Algebra, help + check please

13,812 results, page 72
  1. US history

  2. Rational Inequities

    Can you please check my answers? Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. x-2/x+1 or equal to 0 my answer: (3,8] 2/x-2
  3. Geometry 10

    Triangle ABC is extended to point D Angle CAB =x+40 Angle ACB = 3x +10 angle CBD = 6x what is measure of angle CAB? I can get angles inside triangle to equal 180 but when I check for the extended point it does not add up to straight line 180
  4. Algebra

    Can you please check my answers? Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation. x-2/x+1 or equal to 0 my answer: (3,8] 2/x-2
  5. chemistry

    For the adiabetic expansion of an ideal gas a) does the gas do work? B) doesd the internal energy of the gas increase, decrease or remain constant? C) what happens to the temperature? Please check my answers A) yes the gas does work because it is expanding
  6. Mathematical reasoning

    If the rain does not come, then the crops are ruined and the people will starve. The crops are not ruined or the people will not starve. Therefore, the rain comes. i. Identify the premises and the conclusion. ii. Use appropriate symbols to represent the
  7. Geometry 10

    Triangle ABC is extended to point D Angle CAB =x+40 Angle ACB = 3x +10 angle CBD = 6x what is measure of angle CAB? I can get angles inside triangle to equal 180 but when I check for the extended point it does not add up to straight line 180
  8. operating system

    The proprietor serves an average of 800 students a day, with inter-arrival times following an exponential distribution. Most students check out with very few items, but there are some that do all their grocery shopping there, which results in service times
  9. I need help answering this Accounting question!?

    While preparing the April 30th bank reconciliation for the checking account for Calvin Corporation, the accountant identified the following items: Calvin's balance according to the general ledger: $15,000 Outstanding checks: 2,500 Bank service charge: 15 A
  10. precal

    The smaller of 2 numbers is 10 less than 4 times the greater number. The bigger number is 19 more than the smaller one. If x is the smaller number one equation is: a)x+y=19 b)x=19-y c)y=x+19 d)x=y+19 I'm almost positive it is d I just want to check. A
  11. English

    1. Listen to the following chant carefully. 2.Sing the chant together to the rhythm. 3. Make groups of five and using the following expressions, make a chant. 4. Group by group sing the chant. --------------- Are the expressions above correct? Would you
  12. Algebra-Mathmate or Reiny or Dr. Bob, please check

    I have two short questions which I think I know the answer-could you please check? If I write log(b)x - 2log(b)y as a single logarithm it would be log(b) x/y^2, correct? If not please help and Is the function f(x) = 1/x a exponential function -I think it
  13. sixth grade math

    Find the percent of each number. 1. 5% of 220 files Answer is 110 2. 360 kilometers is 24% of ___ kilometers. Answer is 864. 3. At a shelter, 15% of the dogs are puppies. There are 60 dogs at the shelter. How many are puppies? Answer is 25 puppies Can
  14. ALGEBRA 1

    CAN SOMEONE PLEASE CHECK TO SEE IF I HAVE DONE THESE CORRECTLY. Thanks for your help. Solve by completing the square 1. X^2-6x=16 X^2-6x + (-6/2) ^2=16+ (-6/2) ^2 X^2-6x+36/4= 16+36/4 (X-6/2)=100/4 X-6/2= +or - 10/2 X=6 + or - 10/2 X=-4, X=8 2. 2x^2-3x+1
  15. Business

    Camden Products buys a $500,000 machine by taking out a bank loan.The company's assets will______by $500,000 while its liabilities will_____by $500,000. A.rise;rise B.fall;fall C.fall;rise D.rise;fall My answer is D can somebody check for me thenk you
  16. Math>>>>if anyone could check my answer

    this problem is difficutl for me i have an answer but im unsure so if someone could check my answer please. heres my problem: A light year is the distance that a light travels through a vacuum (space without matter) in one year. A light year is about 9.46
  17. Calculus

    True or false. 1. If F'(x) = G'(x) on the interval [a,b] then F(b)-F(a) = G(b)-G(a). I think it's true but I just want to check my reasoning. F'(x) = G'(x) means that F(x) and G(x) differ by a constant (which may be 0). When the subtraction is done to find
  18. math

