Popular questions and responses by Lynn
  1. English

    All these sentences look right to me. Which is incorrect? Identify the incorrect sentence. A. The jury has been deliberating for the past three hours. B. Members of the jury have been deliberating for the past three hours. C. The jury is arguing over the

    asked on July 23, 2015
  2. US government

    Which of the following is NOT considered illegal discrimination? I think this is D. Can you please confirm? A. Setting different ages at which men and women legally become adults. B. Barring women from jobs by arbitrary height and weight requirements.b. C.

    asked on February 15, 2019
  3. economics

    Think about how each scenario would affect the price of khaki pants. a.A new technology reduces the time it takes to make a pair of khaki pants. b.The price of the cloth used to make khaki pants falls. c.The wage rate paid to garment workers increases.

    asked on October 18, 2015
  4. Chemistry

    What is the Pb2+ concentration in a saturated solution of PbCl2 if the concentration of chloride ion is 0.023 M? Units: M ksp = 1.72x10^-5 i can't seem to get the answer. i have tried and ICE diagram and going from there: PbCl2 (s) Pb ^2+ = 2Cl- I: 0.023 M

    asked on April 3, 2017
  5. Statistics

    If np ≥ 5 and nq ≥ 5, estimate P (fewer than 4) with n = 13 and p = 0.5 by using the normal distribution as an approximation to the binomial distribution; if np < 5 or nq

    asked on May 17, 2015
  6. Stats

    What is the minimal sample size needed for a 99% confidence interval to have a maximal margin of error of 0.06 if there is no preliminary estimate for p?

    asked on July 8, 2012
  7. Math

    In a volleyball a player on one team spikes the ball over the net when the ball is 10 ft above court. The spike drives the ball downward with initial vertical velocity of -55 feet per second. Players on the opposing team must hit the ball back over the net

    asked on November 18, 2011
  8. US government

    Which of the following organized interests was NOT part of the original process of bargaining during the 1920s through the 1950s? I think it's E. Is this right please? A. business B. labor C. professional groups D. environmentalists E. farming

    asked on February 15, 2019
  9. Calculus

    "Three hundred books sell for $40 each, resulting in a revenue of $12,000. For each $5 increase in price, 25 fewer books are sold. Write revenue R as a function of the number x of $5 increases." How would you get this problem started?

    asked on September 8, 2014
  10. Chemistry

    Which of the following substances are likely to be soluble in water? A)ZnS b)Au2(CO3)3 C )PbCL2 d) MnO2

    asked on October 23, 2012
  11. Chem

    How many lone pairs of electrons are on the central atom in the water molecule

    asked on April 8, 2010
  12. poetry

    I need to know what format is being used in this poem: Canadian Angels Angels of the House, Angels of Mercy- yes, they've called women that. But these are Angels of Ice,Hard-muscled, sharp, dangerous as winter's cold. How else do you explain their speed,

    asked on October 5, 2013
  13. Physics

    In Larry Niven’s science fiction novel Ringworld, a ring of material of radius 1.54 × 1011 m rotates about a star with a rotational speed of 1.5 × 106 m/s. The inhabitants of this ring world experience a normal contact force ~n. Acting alone, this

    asked on July 9, 2013
  14. Maths

    A ball is dropped from a height of 80ft.The elasticity of this ball is such that it rebounds three-fourths of the distance it has fallen. How high does the ball rebound on the fifth bounce? Find a formula for the height the ball rebounds on the nth bounce?

    asked on July 7, 2015
  15. HELP!! Statistics!

    The accompanying data table lists measured voltage amounts supplied directly to a family’s home. The power supply company states that it has a target power supply of 120 volts. Using these home voltage amounts, test the claim that the mean is 120 volts.

    asked on June 3, 2015
  16. Physics-Please help

    R1= 10 ohm R2= 20 ohm R3= 50 ohm R4= ??? R1, R2, R3 and R4 are connected in parallel across a 120 V "power" supply to generate a current of 21 Amps. The value of R4 is most nearly _____ ohms. 0, 5, 10, 16, 100, 200, 300 I think 5 ohms, but I'm not

    asked on February 5, 2011
  17. Math

    A wildlife biologist in Nova Scotia is testing the pH of stream water. She hopes that the pH of the water is greater than 5.5 so that Atlantic Salmon returning this year to their natal streams will be able to reproduce. The hydrogen ion concentration of

    asked on July 24, 2008
  18. Maths

    Find the first four terms in the binomial expansion of (1+x)^(1/5) and state the range of values of x for which this expansion is valid.Hence approximate (31)^(1/5) correct to four decimal places.

    asked on July 7, 2015
  19. Statistics HELP!

