Algebra, help + check please
106,459 results, page 77

Math
1)A piano tuner uses a tuning fork. If middle C has a frequency of 264 vibrations per second, write an equation in the form d=sinw(t) for the simple harmonic motion. 2) Verify the identity tan^2Xcot^2X/tanX+cotX=tanXcotX I'm not completely sure on the first one, but I think ... 
math
hey i asked for help with accounting with a question i saw the same question at this site but when i click it it doesnt work is there anyway you can check it for me then what they posted there you can copy and post it here for me).my question was Tracy Migre, a certified ... 
English
1. I want something for writing;any pen or pencil will be OK. 2. I want something for writing with;any pen or pencil will be OK. 3.I want something for writing. 4. I want something for writing with. (Are they correct? If I remove the latter part, are they correct? Check the ... 
BAA App. Essay Help! (please read!)
One of my personal achievements has to do with artistic. When I was in the 7th grade I participate in the 2012 Reflections Competition. The theme was "Diversity Means...". I decided to do visual arts. In my art work, I drew a huge earth and on top of the earth I drew five ... 
Chemistry(check)
Please check for me. 1. For the reaction CH3COOH>CH3COO + H+, which of the following statements is true? CH3COOH is a BrønstedLowry acid.< CH3COO is an Arrhenius base. CH3COO is a Lewis base. CH3COOH is a BrønstedLowry base. 2. Of the metals Pb, Mg, Au, and Na... 
accounting
Tracy Migre, a certified public accounting, has completed the following transactions. Ms.Migres assests , liabilites, and owner equity account titles and balances are shown in the table below. use the table on the page to show the effect of each transaction. Transactions: 1)... 
algebra 1 function question
given functions f(x) = 3x5 and g(x) = 1/3  4/3x correct the error g(3) = 1/3  4/3(3) = 1/34 =  3 2/3 error i believe is 3 should be 3 so g(3) = 1/3  4/3(3) 1/3 (4/3 times 3/1) = 1/3 ( 12/3)= 1/3 +12/3 = 13/4 = 4 1/3 other one: f(1) = 1/3  4/3(1) = 1/3  4/3 = 3... 
algebra
please bear with me. i'am 58 years old and decided i wanna get my high school on line. my question is. convert the base 10 numeral in the base indicate 504 to base 10, and can i work this problem. so that i can come up with the correct answer. 
Chem Question?
I answered this question already, but would like you to check if the answer I provided was right. If for some reason my answer was not right please provide me with the right answer. 1)The air in the inner tube of the tire of a racing bike has a pressure of 115 psi. Convert ... 
Compter Science ASAP please
How do you check if the words exist in the sentence in Python? So far I have got... the_sentence = ("I love chocolate and chocolate loves me") sentence = the_sentence.split() print(sentence) sentence_1 = raw_input("Enter a word") def "word": if word in the_sentence: print "Yes... 
English
Could you please check these sentences I'm not sure of? Thank you. 1)Who (amont you) gets the best marks in both English and science? Who achieves the best results in both English and science? We are going to choose high achievers who get the best/highest marks in both English... 
french
I need to put these 10 verbs in passe simple then write their corresponding infinitive: regarder, rester, parler, pouvoir, s'habiller, sourire, se remplir, se montra, avoir, etre Can anyone help me with this please? Thank you for using the Jiskha Homework Help Forum. First of ... 
Health Check answers plz
Can someone check my answers? 1. Obesity is the condition of being significantly overweight. A. True**** B. False 2. Obesity is body weight that is normal for that particular age, sex and height. A. True B. False**** 3. The number of children in the United States who are obese... 
Science
During a space shuttle landing, a parachute deploys from the back of the shuttle as it taxis down the runway. In addition to the speed brake, the parachute helps the shuttle come to a complete stop. How does the parachute help during this process? A. It increases the weight of... 
