1. math

    hello, I am to calculate a model length of a boat and a car. The boat's true length is 17 feet and the car's true length is 20 feet. The model will be on a 1:16 scale. Could you tell me how I get started with this please?
  2. World Geography

    1. What is the difference between race and ethnicity? A. Ethnicity is related to culture; race is related to biological ancestry. *** B. Ethnicity is determined scientifically; race is not C. People of the same ethnicity always share the same religion;
  3. English essay

    I am not very good at writing essays and I am having trouble with my first paragraph of a persuasive essay on smoking. Could you please give me feedback on what i could fix to make it better? thank you! We’ve all seen them, the person that is smoking in
  4. Math

    1. Is the equation true, false, or open? 5x+2=6x+11 a. Open; there is a variable b. True; the expressions are the same for all values of the variables c. False; the expressions are never the same 2. Which equation is an identity? a. 8-(5x+2)=-5x-6 b.
  5. psychology

    WILL YOU EXPLAIN WHAT I NEED TO DO OR GIVE ME SOME IDEAS Annie is a fifth grader in Mr. Baer's class and has been quiet and sullen for several days in a row. Mr. Baer has asked you, his educational assistant, to check in with Annie to see what is troubling
  6. chemistry

    Identify the true statement(s) regarding the entropy of chemical substances. a. All pure substances have a positive entropy at room temperature. b. The dissolution of an ionic salt in water usually leads to an increase in entropy of the system (salt +
  7. physics

    In a hydraulic piston, the small piston has a diameter of 2cm and the large piston has a diameter of 6m. How much more force can the larger piston exert compared with the force applied to the smaller piston?
  8. Math = graphing

    my daughter has to make a graph to show the number of deaths in 1593 as compared to the number of those deaths caused by the bubonic plague. The months are given (March through December) with the total of each during each month. She is unsure as to what to
  9. physics

    1. If the period of a wave is 0.27s, how many waves would pass by in 1.0 minute? 2. When a wave from of light passes through an opening that's large compared to its wavelength, it: a) behaves as a single new point source b) produces a straight wave front,
  10. physiology

    Given a Helium-Neon laser-based fiber optic Doppler probe at an angle of 60¡C with a blood vessel that registers a frequency shift of 63KHz, what is the velocity of the blood? Is this a reasonable number from a physiologic point of view when compared to
  11. computers

    What overriding philosophy of the Windows 8 operating system makes it unique compared to earlier Microsoft operating systems? A. It is a universal operating system for all types of devices. B. It can host both 32- and 64-bit applications. C. Up to 192
  12. History help

    1. The U.S. Supreme Court Decision in Plessy v. Ferguson said that Louisiana's Separate-But-Equal laws were unconstitutional. True False 2. Redeemer Democrats were often called Bourbons. True False 3. What term describes the Louisiana Bourbons? Enlightened
  13. child care development

    I have two questions that I need checked. Toddlers are incapable of sharing, even for short periods of time. (true or false) I chose false Secondly,tummy time is a supervised timewhile the infant is awake, during which the infant is ladi on his or her
  14. Chemistry

    Hey guys I was wondering if you guys know the answer to this: Which of the following is NOT true of colligative properties? Colligative properties are... A. independent of the chemical identity of the solute. B. responsible for lowering the vapor pressure
  15. Fib. Number

    I noticed someone else is having problems with the same problem below that I am. Since I have a Matt in my class he is having the same problem I am and could use some help. Fib. numbers are not in my math book and I cannot find any help online with these
  16. statistics

    Downs and Abwender (2002) found neurological deficits in soccer players who are routinely hit on the head with soccer balls compared to swimmers, who are also athletes but who are not regularly hit in the head. Is this an example of an experimental or a
  17. math

    what's the quadratic form of 1/4(x+3)^2-4 I need it to find the intercepts of the parabola it describes. Check: I think the parabola is 1/4 scaled, moved 3 to the left and down 4 compared to a y=x^2 parabola. Is this ok? If you are looking for the
  18. Ms. Sue PLZ HELP!!!(Civics)

