Trig check my work please?
90,505 results, page 100

Literature
Please check the questions about the tragedy Romeo and Juliet below. 1.Friar Laurence could best be described as: A. a very mean person B. a happy person C. someone who likes to please people I would say C as he did whatever Romeo and Juliet asked him to do. 2. Romeo could be ... 
algebra
Please check A number p divided by 7 p/7 9 times a number a 9xa 6 times a number c, minus 5 6c5 a nujmber m divided by m, plus 89 m/89 the product of 0.8 and a number y 0.8 x y 1/2 more than a number b 1/2+b I have to write an inequality need help An artist withdrew $14 from ... 
Science
Hi. Could you Please check my answers? I just want to make sure they are correct. Thanks for the help in advance :). True or false: All matter on Earth contains energy true? True or false: the molecules in frozen water are in motion true? True or false: ice is too cold to ... 
Physical Science
Hello! Thanks for checking my question out! ____ 5. If the volume of a cylinder is reduced from 8.0 liters to 4.0 liters, the pressure of the gas in the cylinder will change from 70 kilopascals to (1 point) a) 35 kilopascals. b) 105 kilopascals. c) 140 kilopascals. d) 560 ... 
Maths ..Equations
Hi I have to rearrnge the following to make y the subject.. x = 3  2y / 6 I get the first part do x 3,  2, and / 6. Undo x 6, + 2, and / 3 then multiply by 6 so, 6x = 3  2y add 2 to both sides, 6x + 2 = 3 the divide both sides by 3 6x + 2 = y  3 so y = 6x  2... 
chem  check euqation please
suggest a test chemical that can be added to the water sample to precipate the lead (II) ions. Show a chemical equation for the formation of the precipate you have chosen. I chose Hg(N03)2 so Pb2 + Hg(NO3)2 >Pb(NO3)2 = Hg I know I still have to balance it but is my ... 
Calculus Please Check my answer
Water is poured into a bucket according to the rate F(t)=(t+7)/(2+t), and at the same time empties out through a hole in the bottom at the rate E(t)=(ln(t+4))/(t+2), with both F(t) and E(t) measured in pints per minute. How much water, to the nearest pint is in the bucket at ... 
English
Can you check if the following statements are possible please? Thank you very much. 1) After 1810 the greater part of African Americans in slavery were born in the United States. 2) White slave owners were afraid of African customs because they couldn’t understand them. 3) ... 
Calculus
int(dx/(x^2+9)) u = x/3 Use the indicated substitution (above) to evaluate the integral. Confirm answer by differentiation. Okay, so I found that du/dx is 1/3. dx is 3du. Just by looking at the integral I can tell this is some form of tan^1(x), if we change it to int(1/(x^2+9... 
intermediate algebra
In solving the equation (x1)(x+2)=30. Eric stated that the solution would be x1=30¨T¡úx=31 or(x2)¨T30¨T¡úx=32 However, at least on of these solutions fails to work when subsitituted back into the orignal equation. Why is that? Please help Eric to understand better, ... 
finance
19. Temple, Inc. has sales of $329,000, cost of goods sold of $204,000, depreciation of $5,900, and interest expense of $15,100. The tax rate is 34 percent. What is the times interest earned ratio? (Please calculate the arithmetic solution and show your work) 
finance
19. Temple, Inc. has sales of $329,000, cost of goods sold of $204,000, depreciation of $5,900, and interest expense of $15,100. The tax rate is 34 percent. What is the times interest earned ratio? (Please calculate the arithmetic solution and show your work) 
finance
19. Temple, Inc. has sales of $329,000, cost of goods sold of $204,000, depreciation of $5,900, and interest expense of $15,100. The tax rate is 34 percent. What is the times interest earned ratio? (Please calculate the arithmetic solution and show your work) 
finance
19. Temple, Inc. has sales of $329,000, cost of goods sold of $204,000, depreciation of $5,900, and interest expense of $15,100. The tax rate is 34 percent. What is the times interest earned ratio? (Please calculate the arithmetic solution and show your work) 
Finance
19. Temple, Inc. has sales of $329,000, cost of goods sold of $204,000, depreciation of $5,900, and interest expense of $15,100. The tax rate is 34 percent. What is the times interest earned ratio? (Please calculate the arithmetic solution and show your work) 
Physics
Please help me with this its very hard to visualize the problem. The analytical method of adding vectors expressed in terms of their components may be applied to vectors in three dimensions, for which graphical work is inconvenient. Find the magnitude of the resultant of the ... 
