Trig check my work please?
89,826 results, page 2

Math
Can you please check to see if this is correct: 5 = x(17) After doing my work I got x = 22 
Math 157
Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ... 
Math check please
2 rectangles have equal areas determine the area of each rectangle then use this info to determine the perimeter. rectangle one: length of 2p + 3 width of 3.8 after my work i got p= 1.5 so the area is 14.4 and the perimeter is 19.6 is it correct? rectangle 2 : length of 6p ... 
9th Grade Math
For #14, write an equation of the line that passes through each pair of points. Show all of your work to receive full credits. 1.) (9, 2) and (4, 3) Answer: 9 = 1x + 2 2.) (3, 5) and (2, 2) Answer: 3 = 7x + 5 3.) (4, 3) and (2, 0) Answer: 4 = 2/3x + 3 4.) (5, 2) and (15... 
Art
Please check my work i am in connecus and i can’t add in the pictures but if possible can someone check this. This picture is called “ the wounded foot” and it’s by Joaquin sorolla y Bastida and I really hope someone can check this answer thanks In this scene the ... 
Chem Check Please!!!
Using standard thermodynamic data from Appendix L of your text, calculate the equilibrium constant at 298 K for the following chemical reaction: CO(g) + H2O(l) CO2(g) + H2(g). Show work please! Thank you!!! 
Math
Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ... 
trig
The displacement (in centimeters) of a particle moving back and forth along a straight line is given by the equation of motion s= 2 sin pi t + 3 cos pi t, where t is measured in seconds. (a) Find the average velocity during each time period: (i)[1,2] (ii) [1,1.1] (iii) [1, 1.... 
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) x  y = 11 3x + y... 
Algebra2 (Please Check My work)
Will you please check my work for me. 1)The equation of a parabola is shown. y=1/14X^2. What are the coordinates of the focus? (0,3.5) < (0,4) (0,7) (0,3.5) 2)The equation x2 + (y + 3)2 = 36 models the boundary on a local map for which Darren can hear his friend Tom ... 
college elg
the function f(x)=6x+9/3x7 find inverse and check it f^1(x)=? please show work 
math
find the sum or difference. 5/6 + 4/9 1. 1/2 2. 9/18 3. 1 5/18 4. 1 1/2 I think it is D can someone please check my work 
math
please check my work :) which pair of ratios can form a true proportion a1/2 6/10 b6/8 5/20 c3/5 6/10* d3/9 7/80 thanks 
Math2[Please Check Again]
Problem: a^29 a^23a  *  a^2 a^2+a12 What I Got: 33a  a4 *Please Check My Work.* Nope. factor the denominator to a^2(a+4)(a3) The last factor divides out in the numerattor (second term factors to a(a3). The a in the numerator reduces the denominaor a^2 ... 
Trig.
Solve. Check for extraneous solution. 6x= √20+6x 
please check my answer
please check my answer thanks :) You are the manager of The Candle Shop using the FIFO method of inventory pricing, what is the dollar value of the ending inventory if there were 17,000 units on hand Dec 31 Show all of your work Jan 1 5,000 @ $0.89 Feb15 10,000 @ $0.69 April ... 
chemistry
After your explanation I try to solve it, so would you please check my work again. Thank you! a) 
calculus
f(x)=(9x^2–8)^6(4x^2–5)^11 Find f'(x) I got (9x^28)^6 *11(4x^23)^10*8x+((4x^23)^11)6(9x^28)^5(18x) but im doing something wrong can someone check my work please 
figured out problem please check my work
Kyle is 3 years old and the twins are 9 
History
Could someone please check my work below where the time says 8:03. Thanks god Bless 
check my work please!
ok i have to divide complex numbers: question is: 12i+i^3/1+i this is what i did: 12i+i(i)/1+i 12ii^2/1+i 12ii(1)/1+i 12i+i/1+i 13i/1+i*1i/1i 1i3i+3i^2/1i+ii^2 1i3i+3(1)/1i^2 1i3i3/1(1) 14i3/2 24i/2 my answer is 2i1 is that right? 
college alg
the function f(x)=6x+9/3x7 find the inverse and check answer f^1(x)=? please show work 
college alg
the function f(x)=6x+9/3x7 find the inverse and check answer f^1(x)=? please show work 
Chemistry
Please check my work: What is the pOH of a solution containing [H+] = 1x1011 M? log H=1411 3 right 
AlgebraPlease check my calculations
Could you please check my answers and help with the ones I can't figure out 1. Solution to the radical function sqrt(1/2x+1) = 1 is x = 0 True or False I think it is true according to my calculations 2.Solve x = sqrt(8x) 8x = x^2 x^2  8x = 0 x(x8) = 0 x = 0 x8 =0 x=8 the ... 