    Use a normal approximation to find the probability of the indicated number of voters. In this case assume that 119 eligible voters aged 18-24 are randomly selected. Suppose a previous study showed that among eligible voters aged 18-24, 22% of them voted.

    asked on May 18, 2015
  20. chemistry

    Which of the following solutions will not form a precipitate when added to 0.10M NaOH? a)0.10 M MgBr2 b) 0.10 M NH4Br c) 0.10 M FeCL2

    asked on October 23, 2012
  21. chemistry

    Which of the following solutions will not form a precipitate when added to 0.10M NaOH? a) 0.10 M MgBr2 b) 0.10 M NH4Br c) 0.10 M FeCL2

    asked on October 23, 2012
  22. US History

    One notable difference between the passage of Medicare (1965) and the Patient Protection and Affordable Care Act (2010) was the lack of ______. A. bipartisan support for the 2010 Act B. bipartisan support for the 1965 Act C. media coverage given to the

    asked on December 12, 2018
  23. Algebra

    A line has slope -5/3. Through which two points could this line pass? A: (12,13), (17,10) B: (16,15), (13,10)*** C: (0,7), (3,10) D: (11,13), (8,18)*** My Explanation: I know how to use the formula for slope, which is y2 -y1 over x2 - y2, so I know how to

    asked on December 8, 2016
  24. Chemistry

    Balance the following half-reactions: (a) (acidic) VO2+ (aq) -------V3+ (aq) (b) (basic Ni(OH)2 (s)--------Ni2O3 (s) (c) (acidic) NO3- (aq)-------NO2 (aq) (d) (basic) Br2 (aq)----------BrO3- (aq)

    asked on October 28, 2012
  25. Chemistry

    Nitrogen and hydrogen combine at high temperature, in the presence of a catalyst, to produce ammonia. N2(g)+3H2(g)-->2NH3(g) Assume 4 molecules of nitrogen and 9 molecules of hydrogen are present. After complete reaction, how many molecules of ammonia are

    asked on October 7, 2012
  26. math/116

    solve x+y=7 x-y=5 using elimination method

    asked on June 4, 2012
  27. Psychology

    I am having trouble understanding the following question: What prevents an individual from allocating attention the way in which they intend? Can someone give me a better understanding of the question?

    asked on January 19, 2010
  28. US Government

    Can someone please help confirm my answers? 1. Which of the following is TRUE regarding the Supreme Court’s modern rulings on regulation of interstate commerce? a. The Court allows federal regulation of almost anything related to interstate commerce. b.

    asked on June 14, 2018
  29. Financial math

    Janet Woo decided to retire to Florida in 5 years. What amount should Janet invest today so she can withdraw $45,000 at the end of each year for 20 years after she retires? Assume Janet can invest money at 5% compounded annually.

    asked on June 29, 2016
  30. chemistry

    How much aluminum nitrate can be found when 12 g of aluminum react with lead(II) nitrate? Answer in units of mol

    asked on January 22, 2012
  31. chemistry

    How many moles of molecules are in 252 g of hydrogen nitrate (HNO3)? Answer in units of mol

    asked on November 5, 2011
  32. chem

    balance 1-butanol + oxygen=carbon dioxide+water how many grams of carbon dioxide and water are produced when 130.6 grams of 1-butanol is completly burned?

    asked on December 1, 2009
  33. Chemistry

    Calculate the mass of water produced when 3.94 g of butane reacts with excess oxygen. Butane, C4H10, reacts with oxygen, O2, to form water, H2O, and carbon dioxide, CO2, as shown in the following chemical equation: 2C4H10(g)+13O2(g)→10H2O(g)+8CO2(g)

    asked on May 6, 2019
  34. chemistry

    Which atom in each of the following pairs has a larger radius? a) Na or K b) V or Zn c) V or Ta d) Li or Ba

    asked on November 11, 2012
  35. phys

    If your metabolic consumption of oxygen is 1500ml/min, what is the P02 of venous blood?

    asked on July 30, 2012
  36. precal


    asked on March 23, 2012
  37. geometry

    A lacrosse field measures 110 yards long by 60 yards wide. What would be an appropriate scale to construct a scale drawing of a lacrosse field so it would best fit on a 8.5 by 11 inch sheet of paper?(1 yd = 36 in.)

    asked on February 2, 2012
  38. programming

    The Binary Tree is one of the best ways to organize data when you need fast access. For this assignment, we will organize a list of names and perform various operations on those names. Build and show a binary tree based on the following names inserted into

    asked on January 13, 2012
  39. anatomy & physiology

    What would happen if our themoregulation used a postive feedback to maintain homeostasis

    asked on January 6, 2012
  40. Corporate finance

    A 1,000 face value bond has a remaining maturity of 8 years and a required return of 7%. The bond's coupon rate is 8%. What is the fair value of bond?

