Algebra, help + check please

13,812 results, page 83
  1. English

    I urgently need your help to check these sentences. Thank you. 1) 2) I don't think our school can organize a first meeting so early but I can do my best so that our students will get to know each other very soon. 2) It would be nice if our students could
  2. Business statistics

    Hello, I'm struggling trying to find the answer for b. Do you know the answer and help would greatly be appreciated! A clean air standard required that vehicle exhaust emissions not exceed specified limits for various pollutants. Many states require that
  3. civics

    Jennifer notices there are branches that overhang the roads near her house. when trucks drive by, they hot the branches. she feels that this is a danger to drivers. Her city, however, has a policy of preserving the appearance of canopy roads, or roads
  4. English

    I need your help to check these sentences, Writeacher. Thank you very much in advance. 1) Winston's face is ruddy for the low quality soap and blunt razor blades he uses. 2) His face is ruddy for the use of low ..(Which one is best?) 3) Everything seems
  5. English

    Could you check if the adjectives I chose are appropriate? Thank you. calm/nervous, quick-tempered easygoing/touchy, think-skinned, crabby determined/indecisive easy-going/stand offish nosy(intrusive, prying, snoopy) / indifferent, uncaring, unconcerned,
  6. Cultural Diversity

    Would someone please check these two questins and my answers? 1.An example of ___________can be found in the gradual immersion of early Irish immigrants and their descendants across decades as they become part of and contributed to the middle class
  7. art

    Could you please check my answer please...thank you Which of the following is the best evaluation of the artwork based on the criterion that the piece feature imaginary creatures or things. 1. The artwork is successful because it features a fully clothed
  8. algebra

    find the value of x and y x+y=12 45x+52y=561 a sporting goods store sold right hand and left hand batting gloves.12 were sold in a one month period for $561.right handed gloves are $45 and left handed gloves are $52.how many of each were sold? please show
  9. physics practical investigation

    design and conduct an investion to find out whether the amount of heat(gas) produced will depend on an increase on the concentration of Hcl when Hcl reacts with an excess zn.hint...you may investigate either the amount of heat produced or the amount of gas
  10. English

    1. A doctor is a person who takes care of sick peole. 2. A doctor is a person who is qualified in medicine and treats patients. 3. A doctor is a person whojo job is dealing with sick people. 4. A fashion designer is a person who designs clothes. 5. A
  11. english

    A-the dictionary definition of a word B-making assertions about a group that are too broad C-parts of a presentation that augment the words D-rhetorical devices that rely on faulty reasoning E- the emotional associations a work invokes audiovisual(A)
  12. stat

    Which of the following statements is true about the t-distribution with k degrees of freedom? i. the t-distribution is symmetric ii. the t-distribution with k degrees of freedom has a smaller variance than the t-distribution with k+1 degrees of freedom
  13. Grammar and Composition

    please check my answers: identify the following as a prefix, root word, or suffix. give the meaning for each 1. re : prefix : back, again 2. pathy : root : feeling 3. dis : prefix : opposite of 4. luc : root : light 5. dom : suffix : dignity, office,
  14. English

    Please check this paragraph The title is the first clue that this will be a tall tale. But Lucian’s fantasy explores not only outer space, but also the Elysian Fields, the geography of the Odyssey, and the interior of a giant whale. The title is opposite
  15. Physics (vectors)

    Given vectors A= (Axi + Ayj), B= (Byj+Bzk) and C= (Cyj + Czk). a) find the triple product of these vectors defined by A dot (BxC) in terms of the vector components. I get 0 as the answer. b) is the result found in a) a scalar of a vector? since I had to
  16. English

    Can you please check these sentences about Hamlet? Thank you. 1) Hamlet wonders whether he should make a stand against his sea of troubles or leave things as they are. 2) He believes that both active and passive resistance is bound to meet failure. 3)
  17. English

    Can you please check these few sentences I'm not sure of. Thank you for all. 1)My work day starts at 7.55 a.m. I nearly always have to drive my child to school. It usually takes me ten minutes to get there (OR: It's a ten-minute drive.) After that I drive
  18. Statistics

