Trig check my work please?
90,377 results, page 91

maths ( mental ability)
P can do a piece of work in 9 days. Q is 50% more efficient than P. The number of days it takes Q to do the same piece of work is? 
Algebra
Quick Question, when would an inequality like this work: x^2  4x >or equal to 0? ...What would I have to do to figure out when this would and would not work? 
Algebra
Quick Question, when would an inequality like this work: x^2  4x >or equal to 0? ...What would I have to do to figure out when this would and would not work? 
physics
A 2.9kg cart starts up an incline with a speed of 2.7 m/s and comes to rest 3.0 m up the incline. The total work done (the work of the net force) on the cart is: 
literacy
plain language searches do not work in expanded academic asap and may not work in other periodical databases because periodical databases 
physics work
what is the work required to raise a 10kg bucket from a well 100meter deep? Is this right? 10*9.8= 98N 98N*100= 9800J 
Math
Lucy has to work 40.0 hours this week. She has worked a total of 32.8 hours. She reported to work at 7.55 am. What time will Lucy get off today? 
CHECK THIS OUT
"Drug use is information that is rightfully private and only in exceptional cases can an employer claim a right to know about such use." What are your thoughts? Please be aware that we are not here to do your homework or give you answers. Once you repost with YOUR thoughts on... 
Math repost for edie
Math  edie, Tuesday, March 11, 2008 at 5:11pm The area of a square is 25 square meters. What is its perimeter? Please show all work 
ChemistryTITRATION
A titration of 15.0 cm3 of household ammonia, NH3, required 38.57 cm3 of 0.78M HCl. Calculate the molarity of the ammonia. please show work and detail. 
Physics
I have a followup to my question at 4:10 about work because I still can't figure it out. FF(friction)=ma FF(friction)=2*3 F2.5=2*3 F=2*3 + 2.5 W=Fd W=(2*3 + 2.5)4 Distributing the "4" I get W=2*3*4 +2.5*4 Please help in pointing out where I have gone wrong. Thanks 
Maths
If y is a function of x and z = e^z, show that: x (dy/dx) = (dy/dz) and (x^2) (d2y/dx2) = (d2y/dz2)  (dy/dz) I managed to work out the first part. But I don't know how to prove the second part. Can someone please show me how? Thanks! 
statisticsnormal approximation, distrubution
find the normal appproximation for the binomial probabiolity the x=5,where n=12, and p= 0.7. compare this to the value of p(x=5). *please show calculations and work. want to compare my calculations. thank you. mary 
MATH(quick Help please)
Out of 42 kids in a class twice as many failed Ela as math,4 failed both. If 7 failed neither, find how many failed each subject. Show work thanks 
math
Solve. Please show all of your work. Find the length and width of a rectangular lot with a perimeter of 108 meters if the length is 8 meters more than the width. 
Math
My home work asks "what is the five number summery of a datta set? How is it used to mAke a box plot?" But i frogot what a five number summery is please help. 
CHEMISTRY HELP !!!! Show work please!
Compute the energy released in kilojoules when the sun converts 1.00 metric ton into energy. NOTE: 1 metric ton = 1000 kg. 
Please Help!
A viewer examines a work of art in a style he normally does not appreciate. This is an example of what type of action? A) Reluctant Consideration B) Creative Consideration C) Respectful Consideration D) Creative Consideration 
Math Algebra
Ann is 8 years older than Dawn. Dan is 5 years younger than Dawn. The sum of their ages is 108. How old is Dan? Please explain work too. 
Reverse Equations
a fourcomponent mixture was extracted. In the mixture was Rphenol, RCOOH, RNH2 and R(C=O)R in solution with ether and aqueous NaHCO3. RCOONA+ was separated out on the water layer. Aq. NaOH was added to the ether layer and RbenzeneONa+ was separated out in the water ... 
MathArea
Find the area of each regular polygon to the nearest tenth. Octagon with side length of 10 kilometers. Heres what I tried; but I don't know if im on the right track. Area=1/2 * Perimeter* Apothem Perimeter=base of octagon* number of sides Perimeter=10*8=80 km. SO A=40a (1/2 of... 
Math 2
You should make two selections from the list below. Which two of the four equations represents parallel lines? 2x  3y = 10 6x  9y = 15 3x + 2y = 10 9x + 6y = 30 i think it's the second one Parallel lines have the same slope. Rework your equations to be in the form y=mx + b ... 
microsoft 2013
10. David has a small business and is working on an Excel worksheet to help manage his inventory. David realizes cell E14 has the wrong output. To check the problem, David should first select cell E14 and look at the _______ to check the formula. A. range B. Formula bar C. ... 
math UNIT RATE
an 8 ounce can of tomatoes costs $1.14. an 12 12 once can costs $1.75. which can of tomatoes has the better unit price? PLEASE SHOW WORK 
Algebra 2
How many liters of water must be added to 8 liters of a 40% acid solution to obtain a 10% acid solution? Please Show All Work! 