    asked on July 14, 2011
  41. chemistry urgent

    if 500 ml of HCl solution is needed to react with 2.43 g of Mg, what is the molarity of the HCl solution?

    asked on November 30, 2010
  42. 6th grade line segment

    How to you do a problem like this? A segment that is 1/2 of an inch long is how many sixteenths of an inch long? Thanks

    asked on October 10, 2010
  43. statistics

    A USU Today survey found that of the gun owners surveyed 55% favor stricter gun laws. The survey Involved 500 gun owners. Test the claim that a majority (more than 50%) of gun owners favor stricter gun laws. Use a .05 significance level.

    asked on May 12, 2010
  44. Statistics

    . Find the standard deviation for the given data. Round your answer to one more decimal place than the original data. 15, 42, 53, 7, 9, 12, 14, 28, 47

    asked on June 10, 2020
  45. US government

    Elections based on a plurality system discourage new parties from forming because I think it's C. Is this correct please? a. a plurality system discourages patronage and reduces voter interest in joining a party b. a plurality system requires parties to

    asked on February 15, 2019
  46. US government

    Lyndon Johnson was able to get his Great Society programs through Congress because: I think it's B. Can you please confirm? Thanks a. most of the public favored the programs. b. Democrats controlled both houses of Congress by large margins. c. most

    asked on February 15, 2019
  47. math

    Write the decimal as a percent: 0.3 4. Write the decimal as a percent: 5.16 5. Write the percent as a decimal: 61% 6. Order from least to greatest: 68%, one half , 0.55, 1.28 7. Write the fraction as a percent. If necessary, round to the nearest tenth of a

    asked on January 8, 2019
  48. math

    350 is 70% of what number? A) 500 B) 420 C) 245 D) 280 What percent of 64 is 24? A) 267% B) 62.5% C) 40% D) 37.5% What percent of $6.50 is $2.60? A) 25% B) 40% C) 90% D) 250% 20% of 140 is what number? A) 280 B) 120 C) 28 D) 12 HELP

    asked on December 17, 2018
  49. US History

    The special protection the courts once granted property rights has been reduced so the government can A.regulate business more than in the past B. construct national infrastructure plans C. force redistribution of income D. implement collective laws I

    asked on December 12, 2018
  50. Math (Please help ASAP!!)

    24. You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is -0.015. How confident can you be that your predicted value will be reasonably close to the actual value? My

    asked on April 16, 2018
  51. math

    Henry is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A charges an initial fee of $25 and an additional 80 cents for every mile driven. Company B charges an initial fee of $44

    asked on November 29, 2017
  52. Chem

    A tablet containing calcium carbonate and fillers with a mass of 1.631 g was dissolved in HCl. After the fillers were filtered out, the HCl was neutralized by adding sodium carbonate. The resulting precipitate was pure calcium carbonate (with the fillers

    asked on March 8, 2017
  53. Chemistry

    Hydrogen iodide decomposition via a second-order process to produce hydrogen and iodine according to the following chemical equation: 2 HI(g) -> H2 (g) + I2 (g) If it takes 489 seconds for the initial concentration of HI to decrease from 0.0693 M to 0.0174

    asked on February 24, 2017
  54. Chemistry

    Using the following data, determine the initial rate by calculating the slope of the tangent line at time zero. Time (s). [I2] (mM) 0. 0 20. 0.009 40. 0.017 60. 0.023 80. 0.029 100. 0.034 120. 0.039 140. 0.043 160. 0.046 180. 0.049 I can't figure out how

    asked on February 21, 2017
  55. Math

    Jenny's lawn is 1/3 of an acre. After moving 1/2 of the lawn, how much of an acre has she mowed? A. 1/5 B. 1/6 C. 1/2 D. 2/5 ______________________________ A leaking bucket is filled to 3/4 capacity. After some time, 1/2 of the water has leaked out. What

    asked on December 31, 2016
  56. Trig

    Find the exact value of the trigonometric function given that sin u=3/5 and cos v=-8/17. Both u and v are in quadrant II. Tan (u+v)

    asked on November 14, 2016
  57. Maths

    Both of the digits is even. One of the digit is 4. The tens place is twice the amount of the ones place. The number is less than 70. What is the number?

    asked on June 3, 2016
  58. math

    Explain why an even function does not have an inverse that is a function. and if log b < 0, what can you say about b?