    Assume the Chilean peso is decreasing in exchange value compared to the U.S. dollar. Who will benefit most in this situation? A Chilean company that imports oil from Venezuela A Chilean family visiting relatives in the United States A Chilean exporter who
  19. intro to computers

    what overriding philosophy of the windows 8operating system makes it unique compared to earlier Microsoft operating systems? a.it is a universal operating system for all types of devices? b.it can host both 32-and 64- bit applications c.up to 192 users can
  20. Language Arts

    A Surprising Point of View: A Television Play in Two Acts Characters: (in order of appearance) 1. JASON: a boy of about 14. He is a student in Ms. Smith’s English class. He regularly misbehaves in order to get attention, and he doesn’t apply himself to
  21. history

    Check my answers please? The Second Great Awakening was a conservative reaction to deism, the expanding frontier, & the industrial revolution. True, it was definitely a reaction to the IR & deism The romantic reaction to rationalism & the industrial
  22. Statistics

    Are these questions below true or false? I am stuck. I think 1 is true and 3 is false 1. In Regression Analysis if the variance of the error term is constant, we call it the Homoscedasticity property. 2. In simple linear regression analysis, if the error
  23. English

    When submitting a final draft of a handwritten paper, which of the following choices is important to remember? A. The margins should be exactly even on left and right sides B. Write neatly and use black or blue ink C. Use a plain font, like Times New Roman
  24. Science

    When water is electrolyzed, two gases ar produced. As indicated in the chemical equation, twice the volume of one gas is produced compared to the other. a) Which gas is produced in larger quantities? Explain * I think it's hydrogen, but i am not sure why
  25. chemistry

    using leChatlier's principle, which of following is more or less soluble in following solutions than in pure water. and explaination for each asked for. Compared to pure water are they less, more or same? thanks. AgBr in 0.100M HBr AgBr IN 0.100 m HNO3
  26. science

    is addiction a disease? I need to write a response paper on this. Based on the definitions of addiction and disease I proposed that addiction is a disease, but I need more things to back me up as the paper needs to be 2 pages. I've compared it to heart
  27. astronomy

    A body has four times the mass of the Earth but its radius is two times larger. What is the acceleration of gravity on the surface of this planet? If you were on this planet, should you be able to jump (on average) farther distances, shorter distances or
  28. math

    The length of the tropical year us 365.24220 days, as compared to the length of 365.2425 days used by the Gregorian calendar. How many years will it take for this difference to amount to 8 days? Round to the nearest year.
  29. math

    The length of the tropical year us 365.24220 days, as compared to the length of 365.2425 days used by the Gregorian calendar. How many years will it take for this difference to amount to 8 days? Round to the nearest year.
  30. ap physics

    A 650N man jumps out of a window into a fire net 8m below. The net stretches 1.5m before bringing the man to rest and tossing him back into the air. What is the maximum potential energy of the net compared to its unstretched potential energy?
  31. Science

    Could you please help me. When water is electrolyzed, two gases ar produced. As indicated in the chemical equation, twice the volume of one gas is produced compared to the other. a) Which gas is produced in larger quantities? Explain * I think it's
  32. english

    is this a good introduction What is it about America that people from different countries want to come here even if it means illegally? Maybe it’s because America is the” land of the free”, according to Key S. (1814), The national anthem. Truly the
  33. Anatomy & Physiology

    When comparing the daily requirements for vitamins and minerals across all life stage groups, it can be said that A. infants require more vitamin C than children B. lactating woman require ore folate than pregnate woman C. more iron is required by teen
  34. Social Studies

    Part 3: Write. 1. Write a persuasive argument explaining why you think this innovation is the most important development of ancient China. 2. Your argument should include the following: a. Begin with an opening sentence, introducing your argument. b. Add
  35. please check see if im correct