Scholastic Arts and Writing Awards
Fee Waiver Statment: A teacher or administrator must submit a letter on school letterhead listing the student or students who qualify for a fee waiver. The letter must be signed by the teacher or administrator and included with the submission form in lieu of the check. Fee ... 
English
If you could have anything you wanted, what would it be? What would you be willing to do to get it? Express these ideas and emotions in a bried (10 line) monologue/sililoquy. can u send me a site that would have some examples that could help me??? Please doublecheck the ... 
algebra
need help again!!!!! Simplify the expression. Use only positive exponents. 8x^2 y^2 . (4xy^2)^1 __________ ____________ x^2y x^2y i'm sorry i can't read your question that well. use "/" sign for fractions and "*" sign for multiplication please. 
Math(Algebra 1)
Im doing math homework and having some trouble. Its called "Graphing equations", and this one is hard. It says 2xy=7 and then I have to match it with a graph in the textbook. What do I do first to be able to match it? Please help a.s.a.p. 
Algebra 1
"Solve each system algebraically. Identify each system as cosistent and dependent, cosistent and independant, or inconsistant." my teacher didn't go over this in class and i have no idea what it means! here are the problems: #1) 2f+3g=11 fg=(7) #2) 4x=y+5 6x+4y=(9) #3) 4r+t... 
Algebra
Suppose that P dollars are invested in a savings account at interest rate I, compounded annually, for 2 years. The amount A in the account after 2 years is given by A = P(1 + i)^2. Find an equivalent polynomial expression for A. Please help if you can! Thank you! :) 
Algebra HELP
h(x)= 3x^(5) + 2x^(4) + 15x^(3) + 10x^(2)  528x  352 for this equation how would I know to use the square root of 11 in synthetic division to be a factor? I used the p / q list but I did not get sqt root of 11 as a possible factor. could someone help please. 
algebra
solving the equation (x+4)(x4)=9 Eric stated that the solution would be x+4=9>x=5 or (x4)=9=>x=13 However one of these solution fails to work when subsituted back to the original equation. Why?olve and explain the reasoning. Can someone please help me? 
algebra
can you help me with the Lesson 9: Operations and Applications of Scientific Notation Connections Education 1205070 M/J PREALG  T1 Unit 2: Rational Numbers test.What is the product of (5.1*10^3)*(3.2*10^3)? (please express your answer in scientific notation.) 
algebra
Jeremy has 4 1/2 cups of iced tea. He wants to divide the tea into 3/4 cup servings. use the model to find the number of servings he can make. Please help answer question. thanks would it be 9/2 multiplied by 4/3 
algebra (please help)
A total of $22,000 is invested in two municipal bonds that pay 4.25% and 5.75% simple interest. The investor wants an annual interest income of $1085 from the investments. What amount should be invested in the 4.25% bond? 
College Algebra
A rectangular parcel of land is 20 ft longer than it is wide. Each diagonal between opposite corners is 100 ft. What are the dimensions of the parcel? This is an Example in the book but it does not clarify in the text book, Can anybody please show me how to do this? 
Algebra 2
Can someone help me solve this inequality please? So I'm supposed to write the answer in interval notation and then graph it. The problem is the answer I get is negative and I thought that absolutes cannot be negative? Am I wrong? Here is my work so far: 2x1+6<2 2x1+6... 
Algebra Probability PLEASE HELP
You have a 5question multiplechoice test. Each question has four choices. You don’t know any of the answers. What is the experimental probability that you will guess exactly three out of five questions correctly? 
Algebra/Math
The difference of two numbers is 29. If five times the smaller number is twice the larger, the result will be one. What is the larger number ? Please help.. I need an answer in 10 days. Thank you, much appreciations. 