    asked on July 13, 2015
  59. psycholigy

    Cultural learning involves all aspects of the learning processes that psychologists have identified over the years, such include: a. classical conditioning b. operant conditioning c. social learning d. All of the above.

    asked on December 14, 2014
  60. Math

    Sara wants to put new carpet. She needs 20 square feet. the carpet was $4.00 a square foot. She got it for half price. What was the new cost of the carpeting? And the total?

    asked on October 24, 2014
  61. Physics

    A heavier mass m1 and a lighter mass m2 are 20.5 cm apart and experience a gravitational force of attraction that is 8.60 10-9 N in magnitude. The two masses have a combined value of 5.80 kg. Determine the value of each individual mass.

    asked on June 22, 2014
  62. Liberal Arts Math II

    How long is the perimeter of a snowflake island? A) it is the same as the area B) it is infinite C) 2 times the height D) 3 times the height

    asked on March 11, 2014
  63. business law

    You make an online purchase of a hooded sweatshirt with the logo of the Dallas Cowboys. The next time you log on, your screen has a banner ad for Dallas Cowboy hats and shirts. This banner ad is most likely the result of: A) a cookie. B) a coincidence. C)

    asked on March 1, 2014
  64. math


    asked on December 1, 2013
  65. Physics

    A book weighing 12 N is placed on a table. How much support force does a table exert on the book? Answer in units of N

    asked on July 1, 2013
  66. Maths

    John has some sweets to give to his friends. If he gives 4 sweets to his friends, he will need 2 more sweets. If he gives 7 sweets to each friend, he will need 17 sweets. How many friends does John have? How many sweets does John have?

    asked on April 24, 2013
  67. stat probability

    A coin is tossed 4 times. Find the probability that the 4th toss is a tail, given that the first 3 tosses were all heads.

    asked on April 8, 2013
  68. stat probability

    Find the mean of the distribution shown. x 2 5 7 P(x) 0.28 0.42 0.30 What is the mean and the standard deviation of this distribution?

    asked on April 8, 2013
  69. stat probability

    A multiple choice quiz consists of 20 questions, each with 3 possible equally likely answers. If a student guesses at the answer to each question, then the mean number of correct answers selected by the student is?

    asked on April 8, 2013
  70. LBCC

    A coin is tossed 4 times. Find the probability that the 4th toss is a tail, given that the first 3 tosses were all heads.

    asked on April 7, 2013
  71. LBCC

    An apartment building has the following apartments: 2 bdrm 3 bdrm 4 bdrm 1st floor 7 3 4 2nd floor 9 0 11 3rd floor 8 4 7 If an apartment is selected at random, what is the probability that it is a 2 bedroom apartment on the 3rd floor?

    asked on April 7, 2013
  72. math problem

    1/3, 3/5,5/7,7/9,9/11,....If the pattern continues ,what is the 100th fraction in the sequence?

    asked on February 17, 2013
  73. Trig

    verify the following identity: tanx+cotx/cscx=secx

    asked on July 19, 2012
  74. business

    Molly Ellen, bookkeeper for Keystone Company, forgot to send in the payroll taxes due on April 15. She sent the payment November 8. The IRS sent her a penalty charge of 8% simple interest on the unpaid taxes of $4,100.

    asked on May 6, 2012
  75. Chemistry

    Charcoal is primarily carbon. Determine the mass of CO_2 produced by burning enough carbon (in the form of charcoal) to produce 510 kJ of heat. C + O2 --> CO2 Delta H = -393.5 kJ

    asked on March 19, 2012
  76. chemistry

    a solution contains Cr3+ ion and Mg2+ ion. The addition of 1.00 L of 1.55 M NaF solution is required to cause the complete precipitation of these ions as CrF3(s) and MgF2(s). The total mass of the precipitate is 49.8 g.

    asked on January 28, 2012
  77. algebra

    Identify the degree of each term of the polynormial and the degree of the polynormial. -4x^3+2x^2+7x+1 What is the degree of : the first term the second term the third term the fourth term the polynomial

    asked on November 9, 2011
  78. algebra

    solve r^2-7r-30=0

    asked on November 8, 2011
  79. chemistry

    Duralin is an alloy of aluminium containing 4.5% manganese, 3.5% copper, and 0.45% magnesium. How much magnesium is present in a 90 g sample of this alloy? Answer in units of mol

    asked on November 6, 2011
  80. Chemistry

    How many milliliters of 0.277 M AgNO3 solution are needed to react completely with 47.1 mL of 0.278 M NaCl solution? How many grams of AgCl will be formed? The reaction is NaCl(aq) + AgNO3(aq) → AgCl(s) + NaNO3(aq)