    A cereal manufacturer claims to include 18.7 ounces of cereal in each box, with a standard deviation of 0.2 ounces. A random sample of 25 boxes shows an average of 18.5 ounces. Which of the following statements is correct? A. The claim is likely untrue,
  36. chemistry

    1. Need help Assigning oxidation numbers. Is it true that wehn looking at atoms in compounds from group 1 or 2 they are given the oxidization number which is the same as there charge example NaCl Na has an oxidization number of 1? But is this also true for
  37. College History

    I have quite a few that I couldn't figure out on my assignment. 1) The leading symbol of reforming state governments in rhe early 1900's was A) Theodore Roosevelt B) Woodrow Wilson C) Robert La Follette D) Upton Sinclair 2) Wilson's first dealings with
  38. English

    Which one of the following statements about writing business letters is True? a. If you forget one of the crucial points of your letter, provide the information in a postscript. b. "Respectfully yours" is usually the most appropriate complimentary close
  39. Spanish 1

    69. -"¿Adónde van Felipe e Isabel?" -"_____." a. Van al parque b. Vas el centro c. Va a la piscina d. Vamos a la clase de español Not sure.. 70. -"Voy contigo." -"______!Genial!" a. ¿Conmigo? b. ¿Con Margarita? c. ¿Con mi amiga? d. !Qué lástima! A?
  40. Spanish 1

    69. -"¿Adónde van Felipe e Isabel?" -"_____." a. Van al parque b. Vas el centro c. Va a la piscina d. Vamos a la clase de español Not sure.. 70. -"Voy contigo." -"______!Genial!" a. ¿Conmigo? b. ¿Con Margarita? c. ¿Con mi amiga? d. !Qué lástima! A?
  41. Chemistry

    I have been researching, but I find no reliable sources. I want to check with you if these are true.... Are we actually not touching the ground due to the repulsion of the electron clouds between our feet and the ground? Same with the clothes we wear and
  42. math 6 algebra

    Mikayla wrote the equation below to calculate y, the total amount of money in dollars she will have saved after she has been saving for x weeks. y = 6x + 80 How much more money will Mikayla have saved after 8 weeks compared to 5 weeks? $8 $18 $98 $128 How
  43. Social Studies

    The decades around the year 50 B.C. saw the end of the Roman Republic and the rise of the Roman Empire. What factors led to the decline of the Roman Republic? Do you think there was any way for the republic to be preserved? What are the disadvantages of an
  44. Psychology

    Is my answer correct I said the correct answer is D Regarding cultural differences in self-esteem, which of the following statements is/are TRUE? a. People from Eastern cultures are more likely to engage in self-criticism. b. The self-esteem for people
  45. business

    1. Which way of asking for action carries the highest level of politeness? (Points: 5) A polite order An indirect request A question (*) An order 2. Which of the following statements most effectively applies the you-attitude? (Points: 5) "We began
  46. business

    1. Which way of asking for action carries the highest level of politeness? (Points: 5) A polite order An indirect request A question (*) An order 2. Which of the following statements most effectively applies the you-attitude? (Points: 5) "We began
  47. business

    1. Which way of asking for action carries the highest level of politeness? (Points: 5) A polite order An indirect request A question (*) An order 2. Which of the following statements most effectively applies the you-attitude? (Points: 5) "We began
  48. English

    Could anyone suggest a food that could go in Room 101. Room 101 is a room where you put all the foods you hate. I have been assigned to write a persuasive text on why i want this food to be put in room 101 and why. Kindly suggest a food that people
  49. phyiscs!