Geometry
I am doing 7th grade algebra, and my homework is due by 9:00 and I don't know how to solve this question: Find the measures of supplementary angles 1 and 2 if, A) m angle 1 is less than m angle 2 by 40 degrees B) m angle 1:m angle 2=5:4 Please help soon my class starts at 9:00 
Algebra
1. Solve the equation below for x interms of a 4(ax+3)3ax=25+3a 2. The formula for the sum of the degree measures of the interior angles of a polygon is S=180(n2). Solve for n, the number of sides of the polygon, in terms of S. IM STRUGGLING PLEASE HELP 
Science
I have a Science fair project. This is the Science Fair Quetsion: Which brand of soda retains its gas the longest? My Problem is that I don't know how to measure gas. Can some one who knows please help me. open the bottles of soda at the same time and check every few minutes ... 
Basic Math
I forgot how to solve for two variables... Please check if I solved both problems properly! Thank you. Equations: (solve for t and z) 12t + 4z = 80 2t + 4z = 20 My answer: t = 2, z = 14 The steps: (simplified it) z = 20  3t, z = 5  0.5t (equated both sides to isolate for t) ... 
English
Now, let's do some role play. You should rold play with the dialogue I gave before. Do you have the handout? Take it out and practice the role play in pairs. I will call your number. If I call a number, the person of the number should come up with his partner and looking at ... 
Economics
Is the airline business considered to be a monopoly or oligolply? it's an oligopoly, I think. If you think about it that's more likely. Good question by the way. Tom is right. Please check these sites for more information. http://en.wikipedia.org/wiki/Oligopoly (Broken Link ... 
Chemistry test for presence of sulphate
I have a solution of Fe2(SO4)3, i.e. iron(III) sulphate solution. To test for the presence of the sulphate anion, nitric acid & barium nitrate were added. A white precipitate was obtained. Please help to check if the following equation is correct for the above reaction? Fe2(... 
Career Explorations  Please Check My Answer
Please help me with the following questions: Nichole has been a police dispatcher who answers 911 calls. After working in this position in the police department for a while, she decides that she wants to become a police officer. Nichole would like to change her A. job pathway... 
Marketing Management
What are some key issues /opportunities for Subway Resturant Please check reliable sources about this company's business plans and finances. It's in a highly competitive field of fast food. What can it do to stand out and attract more customers? In out area, Subway has ... 
How do I do this.?(Math.)
Use the Substitution method to solve the system of equations. y  2x = 5 3y  x = 5 Solve one of the equations for x or y. Let's solve the first one for y: y  2x = 5 y = 2x  5 Now let's substitute 2x  5 for y in the second equation to solve for x: 3(2x  5)  x = 5 6x  ... 
Algebra
Can someone please help with this? Allen bought 20 stamps at the post office in 37¢ and 20¢ denominations. If the total cost of the stamps was $7.06, how many 37¢ stamps did Allen buy? A) 15 B) 16 C) 17 D) 18 
Prealgebra HELP ME PLEASE
A triangle has side lengths of (x+4), (4x8), and (2x+8) units. If the perimeter of the triangle is at least 88units, what is the minimum length of each side of the triangle? 
Algebra
will you please show me step by step in solving: 1/2 log b + 3 log c. I need to express as a single log logarithm and if possible, simplify Thanks 
algebra!!!! please help me!!!!
The smallest possible positive value of 1−[(1/w)+(1/x)+(1/y)+(1/z)] where w, x, y, z are odd positive integers, has the form a/b, where a,b are coprime positive integers. Find a+b. 
Algebra I
The sum of two numbers is 15. Three times one of the numbers is 11 less than five times the other. Find the numbers. Please help. ^.^ 
Foreign languages
Can you please check these sentences, too? Thank you. 1) My friend was very upset because someone had stolen her bag before I saw her. I was waiting for the bus when I heard someone call my name. 2) I got home at half past four and immediately did my homework. We... 
algebra HELP
mary has a solution that is 60% alcohol and another that is 20% alcohol. how much of each should she use to make 100 milliliters of a solution that is 52% alcohol? please help, I don't understand how to do this problem! 
