Popular questions and responses by Nikki
  1. Math

    An auditorium has 30 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium My answer is 1170 but the way I figured out the problem was by listing numbers 1-30. the problem state

    asked on March 21, 2010
  2. Algebra

    Translate this phrase into a algebraic expression. 22 more than twice Mabel's age

    asked on November 22, 2016
  3. Consumer math

    Could someone please check my answers? Secured Credit APR Excellent 4.75% Good 5.00% Average 5.85% Fair 6.40% Poor 7.50% -------------------------- Unsecured Credit APR Excellent 5.50% Good 5.90% Average 6.75% Fair 7.25% Poor 8.40%

    asked on February 22, 2016
  4. Chemistry

    A 0.08425 g sample of gas occupies 10.0-mL at 292.5 K and 1.10 atm. Upon further analysis, the compound is found to be 13.068% C and 86.932% Br. What is the molecular formula of the compound? Identify the geometry around each carbon atom. a)trigonal

    asked on November 17, 2012
  5. pre algebra

    a certain spinner has equally sized slices. the probability of landing on a red slice is 1/3 what are the odds in favor of landing a on a red slice

    asked on July 12, 2016
  6. Science

    Describe at least one societal issue that scientists will be able to address using the sequence of the human genome.

    asked on September 7, 2016
  7. Geometry

    The question is to find the measure of arc PQ in Circle A. The point A is the center of the circle, and the chords PR and SQ intersect at the center. Arc PQ is (3y-10), while arc SR is (2y+20). I know there's a theorem that states that when two chords

    asked on April 1, 2008
  8. English

    Complete the following sentence. _____ often answer the questions who, what, why, when, or where. Supporting details (MY ANSWER) Statistics Reading strategies Graphic organizers

    asked on June 21, 2016
  9. math

    rainbow Harbor Cruises charges $16/adult and $8/child for a round trip ticket. The records show that on a certain weekend, 1200 people took the cruise on saturady and 800 people took the cruise on sunday, The total receipte for saturday were $13,600 and

    asked on March 3, 2010
  10. Chemistry

    1.06g of sodium trioxocarbonate(iv) reacted with excess dilute 0.1M hydrochloric acid, after the reaction, the unreacted acid required 24cm3 of 0.1M sodium hydroxide for its complete neutralization. Calculate the original volume of the hydrochloric acid

    asked on November 8, 2018
  11. Literary Analysis and Composition

    could you please help with these questions? In works like "To Build a Fire," Naturalist writers such as Jack London advocated (Points : 5) trusting entirely in the wisdom and ingenuity of human beings. respect for the power and wildness of the natural

    asked on January 20, 2011
  12. algebra

    The difference of a number and 3 is the same as 39 less the number. Find the numbet?

    asked on October 24, 2015
  13. Math-Geometry

    B is in the interior of angle AOC. C is in the interior of angle BOD. D is in the interior of angle COE. The measure of angle AOE is 162 degrees, COE is 68 degrees, and the measures of angles AOB, COD, and DOE are all equal. The question is to find the

    asked on October 10, 2007
  14. Chemistry

    Balance the equation: NO2- (aq) + Al (s) --> NH3 (g) + AlO2- (aq) (basic solution) ** please note the "2-" on the NO2- and AlO2- are not subscripts, they are the charges. I missed a few classes in Chemistry and find myself lost. I have tried to learn these

    asked on October 30, 2015
  15. Physics

    A car travels the same distance at constant speed around two curves, one with twice the radius of curvature of the other. For which of these curves is the change of the velocity of the car greater? Explain.

    asked on March 8, 2012
  16. business

    patient paid $125.00 toward deductible od 500.00 80-20 coinsurance charges of 134.00, 147.00 and 83.00 what will patient pay and what will be reimbursment

    asked on September 23, 2018
  17. English Check answers

    Identify the number of independent and subordinate clauses in the following group of words. When Janine does volunteer work, she feels a sense of joy and fulfillment A. one independent clause only B. one independent clause and one subordinate clause (MY

    asked on July 12, 2016
  18. Science 1 quick question

    Suppose monerans lost the ability to fix nitrogen. How would this affect other organisms?

    asked on September 30, 2014
  19. The last time...Language arts

    What figurative language does use in Annabel Lee? My Answer--> With a love that the winged seraphs of heaven coveted her and me” (lines 8 and 9). The angels do not see any restoration of the love even in heaven; they doubt that he will reunite in heaven

    asked on November 5, 2013
  20. chemistry

    A sample of neon effuses from a container in 73 seconds. The same amount of an unknown noble gas requires 149 seconds. Identify the gas.