    Factor: x^3 - 3/4x - 1/4 The answer is: (x - 1)(x + 1/2)^2 How do I learn to do that? I'd like to reread an appropriate chapter from an appropriate textbook and do practice problems. It takes experience and practiced eye. Algebra books have chapters on
  19. Chemistry help

    Hello. Can I get someone to help me set up these problems? 1.) How many moles of N are there in 2.6 moles of NHO3? 2.) How many moles of C2H6 (g) are consumed when 4.4 mol CO2 (g) are produced? 3) How many milliliters of 0.80 M CuSO4 must be diluted to
  20. math

    A town planner is using a map of a town centre with a scale of 1: 1250 A new section of road will be 180 cm. How long will it be on the map? Give your answers in centimetres. how do i work this ouit? Please check your figures and the wording of your
  21. Spanish-Please check my work-Thanks

    Could someone check-I had to correctly conjugate the verbs. Mis hermanos prefieren un pastel de chocolate. Mi padre prefiere una corbata azul. Mis amigos quieren una fiesta. Yo quiero muchos regalos. Nosotros queremos una fiesta. Ellos quieren bailar.
  22. western experience

    Can someone please check my answers? 1. In the early 1970s the only European nation capable of meeting its own oil production needs was A. Great Britain B. France C. Germany D. the soviet union E. Spain D. The soviet union 2. Which group has seen its
  23. English

    Could you check these very few sentences. I also wanted to know why the sentence "He is said to send her messages" is wrong. Isn't it equivalent to "they say he always sends her messages"? Thank you for helping me. 1) A make-up artist is someone who puts
  24. English

    What winter sport do you like most? 1. I lke curling because it's fun to see players hit big stones. 2. I like bobsledding because it's thrilling to ride a bobsled. 3. I like speed skating because I like wild races. 4. I like ski jumping because I like
  25. chemistry ........................chemistry

    Sodium Na+ Intense yellow Barium Ba++ Green Calcium Ca++ Brick red Copper Cu+ or Cu++ Blue-green Strontium Sr++ ? Lithium Li+ ? Sodium and potassium mixture Na+&K :yellow light Observations using the cobalt glass filter Sodium & potassium mixture
  26. English

    Date: Jun 12th, (Friday) 9:00 - 17:00 Place: Teachers' Training Center on the Second floor. People: 16 native speakers and Korean English teachers are supposed to be at the Teachers' Training Center. Title: 2009 Native speakers Cooperative Calss Intensive
  27. Precalculus(Please check and help)

    Find the Equation. Please check the answers and help. Thanks! 1.) Ellipse with center (0,0), foci on x-axis; x intercepts; major axis of length 12, minor acis of length 8. I got : x^2/144 + y^2/64 = 1 2.) A parabola with vertex (0, 0) and focus (5, 0). I
  28. Chemisty (Sig Figs)

    Each of the following numbers was supposed to be rounded to two significant figures. For each one below, decide whether it was correctly rounded or not, and for those that were incorrectly rounded, correct them. (a) 3.149 e3 to 3.2 e3 Its incorrect but I
  29. Greeks

    Do you know any webs for Greek famous landscapes? We need one or some right away please. The most famous Greek landscape is the Acropolis in Athens. Also, some of the Greek islands are famous for their landscapes. Check this site for thousands of pictures
  30. English

    Could you please check these few sentences? Thank you. 1) I clapped him for good luck. As the curtain went down, everybody clapped and cheered. (Do these two verbs have the same meaning?) 2) While she was pouring milk into the cup, she dripped some over
  31. English

    4. You applied for teaching. Would you let us know why you decided to be a teacher? - When I was an elementary school student, my homeroom teacher liked me very much. I also studied hard to please my teacher. So, my future job became teaching at school. I
  32. English

    Let's work in pairs. Say the specialty of your friend you know well to your partner. Use the following pattern. * I have a friend who ___________. For example, if one of your friends swims very well, say to your partner,"I have a friend who can swim very
  33. Science/ Chemistry

