1. Chemistry

    If the molar concentration of sodium ions is 0.44 M, then the concentration of sodium sulfate is 0.88 M True or False
  2. geometry

    If arc BC measures 80 degrees, then angle BAC measures 80 degrees true or false?
  3. stats

    if the true proportion of californians who are unemployed is 11%, what is the probability that a sample of 100 californians are unemployed?
  4. math

    the square root of 23 over 3 is equal to a) square root of 3 b)3 c)9 d)12 I found no one poof these answers to be true.
  5. science

    Electrical current generally increases as voltage increases. true false I think it is False..?
  6. Math help

    If y = 3 is a horizontal asymptote of a rational function, which must be true? A) lim x→ 3 f(x) = 0 B) lim x→ 0 f(x) = 3 C) lim x→ ∞ f(x) = 3 D) lim x→ 3 f(x) = ∞ My answer is B
  7. geometry

    Given the following sets, select the statement below that is NOT true. A = {b, l, a, z, e, r}, B = {b, a, l, e}, C = {a, b, l, e}, D = {l, a, b}, E = {a, b, l} (Points : 2) E ⊂ C C ⊆ B D ⊆ C B ⊆ C C ⊆ D
  8. Grade 11 Algebra 2/Trig

    Given : f(x) = x^2 and g(x) = 2^x The inverse of g is a function, but the inverse of f is not a function. Explain why the statement is true.
  9. Math

    A. The cube roots of -27 are 3 B. The fourth roots of 81 are 3 C. 3√-1000=-√1000 D. 4√-16=-4√16 Which of the following statements are true 1. B and C only 2. A, B and C only 3. A,B,C and D 4. Some other combination of A, B, C and D
  10. No one is helping me :/ ??

    If y = 3 is a horizontal asymptote of a rational function, which must be true? lim x→ 3 f(x) = 0 <<my answer lim x→ 0 f(x) = 3 lim x→ ∞ f(x) = 3 lim x→ 3 f(x) = ∞
  11. ms. sue

    ms. sue u please be able to give me title for essay on love. i not want to call it plain true love.
  12. math 2

    let f and g be two functions defined by: f(x)=x+5, with domain all real numbers; g(x)=2x, with all real numbers. which of the following statement are true for f and g?
  13. statistics

    True or false> in a physics class there are 9 juniors and 21 males. Then there must be 30 male juniors in this class.
  14. Algebra

    If 3 is a zero of the polynomial f(x), then which of the following is NOT necessarily true? A. (x – 3) is a factor of the polynomial f(x). B. 3 is a solution of the equation f(x) = 0. C. (3, 0) is an x-intercept for f. D. (0, 3) is a y-intercept for f.
  15. GEOGRAPHY

    how does an underground reservoir work?how can this be true because I thought a reservoir was a lake of water- how can this be underground?
  16. MATHS

    In the values interval [0, 2p] the function f (x) = sin(x) has more periods by the function g (x) = sin(3x). True or False?
  17. world history

    the monroe doctrine was named after president monroe? true or false , false right
  18. microeconomics

    In general, it is true that a more specialization is always better. b less specialization is always better. c specialization imposes costs as well as benefits. d more specialization is always worse.
  19. Algebra 2

    If y=3 is a horizontal asymptote of a rational function, which must be true? lim x→ 3 f(x) = 0 lim x→ 0 f(x) = 3 **my answer lim x→ ∞ f(x) = 3 lim x→ 3 f(x) = ∞
  20. math

    In the year 1950, the total quantity of rice produced in India was two crore five lakh eighty thousand tonnes. In the year 2001, India produced nine crore ten lakh fifty thousand tonnes of rice. In the year 2001, how much more rice was produced in India as
  21. 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
  22. Marketing in a Services Environment

    The convenience of service factory locations and operational schedules assumes little importance when a customer has to be physically present throughout the service delivery or even just to initiate and terminate the transaction. (Points : 1) True False
  23. Graphic Design