Algebra 2
How much pure acid must be added to 6 milliliters of a 5% acid solution to produce a 40% acid solution? Please Show All Work! 
algebra
the units digit of a 2digit number exceeds twice the tens digit by 1. find the number if the sum of its digits is 10. Please help i am completley lost!! 
advance algebra
The difference of two numbers is 192.If one is 9 times the other, what is the bigger number. X=smaller number y= bigger number please help..thanks 
algebra
10 ft ladder leans against wall its foot braced 3 ft from wall's base. how far up the wall does the ladder reach? please walk me through it 
algebra
Rita's tuition bill for last semester was $4360 If she paid $6052 in tuition this semester what was the percentage increase on her tuition Please help me as I am not sure of my answer which is 0.38% 
Algebra
you can represent the width of a certain rectangle with the expression x + 2. the length of the rectangle is twice the width. what is the area of the rectangle? A.) 2x+4 B.) 2x^2+8 C.) 2x^2+8x+8 D.) 4x^2+16x+16 I'm not sure on the answer..... Please help Thank you 
Algebra
Please show how to solve for problems like this: How many pounds of coffee that costs 4.50/lb be mixed with 20 lbs of coffee that costs 7.50/lb to make a mixture that costs 5.00/lb 
math,algebra
I'm not understanding so the answer should read as follows and steps: 15x^4y^9 divided by 3x^2y^2 = 5x^2y^7 Can you check this one for me. Direction. Simplify each of the following expressions where possible. 6x^2y^3+9x^2y^3 divided by 3x^2y^2 My answer: 15x^4y^6 divided by 3x... 
Calculus
Match the rule with the title: ____ 3. d/dx [f(x)/g(x) ]=(g(x) f^' (x)f(x) g^' (x))/[g(x)]^2 ____ 4. d/dx [f(g(x))]=f^' (g(x))∙g'(x) ____ 5. d/dx [f(x)∙g(x)]= f(x) g^' (x)+g(x) f^' (x) ____ 6.d/dx [x]=1 ____ 7. d/dx [f(x)+g(x)]= f^' (x)+g^' (x) or d/dx [f(x)+g(x... 
statistics
1. Use the following information about a group of college students: Fifty percent are taking Algebra. Sixty percent are taking Biology. Thirty percent are taking both Biology and Algebra. A student from the group is selected at random, calculate the following: a) The ... 
ENGLISH
Please check for commas errors and capilization. If I need to add or take out any commas, please show me where. Nashville, TN, November 9, 2011: Anisha Carter was named the new president of M& M Industries, and will take commands of the company on November 14. For the past ... 
chemistry ........................chemistry
Sodium Na+ Intense yellow Barium Ba++ Green Calcium Ca++ Brick red Copper Cu+ or Cu++ Bluegreen Strontium Sr++ ? Lithium Li+ ? Sodium and potassium mixture Na+&K :yellow light Observations using the cobalt glass filter Sodium & potassium mixture Na+&K+:reddish color Potassium... 
English
Thank you very much. I have a few other doubts concerning a paraphrase. Could you please check it? 1) He thinks that even the clear water of the ocean (from Neptune’s ocean?) will not be able to clean his hands and that the blood he has on them will rather make the water red... 
physics isothermal, isovolumetric, or adiabatic
Please check my answers. Identify the following processes as isothermal, isovolumetric, or adiabatic: a. a tire being rapidly inflated adiabatic b. a tire expanding gradually while heating isothermal c. a tire being heated while in a rigid metal container isovolumetric c.... 
Algebra
Can someone please check my answers. 1. Solve. –7x + 1 + 8x = x + 1 A) Identity B) No solution C) 1 D) 0 My answer: A) Identity 2.The length of one of the equal legs of an isosceles triangle is 8 cm less than 4 times the length of the base. If the perimeter is 29 cm, find ... 
Algebra PLEASE PLEASE HELP ASAP
1.Justin writes the letters ILLINOIS on cards and then places the card in a hat. What are the odds in favor of picking an I? a. 5:3 b. 3:5 c. 3:7 d. 1:2 my answer is b? 2. Justin writes the letters ILLINOIS on cards and then places the cards in a hat. What are ... 