    asked on November 1, 2011
  81. physics

    A 170 kg physics professor has fallen into the Grand Canyon. Luckily, he managed to grab a branch and is now hanging 53 m below the rim. A student (majoring in linguistics and physics) decides to perform a rescue/experiment using a nearby horse. After

    asked on October 26, 2011
  82. physics

    Potential energy and kinetic energy are forms of what kind of energy? 1. mechanical 2. nuclear 3. heat 4. electromagnetic 5. chemical

    asked on October 26, 2011
  83. physics

    Note: Coal and oil are non-renewable re- sources. A friend says the energy of oil and coal is actually a form of solar energy. Is your friend correct, or mistaken? 1.Mistaken; the energy is actually nuclear. 2. Correct; these materials are the result of

    asked on October 26, 2011
  84. math (please please please help)

    How to convert into polar form? z = 1 - i w = 1 - √3i

    asked on October 6, 2011
  85. chm I

    Lithium hydride reacts with water as follows. LiH(s) + H2O(l) -->LiOH(aq) + H2(g) During World War II, U.S. pilots carried LiH tablets. In the event of a crash landing at sea, the LiH would react with the seawater and fill their life belts and lifeboats

    asked on June 29, 2011
  86. Physics

    A 100.0 W light bulb hangs from the ceiling. What is the visible light intensity on the floor, 2.1 m directly below the bulb, if 10% of its output is visible light? So I am attempting to use: I= Power/area however, I don't have a radius. I know 10% of 100

    asked on February 21, 2011
  87. chemistry urgent

    if 100 g of iron were reacted with 100 g of oxygen according to the reaction below, the maximum yield in grams of Fe2O3 would be: chemistry urgent - bobpursley, Tuesday, November 30, 2010 at 4:20pm Balance the equation. Note the coefficents on Fe and O2,

    asked on November 30, 2010
  88. chemistry urgent

    if 100 g of iron were reacted with 100 g of oxygen according to the reaction below, the maximum yield in grams of Fe2O3 would be: Dr. Bob. Please help.

    asked on November 30, 2010
  89. chemistry urgent

    a mixture of NO, CO2, and O2 gases has a total pressure of 2.5x10^3 torr. if the partial pressure of NO is 800 torr and CO2 is 600 torr, what is the partial pressure of O2? Dr. Bob. Please help

    asked on November 30, 2010
  90. chemistry urgent

    hydrogen gas is collected in a bottle, and the pressure of the gas is 892 torr at 24 °C. what is the pressure of hydrogen gas when the temperature decreases to 20 °C? chemistry - DrBob222, Tuesday, November 30, 2010 at 1:25pm (P1/T1) = (P2/T2) Dear Dr

    asked on November 30, 2010
  91. chemistry

    hydrogen gas is collected in a bottle, and the pressure of the gas is 892 torr at 24 °C. what is the pressure of hydrogen gas when the temperature decreases to 20 °C?

    asked on November 30, 2010
  92. chemistry

    a compound containing only carbon and hydrogen consists of 362 g of C and 30.1 g of H. what is the empirical formula of the compound?

    asked on November 30, 2010
  93. algebra

    A metal stays solid at Fahrenheit temperatures below 1796.4 degrees. Determine (in terms of an inequality) those Celsius temperatures for which the metal stays solid. Use the formula F= 9/5 C + 32.

    asked on November 3, 2010
  94. 6th grade math

    Can you recommend a site that will show how to divide whole numbers by fractions or give me an example.

    asked on October 23, 2010
  95. 6th grade english/pronouns

    Can the word "his" be a personal and a possessive pronoun? If so, can you give me a couple of sentences so I can see the difference. Thanks

    asked on October 17, 2010
  96. 6th grade

    How do you solve a problem like this ? 16+14=14+w

    asked on October 9, 2010
  97. Geology

    I know that Divergent margins, also known as rifting or spreading centers, happen when two plates move away from one another. Convergent margins happen when two plates move towards on another. The last transform faults happen when plates move past each

    asked on October 3, 2010
  98. Math (Algebra)

    How do I find the greatest common factor of a polynomial? When finding the greatest common factor of a polynomial, can it ever be larger than the smallest coefficient and can it ever be smaller than the smallest coefficient? Please explain.

    asked on July 26, 2010
  99. Math (Algebra)

    Again please NO answers! Only on how to solve. One canned juice drink is 20% orange juice; another is 5% orange juice. How many liters of each should be mixed together in order to get 15L that is 14% orange juice?

    asked on July 4, 2010
  100. algebra

    If you are looking at a graph of a quadratic equation, how do you determine where the solutions are?

    asked on June 24, 2010


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