1. Anatomy

    TRUE or False: atrial systole is responsible for "most" of venous return. wouldn't this be false? I was thinking it should say ventricular systole instead, but I'm not sure. Help?

    asked by Jamie on April 28, 2015
  2. Physics

    The frequency of the wave can be changed by changing the frequency at which the waves are generated. True or false My work I think the answer is false

    asked by Hope on November 23, 2014
  3. Science

    True or false A spurt if blodd flowing through arteries makes the arteries CONTRACT? if false what is the correct word?

    asked by Please Help on December 2, 2010
  4. Physics

    True or false?equal masses of two different gases placed in containers of equal volume at equal temperature must exert equal pressures

    asked by John on January 21, 2013
  5. Chemistry

    True or false? Hydrogen bonds between water molecules are comparable in strength to hydrogen-carbon covalent bonds?

    asked by Christina on November 12, 2009
  6. italian

    I suppose this will sound wierd. Is it true that Italy, (if vampires are real) is where vampires were "founded" or in other words the "base" of vampires? what do you think? Do you believe in vampires?

    asked by i♥zee on April 1, 2012
  7. math

    A student claims that to divide a number with the units digit 0 by 10, she just crosses out the 0 to get the answer. She wants to know if this is always true and why and if the 0 has to be the units digit. How do you respond?

    asked by Kali G on September 13, 2014
  8. Math

    Which of the following is TRUE about the line through the points (–1, 4) and (–1, 2)? Please EXPLAIN/SHOW WORK. A. The slope is undefined B. The slope is negative C. The slope is 0 D. The slope is positive

    asked by Carmin on June 24, 2009
  9. PHYSICAL SCIENCE

    DOES MOTION PRODUCE HEAT WE NEED TO ANSWER TRUE OR FALSE ON OUR HOMEWORK IF YOU RUN THAT IS MOTION WHICH MAKES YOU SWEAT THIS IS HEAT???

    asked by claire on April 22, 2008
  10. Maths

    if 0

    asked by T_om on April 11, 2007
  11. statistics

    average commuting distance 10.9 miles which is also the mean of a sample of 300 commuters. Sample sd is 6.2 miles . Estimate the true mean using 99% confidence please.

    asked by peter on November 13, 2013
  12. American Literature

    According to Langston Hughes in "The Negro Artist and the Racial Mountain, what is the "mountain standing in the way of any true Negro art in America"?

    asked by help on February 26, 2012
  13. Math help please

    A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true. Sn:   2 is a factor of n2 + 7n Could you please show your work? I want to know how to solve.

    asked by Hello on March 7, 2016
  14. math

    Given p is false, q is true, and r is false, find the truth value of the statementShow step by step work. Use keyboard shortcuts of --àfor →, < --- > for→, ↔, v for V, and˄For ˄.

    asked by kim on January 9, 2012
  15. Grammar

    Is this true or false? When a the subject of sentence has 2 or more nouns or pronouns connected by “and,” the subject is singular and requires a singular verb.

    asked by Cindy on June 3, 2011
  16. Geometry

    Is this true or false? Two similar hexagons have area 36 square inches and 64 square inches. The ratio of a pair of corresponding sides is 9/16.

    asked by Kaley on May 18, 2010
  17. epic

    A copper penny has a mass of about 4grams. A copper kettle has a mass of about 400 grams. What is true about the density of these two objects?

    asked by lynn on November 20, 2012
  18. Geometry

    Write the if-then statement that follows from the pair of true statements If I go to the movie, then I will stay up late If I stay up late, then I will be tired tomorrow

    asked by Leslie on December 6, 2012
  19. Geometry

    The lengths of the sides of a triangle are 3x, 5x – 12, and x + 20. Find the value of x so that the triangle is isosceles. Can somebody show me a step-by-step process of how to get the answer(s) please? I need it:) I also saw that x could = 8, 10, and 6.

    asked by SkatingDJ on December 9, 2015
  20. Math

    If you can measure the length and width of a rectangle correct within .1cm then the calculateday area will be correct .1cm as well. Is this true or false?

    asked by Erika on November 18, 2016
  21. Math

    The area of a triangle is 4 times the area of the smaller triangle formed by joining the nidpoints of two sides True or false

    asked by Silva on January 15, 2018
  22. Chemistry

    Is this true or false In general, the electronegativiy values of nonmetallic elements are greater than the electronegativity values of mettallic elements. yes

    asked by Dennis on January 3, 2007
  23. Legal

    Under the legal definition of Fructus Industrials is it true that "Minerals in the Soil" would not fall under this? It would in fact, fall under Fructus Naturales?