    When 0.422 g of phosphorus is burned, 0.967 g of a white oxide (a compound of phosphorus and oxygen) is obtained. a. Determine the empirical formula of the oxide. So for the empirical Formula I got P_2O_5 now it wants me to Write a balanced equation for
  34. geometry

    Point P on the side AB od triangle ABC splits AB so that AP:BP=1:3. If M is the midpoint of CP, then the ratio of the area of triangle BPM to the area of triangle ABC is A)1/4 B)5/8 C)3/8 D)3/16 I know that the rule is if two triangles have cogruent
  35. chemistry

    Predict the precipitate that forms: HCl + AgNO3 --> ??? i don't know what the answer is but i think it is Cing04 AgCl. You need to learn the solubility rules. If you don't have a web site I can give you one. hey watz up can you help me with a question
  36. Accounting

    Please check my answers. Identify each of the following as either assets, liabilities, or owner's equity. 1. Petty cash- Owner's Equity 2. Mortgage payable- Liabilities 3. Furniture- Assets 4. Owner's Capital- Owner's Equity 5. Food inventory- Assets 6.
  37. English composition

    I also bought a timer. After I turn thes witch to the right, clockwise, if I put the point on the switch to the time, it will ring after the time. We don't need a battery in this product, for it has a mechinacal spring. It is useful when you cook instant
  38. astronomy

    Before Dark Energy could be discovered, several preconditions needed to be in place. Tick all the factors below which were necessary for the discovery of dark energy. 1. Large format detectors for wide field imaging 2. Radio interferometers 3. Large
  39. English

    Can you please check these sentences? It's really urgent. 1) At school I mustn't cheat during a test (also tests?). 2)When I do the washing-up, I have to put the dishes into the dishwasher, then put the washing-up gel (powder) into the dishwasher, start it
  40. Spanish

    Coud someone please check my answers to the questions? 1.¿Qué apagas cuando tienes frío? Apago la ventiladora cuando tengo frío. 2.¿Dónde están las cosas muy frías en tu cocina? Están en el refrigerador. 3.¿Qué usa tu madre para cocinar? Ella
  41. English

    We had a health checkup at school. A doctor and two nurses came to our school. My hearing was good, and my eyes were not bad. I had two decayed teeth. There was a cavaty on each tooth. So I have to go to a dentist's to have the cavities filled in with
  42. Calculus - Dot Product

    consider a rhombus ABCD a) find the resultant of vector AB + vector AD and vector AB - vector AD? (cosine rule) b) What will be the value of the dot product of vector AB + vector AD and vector AB - vector AD always be? (always zero) c) Is this value of the
  43. Algebra

    Please check my answer. Solve the system of linear equalities graphically. 3x-y=1 y (0, -6) Equation 1: x-intercept as an ordered pair=> (2,0) Do I have the ordered pairs correct?
  44. English

    Thank you very much. I just have a few doubts about an email I need to write. Students will be able to.. 1) use recordings to monitor grammatical errors in spoken English 2) Prof. ... has completed part D in Italian (points 2-6). I translated them into
  45. history

    i have to draw a picture of a crusader soldier from the middle ages. i have tried a couple of websites but as i do not know what one looks like, i don't know which is correct. please help. Thank you for using
  46. English

    1. What is the first two steps of making fortune cookies? 2. After baking for 10 minutes, what do you have to do? 3. What is the last step of making fortune cookies? 4. The following is the recipe of fortune cookies. 5. There are some errors in the fortune
  47. 7th grade math

    Can you check these? 1. Jonelle is running on a track that is 2/3 of a mile long. So far she has run 4/5 of the way around the whole trace. How far has she run so far? Ans: (2/3)(4/5) =8/15 mile 2. A recipe for muffins needs 3/4 of a cup of milk. You are
  48. HIPPA

    please check my answer thanks If HIPPA law is stricter than state law, which standards should you follow and why ? What if state all was stricter ? This is all I have so far any input would be great HIPPA laws are stricter than any state law. This standard
  49. precalculus

    Can you please check my answers? 1.Find Pk + 1 if Pk=2^K-1/k! answer: 2^k+1/(k+1)! 2.Find Pk + 1 if Pk = 7 + 13 + 19 + ...+[6(k - 1)+1] + (6k + 1) answer: 7+13+9...(6k-1+1)+6k+1 +(6k+2) 3.What is the first step when writing a proof using mathematical
  50. Algebra 2