Physics drwls please check
Good morning. This is a repost. The system is telling me my calculations is incorrect. I thought a fresh pair of eyes would help. Suppose a monatomic ideal gas is contained within a vertical cylinder that is fitted with a movable piston. The piston is frictionless and has a ... 
math
solve algebraically and check y=8x+3 y=4x21 8x+3=4x21 +4x +4x 12x+3=21 3 3 12x=24 x=2 y=8x+3 y=8(2)+3 y=16+3 y=13 (2,13) check y=8x+3 13=8(2)+3 13=16+3 13=13 y=4x21 13=4(2)21 13=821 so 13=13 these check, so did I do this correctly? Thanks for ... 
Check My Answer Please
Why were women fighting for suffrage? A:because they wanted to end abuse toward women B:because they wanted to win the right to vote**** C:because they wanted to gain the right to work D:because they wanted to end women's inequality Completely doing an educated guess right now... 
English
I left out these sentences. Could you please check them? Thank you. 1) We are delighted to welcome today representatives from the French and the German school with whom we will embark (work?) on our Comenius project. 2) We have searched with difficulty to find two schools that... 
Physics check answer please
I am supposed to fill in the blanks without a word bank. 1. I you push a crate with 40 N of force at an angle of 30 degrees and your friend pushes with a force of 40 N horizontally, the amount of work you are doing is _____ the amount of work your friend is doing on the crate ... 
Trig
Let O represent the origin and P be the point (9, 4). Find the positive angle (counterclock wise direction)that the line segment OP makes with the positive xaxis. the answer is 5.86 radians but i keep getting 0.418 radian. please help and show work 
Trig
Let O represent the origin and P be the point (9, 4). Find the positive angle (counterclock wise direction)that the line segment OP makes with the positive xaxis. the answer is 5.86 radians but i keep getting 0.418 radian. please help and show work 
Trig
A Flagpole casts a 60 foot long shadow on the ground. The angle from the tip of the flagpole to the end of the flagpole's shadow measures 35 degrees. How tall is the flagpole? can i use tan(35degrees) = 60/h which gives me 85.714. Please check. Thanks! 
trig
Find all solutions in the interval [0,2π) for cos(x  π/6) = 1 + cos(x + π/6). Show work, please and state in solution set. 
Math  Trig
Hi I have a Trig question that i don't understand, can someone please explain how to solve for it using cosine law?? A Clock with a radius of 15 cm has an 11 cm minute hand and a 7 cm hour hand. How far apart, to the nearest centimetre, are the tips of the hands at each time? ... 
English
1. I liked the work very much because I could help orphans who needed love. 2. I liked the work very much because I could help children who had no father and mother. 3. I liked the work very much because I could help orphans who needed care. 4. I liked the work very much ... 
Physics Check My Work Please
A mass is attached to a spring is 0.2 kg. The spring's constant is 40 N/m. The mass is stretched to a position of 0.3 m and released. The final position is 0.1 m. #1) Find the change in potential energy of the system. #2) What is the work done by the spring? #1) Change in P.E... 
Physics Check my work please
A mass is attached to a spring is 0.2 kg. The spring's constant is 40 N/m. The mass is stretched to a position of 0.3 m and released. The final position is 0.1 m. #1) Find the change in potential energy of the system. #2) What is the work done by the spring? #1) Change in P.E... 
PHYSICS HELP
Please check to see if these statements are right. Through the process of doing work, energy can move between the external world and the system as the result of forces. I believe this is true. Please verify. Yes, true. 
Please Check My Math Work
a^2  2ab  15b^2 This is what I got: (a5b)(a+3b) Correct! x^4+2x^34x^25x6 DIVIDED BY x^2+x2 My answer: x^2+x3 remainder of 12\x^2+x2 
english
I posted my work a few minutes ago, can somebody check it for me please. thanks a lot. Rose 
Algebra Help
Please solve and check all proposed solutions. Show work for solving and checking: (x2)/(x1) + (2)/(x^21) = 0 
math exam tommrow review
please check work. y=2x85 plug in 130 for x and i got 175 
trig
Write the expression and evaluate. There is only one answer whIch should match the range of the inverse trig function. Sec^1(2) I got 2pi/3 could someone tell me if that is right? And if not, could someone please explain how to get the answer. 
trig
how do i find the corresponding function formula and check the symmetry algebraically 
Trig
How do i set this trig problem up? PLEASE help me. Find tan (s + t) given that sin s = 1/4, with s in quadrant 2, and sin t = 1/2, with t in quadrant 4. 