physics
A 33.0 kg box initially at rest is pushed 5.95 m along a rough, horizontal floor with a constant applied horizontal force of 145 N. If the coefficient of friction between box and floor is 0.300. find: the work done by the applied force the increase in internal energy in the ... 
Trig
Solve the following interval 0<_ (less than or equal to)0(Theta)<2pi: 1. sin0(theta) + sin2 0(theta) = 0 2. 2cos^20 (theta) + cos0 (theta) 1 = 0 
Trig
Use a calculator to find θ to the nearest tenth of a degree, if 0° < θ < 360° and csc(θ)=1.4307 with θ in QII θ=? 
Trig
Given that tan θ =  (√3/8) and θ is in QII, find the exact value of a. r = b. csc θ c. cos θ d. cot θ 
English
Which of the following is a good rule to follow when proofreading an essay? A. Scan the essay twice, once for organization and once for surface errors. B. Ask your best friend to critique your essay. C. Use the computer's spellcheck and grammarcheck functions to be sure you ... 
Physics urgent help needed
The pressure and volume of a gas are changed along a path ABCA in the figure. The vertical divisions on the graph represent 2.5 105 Pa, and the horizontal divisions represent 1.0 103 m3. Determine the work done (including algebraic sign) in each segment of the path. a. A to b... 
Accounting
What is the journal entry for a bounced check. For exemplar, on May 10, Mr. Smith pays his $1000 bill the a certain company, cash receipt #1. On May 12 the check is returned marked Not Sufficient Funds. Would the journal entry look like this. debit credit Accounts Receivable $... 
Science Math
2) How much force was used to move a box 42m if 13,734 J of work was done on it? 3)If the same amount of work was dodne as in problem #2, and the force on the box was 121 N, how far would the box be moved? 
math
Juan drives to work. Because of traffic conditions, he averages 22 miles per hour. He returns home averaging 32 miles per hour. The total travel time is 2 1/4 hours. Define a variable for the time Juan takes to travel to work. Write an expression for the time Juan takes to ... 
Algebra 1 (Check Work)
3. Which of the following is the most appropriate unit to describe the time you can drive a car based on the amount of gas? A. Minutes per gallon, because the independent quantity is the gallons B. Minutes per gallon, because the independent quantity is the minutes C. Gallons ... 
Math(Count Iblis PLease help me again)
5y^8  125 *you have to factor completley 5y^8  125 = 5(y^8  25) = 5(y^4 + 5)(y^4  5)= 5(y^4 + 5)[y^2 + sqrt(5)][y^2  sqrt(5)]= 5(y^4 + 5)[y^2 + sqrt(5)]* [y + 5^(1/4)][y  5^(1/4)] good work, good explaination 
Algebra
Find a polynomial function of degree 3 with the given numbers as zeros. 5, sqrt3, sqrt3 Would this work as a function for this problem? Please help. Thanks! f(x) =(xr1) (xr2) (xr3) =(x(5)) (xsqrt3) (xsqrt3) (x+5)) (xsqrt3) (x+sqrt3) 
math help
suppose a triangle has an area of 10ft^2. IF the base of the triangle is 1 foot longer than the height of the triangle, what are the lenghts of the base and height? Please help and show work 
Gen Chem
Light of wavelength 272 nm shines on a piece of magnesium metal. What is the speed of the ejected electron? (Light energy greater than that of the work function of magnesium ends up as kinetic energy of the ejected electron. The work function is the minimum energy needed to ... 
Trig
Given that cos θ = 5/13 and θ is in QIV, find the exact value of a. y b. sin θ c. sec θ d. tan θ 
history
Describe Gouverneur Morris's life while in office within the U.S government? Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's not a tutor with this specialty online... 
business
How can you end a contract without facing legal action? Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's not a tutor with this specialty online right now, be sure ... 