    In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. Ocean fishing for billfish is very popular in the Cozumel region of Mexico. In
  19. Poem: Annabel Lee by Edgar Allen Poe

    Could you check these answers that go with the poem? Thanks 1. After reading "Annabel Lee," what images linger in your mind. Answer: The images that linger my mind are the kingdom by the sea, her grave by the sea, and the great love the two both shared. 2.
  20. science (check new answer)

    please check my answser .A car driver accelerates to a speed of 35 mph and then takes her foot of the gas pedal.Even though she does not press the brake pedal at any time,she eventually rolls to a stop.which of the following most likely causes the car to
  21. Physics

    Hi I really need this question answer as a check: a helicopter holding a 70 kilogram package suspended from a rope 5.0 meters long accelerates upward at a rate of 5.2 m/s^2. a. Determine tension on the rope. b. When the upward velocity of the helicopter is
  22. tax

    Can someone please check my answer for the following problem. The Smiths wish to refinance their home worth $250,000. They originally paid $130,000 for the home and made $25,000 in improvements. The bank is willing to let the Smith refinance $200,000 with
  23. precalculus

    Can you check my answers? 1.Find the 5th term in the expansion of the binomial. (2x - 4)8 -458,752x3 286,720x4 458,752x3 35,840x4 answer: d 2.Find the 3rd term in the expansion of the binomial. (x - 2y)12 264x10y2 1760x9y3 -264x10y2 -1760x9y3 answer:a
  24. More related rates.

    Heyy, its me again. So last night I asked a related rate question, and I think I still don't get it. I tried it a few differnt ways and I think I'm just missing something...I don't think a speed of a rocket can be 0.018km/hr:S. So heres what happened: A
  25. Chemistry

    The reaction X + Y --> products was studied using the method of initial rates. The initial rate of consumption of X was measured in three different experiments. What is the value of the rate constant, k? *concentrations are in mol/L and initial rates are
  26. Statistics

    Check my answers please! Thanks a lot. Five students reported that the previous night they slept: 7,8,7,10,9 hours. Calculate the sample varience and standard deviation. sample varience = 1346.5 standard deviation = 36.7 Consider this. Ths standard
  27. Economics (inflation)

    Hello! Could someone please check my answers for the first 2 problems and help me out with the 3rd? Thanks! 1. If the CPI in 1863 was 9 and the CPI in 2000 was 171.9, how much has inflation increased (%) since 1863? I used the inflation rate equation and
  28. social studies

    how did the crusades encourage europeans to explore The Crusades took thousands of men from Europe to Turkey, Israel, and other parts of the Middle East. There they learned of different ways of life and exotic products from many other parts of the world.
  29. English

    Can you please check these sentences I'm unsure of? Thank you very much 1)Nature was given great importance. (not "a" great importance) 2) He calls his students little pitchers to be filled with facts. 3) Its inhabitants were affected (or the health of its
  30. MATH

    a crew consists of 1 apprentice, 1 journeyman and 1 master carpenter. The crew receives a check for $5950 for a job. A journeyman makes 300% of what a apprentice makes, and a master makes 150% of what journeyman makes how much do each person on the crew
  31. Spanish for Whitney

    Here's the answer from yesterday: spanish1 homework check - SraJMcGin, Tuesday, September 21, 2010 at 4:58pm 1. son las, etc. To show you how to make accent marks with the computer I need to know 2 things. a) do you have a MAC or a PC and b) do you have
  32. Statistics

    It is known that the amount of time needed to change the oil in a car is normally distributed. A random sample of 100 oil changes yielded a sample mean of 22 minutes and a standard deviation of 5 minutes. Then compared to the interval estimate for the
  33. English

    1. Why is that? 2. What is your reason for that? 3. Why do you think so? 4. What makes you think so? 5. What is your opinion about which person the dog should live with? 6. Let me know your opinion about that. 7. Will you give me your opinion about that?
  34. Math

    Please help check my answers to make sure they are correct. I used the "sinking fund payment and present value of an ordinary annuity" formulas to solve this story problem. Thanks! Story: Naomi Dexter is 20 years old. She decides to investigate several
  35. MATH