    asked on October 16, 2008
  21. Math

    A rectangular parking lot has an area of 2/3 of a square kilometer. The width is 1/2 of a kilometer. What is the length, in kilometers, of the parking lot?

    asked on April 28, 2016
  22. Trigonometry

    Show algebraically how to confirm that cos2x=cos^2x-sin^2x using the sum and difference identities

    asked on July 15, 2012
  23. MicroEconomics

    “The power to constrain an adversary depends upon the power to bind oneself.” ." Explain this statement using the concept of strategic commitment.

    asked on October 2, 2019
  24. Algebra 2

    Can someone check my answers? 1. Convert 13pi/30 to degree measure. 78° 2. Find the distance between (4,4) and (8,7). 5 3. What is the vertex of the parabola y = (x + 8)^2 - 2? (-8,-2) 4. The graph of y = 6(x - 8)^2 + 1 open downward. False. 5. An angle

    asked on November 12, 2017
  25. History

    Which of these stories in the Bible would have had the largest impact on an enslaved person? A rich young ruler is told to give all his wealth to the poor. God leads the Hebrews out of forced servitude in Egypt.*** Jesus is betrayed by Judas Iscariot, one

    asked on April 18, 2017
  26. Business Research

    A data processing analyst for a research supplier finds that a preliminary computer run of survey results show that consumers love a client’s new product. The employee buys a large block of the client’s stock. Discuss the ethical ramifications of this

    asked on November 10, 2012
  27. chemistry

    Na + H2O ¨ NaOH + H2 How many moles of H2 would be formed from 30 grams of Na in the following (UNBALANCED) equation?

    asked on May 17, 2012
  28. chemistry

    what the balanved equation for gaseous sulfur dioxide reacts with water to form aq sulfurous acid (H2SO3)

    asked on November 4, 2010
  29. AP Biology

    I have two questions: 1. Why are action potentials usually conducted in only one direction along an axon? A. The axon hillock has a higher membrane potential than the terminals of the axon. B. The brief refractory period prevents reopening of voltage-gated

    asked on November 1, 2010
  30. Calculus

    How many critical points does the function f(x) = [(x-2)^5][(x+3)^4] have? A. 1 B. 2 C. 3 D. 5 E. 9 --- Ok, these are my thoughts on this question: My impulse was to do derivative of the function. However, if I'm going to set the function equal to zero to

    asked on May 10, 2010
  31. Math

    question 1: A series is: 1. any list of numbers 2. a summation of quantities whose positions are based upon the natural numbers 3. an arrangement of quantities whose positions are based upon the natural numbers. Which number is it? question 2: For the rule

    asked on January 26, 2010
  32. Chemistry

    Sodium Chloride is the LEAST soluble in which of the following liquids? a. H2O b. CCl4 c. HF d. CH3OH e. CH3OOH I know NaCl is a polar molecule...and a dipole-dipole IMF bond? My guess is b because it's nonpolar and I think it's a London Dispersion IMF. Is

    asked on November 30, 2009
  33. chem

    Use the molar volume of a gas at STP to determine the volume (in L) occupied by 10.5g of neon at STP.

    asked on October 10, 2008
  34. Geometry

    A circle is circumscribed by a pentagon. The sides are all tangent to the circle. (It's a bit hard to explain without a picture, so I'll do my best.) The pentagon is QSUWY. However, there are points in between all five sides. In SQ lies point R, SU point

    asked on April 1, 2008
  35. math

    A survey of high school juniors found that 82% of students plan on attending college. If you pick three students at random, what is the probability that at least two plan on attending college? Round to the nearest percent

    asked on May 15, 2020
  36. Social Studies

    The most likely reason why an ancient Greek might worship more than one god is that ______________. A. Each god offered different help in areas of life B. he or she wasn't sure which of the gods were real C. the popularity of gods changed over time D. he

    asked on December 12, 2018
  37. Math

    A bag of peanuts weighs 1/4 pound. How much do 1 1/2 bags weigh?

    asked on December 11, 2018
  38. Social Studies

    I need help ASAP! 1. In what order does a dynasty gain and lose power in the Mandate of Heaven? 2.Chinese settlement was restricted to the west by which natural barrier? A. the Pacific Ocean B.the Gobi Desert C.the Huang River D.the Himalaya Mountains 3.

    asked on November 26, 2018
  39. Commom Core Algebra

    how do I rewrite the following expression as an equivalent product of two binomials? x(x+2)+3(x+2)

    asked on September 19, 2016
  40. math

    how do you own your learning in algebra 1?

    asked on April 21, 2016
  41. History

    What are the risks and benefits of propaganda campaigns?