    I've got some homework about ellipses and I am not sure if I am doing these right. So if you could check my answers I would appreciate it. Thanks!! 1.) Write an equation for an ellipse if the endpoints of the major axis are at (1,6) and (1,-6) and the
  51. language

    is my free verse peom correct? can you check for any errors? thank you. Sitting On The Beach Sitting on the beach Watching the sun set, It makes me calm. Sitting on the beach Watching people walking past, Holding hands. Sitting on the beach Watching the
  52. Grade 10 Physics (Acceleration, Speed, Time)

    I just need someone to check my answers to this one review question.. Exams are tomorow so i need them to be checked quickly. An Octopus accelerates at a rate of 0.65m/s/s for a time of 4.8s. How much will the speed of the octopus change? We are trying to
  53. physical science

    A disturbance sends ripples across water in a tub. These ripples are an example of a? rarefaction longitude wave compression surface wave (my choice) Sound is an example of what kind of wave? transverse wave longitude wave surface wave wavelength (my
  54. English

    A: What do you think of planting trees? 1. I think it is good for health. 2. I think we can live in better places because of the trees. 3. I think we need to plant more trees to live a healthy life. 4. I think we should try our best to preserve the earth
  55. Math

    As you can see from my nickname, math and I don't have great history. That is why I would like someone to check my answer. Q: Samantha types 40 words per minute. How many words can she type in 8 minutes? My Answer: 320 How I got to this: This question
  56. Health

    When conmparing the flow of lymph in the lymphatic system with the flow of blood in the circulatory system. It can be said that the Lymphatic system also A. uses a pump B. contains fluid that travels in only one direction C.Uses valves to prevent baclward
  57. Math (Check answer)

    Please check the solution below: X, is assumed to be a random variable by placing letters of the word “YACHT” in a hat. If these letters are withdrawn then it gets replaced. A value of 1 is given when a vowel is retrieved, and a value of 2 is given
  58. English

    I left oout the following sentences. Thank you very much. From your literature book Cakes and Ale: 1) Read and summarize "George Orwell and the theme of Anti-Utopia" on pp. 305-306. 2) Read "Big Brother is watching" from Chapter 1 of G.Orwell's 1984 (in
  59. Literary device

    Hi. I have to do a column on a paper and I needed a little help deciding where these two lines should go.. The poem is Sympathy by Paul Laurence Dunbar " Till its blood is red on the cruel bars; " and "When he beats his bars and he would be free" Here are
  60. English

    Can you please help me check these sentences? Thank you very much. 1.Some schools valued their pupils' athletic prowess more than their scholarly ones. 2.Factory owners were also oblidged by legislation to teach their duty (? they apprentices). 3.One of
  61. English

    1. Will you summarize the passage? 2. Will you tell us summary of the passage? 3. Will you make a summary of the passage and say it to us? 4. Will you tell us about the summary of the reading text? 5. Will you summarize the passage and say it out loud in
  62. English

    I urgently need you to check these sentences for me because I made some variations. Thank you very much. 1) The head of our science department would like to discuss the theme in further detail with you before deciding which students to include in the
  63. Spanish Help

    Hola! Can you check my work and tell me if it's all right? State whether the command is formal ("Ud.") or informal ("tú"). 1. Come la sopa. Formal. 2. Hable más despacio. Informal. 3. No compres más ropa. Informal. 4. Beba m�s agua. Formal. 5. No
  64. Chemistry

    1.Which of the following elements is likely to have the highest concentration inside a human cell? K Cs Na Rb Li 2.Which of the following has an amphoteric oxide? Be Ca Sr Ba 3.In the following list of metals, the strongest reducing agent is Rb Na Cs K Li
  65. Chemistry

    How many grams of dry NH4Cl need to be added to 2.10L of a 0.600M solution of ammonia,NH3 , to prepare a buffer solution that has a pH of 9.00? Kb for ammonia is 1.8x10^-5. I just wanted to make sure I dd this write, can you please check my work? Thank
  66. solubility

    can you check if this is right? Solubility in Ethanol Calcium Chloride:no Citric Acid: yes Phenyl Salicylate:yes Potassium Iodide: no Sodium Chloride: no Sucrose: yes if some are wrong then you can you explina to me how I would know if it is soluble or not
  67. English