    Please help check my answers to make sure they are correct. I used the "sinking fund payment and present value of an ordinary annuity" formulas to solve this story problem. Thanks! Story: Naomi Dexter is 20 years old. She decides to investigate several
  36. English

    Can you please check the following sentences for me? 1)The mirror compares itsself to a lake. A woman bends over it so see what she is really like. The mirror is important to her.She is addicted (?) to it to the point that she's searching for what she
  37. Math

    The average of X numbers is 15. If the sum of the X numbers is 90, what is the value of X? A)5, B)6, C)8, D)15 or E)75 What is the correct answer and how do you set up the equation? The answer is b)6 because if there are 15 average numbers and the sum is
  38. history

    Can someone please help me find a website that explains who the minorities were and what contribution did they and women make in World War I? These sites have some information: http://arcweb.sos.state.or.us/exhibits/war/intro/minority.html
  39. Foreign languages

    Could you please check if these disconnected sentences are possible? Thank you, Writeacher. 1)Italy sided with Germany (aslo allied with Germany) and declared war on the Western Powers. 2) Can I replace Italy with "she"? Example: Italy was invaded by the
  40. English

    Can you please check these last questions. Thank you very much!! 1) What are the most dominant themes in Shakespeare’s Macbeth? 2) How does Shakespeare define True Love in his famous sonnet The Marriage of true Minds? 3) What do the three witches stand
  41. English

    I urgently need you to check these sentences. Thank you. 1) I'm pleased to get to know that the French delegation will be arriving on 26. January. On that day I have got afternoon lessons till 3.15 pm. 2) The school administration office will be opened
  42. physics practical investigation

    design and conduct an investion to find out whether the amount of heat(gas) produced will depend on an increase on the concentration of Hcl when Hcl reacts with an excess zn..guidance/hint...you may investigate either the amount of heat produced or the
  43. Quick english help

    Please check & see if I classified these sentences as simple, complex, or compound correctly! 1. His tie is going to choke him unless we can get it off. (Is this a complex sentence?) 2. She laughed so hard until the teacher told her to stop. (Is this a
  44. 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.
  45. medical claims and billing

    I may be over thinking this but I want to be sure I have it correct before I move on. I noticed another person had previously asked this question but I didn't see any answers or suggestions so I'll go ahead and ask it again. My scenario is as follows:
  46. federal court system/criminal justice

    There is a large round up of gang members, this is a federal case but is being supported by about 50 local officers and state troopers. I need help please, coordinating the informaiton for briefing on the process at the federal court building. The briefing
  47. Language Arts

    9. Choose the type of punctuation that is missing from the following sentence. My best friends new dog wont stop barking. (1 point) (x)apostrophe ()semicolon ()colon ()hyphen 10. Cant you just see the look on his face when he finds out about the party. (1
  48. English

    What should we do to live a healthy life? Let me tell you about what to do for a healthy life. First, we should eat healthy food to stay healthy. It is better to eat brown rice than white rice. Second, we should exercise regularly. I like playing
  49. English

    Could you check if the punctuation is correct? Thank you. 1) Revise last year's summary of the abdridged edition of Daniel Defoe's Robinson Crusoe. (in italics) 2) Read, translate and do the while-reading and post-reading activities of the following
  50. geography

    Can you check my answers please? 1. List the oceans according to size from smallest to largest. Arctic Ocean, Southern Ocean, Indian Ocean, Atlantic Ocean, Pacific Ocean. 2. Name the three states that border Lake Superior. Michigan, Minnesota, and
  51. English

    Tomorrow we have several events. I'd like you to know the schedule of our school. From June 2 through June 4, second year students have a school excursion (trip), which is a kind of study tour. They have a day off on June 5th. So you don't need to go to
  52. English expression

    Is this your mother? Yes, It is. In the short dialogue. "This your" is pronounced as a linking sound just like one word. Look at the short answer. "It is' is pronounced as a linking sound as well. It is pronounced like one word. Repeat after me.
  53. Language Arts