    5. Which of the following statements regarding the Gestalt movement is true? A. Context has a great impact on reality. B. Expressive colors replaced traditional earth tones. C. Abstract art was born. D. Reality is given more precedence than perception. 6.
  24. 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
  25. 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.
  26. 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.
  27. physics-ASAP

    a crate on a frictionaless plank inclined at angle theta with respect to the horizontal. Which of the follwing relationships is true? (assume that the x-axis is parallel to the surface of the incline) a)Fy = Fg b)Fx=0 c)Fy=Fx d)none of the above *my answer
  28. Social Studies

    3. Which of the following are true about the system of mercantilism? A. It maintains a favorable balance of trade B. The colony produces materials that the mother country cannot produce C. The prosperity of the country as a whole is more important than the
  29. MICRO ECON

    IS this true or False In a competitive pure exchange economy with two consumers and two goods, if one consumer has perfect complement preferences and the other has perfect substitutes then the contract curve is along the outer edge of the Edgeworth Box.
  30. math

    1. Select all the values of x that will make the following inequality true. 2(3x − 6) ≥ 5x − 10 Chat x = -5 x = 1 x = 0 x = 2 x = 13 x = 7 Please help I've been stuck on this problem for a long time at least just give me 1 example so i
  31. CHEMISTRY HELLPPP!!!!!!

    Water is often instrumental in promoting disproportionation reactions however, it cannot itself disproportionate? IS THIS TRUE OR FALSE????? Water does this "ionization" reaction to a very small extent 3H20 <---> H3O+ + 2OH- This only occurs in 1 in
  32. Marketing in a Services Environment

    The convenience of service factory locations and operational schedules assumes little importance when a customer has to be physically present throughout the service delivery or even just to initiate and terminate the transaction. (Points : 1) True False
  33. world history

    Which of the following is true of the Antarctic Treaty System? A. It bans commercial mining in Antarctica. B. It's actually the Society for the Geographic Exploration of Antarctica. C. It was established specifically to enforce ecological regulations. D.
  34. American Gov

    2. Members of the Senate were originally chosen by the House of Representatives- True? 7. Which of the following does not serve to limit the power of the federal government? a. Tenth Amendment b. voting rights c. state legislators d. Bill of Rights C?
  35. Physics check my answers!

    Check my answers thanks! 1. A diesel automobile outputs ThermE, RadE, ElectE and KinE from an input of a. NuclE b. ChemE c. ElectE d. KinE I think its b Two race cars cross the finish line at exactly the same time but the first car is twice as massive as
  36. AP Calculus

    Can someone check my answers: 1) Use geometry to evaluate 6 int 2 (x) dx where f(x) = { |x|, -2 <= x <= 2} {2, 2 < x <= 4} {-x+4 4 < x <= 6} for my answer I got 0.512 2) R is the first quadrant region enclosed by the x axis, the curve y =
  37. science

    Hi! Please help as soon as possible! This is my science connections academy test that I took but it restarted. I really don't want to do it again! THANK YOU! 1. Box A is hotter than Box B. After the heat is transferred, they become the same temperature.
  38. science

    Hi! Please help as soon as possible! This is my science connections academy test that I took but it restarted. I really don't want to do it again! THANK YOU! 1. Box A is hotter than Box B. After the heat is transferred, they become the same temperature.
  39. Introduction to Business Environment Chapter 2

    The world's population is growing more slowly than expected, and there are some industrial countries in which growth might be so slow that there will be too many old people and too few young people to support them. (Points : 1) True False 2. In a free
  40. Math

    Consider the graph of the parabola ​f(x)equals=x squaredx2. For xgreater than>0 and hgreater than>​0, the secant line through​ (x,f(x)) and ​(xplus+​h,f(x+h)) always has a greater slope than the tangent line at​
  41. physics

    true or false a small plastic ball has an excess negative charge on it. if a magnet is placed close to this ball, it will either attract or repel the ball, depending upon which pole is closer to the ball.
  42. chemistry