Precalculus
let the function g be defined by g(x)=15x if the domain of the function of g is {x3 is less than or equal to x which is less than or equal to 2} what is the smallest value of the range show work please 
physics
what happens when light moves from a material with a lower index of refraction to another material with a higher index of refraction? please sho work and thank u 
Math  Real number system
Solve the following equation in the real number system. Please show all of your work. x^4 + 6x^3 + x^2  24x  20 = 0 Help!!!! 
Math
The cafeteria has 4 cases of tuna and 9 single cans of tuna. In all,there are 65 can of tuna. How many cans of tuna are in a case? (P.S.PLEASE SHOW WORK...I NEED HELP!Thank You!) 
algebra
a recipe requires flour and sugar in a 3:1 ratio. if the flour required is 2 3/4 cup, how much sugar is required? show work please. 
chemistry
You are given a 500 mL stock solution of 10%CaCl2 and are askes to prepare a 50 mL solution of .5% CaCl2. How would you prepare it? Please show work 
ELA
Help me understand This question asks you about your work in your reading character role. You may use your novel to help you answer the question. Think about the work you completed in your reading character role. Determine the ideas that would be most worthy to share in letter... 
English
Posted by rfvv on Saturday, March 11, 2017 at 6:51am. What is the part of speech of "for my birthday" in each sentence? An adverb phrase or an adjective phrase? Would you check them, please? Can a phrase be either an adjective phrase or an adverbial phrase? Thank you. 1. What ... 
Exceptional children
Can you check my answers please Adaptive behaviors are a.) the same as fuctional skills b.) different from functional skills c.) exclude functional skills or d.) include functional skills. this is tricky for me but i'm guessing d.) include funtional skills. Does this sound right? 
English
Can someone please help me with this, let me know if the below looks correct? Improving Your Writing. Section 1 Facts and Figures that define the problem (the cause) Details that show the impact of the problem (effects) on Jack, Ruth, and the company. Section 2 The steps ... 
language arts
please check my answers: 1.which of the following sentences correctly demonstrates the verb form of the adverb ruefully? (A)she had a rueful look on her face (B)i rue the loss of a golden opportunity (C)he is totally rueless to the truth 2.a person described as sensitive can ... 
Social Studies
what was significant about henry Mcneal Turner and black legislators? choose all that apply. 1. Their offices were protected by republican politicians. 2. They were African Americans elected to public office in the south after the civil war. 3. They were given their seats in ... 
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: http://yahooligans.yahoo.com/School_Bell/Math/... 
Simplifying Rational Expressions4x12/4x
These are the answers i wanted corrected: 4x12/4x d+7/d^249 t^225/t^2+t20 2x^2+6x+4/4x^212x16 6y/y^22y24 You will have to use brackets to show the intended order of operation. How can we 'correct' your work if you supply neither solutions nor answers? I will be happy ... 
government
in the role of servant to their constituents, members of congress a. work for their political party b. oversee the work of the executive branch c. screen bills for action by the whole house or senate d. help people from their district or state deal with the national government d 
math
How is doing operations (adding, subtracting, multiplying, and dividing) with rational expressions similar to or different from doing operations with fractions? Can understanding how to work with one kind of problem help understand how to work another type? When might you use ... 
Algebra 1B
How is doing operations (adding, subtracting, multiplying, and dividing) with rational expressions similar to or different from doing operations with fractions? Can understanding how to work with one kind of problem help understand how to work another type? When might you use ... 
Alegreba
How is doing operations (adding, subtracting, multiplying, and dividing) with rational expressions similar to or different from doing operations with fractions? Can understanding how to work with one kind of problem help understand how to work another type? When might you use ... 
college
How is doing operations (adding, subtracting, multiplying, and dividing) with rational expressions similar to or different from doing operations with fractions? Can understanding how to work with one kind of problem help understand how to work another type? When might you use ... 
algebra
How is doing operations—adding, subtracting, multiplying, and dividing—with rational expressions similar to or different from doing operations with fractions? Can understanding how to work with one kind of problem help understand how to work another type? When might you ... 