    Writeacher, what time is in your country now? I really need you to check my last sentence. I hope you are not too busy with your grandchildren. Thank you very much for your invaluable help. 1) In particular, we may be interested in two different types of
  68. Com/155

    Can some one check these for correct advebs and adjectives. I was extremely irresponsible in my younger years. I was not fully educated with credit card debt. The debt added up much faster than expected. The interest rates were extremely high. The
  69. Chemistry

    Hi, I was given the reactants for the chemical reaction and I am supposed to write the product. The equation must be balanced. Can someboy please check my work? Thanks :-) 3NaOH + Fe(NO3)3 --> Fe(OH)3 + 3Na(NO3) 2NH3 --> N2 + 3H2 2H2 + o2 --> 2H2O 4Mg +
  70. Foreign languages

    Writeacher, could you please check these sentences? Thank you. 1) I'm forwarding you the link to the requirements for next year's Comenius exchange programme. I really hope to receive some good news from you. 2) We are looking for a hotel accommodation for
  71. math

    Could someone check my answer: the question is: The equation y= 12x +5 shows the total cost for ordering tickets on the phone for a certain outdoor concert. Tickets are $12 each, and there is a one-time service fee of $5. Can the slope of this line be
  72. Introduction to Graphic Design

    Hello! Thanks for checking my question out! ____ 9. There are two sculptures of George Washington. One sculpture makes use of sharp edges and abstract shapes, while the other captures a more realistic view. Which of the following is different about these
  73. Social Studies

    Where in North America did the Mound Builders live? in the Southwest in the Northwest in the Central Mexico in eastern North America THIS ONE Which statement best describes the agriculture of the Mayas Each year, they rotated the kinds of crops planted.
  74. Art

    Thank you very much, Writeacher. Here are some more phrasal verbs related to phone calls I'd like you to check. Thank you again! 1) When I rang her the first time, we were/got cut off (the line dropped) and I had to call her again. 2) As soon as I got back
  75. Statistics

    A density curve like an inverted letter "V" The first segment goes from the point (0, .6) to the point (0.5, 1.4). The second segment goes from (.05, 1.4) to (1, .6) Find the percent of the observations that lie below .3 I have no idea how to do this If
  76. Chemistry

    If you measured vitamin C in the solution prepared from a vitamin C tablet, calculate how much vitamin C was in the tablet (show your work) and compare that with the amount claimed to be in the tablet given on the label. [Note: You dissolved the tablet in
  77. Chemistry(Webwork)

    Enter the numerical energy values (X, Y, & Z) on the y-axis and calculate the Ea and G. (Note: This is a multipart problem. First input your values for X, Y, and Z. When you are satisfied with your values submit them and check the box Go on to next part
  78. English

    1. We shouted good expressions together with the sash around the upperbody at the beach. 2. I learned how to use ropes when we go down a cliff in a mountain. 3. We got together and learned new songs accoring to the guitar sound of the leader. 4. We cleaned
  79. Chemistry-DrBob222

    What is the final temperature and physical state if water when 47.50 kJ of energy is added to 15.0 g of ice at -10.0 C? Helpful information: Cs (ice) = 2.1 J/g C Heat of fusion (water) = 6.02 kJ/mol Cs (water) = 4.184 J/g C Heat of vaporization (water) =
  80. English

    Could you please check the following sentences, please? Thank you. 1)I'm still waiting to receive an answer from the principal of the German school to see if they are willing to accept your school in our Comenius partership. 2) In any case, our science
  81. Spanish (Sra)

    Can someone check my work? English: My cousin came over to play. We were running around the living room. My brother and cousin crashed into each other. And my brother cut the corner of his eye open. Spanish: My primo vino a jugar, Nosotros estábamos
  82. English

    I included only 4 sentences for you to check. Thank you. 1) Refer then to the episodes which lead to the abolition of slavery. 2) He provides us with several epigrams –short and clever amusing sentences – which express his idea in a clever and amusing
  83. Spanish