Check Please(Math)
(2x^2y)^3*(5xy^3)^2=(2x^2y)^3 = 8 x^6 y^3 *Please check my work. What did you do with the (5xy^3)^2 part. The first part you did ok. But you can't just throw away part of the equation. I don't get that part.What do I do there.? (5xy^3)^2=25x^2y^6 You did the first part ok ... 
chem repost for bobpursley
i don't know how to solve this. looked through all my notes but i'm not sure what kind of formula i am to use or if i even need one! please help me to understand the theory behind this: "calculate the work need to make room for the products in the combustion of S8(s) to SO2(g... 
Math(Please Check My Work.)
3a^3b^2(a^3ba^2b^2)=3a^9b^33a^6b^4 *is this correct.? Remember to add exponents when multiplying with the same base. (3a^3b^2)(a^3b  a^2b^2) = 3a^6b^3  3a^5b^4 I hope this will help. 
Algebra
Which of the following ordered pairs represents the solution to the system given below? 2x + y = 20 4x − 2y = 40 A. (10, 0)***** B. (0, 10) C.(4, 2) D. (10, −10) Check my work please! 
Language Art (Please Check)
please check me Consider the characters Doc rabbit,Bruh fox,and tar baby.Which do you think is a real hero? A.Doc rabbit is a real hero because he is smart and knows how to get out of work B.toad is a real hero because he uses his brains to outwit a boastful opponent C.bruh ... 
Please help me with Trig
Given cos 67.5° = [√(2+√2)]/2, find tan 67.5° , simplify where needed, and show work. I'm starting to learn this stuff, and I'm so confused where to start. I know they gave me the coordinate X as in cos 67.5° = [√(2+√2)]/2, and I also know that tan... 
EnglishCHECK PLEASE
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 B:homonyme C:synonym D:simile ... 
Algebra
Will you please check my work? I'm supposed to "Use square roots to solve the following equations; round to the nearest hundredth, if necessary." 1. 5x^2  256 = 651 My Work: 5x^2  526 + 526 = 651 + 526 (sq root of) 5x^2 = (sq root of) 125 = 5x/5 = 11.18033989/5 = 2.24 2. ... 
Precalc/Trig...
which of the following are quadratic functions? check all that apply 1. y=2x^23x+7 2. y=3x4 3. y=(5x3x^2)/4+1 4. y=xx^3 
Algebra
Simplify and write with positive exponet (4x^1)^1 Work: (1/4x)^1 (1/(1/4x))(4x/4x)= 1 (X^3+3x^2+3x+1)^2/3 Work 1/(X^3+3x^2+3x+1)^2/3 1/(X^2+52/25x^4/3+52/25x+1) I'm confused on whether these are right or not can someone check my work or explain to me why they're wrong if ... 
Chemistry please check my work
Question: The following equilibrium was studied by analyzing the equilibrium mixture for the amount of HCL produced. LaCl3(s)+ H2O(g) goes to LaOCl(s)+2HCl(g). A vessel whose volume was 1.25L was filled with 0.0125 mol of lanthanum (III)chloride and 0.0250 mol H2O. After the ... 
Math  Trig
For the equation 4 cos theta  square root 12 = 0, where 0 < theta < (or equal to) 2 pi, determine the measure of theta. The answers to choose from are: A) pi/ 3, 5 pi/ 3 B) 2 pi/ 3, 4 pi/ 3 C) 5 pi/ 6, 7 pi/ 6 D) pi/ 6, 11 pi/ 6 Please explain and show work, because I ... 
trig
how would you verify this trig identity (1+cos(x) / 1cos(x))  (1cos(x) / 1+cos(x)) = 4cot(x)csc(x) ? help please! 
trig
please help me. use trig. identities to find the exact value. tan 25° + tan 5° / 1 tan 25° tan 5° 
trig
please help me. use trig. identities to find the exact value. tan 25° + tan 5° / 1 tan 25° tan 5° 
Geometry (Please check my work)
Find the image of O (2,1) after two reflections, first across the line y=5, and then across the line x=1. I believe the answer should be (1,6) Can someone please confirm? 