Chemistry
Jack drives 6.45 km to work and his car gets about 0.0147 km per gram of gasoline. Using the balanced chemical equation (you need to find out this equation by yourself), how many grams of CO2 is produced in this trip to work 
business
Leadership. Topics based in this research area may consider leadership styles, relationships, behaviour, followership, and anything else that works or doesn’t work as it related to having work conducted through others. what would be a good thesis for this topic 
ENGLISH
how to put emphasis on highlighted words ? 1 Are you going to wear " this dress " at the reception ? 2 "Ann" put up the Christmas decorations 3 why can "you" never be at work on time ? 4 "John" looks after the children when Shelia is at work 5 "Where" did you spend your ... 
Math Please Check
1.Would fraction notation for 38% be 19/50 ? 2.Would percent notation for 0.382 be 38.2% 3.Would percent notation for 2/3 be 66.6 (with 6 keep repeating)? Yes, yes, yes 
write a check
How to write a check for 4,024.29 
History
What problems did the Israelites face when they returned to Canaan? This is a religious, rather than a historic question. Please check your book or the Bible for the answer your teacher expects. As there is no physical historical evidence for Any of the events in the bible, ... 
history
please check president Roosevelt's progressive record included all the following EXCEPT a. conservation of forest land b. breakup of several trusts deemed harmful to the public c. regulation of food and drugs d. establishment of the Federal Reserve System the books says that ... 
cultural diversity
An early learning center that emphasize "product" over "process" would a. threaten most mainstream children b. be childdirected reflecting selfselection of activities and material c. ignore the principles of developmentally appropriate practices d. harmonize with non... 
History check my answer, please!
Japan became a peaceful, democratic nation relatively quickly after the end of World War II. Which step was not part of its postwar transformation? disarming most of the military adopting a new constitution giving women the right to vote giving the emperor more political power... 
English
Many events take place on the island but everyone feels guilty and sorry for their actions in the end and they head back to Italy, Milan safely all thanks to Prospero's spirit, Ariel. Ariel is a spirit who used to be a slave of Sycorax, an evil witch. (Would you check the ... 
Introduction to Graphic Design
Hello! Thanks for checking my question out! ____ 9. Susan is practicing her creativity by finding relationships among seemingly unrelated topics. What creative strategy is Susan using? (1 point) a) reverse brainstorming b) free association c) connecting ideas d) perspectives ... 
Math
A virus scanning program is checking every file for viruses. It has completed checking 40% of the files in 300 seconds. How long should it take to check all the files? I am not sure how to set this problem up, can someone please help! 40% = 40/100 40/100 = 300/x Solve for x. I... 
Health insurance
Please check my answer thanks for the help :) If an enrollee uses more services than originally assumed per the PPPM calculation then what would the paln do? A. show a profit for that period B. show a loss for that period C need a contract renegotiation D. reguire that the ... 
6th grade spanish please check if i'm right
Puedes encontrar la taquilla en frente de LA SALA DE CONCIERTOS. Si te gusta escuchar y ver música en vivo, puedes ir a UN CONCIERTO. the choices are:el cine el circo el espectáculo el estreno la discoteca la sala de conciertos las olimpiadas un concierto Thanks! 
reading
Allusion 1 Why did the author refer to "Hansel and Gretel"? 2 Why did this folk tale emphasize the horror of the Holocaust for Misha? 1 Because in Hansel and gretel the kids burned the witch and died but in Milkweed the jewish are burned. 2 Because it kind of resembles the ... 
PhysicsPlease check
If I went tubing with my little sister, and I have a larger mass, why would we both reach, in terms of energy, the bottom of the hill at the same time; Originally I thought becuase we would both be accerlerating at the same rate but that doesn't explain the energy part does it? 
Math
Not Urgent But Please Check My Answer: A pencil at a stationery store costs $1, and a pen costs $1.50. Stella spent $21 at the store. She bought a total of 18 items. Which system of equations can be used to find the number of pencils (x) and pens (y) she bought? I think it is ... 
English
Let's play the game. Make groups of eight. You should choose a leader in the group. I have prepared 4 sets of word cards and 4 sets of picture cards. The leader from each group should come up here and take the cards. The leader should mix the word cards like this and put them ... 
Check my answered questions.
For the combining gas law P1V1/T1=P2V2/T2 home work assignment I did three answers on my own and would like you to check them if they are right. If for some reason the answers that I provided don't seem correct please provide me with the right answers. P1V1/T1=P2V2/T2 For ... 
inforrmation tech/marketing
hi i just made this paper about information technology on business and marketing, im not really good at it so please check my work and maybe revise alittle thanks so much :) need it later hehe :D thanks As industry and commerce have increased their use of modern technology ... 