    If the freezing point of the solution had been incorrectly read 0.3degrees C lower than the true freezing point, would the calculated molar mass of the solute be too high or too low? Explain.
  43. Management

    If time is running out to finish the operational-planning process before the start of the new fiscal year, it should be cut short with the resolve to start earlier the next year. true or false?
  44. statistics

    when 325 students are randomly selected and surveyed, it is found that 117 own a car. Construct a 99% confidence interval estimate of the true proportion of all college students who own a car.
  45. Bridge Math

    The inequality 10x + 20y > 500 models all of the combinations of scores of 10 and 20 points that will give a total greater than 500 points in a game. What is not true about the values for x and y?
  46. math

    Lee forgot to study for her geography quiz, but she was not too worried because the quiz had only five true-false questions.Suppose she guessed all of the answers.What are the chances that she passed with four or five correct answers?
  47. Social Studies

    Which is not true of both city and county government in Georgia? a. both can collect taxes b. both can become municipalities*** c. both provide public health services d. both provide police and fire services
  48. Trig/Precal

    An airplane flies on a compass heading of 90° at 310 mph. The wind affecting the plane is blowing from 332° at 40 mph. What is the true course and ground speed of the airplane?
  49. statistics

    the true value of the population parameter is marked on each histogram,compare the bias of these estimates,and based on the performance of the three statistics in many samples,which is preferred as an estimate of the parameter?justify your answer.
  50. ACC 205

    The cash balance in a company's general ledger and the bank's balance on the bank statement will generally be different because of the time lag in recording transactions. True or False
  51. Science, Chemistry

    A 1050.0 mL solution of NaOH is neutralized by 0.25 L of 2.00M Nitric Acid using Bromothymol Blue as an indicator. The concentration of the NaOH solution is 0.48M. True or False
  52. TO: SraJMcGin

    The true/false question from yesterday was Atp does not play a role in energy transfer in living things. You said did i mean stp. But it's atp so is the answer false?? Thanks so much for your help god bless!
  53. History

    After the Spanish-American War, the United States fought a much longer and deadlier war in the Philippines in order to subdue the islands for annexation. True False I think false
  54. economics

    True or False 1.Total output may continue to rise even though the marginal physical product (MPP) is decreasing Think about it, then take a shot. Hint: while MPP is decreasing, can it sign still be positive?
  55. American Government

    What statement is true about the legislative branch? A. It is divided into a senate and a house of representatives B. Members are selected for life C. It has no real authority D. It is more powerful than any other branch of government.
  56. ENGLISH

    What does this mean? Can somebody explain what ideological values are in advertising, If you get it pls tell me. Ideological Values Principles, attitudes, beliefs, or ideals which an individual, group, or society holds to be true or important.
  57. Physics

    A converging lens has a virtual object located a finite distance away. Which of the following must be true? (Select all that apply.) a) f > q b) The image is virtual. c) p < 0 d) The image is real. e) p > 0 Hi, can someone explain which is correct
  58. RES342

    In 1000 samples, assuming that the null hypothesis is true, how many times would you expect to commit Type I error if alpha=.05? a. 95 times b. 10 times c. 50 times d. Not enough information given to provide an answer
  59. Chemistry

    Entropy is a thermodynamic quantity that predicts the spontaneity of a reaction. Is this statement always true? Explain your answer with meaningful arguments. I assume the answer is no, but I cannot give a meaningful reason.
  60. Statics

    An automotive engineer wants to use 64 test runs to estimate the true mean tire stopping distance. The standard deviation is assumed to be 32 feet. What is the probability that the error of the estimate will be more than 4 feet?
  61. statistics

    John Davis, a manager of a supermarket, wants to estimate the proportion of customers that will be using food stamps at his store. How large a sample is required to estimate the true proportion to within 3% with 98% confidence?
  62. help please :)

    All of the following statements about reading skills are true EXPECT: A.Different activites require different types of reading. B.It is not always necessary to perform a thorough reading. C.It is best to use skimming when you look for specific information.
  63. Health