    asked on March 23, 2016
  42. fifth grade math

    How many decimal places are in the product of a number with decimal places to the hundredths multiplied by a number with decimal places to the tenths? A) 2 B) 3 C)4 D)5 Is it C-4 ? If not, please explain how i can solve .. thank you :)

    asked on December 1, 2015
  43. ece

    Hannah said, "I like blue the best. It is my favorite color. I am the only one who likes blue this much. That's why everything of mine is blue." This is typical of __________ speech. A. personal function B. heuristic function C. representational D.

    asked on March 12, 2014
  44. math

    frank cut a pie into 10 equal slices there are only 3 slices left what is the measure of the angle for the 3 slices that are left?

    asked on March 19, 2013
  45. Computer

    For which operating system is exFAT NOT an option when formatting a partition? A. Windows XP with SP3 B. Windows XP with SP2 C. Vista with SP1 D. Vista

    asked on January 18, 2013
  46. Computer

    You have an empty 64 bit PCI slot in your computer. What can you install in it? A. A single 64 bit adapter card B. A single 32 or 64 bit adapter card C. A single 64 bit adapter card or two 32 bit adapter cards D. A single 64 bit adapter and an 8 bit

    asked on January 18, 2013
  47. Algebra

    Two functions f and g are defined by f:x = 25 /(3x-2) g:x = x^2 Find the composite function

    asked on December 19, 2012
  48. Trig

    A baseball diamond is a square with sides 22.4m The pitchers mound is 16.8m from home plate on the line joining home plate and second base. How far is the pitchers mound from first base?

    asked on October 16, 2012
  49. chemistry

    Calculate the pH at which the amino group of lysine is 20% dissociated. lysine side chain pka is 10.5.

    asked on October 25, 2010
  50. Math

    Find the solution to: Solve: 0.9x+9

    asked on August 20, 2010
  51. music

    which one of the following terms best describes the music the classical period

    asked on February 10, 2010
  52. Chemistry

    I need some help with writing reactions. I have the following to write out: a. the hydration of copper sulfate b. the reaction of liquid sulfuric acid to form aqueous sulfuric acid c. the reaction of calcium oxide w/ water to form calcium hydroxide For a,

    asked on October 4, 2009
  53. science

    Provide a one sentence description of typical precipitation and temperature for summer and winter. Use terms such as cool, cold, warm, hot, dry, and wet. Then, identify the characteristics of a plant and animal that is seen regularly in your region. How do

    asked on July 24, 2008
  54. Geometry

    Find the area of a regular pentagon with radius 3cm. Round to the nearest tenth. No picture is given, but I believe a circle can surround the figure. I'm not really sure how to find the area of the figure when the side length isn't given. Can you guys help

    asked on April 19, 2008
  55. Math ?

    Which of these numbers is prime? Explain why or why not. 407 409 411 413

    asked on November 10, 2007
  56. science

    the process of changing free nitrogen into a usable form of nitrogen is called

    asked on April 4, 2018
  57. Algebra 2

    Can someone see if I got these correct? 1. Solve log5 x = 3. x = 125 2. log3 (x - 4) > 2. x > 13 3. Evaluate log7 49. log7 49 = 2 4. Solve log3 x = 4. x = 81 5. The graph of a logarithmic function y = 3^x is a reflection of x = 3^y over the line y = 0.

    asked on October 22, 2017
  58. Art History

    Name the two major changes that affected european art in the eighteenth century. My art book doesn't exactly point out or focus on two changes. I would go with the French Revolution, but I'm not sure what the other change would be. After it talks about

    asked on May 3, 2017
  59. Science

    Carbon dioxide, ethanol, and energy are the products when anaerobic respiration occurs in oxygen*** in the presence of nitrogen in yeast cells in an animal cell

    asked on May 1, 2017
  60. math

    meredith picked 4 times as many green peppers as red peppers. If she picked a total of 20 peppers, how many green peppers did she pick?

    asked on September 14, 2016
  61. College Algebra

    I am asked to write a logarithmic expresion as a single logarithm with coefficient 1 and simplify as much as possible. The equation is: 4logbase5Y-3logbase5X+1/2logbase5Z. Could some please help me I am not understanding this whole Logarithm thing.

    asked on July 17, 2016
  62. English Check answers

    Identify the number of independent and subordinate clauses in the following group of words. Energy can be gathered by using solar power A.two independent clauses(MAY ANSWER) independent clause and one subordinate clause subordinate clause only

    asked on July 13, 2016


    asked on July 5, 2016
  64. English Check answers

    2) Your online chat name should never contain your full name. True or False ~ (My answer is TRUE) 3) It is safe to tell your online acquaintance (someone you have NEVER met) your a. full name b. address c. phone number d. favorite music ~ (My answer) 4)

    asked on June 21, 2016
  65. Math

    bill ate 1 jelly bean on sunday, 2 jelly beans on monday and 3 jelly beans on tuesday. if this continues for the rest of the week, how many jelly beans will bill have eaten in all by the end of saturday?