    What is the pattern of stressed and unstressed syllables and how many metric feet are their in the following line? "Under a spreading chestnut tree" My answer is that the pattern of stressed and unstressed syllables is unstressed, stressed and there are 4
  54. English Expressions

    ex) She is an English teacher. English teacher is a compound noun. When we stress the first noun, 'English', it means that she teaches English as a teacher. However, when we stress 'teacher', 'English' is used as an adjective. In this case, 'English
  55. AP Chemistry

    This questions has 5 parts but I already have the answers for a and b. I need help on the last three parts. In an electrolytic cell, a current of 0.250 ampere is passed through a solution of a chloride of iron producing Fe(s) and Cl2(g). a) write the
  56. literature: lord of the flies

    how much has ralph changed since he's had his first assembly? You will need to brainstorm this in two columns: ~one column in which to list characteristics of what Ralph was like at first ~second column in which to list his characteristics as of the end of
  57. Math...Geometry

    Hello, Can someone please tell me if I worked this out correct and ended with the right answer? Thank You... I need to find the area and Height of this right triangle ( only knowing the lengths of its sides)side 6,5,11... Is this correct? sides 6, 5, 11 --
  58. English

    Hi can you check my topic sentences? Antigone and Creon argue as she fights for the gods and he fights for his beliefs, resulting in the division of the city. Despite of the many warnings he receives, Creon’s discounting of prophecy produces destruction
  59. GLOBE ACTIVITY

    What country is located at 28.5 degrees N by 60 degrees E? Check this map for the name of this country.
  60. English

    Please check my answers for the Scarlet Letter if I am right. If not, please help me. Chapter 13 1. The point of the statement in the first paragraph, “The public is despotic… to its generosity” is to a. Argue that the public will eventually see
  61. Physics-ASAP

    A plane has an airspeed of 200 {mph}. The pilot wishes to reach a destination 600 {mi} due east, but a wind is blowing at 50 {mph} in the direction 30 degrees north of east. a)In what direction must the pilot head the plane in order to reach her
  62. Algebra

    Cedric cashed a $125 check at the bank. The teller gave Cedric his money in $5 and $10 bills only. If the teller gave Cedric twice as many $10 bills as $5 bills, how many of each type did cedric receive? Lefkios went to a fast food restaurant for
  63. Social Studies (please check Ms. Sue)

    Please check this. Thanks! 1. After World War II, what type of laws did Congress concentrate on passing? a. civil rights*** b. homeland defense c. international alliances d. taxes 2. Which of the following tactics was NOT used by civil rights groups? a.
  64. chemistry

    A proposed mechanism for a reaction is: (i) A + B2 = AB2 Ea1 = 12 kJ/mol ƒ´H1 = 3 kJ/mol (ii) AB2 + C2 = ABC + BC Ea2 = 30 kJ/mol ƒ´H2 = 5.2 kJ/mol (iii) ABC + B2 = AB2 + BC Ea3 = 10 kJ/mol ƒ´H3 = -7.8 kJ/mol a) Which is the rate determining step?
  65. Chemistry Need help ASAP

    A proposed mechanism for a reaction is: (i) A + B2 = AB2 Ea1 = 12 kJ/mol ƒ´H1 = 3 kJ/mol (ii) AB2 + C2 = ABC + BC Ea2 = 30 kJ/mol ƒ´H2 = 5.2 kJ/mol (iii) ABC + B2 = AB2 + BC Ea3 = 10 kJ/mol ƒ´H3 = -7.8 kJ/mol a) Which is the rate determining step?
  66. Chemistry Need help ASAP

    A proposed mechanism for a reaction is: (i) A + B2 = AB2 Ea1 = 12 kJ/mol ƒ´H1 = 3 kJ/mol (ii) AB2 + C2 = ABC + BC Ea2 = 30 kJ/mol ƒ´H2 = 5.2 kJ/mol (iii) ABC + B2 = AB2 + BC Ea3 = 10 kJ/mol ƒ´H3 = -7.8 kJ/mol a) Which is the rate determining step?
  67. Calculus