    Can you please check my grammar on these four replies? 1) What have you done today before studying Spanish? Antes de estudiar español hoy, me desperté, me duché y desayuné. 2) What would you do with 1 million dollars? Con $1M, viajaría y ayudaría a
  84. English

    1. He used to take a walk in the park. 2. He used to swim in this river. 3. He used to live in Chicago. 4. He used to drive a car to New York. 5. He used to walk his dog along the road. 6. He used to play soccer when he was young. 7. He used to cook
  85. U.S.History

    please check In their Reconstrucion policies, both President Lincoln and President Johnson insisted upon a. sworn statements of allegiance from a majority of citizens b. imediate elections in all Southern states c. Soutehrn approval of the 13th Ammendment
  86. English

    1. In my bag, I have two fishes. 1-1. In my bag, I have two fish. 2. In my bag, I have two food. 3. In my bag, I have food. 4. In my bag, I have two kinds of food. 5. In my bag, I have two kinds of foods. (Which one is grammatical? Would you check the
  87. Math

    How many more of corols stamps are from Norway then from France? * France= 24% England= 22% Italy= 25% Norway= 29%* A. 5 stamps*** B. 24 stamps C. 29 stamps D. 53 stamps please check
  88. Physics

    Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 38 km away, 19deg north of west, and the second team as 28.7 km away, 35deg east of north. When
  89. English

    1. He will have finished the work by the time you come. 2. He will have gone to Japan next week. 2-2. He will have gone to Japan by next week. 3. He will have read the book three times if he reads it again. 4. He will have lived in Chicago for ten years
  90. Statistics

    Local food distributor claims that 18% of all food sold are vegetables. If 112 food items are sold are randomly selected, what is the probability that the proportion of vegetables sold differs from the population proportion by more than 2%? I am trying to
  91. science

    Shubham lives in avillage,where drinking water facilites are very limited.they collect drinking water from a pond people also bathe and wash their clothes in that pond.he observed the most of the people are suffering from diarrhoea he advised people to use
  92. English

    1.Choose a movie or a performance you saw recently and write down your story in the blanks. I like watching movies. I saw Titanic. I think it was fantastic. 2. Based on the summarized above, write down your movie report /write down your impression about
  93. Math2[Please Check Again]

    Problem: a^2-9 a^2-3a ----- * -------- a^2 a^2+a-12 What I Got: 3-3a ---- a-4 *Please Check My Work.* Nope. factor the denominator to a^2(a+4)(a-3) The last factor divides out in the numerattor (second term factors to a(a-3). The a in the numerator reduces
  94. spanish

    please check. Our city offers many luxury hotels and also inexpensive lodgings. With the luxury hotels, you can make reservations for double bedrooms. Also, the luxury hotels include security systems, a big screen T.V., and solar heating for the winter.
  95. government MS. Sue please

    Ms. Sue, Could you double check these, I asked you earlier and got the ball rolling. I had to choose five interests that are affecrted by public policy decisions. I chose No Child Left Behind, Health care insurance, environmental safety, veterans groups,
  96. maths

    The insight bus tour offered to take a group of senior citizen to a lake resort for a fare of $120 per person if 25 person or fewer sign up. If more than 25 person make the trip, each fare will be reduced by $20. The capacity of the bus is 40 people. find
  97. math

    Would this be a good resource for my students? This website? Yes, I believe so. We have several people who are very good at helping students with their math homework questions, from elementary school through college levels. Be sure to check out the
  98. Science - 7th grade

    Can you check the following? Experiment A: Four groups of rats are first massed and then fed identical diets except for the amount of vitamin A they receive. Each group gets a different amount. After three weeks on the diet, the rats’ masses are measured
  99. Calculus

    Would you please check my answer to make sure I did it right? Bus travel, a bus company finds that monthly costs for one particular year were given by C(t) = 100 + t^2 dollars after t months. After t months the company had P(t) =1000 +t^2 passengers per
  100. English Class

    What is the direct object in these sentence? Can you check them please 1. This article gives interesting facts about libraries. Is it libraries? 2. In the Untied States, we now have thousands of libraries. Is it Untied States? 3. Fire destroyed all of