@ Sarah  econ
I deleted your 43(!) questions. Since you didn't post your answers, I assume you wanted someone else to cheat and give you the answers. No way! If you try that again, you'll be banned from posting here! If you want to post three or four questions with your answers, we'll be ... 
trig
x^23y^2=13 x2y=1 solve for x and y show all your work 
math
I'm wondering if someone could check my work please? I have a table: Distance driven in miles Total Cost 0 
Math
Hi there! How would I check if I got the area of a trapezoid correct? Is there a way to check my work? Thank you. 
trig
Find the following values for each function a. f(0) b. f(1) c. f(x) d. f(x+1) f(x)=2x^2+3x4 I you plug in the value for each x, I just want to check my answers. Thanks. 
Physics check
I just want somebody to check my answer on this problem please :) There is a box which weighs 1000 kg. There is an applied force acting upon it with a force of 20000 N (horizontally). The mu is 1.2. What is the acceleration (again, horizontally) of the object? I got 8.24 m/s^... 
English
What kind of work is done by volunteers? 1. To help the handicapped to take baths and have meals. 2. To take care of children in/at orphanages. 3. To care for sick people/patients at hospitals. 4. To clean dirty places such as rivers, seas, and mountains. 5. To do paper work ... 
Social Studies(my Thesis Check this please)
Child Labor refers to the employment of children at regular and sustained labor. Have your ever wondered what it actually means other than making kids work. It mean to make children work at regular and unstained labor. 
Math(just check it please easy)
A salesperson makes a flat fee of $20 per day plus $8 per hour. Which equation or inequality can be used to find h, the number of hours the salesperson will have to work to make more than $60 for a day's work? F: 20h + 8 = 60 G: 8h + 20 < 60 H: 8h + 20 = 60 J: 8h + 20 > ... 
TRIGONOMETRY
Can you check my work, please? This is for a trig study guide for my final next week. I'd like to know if I'm doing this right. :) 2. The polar coordinates of a point are given. Find the rectangular coordinates of each point. a. (5,(π / 4)) b. (2,(π / 6)) Answer: a... 
Math 116 algebra please check
Solve using the multiplication principle. 10x= 90 The solution is x = 9 please check 
PHYSICS (CHECK WORK)
Can somebody please check my work. I got part a right, but my answer for part b is wrong. (a) Calculate the absolute pressure at the bottom of a freshwater lake at a depth of 25.6 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3... 
Physics  pulley
A construction crew pulls up an 87.5kg load using a rope thrown over a pulley and pulled by an electric motor. They lift the load 15.5 m and it arrives with a speed of 15.6 m/s having started from rest. Assume that acceleration was not constant. I have done the problem but am... 
chem please help
Which of the following is true about work? A. Work depends on time. B. Work helps retain the state of matter. C. The SI unit of work is the watt. D. Work can cause a change in the form of matter. I know it is not a or b so whats the answer 
Math (Check)
The equation y = a^x is a decreasing function a = 1) 1 2) 2 3) 3 4) .25 I think that the correct answer is 3) 3...but I am not sure why? Can anyone please check if I am right and explain why? Please....Thank you for your help!!! 
PreAlgebra(please check)
Please check these simplified expressions(my answer is after the ;) 4(2k6)8(33k); 16k(48) 9+(2k)+(4)6k; 8k+5 x+4x(8x)9+2x+1; 13x+(8) 5(3x+6)+8x; 7x+30 8+6x+48x; 2x+12 5(m3)+4m10; 9m+5 
physics
A 10.0kg cylinder rolls without slipping on a rough surface. At the instant its center of amss has a speed of 10m/s, determine (a) the translational kinetic of its center of mass (b) the rotational kinetic energy about its center of mass and (c) its total kinetic energy. can ... 
Algebra
Please check and see if my answer are correct 1). 24v^2w^5x^820v^7w^9= 4v^2w^5(5v^5w^46x^8) 2). 8125z^2= (5z+9)(95z) 3). 5y^37y^215y+21=(y^23)(5y7) 4). x^2+4x12= (x+6)(x2) 5). 3x^226x+16= (x8)(3x2) 6).4v^6+6v^518v^4= 2v^4(2v3)(v+3) 7). solve for y y^2+6y+8=0 y... 
PreCalc/Trig...
Which of the following could be an example of a function with a domain (oo,oo) and a range (oo,2)? Check all that apply. A. y= (3)^x+2 B. y= (3)^x2 C. y= (0.25)^x+2 D/ y= (0.25)^x2 
Physics please check
Three moles of an ideal monatomic gas are at a temperature of 345 K. Then, 2531 J of heat are added to the gas, and 1101 J of work are done on it. What is the final temperature of the gas? delta U= 3/2nR(T final T initial) (2531J  1101J) = 3/2(3.0mol)(8.31)(T final  345K) ... 