    Integrate 1/sinx dx using the identity sinx=2(sin(x/2)cos(x/2)). I rewrote the integral to 1/2 ∫ 1/(sin(x/2)cos(x/2))dx, but I don't know how to continue. Thanks for the help. Calculus - Steve, Tuesday, January 12, 2016 at 12:45am 1/2 ∫
  68. math

    Lucia is hoping that Angela will buy her a geometrically interesting piece of land on which he will build a mansion. Lucia has said that she will only buy the land if it costs less than $4.00 per square foot. The plot shown below is listed for $453,175. Is
  69. English

    1. I have to go to my English academy to learn English from a native speaker. 2. I have to have a group chatting on the smart phone with my close friends. 3. I have to play computer games on-line. 4. I have to complete my social studies homework with
  70. English

    Could you please check these sentences I wrote containing phrasal verbs? Thank you. 1) I'll come with you as soon as I get through with my homework. We'll have to get together and choose a textbook for next year's students. 2) I gave away all me school
  71. English

    Thank you for your last corrections! Can you please check the following summary I prepared on the theme of colonialism in Conrad's "Heart of Darkness"? 1) Conrad presents colonialism not only as a political and an economical enterprise but also as a
  72. Reading

    1. Count' -verb 1. to list numbers sequentially 2. to add up; enumerate 3. to include in a reckoning 4. to deserve consideration, to have merit -noun 5. the act of counting, a calculation 6. the total number resulting from a count 7. Baseball, the number
  73. English

    My Recipe for Making a Salad Ingredients: lettuce, potatoes, cucumber, tomato, cheese, dressing How to make it 1. I rinse some lettuce by running water over it. 2. I drain it in a colander. 3. I also rinse some potatoes and cucumbers. 4. I slice them with
  74. English

    I left out a few more things and a short translation. Can you please check them, too? 1) Four of your students have sent email so far. Can you please send me the individual email addresses of your partecipating students so that we can start the email
  75. Math

    Can anyone check this and see if I'm right? A crafts store bought 27 1/4 ounces of potpourri. The shop divides the potpourri into 2 1/2 ounce bags and sells each bag for $4.25. a. how many full 2 1/2 ounce bag of potpourri can the shop make. b. if all the
  76. General Chemistry

    Answer Check... A 3.00L sample of gas was collected over water at 45 degrees Celsius. The wet gas exerts pressure of 1.50atm. When dried the sample occupies 1.80L and exerts a pressure of 1.77 atm at 80.0 degrees Celsius. What is the vapor pressure of
  77. Computer Architecture

    home / study / engineering / computer science / computer science questions and answers / 4.7 problems in this exercise assume that the logic blocks used to implement a processor’s ... Question: 4.7 Problems in this exercise assume that the logic blocks
  78. English expression

    What sport do you like best? I like rope jumping best. What sports do you like best? I like cricket and dodgeball best. Which sport do you like better, billiards or squash? I like billiards better. Do you play rugby sometimes? Yes, I do. Do you play sports
  79. chemistry

    Precipitation Reactions Write a molecular equation for the precipitation reaction that occurs (if any) when the following solutions are mixed. If no reaction occurs, write NO REACTION. Express your answer as a chemical equation. Identify all of the phases
  80. College Algebra

    Can someone check my answer please! I'm not sure this is right x(squared)+7x+10=0 (x+r)(x+s) =x(squared)+sx+rx+rs =x(squared)+(r+s)x+rs x(squared)+(r+s)x+rs=x(squared)+7x+10 r+s=7 rs=10 (2)(5)=10 and 3+4=7 x(squared)+7x+10=(x+5)(x+2)
  81. English

    I left out a few sentences I urgently need you to check. Thank you. 1) The programme was first broadcast in 2004.(Can you also say: the fist time it was broadcast was...) 2) They lived building homes from the trees and eating the food which was on the
  82. English

    I urgenlty need you to check these sentence. Thank you. 1) I'm emailing you the (required/requested??) information to your school address hoping that your school computer is working now (How do you express tha fact that the computer has broken down?) 2) As
  83. science