Dog Breeds
Please check my answer thanks 20. Suppose the AKC is considering recognizing a new dog breed that's medium in size and quite good at flushing game birds out of hiding and then retrieving them. This new breed would likely be categorized in which group? A. Hound B. Sporting C. ... 
English
Can you please check these sentences for me? Many thanks. 1) At the moment I don't know at what time I will be arriving in Berlin on Friday 13 August. 2)I believe I will be able to have conversation classes with you from Monday to Friday. (I may do two hours of German instead ... 
American Government
1. Which of the following is NOT a criticism of the media's influence on public opinion? a. bias in reporting b. negative focus c. watchdog reporting d. visual imagery Answer: b 2. Which of the following is NOT a function of an interest group? a. supplying information b. ... 
English
Can you please check these statements? I'm not sure about the word choice. 1) Explore the theme of the double as it occurs in the works of the writers we studied in class. (I need to change "we studided in class") 2) Describe (I need a synonym) the kind of imagery used by ... 
science please check my answer
A boy climbs to the roof of his house and drops a 0.40 kg rubber ball from the 7.5meter peak of the house. How much energy was lost in the process? So I got 48 J is this correct? The bounce takes place over a 170 ms time interval. What is the impulse given to the ball during ... 
please check(Social studies)
1.A>B 2.D>A 1.Which of he following is the greatest threat to the island's resources? (central american and the caribbean) i included that because i think that is the islands. A.biodiversity B.hurricanes C.deforestation D.ecotourism 2.What causes hurricanes to ... 
Math
Dear kindhearted tutor, Can you check my solution on this question? Given f' (x) = {2x  1, x≤1; x^2, x>1, find f’ (1) if exist. Since it asks to find f’ (1). I choose the first derivative because it satisfies the condition for 1. 2 x – 1 = 2 (1) – 1 = 1 What... 
Check my work plz?
2. If mangle sign1 = 53°, what is mangle sign4? 53° 43° 37° 27° 3. If mangle sign1 = 50°, what is mangle sign5? 50° 40° 35° 25° 5. If mangle sign4 = 75°, then what is mangle sign8? 105° 75° 175° 25° 11. Name the triangles that are classified by angles. right, ... 
Trig
Distance between the goal posts, 19.5 feet, is the length of an arc on a circle of radius 50 yards. The kicker aims to kick the ball midway between the uprights. To score a field goal, what is the maximum number of degrees that the actual trajectory can deviate from the ... 
women's studies
Hello, I need help with this question how has perception of certain work as feminine affected women't work both inside and outside the home? what excatly in this question is the professor looking for. thanks 
Physics
There are two ways to find how much work is done voercoming friction. One method entails knowing the force overcoming friction. What other calculation could be done to find this wasted work? 
HELP PHYSICS!! WORK
How much work is it to push a box (mass 190 kg) up an incline (angle 16 degrees with the horizontal) that is 8.3 meters long, if the coefficient of kinetic friction between the box and the incline is 0.6? 
Physics
How much work is done when a mass of 3 kg (weighing 30 N) is lifted vertically through 6 m?. A hiker climbs a hill 300 m high. If she has a mass of 50 kg calculate the work she does in lifting her body to the top of the hill. 
General Question About School
My one teacher gave us six assignments two nights ago, in addition to two long term assignments. I have several other classes besides this one, and teachers generally give no more than two assignments at once. It is impossible to complete all of the work and to do a good job ... 
Physics Help Please!!!! Urgent!!
1) A 10 kg lead brick rests on a wooden table. if a force of 46N is required to slide the brick across the table at a constant velocity, what is the coefficient of friction? 2) A horizontal force of 100N is applied to a 200 kg refrigerator sitting on a horizontal surface. the ... 
8th Grade AlgebraAnswer Check
Write each decimal as a fraction in lowest terms. 1. 0.111... Answer: 1/9 2. 0.02 Answer: 1/50 3. 0.7272... Answer: 8/11 4. 0.012012... Answer: 4/333 ?? 5. 0.66666.... Answer: 2/3 6. 0.396 (reapeating sign over all numbers) Answer: 44/111 ??? If I got any of these wrong, can ... 
Block Colliding with a Spring
A moving 1.60 kg block collides with a horizontal spring whose spring constant is 480 N/m. The block compresses the spring a maximum distance of 12.50 cm from its rest position. The coefficient of kinetic friction between the block and the horizontal surface is 0.480. What is ... 