    Having landed on a newly discovered planet, an astronaut sets up a simple pendulum of length 1.51 m and finds that it makes 291 complete oscillations in 697 s. The amplitude of the oscillations is very small compared to the pendulum’s length. What is the
  50. Physics

    Having landed on a newly discovered planet, an astronaut sets up a simple pendulum of length 1.29 m and finds that it makes 407 complete oscillations in 698 s. The amplitude of the oscillations is very small compared to the pendulum’s length. What is the
  51. Math

    Sara was mixing punch for a party from a recipe that calls for 3 parts ginger ale mixed with 2 parts pineapple juice. She graphed the people served compared to the total mixture. Use the point shown on her graph to compute the ginger ale need to serve 20
  52. Statistics

    True or False Question: A die is rolled 600 times. The face with six spots appears 112 times. Is the die biased towards that face, or is this just chance variation? Answer the question in Problem 6. 6) “The test concludes that the die is biased
  53. English

    Decide which of the two reasons offered in each instance will be more persuasive to the specified audience.Write out the implied warrant for each "because" clause and explain whether the specific audience will likely grant it or not. 1)Audience:people who
  54. Science

    Compared with the strength of Earth's gravity at its surface, how much weaker is gravity at a distance of 10 Earth radii from Earth's center? At 20 Earth radii?
  55. French

    Hey, could somebody please proof read my speaking answers? I didn't know some phrases, so I've just put the english in bold with stars around it. Comment s’appelle votre entreprise? / C’est quelle sorte d’entreprise? Notre entreprise s’appelle
  56. Biology

    Which of the following would differ if you compared the sam reaction taking place with and without an enzyme? a. the chemical energy of the reactants**** b. the chemical energy of the products c. the energy required to start the reaction d. the overall
  57. Math

    Mikayla wrote the equation below to calculate y, the total amount of money in dollars she will have saved after she has been saving for x weeks. y = 6x + 80 How much more money will Mikayla have saved after 8 weeks compared to 5 weeks? $8 $18 $98 $128
  58. SCIENCE

    1. Which of the following is an example of an environmental pressure? (1 point) the air pressure in the atmosphere a lake that is gradually running out of water a fight between two members of the same species breeding between two members of the same
  59. Science- Earth and its History

    What can scientists learn from the rate at which radioactive elements decay? A. a rock's absolute age* B. the relative age of rock layers C. where one soil horizon ends and the next begins D. the difference between molds and casts. After six half-lives,
  60. social studies

    Given a Helium-Neon laser-based fiber optic Doppler probe at an angle of 60¡C with a blood vessel that registers a frequency shift of 63KHz, what is the velocity of the blood? Is this a reasonable number from a physiologic point of view when compared to
  61. Astronomy

    Some quasars (quasi-stellar radio source) have the largest red shifts ever observed. If this phenomenon is due to cosmic expansion, what can you say about their distance? When the light we now see left the quasar, how long had the quasar existed compared
  62. physiology

    I have some questions related to diabetes. Im just wondering if someone's fasting glucose level could be different if they have Type I diabetes compared to Type II diabetes, or would they be similar? Also, if a drug for treating Type II diabetes supressed
  63. Accounting-- any comments please

    If someone can at least write up one comment for one of the posts based on what the teacher wants so I can use that as an example to write the other and for future posts, that would be greatly appreciated. I tend to only earn Bs because of my lack of
  64. Math

    When you solve the system shown by the elimination method, which statement is true? y + 3x = 10 −y − 3x = 10 A. You eliminate y; the sum of the coefficients of y is zero. Then, you can solve for x. B. There is no solution; x and y are
  65. Pre-Algebra

    Three individuals form a partnership and agree to divide the profits equally. X invests $9,000, Y invests $7,000, Z invests $4,000. If the profits are $4,800, how much less does x receive compared to having the profits divided in proportion to the amounts
  66. BIOLOGY

    True of false: 1. The Bohr effect explains the manner in which pH changes the binding affinity of hemoglobin for O2. i think this is true 2. Hemoglobin binding affinity increases as Po2 increases. im not sure about this 3. O2 will passively diffuse and
  67. English Literature: Macbeth

    true or false:? 1) lady macbeth goes mad and during the sleepwalking scene confesses her crimes. 2) macbeth has had no joy in his kingship. 3)The doctor says that given enough time, he can cure Lady Macbeth of her illness. 4) When Macbeth learns of his
  68. accounting

