Trig check my work please?
90,505 results, page 30

Physics
A factory worker pushes a 29.2kg crate a distance of 4.1m along a level floor at constant velocity by pushing downward at an angle of 28 degrees below the horizontal. The coefficient of kinetic friction between the crate and floor is 0.25. (a) What magnitude of force must the ... 
JOB
WHY CAN`T KIDS WORK Kids do a lot of work. They do their school work and help with chores around the home. Some kids who live on farms also help their families with the farm work. Some teenagers earn money by baby sitting or doing chores for other people. But kids can't get ... 
Chemistry
Hello. My teacher gave us a worksheet today she tried to explain it but I still don't understand it can someone help me please? 1) A jar is filled with mercury and has a volume of 500.mL. What is the mass of mercury in the jar? Show your work for credit. 2) GE's light bulb ... 
sentences
Please note that we don't do students' homework for them. Once YOU have tried to write a sentence for your assignment, please repost. Then someone here will be happy to give you feedback. =) who can you put a sentence that has including eveyone including everyone can you find... 
calculus
How do you find: the Integral of arcsin(1 / (sqrt x^2  1) ) dx ?? (The integral of arcsin of one over the squareroot of x squared minus 1) So far, I've used trig integration to simplify down to arcsin(1/tanb) *secbtanb b is theta Then, I've used integration by parts. But i'm ... 
CHECK MY CHEMISTRY WORK PLEASE ASAP
1. You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium hydroxide (NaOH) ... 
Math  Help with radicals please
Please show work Simplify rational 1. 4√(a^6 b^13) / 4√(a^2b) 2.√(2x^3 / 49y^4) Add or Subtract 3. x√(75xy)  √(27x^3y) Multiply 4.(√(5)  5) (2√(5) + 2) Rationalize the denominator 5. √(25x^5 / 3y^2) 6. 5 / 2√(7) 
Please Help with Physics Problems???????
A 0.60 kg ladle sliding on a horizontal frictionless surface is attached to one end of a horizontal spring (k = 430 N/m) whose other end is fixed. The ladle has a kinetic energy of 8.6 J as it passes through its equilibrium position (the point at which the spring force is zero... 
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 negative (mgh) 
mathematicsRate
4 men and 10 women can cut a field in 5hrs. If the men work at 5/4 the rate at which the women work. How many men will be needed to cut the field in 3hrs. #Please i need the detail explanation #thanks 
Health (Ms. Sue Check Please)
1.Kori's doctor says her muscular strength and endurance are excellent, but he worries about Kori's cardiovascular health. Kori enjoys weightlifting, softball, basketball, and bowling. Increasing the frequency of which activity will best improve Kori's cardiovascular endurance... 
SCIENCE
I did this question in this way but 2 of them correct ,is anyone can help me with this question ,many thanks. Choose the words or phrases that most accurately complete the sentences below. Drag and drop your choices into their appropriate spaces. One of the most effective ... 
math
if f(x= 5x  1 find f(a2) Please show me the work so I can understand how to arrive at the solution. Thank you. f(a2)=5(a2)1 
Algebra 1
Find the slope. 2x9y=29 Can you please work it out for me so I will know how to do the next one. 
Maths
This is part of the indices section, how do you work it out please: (8/27) to the power of 2/3 
accounting
How does delay payment of liabilities work? Please give an example too. 
math
true or false: [8]+[3]=[8+3] show work or explain answer please. 
Algebra
1). 3x + 7 = 9 2). 3(x + 5) + 3 = 12 Can you also please show the work so that I may have a better understanding. 
Algebra
6000 = 200(t) Please help me solve this equation, and show the work... Thank you!!! 
math
(1/x  3/x+4) / (1/x square  16) please help me with this question if you can show the work or explain how to solve. 
Algebra 2 URGENT
Simplify: 2x+5/4x^2+2x5/10x Please Show All Work! 
Algebra 2 URGENT
Simplify: 2x+5/4x^2+2x5/10x Please Show All Work! 
algebra
perform the product in simplified form please show the work. (2x+1)(3x2) 
algebra 2
please help. Simplify the square root of 7/8y and show all work 
algebra
y^24y+3/y^2*4y+12/y^22y+1 2y(2y+3)/ I need some help with this problem please I can not seem to work it right. 
math
Please guide me in factoring completely while showing work ty 8x^3+4x^22x 
Maths
solve by Gauss elimination x+yz=2 x+3y +z=3 4xy+3z= 5 show work for each step please 
science
can anyone give me 10 examples or energy interconversions and how they work please thankyou. 
algebra
convert to a logarithmic equation:8^y=4096 Please show work. 