Macroeconomics
Should Fed be independent or a government agency subordinate to Congress and the President? Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's not a tutor with this ... 
History
Describe the atrocities committed in Congo by King Leopold’s colonial managers. Please note that we don't do students' homework for them. Our tutors try to give you the information to help you complete your assignment on your own. If there's not a tutor with this specialty ... 
Law and Ethics in Med
please check my answer thanks :) Dr Bob is sued for malpractice. when called to give testimony at trial. he will .... 1. be barred from revealing medical information about the patient. 2. be allowed to testify about the pt's care 3. allowed to testify, but not about the pt's ... 
geometryPLEASE CHECK AND HELP DUE TODAY
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? 
Algebra 1Please, check my answer!
1. A city map is laid out on a coordinate plane. Elm Street is described by the line x + 2y = 6. Oak street intersects Elm Street at an right angle. Which of the following could be the equation for Oak Street? a. 2x + y = 5 b. 2x + y = 3 c. x + 2y = 4 d. x  2y = 8 My ... 
Chemistry G.12
Check if im right please: 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g) At a specific time in the reaction, ammonia is disappearing at rate of 0.068 mol/(L • s). What is the corresponding rate of production of water? I did Rate of Production H20 = 1/6(0.068) = 0.0113 mol/(L*s) ... 
Calculus, check my answer, please! 1
Did I get this practice question right? 1. Consider the following functions: f(x)=cos(x^3x) h(x)=x3^3 g(x)=1n(x+3) s(x)=sin^3(x) Which of the following is true? (Points : 1) f is even, h and s are odd. ***f and g are even, s is odd. h and s are odd, g is even. s is odd, ... 
math  pls check!!!
Write an equation in pointslope form for the line that passes through one of the following pairs of points (you may choose the pair you want to work with). Then, use the same set of points to write the equation in standard form and again in slopeintercept form. (5, 1) and (... 
physics
a shopper in a supermarket pushes a cart with a force of 35 n directed at an angle of 25 downward from the horizontal. the force is just sufficient to over come the various frictional force, so the cart moves at constant speed. what is the net work don't on the cart? why? the ... 
English
Writeacher, I need to write phrasal verbs related to work. I wonder if you could help me. I wanted to include them in a story but some phrasal verbs are more used in dialogues. 1) My mum works as a secretary for the personnel manager in the Ferrero firm. She usually starts ... 
Us history please help
The] said Cooper Hughs Freedman with his wife...are to work on said farm and to cultivate forty acres in corn and twenty acres in cotton, to assist in putting the fences on said farm in good order and to keep them so and to do all other work on said farm necessary to be done ... 
Math
Mrs. Lincoln budgets her monthly takehome pay. The remainder she deposits in her savings account. She budgets 1/3 of her takehome pay rent, 1/8 for car expenses, 1/6 for food, 1/24 for insurance and 1/16 for entertainment. What is Mrs. Lincoln's monthly takehome pay if she ... 
Math: Please check
Which radical expression is in simplified form? A.) 11y/3 square root *B.) square root of 6/5y C.) square root of 17/square root of 4 D.) square root of 25/81 Thank You 
Geometry :(
this maths problem is wrecking my head.... 1.find the points of interesction of the line L and the circle k in the following L:x2y=0 K:X Squared + y squared=25 I would solve both equations for y, and then you'll have a system with two equations and two variables: y = x/2 y... 
Algebra HELP
Can someone check my answers? Solve for m: m + 6 = 3(2m  4) a.4 b.6/5 c.18/5 d.2 answer: c. 18/5 Solve the equation and check your solution: 3(x + 6) = 18 + 3x a. 6 b. 0 c. all real numbers d. no solution answer: b. 0 Solve the equation and check your solution: 2(x  1) = ... 
maths permutation & combination  answer pls check
Your password for a given website is made up of three letters followed by four numbers. Find the number of possible passwords if there are no restrictions on what three letters and what four numbers can be used. Pls check if my answer is correct 26C3*10C4 =26!/(263)!3! . 10... 
geography
1. What country possesses Easter Island off the coast of South America? Chile 2. What is the westernmost state in the United States? Alaska 3. What forms the natural boundary between Argentina and Uruguay? The Uruguay River 4. What is the name of the country located in the ... 