    asked by Wendy on March 30, 2008
  24. Grammar

    If the word “very” or an adverb that ends in “ly” is part of your compound modifier, you do not use a hyphen in the compound modifier. A) True B) False I answered A:)

    asked by Marie on November 28, 2012
  25. P.E

    During adolescence, your self-esteem may influence you to choose other friends or reject the friends you've had for years? True False Is the answer False?

    asked by Gwen on August 26, 2014
  26. statistics

    On average, a sample of n=100 scores will provide a better estimate of the population mean than would be obtained from a sample of n=50 scores. (True or False)

    asked by Anonymous on July 5, 2011
  27. UOP

    5) In a 95% Confidence Interval, the true mean has what chance of falling between the Lower Limit and Upper Limits of the calculated confidence interval? A. .90 B. 95% C. .05 D. 5%

    asked by Linda on April 13, 2013
  28. Statistics

    A survey of 90 families showed that 40 owned at least one gun. Find the 95% confidence interval of the true proportion of families who own at least one gun. Example

    asked by Jodene on June 17, 2013
  29. science

    To find acceleration, subtract the final velocity from the initial velocity and divide by the time. true false I think this is false...?

    asked by Cassie on March 11, 2013
  30. statistics

    True or False; A good choice for the number of class groups to use in constructing frequency distribution is to have at least 5 but not more than 15 class groups.

    asked by iyra on February 5, 2010
  31. algebra

    When I subsitute 5x+3 into the equation I get x=1/5 and y=2 is this correct? Try plugging in your final values for x and y into both of the original equations. If and only if the equations are true, then your answers are correct.

    asked by Tony on March 21, 2007
  32. Math please

    The HCF of the smallest composite number and the smallest prime number is 1.is this statement is true or false.give reason.please

    asked by Abhishek kumar sahi on August 4, 2011
  33. Algebra

    I'm not getting it. I've tried to re-read the notes but I'm still confused. Label each statement as "true" or "false". If "false" correct the underlined portion. 1) If *|n+9| _ 4 and n +9_60 then *-3

    asked by ANdy on September 29, 2014
  34. Science

    To become more stable an atom that has two electrons in its outer energy level will gain two electrons A.) True B.) False That false correct?

    asked by Megan on December 9, 2016
  35. "The Dream Come True from The Tiger of the Snows"

    "The Dream Comes True from The Tiger of the Snows" by Tenzing Norgay. 1. Why do you think Norgay is so concerned with the "prestige of Everest"? 2. What does he mean by "Everest and the truth"?

    asked by Victoria on August 30, 2014
  36. Statistics

    True or False The mean for a sample of n = 4 scores has a standard error of 5 points. This sample was selected from a population with a standard deviation of ċ = 20.

    asked by Lyndyc on December 13, 2013
  37. Biology

    In this assignment, you will select one of the options that you can compare a cell to and design an analogous development structure. then, you will compare the structure of your development to the organelles of the cell that you have learned about in this

    asked by Reina B. on December 5, 2013
  38. World history/ Latin America

    Check my answers please?? i have a star by my answer. 1. The policy by which strong nations extend their control and influence over weaker territories is called? Socialism Imperialism Populism 2. This theory justified the use of racial, national and

    asked by charlie on January 17, 2016
  39. economics

    Suppose the president is attempting to decide whether the federal gov should spend more research to find a cure for heart disease. How should policy makers determine the amount of money that should be allocated for research curing heart disease? they

    asked by jamma on September 21, 2012
  40. Stats

    A professor believes that all Thursday sections are cursed and will always score lower on tests compared to Monday sections. To tests this he collects samples of test scores from these two sections. For Monday's section, the mean test score was 60, the

    asked by Luis on April 15, 2015
  41. Math

    After sales tax is added the total cost of 58.00 dollars purchade is 61.48 dollars What is the sales tax rate on the purchase? The bill at a restaurant is $59.29. Estimate the amount to leave for a tip of 15% The average snowfall each winter at a ski

    asked by Ryan on March 5, 2013
  42. psychology please revise

    Question How accurately do you think these exercises evaluate self-concept and self-esteem? How do self-concept and self-esteem influence your self-identity? How do self-concept, self-esteem, and self-identity differ? When it comes to accuracy, this

    asked by rose- Ms. sue on May 6, 2008
  43. anatomy physiology/check please

    Muscular dysgenesis or dysgeny is a lethal, recessive, genetic disease of mice that is caused by a mutation in the mdg gene. Skeletal muscles from dysgenic mice are paralyzed and the animals die shortly after birth. You are a research scientist interested

    asked by joseph on April 4, 2013
  44. Algebra

    The ordered pairs represent values for x and y. (1,1) is x =1 and y=1. Substitute these ordered pairs in the equations and evaluate to see if are true. Then, graph the points and line to find another solution.