Algebra 1
How do I simplify 5(c+3a)c(2c+1)? Show the work not just the answer so I actually get how to do it please. 
Maths
Can someone factorise 25x^225xy+6y^2 show your work please 
PHYSICS !!!!!!!!!!!!!!!!!!!!!!!!!!!!
a wave has a frequency of 2 Hz. find its period ? please show work..... 
calculus
Find the derivative of the function. 1. 2x+5/3x2 2. (1x)(1+x^2)^1 Please show work. TYVM. :) 
algebra
Given f(x) and g(x) below, find: (a) f+ g (b) f g (c) f*g (d)f/g Please show all of your work. f(x) = ãx g(x) = 6x5 
algebra
can you please help me with this so that i can do my other problems simplify and show alll work 4x^23x(xx^2+3) 
algebra
Can someone simplify this equation: 6(52z)+5z=8z3(163z) Please help, show all your work. 
precalculus
Given f(x) and g(x) below, find: (a) f + g (b) f – g (c)f*g(d)f/g Please show all of your work. f(x) = 5x^25 g(x) = x – 7 
algebra
y=1/4x1 1/2y=x2 This is systems of Equations please work out the problem and explain it 
Math
what is the result when 2x^2+3xy6 is subtracted from x^27xy+2? show your work. please help me! 
Math
what is 18x^5+3x^3+6x after it is divided by 3x? show your work. PLEASE HELP MEEE 
math
I still need to show my work for the days and years please help me. Thank you. 
math
Find the domain of the composite function f of g. f(x)=3/x6; g(x)= 1/x please help and show the work as well. 
algebra
find the functions f and g so that f of g =H. H(x)=(6x+9)^4 please show work so i understand this better. thank you 
algebra
find the functions f and g so that f of g =H. H(x)=(6x+9)^4 please show work so i understand this better. thank you 
algr.1
1/4n+12>3/4n4 solve the inequality and please show the steps I don't understand how to work it Thanks 
calculus please help me
find derivative of: f(x)=e^2 I know that b/c e is a constant the answer is 0, but how do I show that in my work? 
precalc
cos x+sec x=2 if you could please show all work 
math
solve the following exponential equation e^x4=e^x please show work 
math
solve the equation. log2(x+4)log4x=2 please show work 
Algebra
I am confused on how solve this substitution problem 4y+3=3y+x 2x+4y=18 If you can, show work please (: 
algebra
Given f(x)=x^2+4 and g(x)=3x+1 simplify g^1(x)(inverse) please show work and explain 
Math  HELP!
Distributive Property Expression: 6a(3a+5b  4) Please show your work and your answer. 
Algebra help PLEASE?
how do I work out problems such as 3w  10w? 13w 7w 7 7w 
math
If 12V=3W, and v(not equal)=0, then which of the following is equivalent to 2W8V? A.0 B.4W C.6W D.2V E.2V please show work. 
math
8h x $9/h i really need help. i do not understand. Please help, Thank You in advance My work 8/h x 9/h= 72/h i don't know what to do next 
Math
What percent o the student population are girls? Please show work! 
Algebra 2
Solving By Factoring 7p^250p=7 Please show work for I could learn. 
Algebra 2
Solving By Factoring 6x^213x=6 (x8)(x5)=x 4x(x6)x(x2)=24 Please show work I want to learn!!!!!! 
Algebra 2
Solving Quadratic Systems x^2+y^2=10 2x+y=4 Please show work I need to know how to do it 
Math
What is the least common multiple of 8 and 12? PLEASE SHOW YOUR WORK IF POSSIBLE! 
algebra
what is 360/100 into a decimal show work please 
Math
What is 0.06 and 0.175 as a fraction?with the work out & the explanation please👍 
Math
1. 2 / 9 + 1 /3 2. 1 / 7 + 3 /21 3. 2 /3 + 1/5 4. 1/4 + 2/3 5. 112 + 4 6 6. 1/2 + 2/ 5 7. 1/6 + 5 /12 8. 4/6 + 1/3 9. 1 / 5 + 1 / 8 10. 3/4 + 1 /9 11. 6 /12 + 1/3 12. 4 / 8 + 1/2 OMG help me please anyone and simplify and show all work. 