    Hair follicles, sweat glands, and sebacesous glands can all be found in the ------ layer of the skin, which is considered to be true skin A. basal B. Dermal C Epidermal D. Subcutaneous My answer is (c )
  64. Statistic/Psychology

    Joe had a score of 72 on the Counseling Aptitude Scale, and the standard error of measurement of the scale is 3. Where would we expect Tom's true score to fall 99.5 percent of the time? a.71 to 73 b. 69 to 75 c. 66 to 78 d. 63 to 81
  65. Statistic/Psychology

    Joe had a score of 72 on the Counseling Aptitude Scale, and the standard error of measurement of the scale is 3. Where would we expect Tom's true score to fall 99.5 percent of the time? a.71 to 73 b. 69 to 75 c. 66 to 78 d. 63 to 81
  66. language

    which statement is a true statement? A) a trapizoid is a regular polygon B) not all rectangels are parallelograms. C)not all parallelograms are rectangles. D) a trapezoid is a parallelogram. dont send me links or anything just help me ~ Kakashi Hatake
  67. 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.
  68. statistics

    10.51 A statistics professor compared the scores of her morning class and afternoon class on the same quiz. The 42 morning students’ average score was 83.52 with a standard deviation of 7.81, while the 46 afternoon students’ average score was 79.44
  69. World History

    Which of the following statements about the provisions of the compromise of 1850 is true? A.The slave trade was abolished in the District of Columbia. B.The principle of popular sovereignty was abandoned C.Fugitive slaves were denied any and all
  70. economics

    Suppose that Congress enacts a lump-sum tax cut of $750 billion. The marginal propensity to consume is equal to .075. Assuming that Ricardian equivalence holds true, what is the effect on equilibrium real GDP? On saving?
  71. American History

    Which of the following statements about the provisions of the Compromise of 1850 is true? A. The principle of popular sovereignty was abandoned. B. The New Mexico Territory was absorbed into Texas. C. Fugitive slaves were denied any and all constitutional
  72. Spanish

    Please check my answers... 1.) "He is playing cards" is said like this: él está jugando a las cartas. 2.) Is this how you say "My friend plays soccer": Mi cuates juega al fútbol. 3.) Is this how you say "they are in a hurry": que tienen prisa. 4.) True
  73. Social Studies

    Which of the following was true of Secretary of State William Henry Seward? A. He annexed the Midway Islands. B. He opposed American imperial expansion. C. He was successful in negotiating a trade deal with the Kingdom of Hawaii. D. He negotiated the
  74. Social studies

    Which of the following are true about railroad expansion in the late 19th century? Choose all that apply A) it led to new managerial forms and techniques*** B)It accelerated the growth of new territories C) It was financed by the government*** D) It grew
  75. Social Studies

    Which of the following was true of Secretary of State William Henry Seward? A. He opposed American imperial expansion. B. He annexed the Midway Islands. C. He negotiated the purchase of Alaska from Canada. D. He was successful in negotiating a trade deal
  76. math

    IS THERE ANYONE OUT THERE THAT MAY BE ALBE TO HELP ME PLEASE! Place absolute value bars in the proper location on the left side of the expression to make the statement true. Jean deposited a check for $625 wrote two for $68.74 and $29.95 and used her debit
  77. English

    1. A __________ is a statement that seems contradictory but that is nevertheless true. A. puzzle B. definition C. tribulation D. paradox is it D 2. In Barbara Ehrenreich’s essay titled “The Cult of Busyness,” the word “acumen” means: A. dull. B.
  78. Social Studies

    Which of the following statements about the provisions of the Compromise of 1850 is true? A. The slave trade was abolished in the District of Columbia. B. The principle of popular sovereignty was abandoned. C. Fugitive slaves were denied any and all
  79. English

    In Catch-22, The Great Loyalty Oath Crusade is one example of The need to show true patriotism in war. The importance of being able to trust companions. The ability of spies to remain hidden despite careful efforts to unmask them. The desire of officers to
  80. Grammar and Composition