SciencePLEASE CHECK!
Which of the following explains how natural selection leads to evolution? A. Conditions in the environment reduce competition for resources within a species. B. Helpful variations accumulate among surviving members of the species. C. Overproduction provides food for stronger ... 
Science
Hello! Can someone please check my answers? Which step in the rock cycle occurs immediately before sediments are laid down? erosion breaks down rock*** lava cools heat and pressure are applied layers form From what material does an extrusive rock come from? lava*** mineral ... 
English
Could you check these sentences, please? Thank you. 1)The protagonist soon sees a light coming from the bottom of the wall that make(s) the figures seem spectral and unbearable, like demons looking at him from different directions. 2) He devoted his entire life to the seach ... 
social studies
Please check: 1812 United States declares war against Britain The warship Constitution defeats the British ship Guerriere 1813 Battle of Lake Erie Battle of THames 1814 British burned Washington, D.C Battle of New Orleans 1815 Francis Scott Key writes "The Defense of Fort ... 
social studies
what are two major freight lines in Georgia today? 1.Atlantic coast line 2.CSX 3.seaboard airline railroad 4.norfolk southern Why are Georgia Ports important? 1.they make the highways less crowded 2.they encourage trade by rivers 3.cargo shipping continues to expand 4.they ... 
pre calc
the hour hand of a clock is 5 inches long and the minute hand is 6 inches long. Determine the distance between the tips of the hand at 11:40 p.m. please help i don't understand how to do this. if you work it out this will help alot 
calculus
use rational zeros theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x)=x^38x^231x22 **please show work** 
college algebra
Write an equation of the line parallel to the line given by 3x2y=8 and having the same yintercept as the line given by 2y+3x=4 (show work) I am stuck with this problem. Can you please show me how to do these types of equations? Thank you 
algebra 2
the 2 unequalities 26<4k2 and 2k1<6 A. Write a compound inequality to combine the inequalities shown previously. and B. Solve the compound inequality for values of k. Show your work. Write your final answer as one inequality. please help 
Physics please help me (:
Calculate the change in internal energy of a system if 25000 J of heat is added to the system while the system does 40000 J of work on its surroundings. Does this represent an increase or decrease of internal energy? 
Math
Golds gym charges $150 to sign up and $10 per month. Fitness express charges not initial fee but charges $25 per month. When will the cost be the same? Show work please!! 
7th Grade Math
Fernando is 6 1/4 feet tall. If one inch equals 2.54 centimeters, what is Fernando's height in centimeters? My answer is 15.49 centimeters. Is my answer correct? If not please show me how to work it out. 
physics Q
can you please help me with this please. thank you. A small mass m hangs at rest from a vertical rope of length l that is fixed to the ceiling. A force then pushes on the mass, perpendicular to the taut rope at all times, until the rope is oriented at an angle delta and the ... 
Trig.
79): Find the area of the sector of the circle. Radius: 2.5 feet. Central Angle: 225 degrees. I multiplied (1/2)(25/4)(5pi/4), and I got 100pi/16, which reduced to 50pi/8 when I halved it. I reduced that to 25pi/4 or 19.63. But the book's answer is 12.27. How'd I mess up? 
trig
I need help with this problem: If San Francisco Giants homerun king, Barry Bonds, hit a baseball due west with a speed of 50.0 m/s, and the ball encountered a wind that blew it north at 5.00 m/s, what was the resultant velocity of the baseball? 