Socials
Imagine that you are a factory owner in eighteenthcentury britain. Write a letter from an employer's point of view to a friend explaining why you think child labour is important to the economy and why it is undesirable to improve working conditions. Dear....... Child labour ... 
algebra homework
please check my answers. Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer. ln sqrt x+6 = 9 i got {e^96} log (x + 4) = log (5x  5) i got: 9/4 log (x + 30)  log 2 = log (3x + 2... 
Math Help
Hello! Can someone please check and see if I did this right? Thanks! :) Directions: Find the exact solutions of the equation in the interval [0,2pi] cos2x+sinx=0 My answer: cos2x+sinx=cos^2xsin^2x+sinx =1sin^2xsin^2x+sinx =2sin^2x+sinx+1=0 
physics/ conversions
Please check these problems. 1. 92 X 10^3 km > dm My answer: 9.2 X 10^8 dm 2. 5.52 X 10^8 g > kg My answer: 5.52 X 10^11 kg 3. 8.66 X 10^9 m > mm My answer: 8.66 X 10^12 mm 4. 1 um > m My answer: 1 X 10^6 m Thanks. 1 and 4 are correct. No so for 2 ... 
bio check my answers pretty please?
If purple flower color is dominant and red flower color recessive, how many phenotypes are possible in offspring of homozygous purple crossed with homozygous red? 1 2 3 4 I put 1. 
Science  Check my answers please (6th grade)
earth and the moon are kept in their respective orbits due to the influence of ? a) inertia b) gravity c) both inertia and gravity d) neither inertia and gravity Is it c) both inertia and gravity? 
Math
The of the 45 numbers is 9.the average of the first 20 is 10 and the average of the last 24 is 8.find the 21st number. I have solved please check this. 9=x/45 ,so x=415. 10=x/20, x=200 and 8=x/24, x=192 So,415(200+192)=23.answer Is this way and answer correct? 
chemistry(check my answers please)
1)An increase in temperature ____________ the kinetic energy and average speed of the gas particles. A. decreases B. increases 2)As a result, the pressure on the walls of the container __________. A. decreases B. increases C. is not affected 1) i think its increase 2)i think ... 
English
Could you please check these sentences? Thank you. 1) We're looking for a high school in which subjects such as biology or geography are taught in English so that in the future our students could carry out a project on a common theme in English. 2) I really hope your school is... 
E.L.A. PLEASE CHECK!
Which choice best describes the underlined words in this sentence? Red and a strange shade of green were the only colors available. Underlined is: Red _____ shade A simple subject B complete subject C compound subject D none of the above I think it is D. 
English grammar.
Please check my answer! What is the capitalized phrase? TO SCORE ACCURATELY, bowlers must learn what the terms spare, strike, and split mean. Infinitive phrase**** Gerund phrase Adverb phrase none of the above I though that the capitalized phrase was an infinitive phrase. 
English
1. Raise your left arm over your head. 2. Bend the left elbow and touch the middle of the upper back with your fingers. 3. Hold the left elbow with the right hand and pull back. 4. Hold for 10 to 30 seconds.  Are the directions all grammatical? Check them, ... 
Chemistry
This is for oxidation numbers. I need to know how to show my work. Ex: for NaClO, I have to find the oxidation number for Cl I showed my work. NaClO +1+x+(2)=0 +1+x2=0 x2=1 x=1+2 x=+1 Therefore, the oxidation number for chlorine in NaClO is +1. Cl^ I know that the ... 
physics
please check my answers what are the SI units for momentum? kg*m/s which of the following is not involved in hitting a tennis ball? a. kinetic energy b. chemical potential energy c. gravitational potential energy d. elastic potential energy i picked B How much power is ... 
English
Traveling to Fukuoka About ten years ago, I went to Fukuoka, Japan. I went there by ship. In Fukuoka, I visited a bookstore. It was important to buy English books there at that time. I always feel great twhen I look at this picture. (Would you check this writing? Correct ... 
Algebra 2
Can someone please check my answers? Find the probability of drawing the given cards from a standard dick of 52 cards (a) with replacement and (b) without replacement. 1.A red card, then a black card a. 1/4 b. 13/51 2.A ten, then the ace of hearts a. 1/676 b. 1/663 3.A face ... 
Art
Please can someone name an artist who bases their art work theme on 'good and bad' or 'good and evil'. And an artist who uses colour to show emotions? Thankyou! 
MATH
if the minimum cost is $608.50 how many barrels are extracted in order to meet the minimum cost. C=9x2144x+608.50 this is a quadratic relation that 2 is a exponet. please show your work