Math
Simplify. Please show all your work and explain. 6a^3b^2/10a^5b^4 
algebra
solve the following system of equations, please show work 3x2y+z=12 x+3y+z=4 2x+2y4z=6 
Calculus 2
Find the area of the region. Please show work so I can understand. 2y=5x^(1/2),y=3,2y+4x=9 
chemistry/please double check
Hi, I just need to know if I finally got this exercise right. Calculate the amount of heat in kilojoules released when 50 grams of steam at 125 Celsius are converted to 50 grams of ice at 125 Celsius. so, qw= 50*4.184J/g C (125 Co)= 26.15 x 10^3 qi= 50*2.09*(125)=13.065 KJ... 
check my answers? language arts
1. The fire's angder could no be contained. A). personification *** B.) simile C.) metaphor 2. The flames ran along the deliberate rows of vines, like long curved fingers reaching for the horizon, lighting the night sky. A). personification B). simile C). metaphor *** 3. ''We ... 
factoring
let f(m)=m^3 + 3m^2 + 3m + 1 notice f(1) = 0, so m+1 is a factor. Using division, the answer is m^2 + 2m + 1 which factors once more to (m+1)(m+1) so you have (m+1)^3 = 0 and then m = 1 Are you familiar with Pascal's triangle? Did you notice the pattern in the coefficients 1... 
Trig
From a point A on the ground, the angle of elevation to the top of a tall building is 24.1 degrees. From a point B, which is 600 ft closer to the building, the angle of elevation is measured to be 30.2 degrees. Find the height of the building. PLEASE HELP ME! 
science please check my work.
Aspirin (C9H8O4) is produced from salicylic acid (C7H6O3), and acetic anhydride (C4H6O3): C7H6O3 + C4H6O3 ¨ C9H8O4 + HC2H3O2 How much salicylic acid is required to produce 2.0 102 kg of aspirin, assuming that all of the salicylic acid is converted to aspirin? for this one i... 
math
Sara has gone to work for 60 days. On 39 of those days she arrived at work before 8:30A.M. On the rest of the days she arrived after 8:30A.M What is the experimental probability that she will arrive at work after 8:30A.M the next day she goes to work 
English
Can you please check these sentences for me, please? Thank you. 1) Why was the 18th century England called Augustan? 2) What were the Augustan (not Augustan) interested in? 3) Who were the first political parties and who did they descend from? Who were they supported by? 4) ... 
math
I'm working on a Venn diagram  would you please check my work? The question is: A group of 95 respondents said they regularly watch Netflix, 60 said they watch Hulu, 20 said they watch neither Netflix or Hulu, and 35 said they watch both Netflix and Hulu. 1. How many ... 
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 perpendicular to each other.B... 
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 perpendicular to each other.B... 
6th grade
I need to balance the equation and show my work. Ex. N  2.4 = 5 +2.4 = +2.4  N = 7.4 How would I show my work for: 2.3 + 4.09 = N I know the answer is 6.39 because I add 2.3 and 4.09 but how do I show the work? Thanks 
maths
A and B can do a piece of work in 10 days, B and C in 15 days and A and C in 12 days. A,B and C work together to finish the work. If they are paid 15000, find the share of each? 
check my answer please
A ball of mass 2kg travelling in a straight line at 4ms^1 is acted on by a force of 3N acting in the direction of motion for 5 seconds. What is the speed of the ball after 5 seconds? vf=vi+at but a=force/mass a = 3÷2= 1.5 vf=4+1.5×5= vf=4+7.5 vf=11.5m/s^1 Is this correct? ... 
Math Word Problem %
lisa spend 3 hours driving to and from work each work day. what percent of her day does she spend driving to and from work each work day? 
MATHS
A and B take 18 days to complete a work. A left the work after 10 days and B takes 12 days more to complete the work. In how many days can A complete the whole work? 
Math  Please Check My Answers
Please help me with the following two problems: Find the greatest possible error for each measurement. 512 m A. 0.5 m C. 0.5 cm B. 5 m D. .005 cm I think the answer is A. Is this correct? Find the greatest possible error for the given measurement if it is to the nearest 10 ... 
science/MH
1)2000mg= 2g 2)104km= 0.104m 3)480cm= 0.40m 4)5.6kg= 0.56g 5)8mm= 0.8cm 6)5L= 0.5mL 7)198g= 0.198kg 8)75mL= 0.075L 9)50cm= 0.05m 10)5.6m= 5.6cm 11)16cm= 1.6mm 12)2500m= 2.5km 13)65g= 0.065mg 14)6.3cm= 0.63mm 15)120 mg= 0.12g Thank you, I just needed someone to check my work. 