Math 116 algebra please check
Solve for the indicated letter. e=9f, for f The solution is f = 1/9e Please check this 
Math  Please Help Check My Answer
Please help me with the following question: A student attempts to solve for c in the equation below. Which statement best applies to the work shown below? 3c + 6  4c  12c = 7 13c + 6 = 7 13c + 6 + (6) = 7 + (6) 13c = 1 c = 1/13 A. The student followed all rules ... 
Accounting
A check returned by a bank because the issuer's cash account balance could not cover the check is called a(n): a. Cancelled check b. Certified check c. Outstanding check d. NSF check 
Physics, still don't get it!
Suppose a monatomic ideal gas is contained within a vertical cylinder that is fitted with a movable piston. The piston is frictionless and has a negligible mass. The area of the piston is 3.06 102 m2, and the pressure outside the cylinder is 1.02 105 Pa. Heat (2109 J) is ... 
TRIG
in an arithmetic sequence a1=4 and d=8 which term is 428 Show your work 
TRIG
Sketch the graphs of y=cos 2x and y= 0.5 over the domain pi<x<pi. use an algebraic method to determine the values of x where these two graphs intersect. use exact value. Please help me work this problem out! I sketched the graph, just not sure how to set up the ... 
Trig
Can someone check my answers so far? 1. Find the exact value of tan(3ð) Answer: tan(3ð) = tan (3 + 2ð) = tan (ð) = tan (ð + 2ð) = tan(ð) = sin (ð)/cos(ð) = (0)/(1) = 0 Exact value is 0 2. Solve triangleABC is C = 90 degrees, B = 20 degrees, and b = 10. Round the... 
Algebra
Will you please check my work? I'm supposed to "Use square roots to solve the following equations; round to the nearest hundredth, if necessary." 1. 5x^2  526 = 651 My Work: 5x^2  526 + 526 = 651 + 526 (sq root of) 5x^2 = (sq root of) 125 = 5x/5 = 11.18033989/5 = 2.24 2. ... 
Trig
Need answer check pls. Find the rectAngular equation for the plane curve by parametric equAtions. X=t +4 , y= t^2 
drwl / bobpursley please check
I had posted three questions at 1:48pm, 2:40pm and 2:41pm and I am having problems with them. Can you please check them for me. Thanks! Repost if you are not satisified with the responses. 
Trig
Given sin= √5/6 with π < u < 3π/2 and cos v= √3/5 with 0 < v < π/2 find sin(uv) and tan(u+v). Please show work and simplify. 
business
You have been retained to analyze how many checkin agents should be used at a checkin counter for a large hotel. During normal business hours, customers arrive at a rate of about 24 per hour, and it takes about 7 minutes to complete the checkin process. Both the poisson ... 
history
can some one check my work? i can where is it It's the one with the one that says order the sequence. Hi! brie. My work is on the 2nd page. Count the BLACK dots next to everybody's name until you find the 35th dot. Check that work. You'll see it next to my name: MACK! :') ... 
equilibrium III
what's Kp if Cl2CO was found to be 7.46% decomposed at 395'C when initial pressure is 7.60atm. Cl2CO > < CO + Cl2 Initial p = 7.60 atm. 7.46% decomposed. (CO) = 7.60*0.0746 = ?? (Cl2) = same ((Cl2CO) = 7.60*(0.9254) = ?? Kp = pCO*pCl2/pCl2CO Post your work if you get... 
Another problem to check..please check my work...
(2x^2y)^3*(5xy^3)^2=(2x^2y)^3 = 8 x^6 y^3 *Is this correct.? (2x^2y)^3 * (5xy^3)^2 = (8x^6y^3) * (25x^2y^6) = 200x^8y^9 When you have the same base, you add exponents when multiplying. For example, x^2 * x^3 = x^5. When you have the same base, you multiply exponents when... 
Math 116 algebra please check
Solve 0.3x + 8 < 1.1x9 The solution is x > 85/7 The problem with the greater than sign has a line under it but I can get it to work correctly from my word document 
Language arts
I’m doing this essay or summary about the book always to rember the vision of maya Ying Lin can someone check my work please 
Math
Rational Equation, how do you work it out I need to check my work. x 1 x —  — = — 2 3 4 I got 4 — 3