    Martin is married, but did not live with or have contact with his spouse in 2017. He does not know where she is. He indicated on the intake sheet that he is not legally separated. • Martin does not have children or any other dependents. • Martin worked
  69. math

    1. The opposite of -4 is... a. 4 b. -4 c. -(-(-4)) d. -|4| 2. The opposite of -10 is... a. 10 b. -10 c. -(-(-10)) d. -|10| 3. Which symbol is used to make -5 ? -8 true? a. > b. < c. = 4. Which symbol is used to make -6 ? -|8| true? a. > b. < c.
  70. Math

    which symbol is used to make -6 ? |-8| a true statement? >* < = which symbol is used to make -5 ? -8 a true statement? > <* =
  71. AE

    Educational Debate Persuasive Paper My topic is ***** Should Teachers Have the Authority to Remove Disruptive Students from Their Classes Permanently? **** Paper should be 1,750-2,100 words long What are some good ideas to put in my paper? This is what I
  72. Social Studies

    What factors may contribute to the differences in GDP per capita in the areas of the world in places like Europe which is high compared to Africa which is low? I know that the United States and Europe are more technologically advanced than Africa. I also
  73. Statistics

    A research article reports the results of a drug test. This medicine used to reduce vision loss in people suffering from macular degeneration. The article state p = 0,04 section findings. The following issues are of three different interpretations of this
  74. Math

    On a true-false test, each question has exactly one correct answer: true, or false. A student knows the correct answer to 70% of the questions on the test. Each of the remaining answers she guesses at random, independently of all other answers. After the
  75. Math

    Morgan rolls a number cube, twice. If the number 1 shows up at least once, Morgan wins. Otherwise, Jaclyn wins. How much greater is the probability that Morgan will win compared to Jaclyn winning? A)1/3 B)7/18 C)4/9 D)2/3
  76. Physics -- check answers please (new)

    1. Which of the following best shows the transfer of heat by radiation? a) the hot sand in very painful to step on with bare feet b)the soup pot boils from the bottom towards the top c)the wood stove is painted a flat black colour for maximum heating
  77. English

    I need to improve the objectives I wrote for my Comenius project. Can you please help me? They must be persuasive. 1)to increase the students’ general knowledge and understanding of concepts, procedures and attitudes by involving them actively and
  78. American Government

    Hi, I need some help with a couple government questions. 1. State governments could print their own paper money under the articles of confederation. True or False **my answer=true 2. Which of the following explains changes that happened in U.S. foreign
  79. Spanish7th grade-Please check

    Could you please check these two answers: 1.Fill in the blank with what would logically follow: primero,_______ I think it is segundo, correct? 2.Fill in blank with what would logically follow: tercero_________ I think it is cuarto, correct? 3. In a
  80. Science

    Lack of oxygen in a pond may be a limiting factor. True or False? Please reply ASAP, thanks Lack of oxygen in a pond may be a limiting factor. True or False? Please reply ASAP, thanks Please only post your questions once. Repeating posts will not get a
  81. Chemistry

    Can someone please help me determine if these questions are correct. If there not can you point me in the rightdirection...please...please...and thank you! 1. Compared to the particles of a gas, the particles of a liquid a. Are not in constant motion b.
  82. REPOSTHealth PLEASE CHECK ANSWERS

    1. According to the National Clearing House for Alcohol and Drug Information (NCADI), most children under the age of _____ , who do not participate in drug and alcohol abuse, is virtually certain to never do so. 20 21**** 23 19 2. The average age when
  83. chemistry

    When compared to compound B, compound A has lower melting and boiling points and vaporizes more readily. Is compound A an ionic compound or a molecular compound? A. Ionic B. Molecular I say B
  84. Chemistry (Check)

    True or False The empirical formula of a compound is always the same as the molecular compound. My Answear: True The empirical formula for acetylene is CH. The molecular formula is C2H2. Another example: The empirical formula for glucose is CH2O. The
  85. engineer