    1. As a sample of matter is cooled, which property of its particles increases? (1 point)average kinetic energy pressure buoyancy cohesive forces 2. Kinetic energy is the _____ of motion. (1 point)temperature energy heat state 3. Substances that have a low
  84. Calculus (Help)

    Can you please help me with this problem? I asked earlier, but nobody was able to help me... I've been working on it for about an hour now. A widget factory has fixed costs of 35 billion dollars and variable costs of 781 million dollars per widget. The
  85. geography

    Can you check my answers please? 1. Which continents do not cross the equator? North America, Europe, Australia, and Antarctica 2. What two parallels form the boundaries of the "tropics" or low latitudes? The 23 degree 50 N line and the 23 degree 50 S line
  86. Stress

    Think of a stressful time in your life. How did you deal with the stress. Right down a thoughtful answer. The most stressful time in my life came about when my great grandmother died. I was shattered completely after hearing that news, and so was my
  87. Math

    Robin and Emily are selling boxes of candy bars. Robin sells 36 boxes of candy and Emily sells 24 boxes of candy. Which expression, using the form a(b+c), represents the amount they sold together a. 2(12+24) b. 4(9+6) c. 24 (6 + 36) d. 12 (3 + 2) My answer
  88. Science chemistry

    Also. If you are given the conductivity of an unknown chemical, what the blue and red litmus paper change into when you check the chemical. And the pH level and solution type. How do you know the solution name and formula? I never learned how to find the
  89. math 106

    In this question we will check if a discount is actually a discount. Say you are to borrow $100 for a year at a simple interest rate of 10%. Determine the discount D and the proceeds P for this loan. Next take another look at the situation. You take away P
  90. Science chemistry

    Also. If you are given the conductivity of an unknown chemical, what the blue and red litmus paper change into when you check the chemical. And the pH level and solution type. How do you know the solution name and formula? I never learned how to find the
  91. World Geography

    Hello! Thanks for checking my question out! ____ 3. Which of the following best describes the difference between Western and Eastern cultures? (1 point) a) Western culture is linked to traditionalism while Eastern culture is linked to industrialization. b)
  92. physics

    when an object of mass M1 is hung on a vertical spring and set vertical simple harmonic motion, its frequency is 12 Hz. When another object of mass m2 is hung on the spring along with m1, the frequency of the motion is 4hz. Find the ratio m2/m1 of the
  93. physics

    A mover pushes a couch a distance of 4 m to the top of a ramp into the back of a truck using 500 N of force. A) What is the work input of the mover? B) What is the mover’s power if the task takes 10s? C) If the mass of the couch is 100 kg and the back of
  94. English

    Can you please check my last sentences. I really need to know which expressions are best. Thank you. 1)He studied at Eton college, where misbehaved students used to be beaten. 2) On his return to London he experienced poverty. 3) At the time (not "in this
  95. English

    You forgot to check the grammar in the following sentences yesterday. Thank you. 1) You referred to question number 4 when answering question number 1. Your paragraph is off the subject (or you wandered off the subject?) 2) Express yourself in your own
  96. English

    Thank you very much! Here are the last sentences I need you to check. 1) Could you also email (to my school) a short presentation of your school, explaining which scientific subjects your students learn and if they learn them in English? 2) (I need to
  97. English

    1. At school, I enjoy chatting with my close friends. 2. At school, I enjoy cleaning with other classmates. 3. At school, I enjoy playing soccer in the playground. 4. At school, I enjoy eating cookies at the school shop. 5. At school, I enjoy playing
  98. English

    Thank you very much. Could you please check these other sentences? (word choice, reporting verbs) 1) European law says that animal testing cannot be used for beauty and cleaning products. Those who support animal testing say that it is a necessary evil
  99. MATH/ALGEBRA PLEASE

    Okay, I think I have arrived at all the answer to the questions thrown my way. However, how do I explain what is happening “graphically”, where the services are charging same rate? : Your company must use a transportation service to shuttle their
  100. child daycare man.

    i have these question can you check my answers? 1-Which Of The Following Is An Obstacle To Learning For A Beginning Mover? A)Knowledge of what elements of the movement to focus on b) Chronic indifference characteristic between birth and age three c)