. ## math

I was wondering if someone could double check my work on a test I'm self correcting. Here's the problem, it has to do with Cramer's Rule. 24x + 6y = 11 24x + 60y = -25 I ended up finding the base determinant (D), and then dividing Dx and Dy by D. My
84. ## Englsih

1. He bade the boy (to) work on the farm. 2. He ordered the boy to work on the ï»¿farm. 3. He told the boy to work on the farm. ---------------------- Q1: Does #1 mean #2 or #3? Can we use both 'to work' and 'work' in Sentence 1?
85. ## Algebra

1. (12g^4)^-1 (work check) 12g^-4 = 1/(12g^4) 2. (2y^4)^-3 (need help)
86. ## Bio

Please Check my work and help me to answer the questions i could not get. Measure the cube that you are given. Complete the chart on the next page for your cube, then fill in the spaces for two other cubes, one measuring 1 cm on an edge and the other
87. ## Bio

Please Check my work and help me to answer the questions i could not get. Measure the cube that you are given. Complete the chart on the next page for your cube, then fill in the spaces for two other cubes, one measuring 1 cm on an edge and the other

Ok, I figured this out (I think) but can you please check? Don't worry. I can carry the tent all by myself because it is so light. I do not even need a lantern it is so light outside. In these sentences, the word "light" is used as a: A:homophone
89. ## physics

my answer for these are 1. a 2.c 3 d but not sure so please anyone see if i am correct 1. In which of the following cases is work done on the object? A. Lifting an object off the floor. B. Pushing an object, but it does not move C. Carrying an object at a

Use the geometric sequence of numbers 1, 1/3, 1/9 , 1/27â€¦ to find the following: b) Using the formula for the sum of the first n terms of a geometric series, what is the sum of the first 10 terms? Carry all calculations to 6 decimals on all assignments.

Sorry to bug again but can someone check my answers please thank you. 1. Simplify the expression 3w-10w A. 13w B. -7w C. -7 D. 7w 2. Y+2y+3z A. 2y+3z B. 3y+3z C. 2y^2+3z D. 6yz 3. 6r+r-5r A. 2r B. 1r+r C. 0r D. 7r-5r 4. 5x+2(x+6) A. 7x+6 B. 7x^2+12 C.
92. ## 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
93. ## English

Identify the sentence that is correctly punctuated. A. It is not always necessary; however, to check the entire set of books. B. It is not always necessary, however; to check the entire set of books. C. It is not always necessary, however, to check the
94. ## English

Identify the sentence that is correctly punctuated. A. It is not always necessary; however, to check the entire set of books. B. It is not always necessary, however; to check the entire set of books. C. It is not always necessary, however, to check the
95. ## English

Identify the sentence that is correctly punctuated. A. It is not always necessary; however, to check the entire set of books. B. It is not always necessary, however; to check the entire set of books. C. It is not always necessary, however, to check the
96. ## Physics

A 1.1 kg book is lying on a 0.77 m -high table. You pick it up and place it on a bookshelf 2.3 m above the floor. 1. How much work does gravity do on the book? 2. How much work does your hand do on the book? How do you find work?
97. ## english 6th

Please check for errors...THANKS Plural possessives Some careers were once mens' jobs. Any job can also be a woman's work. A firefighter's job is very dangerous. Tugboat pilot's training takes seven years. Dolores's dream is to be an astronaut. Everyone
98. ## Applied calculas

3. a) Write out the limit definition for the derivative of y = xx. Attempt to solve it. b) Write out the limit definition for the derivative of the inverse trig function from question 2. Attempt to solve it. c) Discuss the value of implicit
99. ## applied calculus

3. a) Write out the limit definition for the derivative of y = xx. Attempt to solve it. b) Write out the limit definition for the derivative of the inverse trig function from question 2. Attempt to solve it. c) Discuss the value of implicit
100. ## health

what is the risk factor for the following situation? You and your friend go to a movie. After the show, your friendâ€™s mom comes and they ask you if you need a ride, but you tell them that your mom was going to pick you up so they leave. You then check