    asked by Michelle on September 19, 2011
  45. 8th grd chemistry:D

    which of these statements is true about an atom of chromium? (A) has more protons then electrons. (B) has fewer parts than an atom of iron. (C) has an atomic number of 51.996. (D) has more electrons than neutrons.

    asked by HELP ME PLEASE! on April 21, 2010
  46. Chemistry

    given the true molar masses of CuSO4 and H2O how could you find the exact formula of the hydraye from your experimental data. Find the Value of X in the Formula CuSO4x XH2O

    asked by Alex on April 20, 2010
  47. Interpersonal communication

    In interpersonal communication, when two people are talking face to face, the channel is the air (or auditory channel) around them that carries the message. (Points : 1) True False

    asked by Christopher on August 14, 2015
  48. Algebra

    A test consist of 15 multiple choice questions, 12 true-false questions and 10 fill in the bland questions. you got 8 questions wrong. what percent of the answers were correct?

    asked by Kevin on May 9, 2013
  49. Chmeistry

    given the true molar masses of CuSO4 and H2O how could you find the exact formula of the hydraye from your experimental data. Find the Value of X in the Formula CuSO4x XH2O

    asked by Alex on April 20, 2010
  50. trig

    This identity means that translating a basic sine graph 3π/2 units to the right produces a basic cosine graph. True or False? sin(X-(3(pi)/2)) = cosX

    asked by Matt on September 13, 2013
  51. Social Studies

    Which statement is true about Africa? (A) It has 2 large deserts. (B) Most most people live in southwest. (C) Most of the worlds people live their. (D) It is about 3 million square miles in size.

    asked by Emily on October 5, 2008
  52. statistics

    A student takes a 20-question, true/false exam and guessed on each question. Find the probability of passing if the lowest passing grade is 15 correct out of 20.

    asked by Lori on September 26, 2010
  53. Calculus (Limits)

    Let f be defined as follows, where a does not = 0, f(x) = {(x^2 - 2a + a^2) / (x-a), if x does not = a 5, if x = a Which of the following are true about f? I. lim f(x) exists as x approaches a II. f(a) exists III. f(x) is continuous at x = a. A. None B. I,

    asked by Mishaka on October 22, 2011
  54. Math

    To obtain the graph of y=-3sqrt(x+1) from the basic graph y=sqrt(x) the transformations are first a stretch vertically by 3, then a reflection vertically, followed by a shift left of one...true or false?

    asked by Kathy on August 5, 2011
  55. Calculus

    Let f be defined as follows, where a does not = 0, f(x) = {(x^2 - 2a + a^2) / (x-a), if x does not = a 5, if x = a Which of the following are true about f? I. lim f(x) exists as x approaches a II. f(a) exists III. f(x) is continuous at x = a. A. None B. I,

    asked by Mishaka on October 22, 2011
  56. maths

    Given is a quadrilateral ABCD,diagonals AC and BDare such that AO=BO=CO=DO=3cm,where Ois point of intersection of AC and BD then quadrilateral ABCD is a rectangle State true or false with reason

    asked by faizel on January 6, 2013
  57. Physical Science

    Most would expand, greater volume, lesser density. Density= mass/volume What would be true of the densities of most solids and liquids at a temperature higher than the quoted one?

    asked by bobpursley on January 10, 2007
  58. chem (significant figures)

    what are the errors in the measured values g=9.910 m/s^2 amd 9.805? true value 9.797 for 9.910 i got 0.113 and for 9.805 i got 0.008. i know i need for significant figures but i got three in my answer. so what do i do?

    asked by lou on February 7, 2012
  59. Civics

    What must be true of a bill which has become law at a federal level? It must have been signed by the president It must be in the best interest of all Americans It must have passed both the house and the senate*** It must have been introduced into the

    asked by jeje on January 18, 2015
  60. MATH

    a fraction with a denominater in the thousands will always have a decimal form with more decimal places than a fraction with a single-digit denominator. How would I determine if this statement is true or fals?