International Business: Please Check Answer
Hi, Please help me! I need to know is these is the correct answer for these questions. Thanks for your help! Some countries try to hold the value of their currency within some range against an important reference currency. This is referred to as what? a. A dirtyfloat system. ... 
Spanish 1Please check someone
Hi, did I do these correctly? Thank you 1. ¿Qué te gusta hacer? Me gusta nadar y andar en patineta. 2. ¿Te gustan los deportes? Sí, me gustan los deportes. 3. ¿Qué comida te gusta comer? Me gusta hanburuesa y unas papas fritas o la paella. Could I also say: Me gusta ... 
HELP! prealgebra
i have a word unscramble that i need help with i have to turn this word in unscrambled so this is the word scrambled: Seprororpit p.s. please relply asap thnx :] 
Algebra I
I can understand this if the steps are shown to me. Please help me explain it to my daughter! One number is 8 more than another number. Their product is 273. I got this far. X(X + 8) = 273 X^2 + 8X = 273 
Algebra
3 (in the nook) of the radical of 8 raised to the second power according to my book equals 2^2 which equals for. But how and why does this equal 2^2? Can you explain the process please? I don't get how that radical equals four! Thanks for your help! 
Algebra II
A math book said that the answer to (1 + 1/n) to the nth power was 2.5 when n=1. It seems like the wrong answer to me and that the answer should be 2. Please let me know if I am right or explain if I am wrong. 
Middle school algebra
Please help: Problem: 14 divided by a number is 21. What is the number? my teacher says the answer is 2/3 but I don't get that answer. I set it up: 14/n= 21 Then tried solving as: (n/14)(14/n) = 21/14 My answer = 1 1/2 What am I doing wrong? Thank you 
college algebra
Write expression as one logarithm and simplify if appropriate. log 3√x + log x^4  log x^3 4 log (x+3)  5 log (x^2+4) + 1/3 log y I have these who problems but I don't know where to start. HELP Please. 
ALGEBRA
it is now between 3 and 4 o'clock and in 20 minutes the minute hand will be as much ahead of the hour hand as it is now behind it. what is the time now? please help me. Godblesss you 
algebra 2
The graph shows a probability distribution. Which probabilities are equal to 0.3? Select each correct answer. P(X≥3) **my choice P(5≤X≤8) P(X≤3) **my choice P(3≤X≤5) **my choice it has a graph but i don't know how to attach to here please help 
Physics  Check Answers ASAP
Could someone please check over my answers? I'm not very good at physics, and therefore am not sure if I got all of them correct. 1. A skier of mass 70.0 kg is pulled up a slope by a motordriven cable. How much work is required to pull the skier 60.0 m up a 350 slope (ignore ... 
dog behavior
Please check my answer thanks so much :) When training a dog in a new command, when should you give the dog its treat? A. As soon as it completes the target behavior B. As you give the release signal C. As you give the target command signal D. When it's just beginning to ... 
Technology
please check these for me: 5. Which type of control ensures that finished goods perform within an acceptable range? a. inventory control b. process control c. material resource control d. quality control D 6. Which of the following are NOT components fo a control system? a. ... 
Math
Each of the following objects have been measured with inappropriate units. Convert them to more suitable units. (Please check my work and see if the units are correct for the situation?) a) The thickness of a dime is 0.00122m 0.00122m*100cm/1m = 0.122cm b) The height of a ... 
algebra
The sum of the digits of a certain twodigit number is 7. Reversing its digits increase the number by 9. What is the number. Use x and y. Please help me!!!! 
algebra
the area of a rectangular picture frame is 30 1/3 square inches. the length of the frame is 6 1/2 inches.please help find the width of the frame. thanks 
Algebra
Simplify this expression (DO NOT solve for x) 5x+6(x+2)8(x3) I have no clue, can someone tell me how to solve it? Please don't tell me the answer, only how to solve it. Thanks :D 
Spanish 3
Hello! I need someone to check over my Spanish answers and see if I have them right. And if I don't, can someone please help me? Thanks a bunch! :) Directions: Rewrite using Direct and Indirect Object Pronouns when needed. 1.) I read the book to Helena. My answer: Leí el ... 