Trig
Find all solutions of the equation in the interval [0,2pi) . cos(theta)=0.7125 If there is more than one solution, separate them with commas. Do not round any intermediate computations, and round your answer(s) to the nearest hundredth. Can someone help me with this? Thanks 
TRIG/ALGEBRA
1) Find the exact value. Use a sum or difference identity. tan (15 degrees) 2) Rewrite the following expression as a trigonometric function of a single angle measure. cos 3x cos 4x  sin 3x sine 4x 
Physics
A 39.0 kg box initially at rest is pushed 4.50 m along a rough, horizontal floor with a constant applied horizontal force of 135 N. If the coefficient of friction between box and floor is 0.300, find the following. (a) the work done by the applied force J (b) the increase in ... 
Math(CHECK ANSWERS)
PLEASE CHECK MY MATH ANSWERS PLEASE AND LABEL THEM LIKE 1.WRONG AND STUFF THANKS ! 1.There are 5 red crayons, 6 yellow crayons, and 11 blue crayons in a shoebox. What is the ratio of the total number of crayons to the number of yellow crayons? A.6:22 B.6:16 C.22:6(I PICK THIS... 
Chem
A solution is made by mixing 50.0 g C3H6O and 50.0 g of CH3OH. What is the vapor pressure of this solution at 25 degrees C? What is the composition of the vapor expressed as a mole fraction? Assume ideal solution and gas behavior. (At 25 degrees C the vapor pressures of pure ... 
PLease check math
1)FInd an equation of the line containting the given pair of points. (8,0) and (0,5) MY ANSWEAR: (5/8)X+5 2)Find an equation of the line having the given slope and containing the given point. m=6 (8,1) MY ANSWEAR: 6X47 
English
1. He made me go there. 2. I was made to go there by him. 3. I was forced to go there by him. 4. He had me go there. 5. I was had to to there by him. 6. I was asked to go there by him. 7. He let me go there. 8. I was let to go there by him. 9. I was allowed to go there by him... 
Math
Craig scored 12 points in a game. Marla scored twice as many points as Craig but 5 fewer points than Nelson scored. How many points did Nelson score? a. 2x12+5 b. 2 x 12 5 c. 1/2 x 12 + 5 d. 2 x (12 + 5) Answerb Can you please check on the above. 
Math
The planet Mercury is approximately 6 x 10^7 miles from the Sun. The distance between the Sun and Mars is approximately 2 x 10^8 miles. ABOUT how many times farther from the Sun is Mars than Mercury? 2 3 20 30 I got B? Can you please check? Thank you!! 
Social Studies (URGENT)
During the immigrant experience in the early 1800s U.S. is said to be a "melting pot", and Canada a "mosaic". a.) What do these two terms mean to you? Melting pot describes the blending of cultures into a single nation. Cultural mosaic describes the mix of cultures coexisting ... 
Algebra
A machine has a work output of 28ax^5 joules and a work input of 7a^2x^6 joules. What is the efficiency of the machine? 
Math
1. Write 3 2/3 as an improper fraction. Explain your work. 2. Write 17/4 as a mixed number. Explain your work. 
College Preparation
I'm trying to major in history or journalism. Should I take trigonometry, or do you think that's not needed? I know it varies from school to school, but overall, do you think I'll be fine without trig? 
Trig
Find the exact circular function value for: sec(23pi/6) I know the answer should be: [2sqrt(3)]/3, but I do not understand how to solve the problem. I have a unit circle, but 23pi/6 is not on it, so I don't know how to find the (x,y) 
Trig
The lengths QR, RP, and PQ in triangle PQR are often denoted p, q, and r, respectively. What do the formulas 1/2 pq sinR and 1/2 qr sin P mean? After you justify the equation 1/2 pq sinR = 1/2 qr sin P, simplify it to a familiar form. 
Math/Trig
Find the linear velocity of an object, 3 cm away from the center, rotating on a circular object with an angular velocity of 0.56 rad/sec. Round your answer to the nearest tenth. 
Math
Trying to understand an inverse trig function. Evaluate Cos^1 (sqr3/2) So I know it's 30 degrees, but wouldn't it also be 150 degrees because the Arccos is defined in the 2nd quadrant? 
trig
city A is 300 miles directly north of city B assuming the earth to be sphere of radius 4000 miles determine the difference in latitude in degrees of the two cities 
math algebra trig
For the graph of each function, find an equation of the line of symmetry and the coordinates of the vertex. Tell whether the value of the function at the vertex if a maximum or a minimum: a) y = x^2 + 4x  7; b) y = 2x^2 + 4x; c) y = 3x^2  18x + 5. 