    asked by DEBBIE on April 14, 2010
  61. math

    Hi, I had a question about exponential functions. If f(x)=ab to the x power, were a does not equal zero, b is greater than 0 and b does not equal one. Therefore if b=1/2, then the graph of the function never crosses the y-axis. What is the answer to this

    asked by Arianna on February 27, 2008
  62. Health

    Power is the key element that will enhance improvement of muscular strength and endurance. True or False My answer is False because I think there are other factors involved in endurance.

    asked by Faye on August 18, 2014
  63. Economics

    Budget deficit is the amount of money the government borrows for one budget (1 year) and national debt is the sum of all government borrowing. A. True**** B. False

    asked by Nirvana ^_^))) on February 12, 2016
  64. horizontal tangent

    f(x) = sqrt(x^2 + 0.0001) At x = 0, which of the statements is true. a)f is increasing b)f is discontinuous c)f has a horizontal tangent d)f' is undefined Answer is c but why? f(x,y) = sqrt(x^2 + y) g(x,y) = df/dx = 1/(2*sqrt[x^2 + y]) * 2x = x/sqrt[x^2 +

    asked by Jen on December 9, 2006
  65. SCIENCE

    The burning of fossil fuels cause the earth to get warmer by putting carbon dioxide in the atmosphere and the carbon dioxide traps heat. MY GUESS: TRUE

    asked by Elena on December 22, 2014
  66. Math

    Given angle theta is bigger than 0 and smaller than 360, determine two possible values of theta where each ration would be true. a) cos theta= 0.6951 b)sin theta= -0.7571

    asked by Emily on December 5, 2010
  67. science

    Please can someone help me with this question? By official definition, true wilderness is a roadless area with roads only built to its edges. Name some specific wilderness areas that fit this definition. Thanks!

    asked by Fred on October 13, 2007
  68. English

    When a the subject of sentence has 2 or more nouns or pronouns connected by “or” or “nor,” the verb must agree with the noun or pronoun that appears closest to the verb in the sentence. Would this be true or false?

    asked by Diane on June 3, 2011
  69. Music

    WHich of the following is true about a harpsichord? A. A harpsichord has a wide range of dynamics? B. It is still widely used today C. it has a very loud or very soft sound D. it creates sound by strings being plucked.

    asked by help plz ;-; on April 23, 2016
  70. civics

    What must be true of a bill which has become law at a federal level? It must have been signed by the president. It must be in the best interest of all Americans. It must have passed both the House and the Senate. It must have been introduced into the

    asked by bcbd on January 3, 2017
  71. English Language

    What is the error in this sentence? "Dr. Smith had argued that the cure for insomnia could be found in the seeds of apples, and although it was not true, he had made money giving lectures." This statement: A. Includes a shift in tense B. Includes a pronoun

    asked by Mishaka on October 27, 2011
  72. statistics

    A recent survey showed that among 675 randomly selected subjects who completed 4 years of college, 138 smoke and 537 do not smoke. Determine a 95% confidence interval for the true proportion of the given population that smokes.

    asked by Richelle on March 30, 2015
  73. Health care please check answer

    Please check my answer thanks you for your help :) You are a Health information mangement professional and you are doing Medicare coding to help you assign reimbursement classifications to episodes of care you would use a fee schedule. True or False I said

    asked by in need of help on March 12, 2008
  74. chemistry

    what do coefficents represent in a balanced equation? What would removing air from a sealed container do to the container? What does it mean that "like dissolves like"? Dissolving a solute in a solvent does what to the solven'ts freezing and boiling

    asked by Miley on June 11, 2008
  75. novel

    "Though I tried to keep my head up, my eyes steady, it was not easy. They looked at me as if I were some loathsome thing. At the same time, the more objections they made, the more determined a I was to prove myself." What might this quote from chapter 13

    asked by Nicole on March 6, 2015
  76. ss

    4. Which of the following was NOT true of the Battle at New Orleans? It was a decisive victory. It signaled a change in strategy for the British. It made future president Andrew Jackson a hero. It was fought after the peace agreement between the Americans

    asked by Anonymous on December 17, 2012
  77. Ms. Sue PLZ HELP!!!(Civics)

    Which of the following is true about new foreign treaties? A.They prevent the formation of alliances with other countries. B.They do not have an effect on the domestic policies of a country. C.People could be worried whether they will affect their jobs and

    asked by Anonymous on May 8, 2015
  78. Social Studies

    Which of the following was NOT true of the Battle of New Orleans? a. It was a decisive victory. b. It signaled a change in strategy for the British. c. It made future president Andrew Jackson a hero.* d. It was fought after the peace agreement between the

    asked by Mary on January 23, 2014
  79. Chemistry

    True or False? 1) Do Nuclear changes generally absorb more energy than chemical changes. 2) In Exothermic reactions, the reactants have more kinetic energy than the products. 3) If one molecule is involved the rate determining step is called first order.