Chemistry
Given that W = PatmΔV, if a gas expands into a vacuum, the sign of W is ? 1. Positive: work is being done on the gas 2. Negative: work is being done on the gas 3. Positive: work is being done by the gas 4. Negative: work is being done by the gas 5. ZERO: no work is being... 
physics urgent!!!
A canoe of mass 70 kg with a paddler of mass 55 kg are in a river. If the river's current exerts a force of 15 N [E] while the paddler is paddling with an average force of 22 N [N38degreesW], find the acceleration of the canoe and paddler. Use both a component and ... 
science and history
How did the apollo 11 space mission pave a way for 1.) technology 2.) science 3.) America 4.) space exploration Please note that we don't do students' homework for them. Once you have come up with a response to these questions, please repost and let us know what you think. ... 
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 taking AP. 
Chemistry: check answers
Please check. Thank you. 2. What is the reduction halfreaction for the following unbalanced redox equation? Cr2O72– + NH4+ Cr2O3 + N2 A.) Cr2O3 > Cr2O72– B.) Cr2O72– > Cr2O3 C.) NH4+ > N2 D.) N2 > NH4+ 3. Which oxidationreduction reactions are best ... 
trig
We are doing trig identities in school. I need help with these five: 1.1+sinx/1sinx=cscx+1/cscx1 2.tanx+sinx/1+cosx=tanx 3.sec^2x/sin^2x=1/sin^2x+1/cos^2x 4.tan^2x/1+tan^2x=1cos^2x 5.sinxsin^3x/cos^3x=tanx 
Trig/PreCalc
Could someone please help me on this problem. I'm really confused, and this assignment is due tomorrow. Solve the logarithmic equation algebraically. Approximate the result to three decimal places. log4xlog4(x1)=1/2 To start off the equation, I know you would do the ... 
math
Can anyone help with combining like terms? The question  11 + 5t^2 + t + 6t. I don't have a clue were to begin. Wouldn't it be toget all the T's together? Would 5t^ go with it also since it is an exponent? I think so I am not sure but I think it would be that.Let me check ... 
science help pleaseeeeeeeeeeeeeeeee?
I did this question in this way but 2 of them correct ,is anyone can help me with this question ,many thanks. Choose the words or phrases that most accurately complete the sentences below. Drag and drop your choices into their appropriate spaces. One of the most effective ... 
English
Writeacher, I left out the following sentences. Can you please check them, too? 1) How are things? I'm sorry we haven't been in touch with each other recently. I've had a busy month. We've been on holiday, and we only got back last week. 2) I spent two weeks in Spain with my ... 
Math
Due to the plate tectonics, the summit of Mount Everest moves about 4.5 X 10 ^3 meter northeastwar in one year. About how many meters does the summit of Mount Everest move in 11 years? 4.09 x 10 ^3 4.95 x 10 ^3 4.09 x 10 ^2 4.95 x 10 ^2 Can you please check this? I got D... 
Marketing Management
What ae subway limited target group? Are you asking what the Subway sandwich company targets as its prime customers? Please clarify your question and we'll try to help you. Actually i am totally lost at what i am really looking for. This was suppose to be another person ... 
math
Please check my answers! Simplify the product. 7x(x+4) A. 7x^2+4 B. 7x^2+28x <<<< C. 8x+4 D. 8x+11 Simplify the product. 4x (2x^3  7x^2 + x) A. 8x^428^3+4x^2 <<<<< B. 16x^47x^2+4x C. 8x^47x^2+x D. 16x^43x^3+4x^2 I just started learning about ... 
Algebra 1Please, help me!
1. It takes Dustin 2 hours to shovel the snow from his driveway and sidewalk. It takes his sister 3 hours to shovel the same area. How long will it take them to shovel the walk if they work together? A: Working together, Dustin and his sister can shovel the walk in 1 1/5 hours... 
Physics. please help! due tomorrow!
Let W1 represent the work required to accelerate an object on a frictionless horizontal surface from rest to a speed of v. if W2 represents the work required to accelerate the same object on the same surface from a speed of v to 2v, then which one of the following is the ... 
chemistry help~~~~ Please!!!
Sodium24, t1/2 = 15.0 hr, can be used to study the sodium balance in animals. If a saline solution containing 25 μg of 24^Na is injected into an animal, how long can the study continue before only 1 μg is left? Show work please! 
Trig application
Can anyone help me with this problem? I'm so confused. Please help. A security camera is placed 27 feet from the counter at a store. The counter is 18 feet long and the camera is placed 4 feet from one end. What angle, to the nearest degree, should the camera rotate through so...