Trig
P was at its maximum after 5 seconds. Use this information to write the value of the last constant, h. (If the value is a fraction, use a slash to separate the numerator from the denominator without spaces, such as 3/4.) 
trig
A loading ramp is 35 feet long and forms an angle measuring 10° with the ground. How high is the top end of the ramp off the ground? Round your answer to the nearest tenth? 
Trig
A planes actual resulting ground speed and direction are 550 mph and N26E. A wind is blowing from the northeast. If the pilot is holding a course of N27E how fast is the wind blowing? 
Math PreCalc/Trig
If 11 square meters of tile are available to make a rectangle whose width must be 6 meters less than its length, what would be the dimensions of the rectangle? 
physics
I have 2 fill in the blanks that I need help with. 1) When electrons are forced away from a/an ___ plate, work is done. could the answer be positive? 2) Any pointed or angular surface of an object must have a/an ___ concentration of charge to establish equilibrium. I do not ... 
Physics
A 54.0g Super Ball traveling at 29.0 m/s bounces off a brick wall and rebounds at 18.0 m/s. A highspeed camera records this event. If the ball is in contact with the wall for 4.00 ms, what is the magnitude of the average acceleration of the ball during this time interval in ... 
science
Will you please check my answers? Substances or mixtures? 1. Carbon Dioxide = M 2.salt water =M 3. table salt = M Homogeneous or Heterogeneous Matter 1. flat soda pop = Heterogeneous 2. aluminum foil = Homogeneous 3. black coffee = Homogeneous 4. beach sand = heterogeneous 5... 
Greens Theorem
Can someone show me step by step how to work this problem out please. Let C be the triangle with vertices (0,0), (1,0), and (1,2). Find the following line integral by two methods, directly and using greens theorem. 2xy^2dx + yx^2dy Thanks!!! 
physics
Three moles of an ideal gas are compressed from 5.5*10^2 to 2.5*10^2 m^3. During the compression, 6.1*10^3J of work is done on the gas, and heat is removed to keep the temperature of the gas constant at all times. Find the temperature of the gas. Can anyone please give me ... 
PHYSICS
Three moles of an ideal gas are compressed from 5.5*10^2 to 2.5*10^2 m^3. During the compression, 6.1*10^3J of work is done on the gas, and heat is removed to keep the temperature of the gas constant at all times. Find the temperature of the gas. Can anyone please give me ... 
chemistry
If the molar mass of ASA is 180.2 g/mol, how many moles of ASA were stated by rhe manufacturer to be present in the tablet tested? (Manufacturer stated 325mg Set up as Conversion factor) Can someone please show me ho to work it out? 
physics please help!!
A 0.267kg ball is thrown straight up from 2.20m above the ground. Its initial vertical speed is 9.20m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time. 
physics please help!!
A 0.267kg ball is thrown straight up from 2.20m above the ground. Its initial vertical speed is 9.20m/s. A short time later, it hits the ground. Calculate the total work done by the force of gravity during that time. 
Calculating acceleration science
A baseball picture who is standing 18.5 m from the batter throws a fastball moving at 40 m/s the batter swings contacts the ball for 0.03 and hits the ball straight back to the picture at 50 m/s. The velocities are constant Please show the work I want to learn. Thank you 
Physics
An electron traveling at 7.00 x 10^6 m/s enters and passes through a parallel plate capacitor. determine the electric field generated by the capacitor. note that the electron just clears the corner of the positive plate. PLEASE SHOW ALL WORK!!! 
Calculus Help Please
Hello! I am struggling with this problem: Find the Taylor Series for sin(x2) centered at c=3. My work so far: sin(1)+(x3)cos(1)(1/2)(x3)^2sin(1)(1/6)(x3)^3cos(1)+(1/24)(x3)^4sin(1)... I know that the Taylor series for sign is typically: the summation from n=0 to ...