    If you possess a recognized diploma in marine engineering, will working onboard a ship as a marine engineer a better choice compared to working at shipyards or on land as a sales engineer in term of salary, freedom, risk, nature of job and area of job
  86. Geargia State History (Social Studies)

    2. Officials whose jobs are not provided for in the constitution but are required by law are known as __________. A. Constitutional Officers B Secretaries Of State C. Deputies D. Statutory Officials 5. True False: The state supreme court is an appellate
  87. Physics

    1. A cylinder has a charge Q placed on it; the charge is distributed uniformly throughout the cylinder. If we examine the electric field E outside of the cylinder, which of the following is true? Assume that r represents the distance from the central axis
  88. mila

    Determine the time it takes for a satellite to orbit the Saturn in a circular "near-Saturn" orbit. A "near-Saturn" orbit is at a height above the surface of the Saturn that is very small compared to the radius of the Saturn. [Hint: You may take the
  89. physic

    Determine the time it takes for a satellite to orbit the Saturn in a circular "near-Saturn" orbit. A "near-Saturn" orbit is at a height above the surface of the Saturn that is very small compared to the radius of the Saturn. [Hint: You may take the
  90. Chemistry

    Five mineral samples of equal mass of calcite, CaCO3 (MM 100.085) , had a total mass of 12.4 ± 0.1 g. What is the average mass of calcium in each sample? (Assume that the relative uncertainties in atomic mass are small compared the uncertainty of the
  91. Tax question.

    Joe age 24 single amd not claimed as a dependent. In 2011 his only income Was 5,000 of unemployment and he had 500 of net income from mowing lawns. Joe must file a 2011 tax return. True or false I'm unsure because you I don't know if he has to file because
  92. math

    Ex 3: 4x-7<2x+5 4x-7-2x<2x-2x+5 2x-7<5 2x-7+7<5+7 2x<12 2x/2<12/2 x< 6 Note I did not switch the order of the inequality here since I divided by a positive number. Multiplying or dividing by a positive number does not change the order
  93. Chemistry (Check)

    True or False? In a structural formula a shared pair of electrons is represented by two dashes. Is this True? Fill in the blank Structural formulas show the arrangement of____________ in molecules. is it electrons? A shared pair is represented by two dots.
  94. Chemistry

    Another student determined the concentration of a vinegar solution to be 0.240 mol/L. If the accepted value for the concentration of the vinegar is 0.250 mol/L, the student's percentage erreo is A. 1.00% B. 1.24% C. 2.40 % D. 4.00% D. because the
  95. Federal Employees Union Question--Please Help

    With respect to the powers of a federal employees union,which statement is True? 1. It can bargain to obtain better pay and benefits for employees. 2. It cannot lobby Congress for personnel policy changes. 3. It can overrule the decisions of the Office of
  96. statics

    If a court acquits every defendant, they will never commit a Type I error. A) True B) False 2. The probability of rejecting a true null hypothesis increases as the sample size increases. A) True B) False 3. For a given level of significance, the critical
  97. U.S. History (Check) (Reed)

    1. When the Vietnam War ended... a) Many Americans wanted to return and win b) Many Vietnamese wanted to leave the county for the safety of America c) Many people still trusted the government and its decisions A: b? 2. Roughly how many soldiers were killed
  98. ESSAY

    I wrote this essay, i would like to know if is Ok. Thanks Nowadays, Travelling is the kind of activity, which almost all the people love. For some people it is an opportunity to relax and abstract from everyday busy life. For others it is interesting to
  99. Chemistry

    True and False... 1. A thermodynamically favorable reaction also proceeds spontaneously. I think that it is false? 2. Doubling the concentration of a reactant always causes the reaction rate to double. 3. a reaction that has a large activation energy in
  100. DRAMA

    1. "The best in this kind are but shadows" is A. Titania talking about men. B. Theseus talking about plays. C. Demetrius talking about the women he has loved in the past. D. Bottom talking about his fellow craftsmen. 2. One difference between tragedy and