    asked by Christian on July 24, 2010
  80. Medical biling and coding

    can someone please help with this question 16. Which of the following is true about the ICD-10-CM? A. An eighth character was added. B. There are combination diagnosis/symptom codes. C. There are limited injury codes. D. There's additional information

    asked by Tamika on March 13, 2013
  81. Abnormal child psychology

    Which of the following is true regarding late starters A. Deviant behavior is never due to inadequate parental monitoring? B. As a group, they have more deviance than any other group C. They develop aggression only as adults D. There's less research

    asked by Dalia on June 14, 2017
  82. Pre-Calc

    I have one more question I don't understand. It's a multiple choice question. I need to pick which of the following describes the steps involved in using the graph of y=3 cos x+3: a. Stretch the graph vertically by a factor of 3 and shift it to the left 3

    asked by sarah on May 6, 2007
  83. Management

    1. The chance that a society can actually achieve full employment is ________ percent. Select one: A. 1 B. 75 C. 10 D. 0 E. 45 2. Viral marketing can result in ________ when compared to traditional marketing. Select one: A. quicker consumer awareness and

    asked by Maya on October 1, 2016
  84. Management /economics

    I really don't understand some of the questions but i tried my best so my answers are : 1. A 2. E 3. A 4. B 5. E please check and help :) 1. The chance that a society can actually achieve full employment is ________ percent. Select one: A. 1 B. 75 C. 10 D.

    asked by Maya on October 1, 2016
  85. chemistry

    true or false: when water which is used to dissolve glucose is heated from 25 degrees to 80 degrees the solubility of the glucose is increased.

    asked by tonya on August 4, 2010
  86. Physics

    True/false. Light reflected from a glass surface is polarized along the plane perpendicular to the glass surface

    asked by Tiffany on December 16, 2009
  87. Calculus check

    A function f(x) is continuous for all x and has a local minimum at (1,8). Which must be true? A. f'(1)=0 B. f' exists at x=1 C. The graph is concave up at x=1 D. f'(x) is less than 0 if x is less than 1, f'(x) is greater than 0 if x is greater than 1 E.

    asked by Anonymous on March 16, 2015
  88. chemistry

    Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted. True or False?

    asked by Kimberly on April 15, 2013
  89. Chemistry

    Hello everyone I need your help at once. How many grams of CO2 are needed to neutralize a 5 L tank of water with a pH of 11.5? my answer is around 220 grams of CO2. is that true or not?

    asked by Ramtin on April 13, 2014
  90. chemistry

    Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted. True or False?

    asked by Kimberly on April 15, 2013
  91. Math

    A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true. Show your work. Sn:   2 is a factor of n2 + 7n

    asked by Anonymous on March 4, 2016
  92. Math

    True or false, A solution of a system of linear equations is an ordered pair that satisfies one of the equations in the system?

    asked by Megan Ruff on March 2, 2011
  93. computer science

    In form view you can view a forms records but cannot change the layout or design of the form true or false

    asked by Anonymous on September 27, 2013
  94. algebra 1 help

    5) give one solution to the inequality 12x-3x+11

    asked by hips on April 26, 2013
  95. math

    Order -3, 5, 16 and -10 from least to greatest. Then order the same numbers from closest to zero to farthest from zero. Describe how your lists are similar. Would this be true if the numbers were -3, 5, -16, and -10.

    asked by Ali on September 5, 2014
  96. Math

    When you add the same number to both sides of an inequality, is the inequality still true? Explain how you know that your conjecture holds for subtracting the same number.

    asked by Anonymous on October 2, 2017
  97. chemistry

    Given the chemcal equation:2 Ca+O2>2 CaO,if 2 moles of CaO are formed in this reaction,then 2 moles of O2 must have reacted. True or False?

    asked by Kimberly on April 15, 2013
  98. math 8

    Martin graphed the lines for a system of equations. His graph resulted in 2 lines with different slopes. Which of the following is true about this graph?

    asked by rober on July 1, 2011
  99. C++

    True or false: A function call statement transfers control of the program to the last statement in the body of a function.

    asked by Bob on November 8, 2013
  100. calculus

    test the series for convergence or divergence using the alternating series test the sum from n=1 to infinity of (-1)^n/(3n+1) I said it converges, is this true?

    asked by laura on February 29, 2008