    There are some people in this world that you can’t live without, and then there are some other people who you just can’t bear to live with. That second category is the one that I have to deal with all day, everyday. Sure she’s a few years younger
  81. Grammar and Composition

    There are some people in this world that you can’t live without, and then there are some other people who you just can’t bear to live with. That second category is the one that I have to deal with all day, everyday. Sure she’s a few years younger
  82. math

    Percy wrote this equation to represent the total number of books he carried in two bags. 12 = 7 + b ⁢       Which situation could be described by this equation? A. Percy knows he has a total of 12 books. He knows he has 7 books in
  83. 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
  84. Proofread

    From my experience at the elementary school, I have gained insight about what happens inside a first grade classroom, such as the teacher’s responsibilities, and the high demands of attention students require from their teachers. I also learned how this
  85. bio

    T or F? stem cells in the bone marrow can produce more than a dozen types of blood cells, replacing those lost due to normal wear and tear. T or F? only eukaryotic cells undergo true mitosis.
  86. science

    Which of the statements below are true? a) The surface of the sun is over 10,000 degrees F B) The sun is hot enough to heat the earth and give light to the planets c) The sun will continue to burn for at least another 5 billion years d) all of the above
  87. putting it all together

    which one of the following statements is true concerning children and television? a.minimal viewing results in shifts in attitudes b.t.v.is an unrivaled teacher for certain subjects c.t.v. has resulted in minor changes in the habits of children d.t.v. has
  88. Cultural Anthropology 101

    Theocracies are: (Points : 1) 9A)****determined by the religious beliefs of the society. based on the accumulation of wealth by individuals. a group of elected officials. are sanctioned by Big Men. 2. Chiefs within chiefdoms generally gained their
  89. math

    How do you make this this true? 26 = 5 + 3 squared - 6 x 7 22 = 5 + 3 squared - 6 x 7 406 = 5 + 3 squared - 6 x 7
  90. InDesign

    True or False? Text used in InDesign must be created in InDesign.
  91. physical

    Which of the following statements is true concerning physical space in physical education
  92. Algebra

    For all real numbers a and b, 2a • b = a2 + b2 Is this true or false False a=1, b=2=>4=5 false
  93. math

    show that sin ((pi)/(3))+((pi)/(6)) = sin[pi/3] + sin[pi/6] is NOT a true statement.
  94. chemistry

    In a buffer solution, if [Aƒ{] < [HA], which of the following must be true? a. pH < pKa b. pH = pKa c. pH > pKa d. pH < 7.00 e. pH > 7.00
  95. Science pplzzz!!

    Which of the following is true about rocks? Rocks are composed of only one mineral. Rocks do not contain any nonmineral matter. Coal is not considered a true rock. Most rocks are a mixture of minerals. 2. If granite undergoes high temperatures and high
  96. English Please help

    1. Why is there no charity in Mithila? A.) No one in the country is need of it. B.) The poor can collect the cast-off C.) jewelry for money. D.)The wealthy are greedy and do not give to the poor. No one is wealthy enough to give to others. 2. Why does Sita
  97. linguistics

    Question Consider the following sentences: (a) River Song is an archaeologist from the future. (b) River Song has a screwdriver. Based on these two sentences, which of the following is true? A. (a) entails (b) B. (b) entails (a) C. (a) entails (b) and (b)
  98. Physics

    The earth's magnetic field a) is slightly off centre compared to the Earth's rotational axis of rotation b) has its magnetic south pole at the geographic north pole c) attracts the north end of the compass needle to the geographic north pole d) all of the
  99. Calculus, check my answer, please! 1

    Did I get this practice question right? 1. Consider the following functions: f(x)=cos(x^3-x) h(x)=|x-3|^3 g(x)=1n(|x|+3) s(x)=sin^3(x) Which of the following is true? (Points : 1) f is even, h and s are odd. ***f and g are even, s is odd. h and s are odd,
  100. 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