Math (Algebra/PreAlgebra)
A book has been discounted 20% and now sells for $15. How much did it cost before the discount? 
Algebra Question
How do I write A1 The minus one is small and at the top but I am new at algebra and this is the first time I had to use this. 
biology
are van der waals forces and ionic bonds similar ? How ? and are there also any difference beetween them? please please please help my brain is spinning! thank you so much! 
History Please Please
Could you please explain to me: how was the structure (Collosus of Rhodes) effective for it's stated purpose? I don't understand the question and I need something for my project. Pleaseee. 
Math
Is this a trick question? I need to write the number 79 in short word form, would it be seventy 10's and one 9 or 10 sevens and 9 ones? Please, please, please help me Thank You 
Math (Algebra/PreAlgebra)
Which equation is an identity? a. 3x  9 = 3x b. 4p + 7 = 7 + 4p c. 2w = 0 d. 5k = 5 
algebra
can anyone tell me a few site good for algebra 1a? 
ALGEBRA 2
WHAT IS THE RIDDLE TO ALGEBRA WITH PIZZAZZ WORK SHEET 56?? 
Algebra
In Algebra terms, what does "restrict the variables" mean? 
algebra
algebra with pizzazz!In music,what does allegro means? 
Algebra
What is the riddle to Algebra with Pizzazz worksheet number7? 
Math SOMEONE PLEASE PLEASE PLEASE PLEASE HELP
Find sin(θ), cos(θ), tan(θ). Assume a = 40, b = 9, and c = 41. (Do not use mixed numbers in your answers.) Okay for some reason I keep getting this problem wrong. For sin(θ) I put 9/41, but it's wrong. Could someone please tell what I did wrong. 
English
I saw many animals such as koalas, a dingo, kiwis, cuscuses, kangaroos and emus in the zoo. I saw an emu stand in front of me. I saw a dingo stand by me. I saw kiwis gather around the fence. I saw a girl carry a koala. A mother koala is on a tree with her baby on her back. I ... 
GK..please check...Chemistry Help Please
Moles of S203^2 = (molarity)(volume): =(0.032400 mol/L)(0.053 litres S203^2) = 0.03240 moles S203^2 Moles if I2 based on Equation #2: Moles I2 = (1/2)( 0.03240 moles S203^2) = .00086 moles I2 Moles of ClO^ based on Equation #1: Moles ClO(aq) = (2/3)(.00086 moles I2) = .... 
Biology
The ability to roll the tongue (R) is determined by a dominant gene while the recessive gene results in the inability to roll the tongue (r). A man and his wife can both roll their tongues and are surprised to find that their son cannot. Explain this by showing the genotypes ... 
history
who was the 5th president of the u.s please help me Check this site. http://americanhistory.about.com/library/fastfacts/blffpres5.htm 
grammar(correct version
Choose the correct version of the sentence. The bird naive but curiosflew straight towards the cat.(my choice) The birdnaive but curiousflew straight towards the cat. Can someone please check for me 
science/chemistry
The van der waals equation incorperates corrections for the ideal gas laws in order to account for the properties of real gases. one of the corrections accounts for 1:The kinetic energy being inversly proportional to the temperature 2:The possibility of chemical reactions ... 
cultural diversity
1. Prejudicial behaviors by young children, particularly in the 3 to 5 year age group, are not rooted in: A. Cognitive inability to fit new information and experiences into an existing belief system B. Observation and emulation of prosocial attitudes and behaviors on the part... 
English
I still have to include the following paragraph to my previous letter. Can you please check it? Thank you. 1) As to your accommodation, you have chosen a hotel which lies more than two miles from the school! 2) I think you should opt for one among the following hotels which ...