    asked on February 26, 2016
  66. Algebra

    A woman invested part of $29,000 at 6% interest and the rest at 7%. If her annual interest is $1,895, how much did she invest at 6%?

    asked on October 16, 2015
  67. Chemistry (solubility product question)

    "When 3.00 ml of a 0.00600 M K2CrO4 solution and 3.000 ml of a 0.0100 M Cu(NO3)2 solution are mixed, some solid forms. The mixture is centrifuged and the supernatant is removed. The absorbance of the supernatant, measured at 400 nm in a 1.00 cm cuvette, is

    asked on April 10, 2015
  68. Algebra

    Rosa is 14 years older than her sister amy. Three years ago, she was three times as old as amy. how old is each girl now?

    asked on February 4, 2015
  69. math

    KATHY has red balloons and blue balloons. She gives away 5 ballons. If she gives away 3 red ballons, how many blue ballons does she give away?

    asked on October 26, 2014
  70. Science quick question

    bacterial structures which could survive unfavorable conditions are called? Spores Flagella Cysts Granuless My answer: spores?

    asked on September 30, 2014
  71. Math

    Expand 5 (x+y+z) Factor wx + wy

    asked on January 23, 2014
  72. Chemistry

    Solid copper oxide reacts with ammonia gas according to the following equation: 3CuO + 2NH3 -> 3Cu + N2 + 3H20 50 grams of CuO is placed in an 80L reaction vessel, and the vessel was evacuated. Ammonia gas was then gradually introduced into the vessel,

    asked on September 30, 2013
  73. maths

    the perimeter of a parallelogram is 28 cm and ratio of the adjacent sides is 3:4 find the sides of a parallelogram?

    asked on May 17, 2013
  74. 3rd grade math

    draw a box that has 3 valumes of 12 cubic units in 3 different ways

    asked on April 30, 2013
  75. math

    Suppose you roll a fair die 18 times. (a) What is the sample space? (b) What is the probability that each number from 1 to 6 appears exactly thrice? (c) What is the probability that the number 1 appears exactly twice, 3 appears exactly four times, and 5

    asked on January 27, 2013
  76. Computer

    What is the name of the Windows Utility that you use to format drives? A. System Manager B. System Drive Manager. C. Disk Management D. Windows Drive Administrator

    asked on January 18, 2013
  77. Computer

    Your computer is running very slow. The LED light for the hard drive blinks nearly continually, indicating that the hard drive is spinning even when data is not being saved or read from the hard drive. Based on this scenario, what is probably causing the

    asked on January 10, 2013
  78. Last Question Plz helppp:((im soo sleepy!!:(

    1)The reaction between solid sodium and iron(III) oxide, Fe2O3(s), is one in a series of reactions that occurs when an automobile air bag inflates. 6Na(s) + Fe2O3(s) -> 3Na2o(s) + 2Fe(s) If 100.0 g of iron(III) oxide are used in this reaction, what mass of

    asked on December 19, 2012
  79. Chemistry

    1)The following balanced chemical equation represents the reaction of calcium carbonate CaCO3 (s), with hydrochloric acid : CaCo3(s) + 2HCl (aq) -> CaCl2(aq) + CO2(g) + H2O(l) If 155 g of calcium carbonate reacts with 245 g of hydrochloric acid, what mass

    asked on December 19, 2012
  80. Algebra

    Two functions f and g are defined by f:x = x^2 + 3 g:x = 2x+1 Find the function fg

    asked on December 19, 2012
  81. physics

    An object is placed 5 cm in front of a concave lens of focal length 7 cm. Find the image location by drawing a ray tracing diagram to scale.

    asked on December 9, 2012
  82. math


    asked on November 5, 2012
  83. Math

    A 5.0m ladder is leaning 3.1m up the wall. What is the angle the ladder makes with the ground? Would this be..... sinA=3.1/5.0 sinA=0.62 sin^-1=38degrees?

    asked on October 6, 2012
  84. Algebra

    Solve for x: (x/4)-(5/x)=(1/4)

    asked on April 16, 2012
  85. math

    christine went shopping and bought each of her six nephews a gift, either a video costing $14.95 or a Cd costing 16.88. she spent 91.63 on gifts how many videos and how many cd's did she buy

    asked on December 6, 2011
  86. Math

    two forest fire stations,P and Q are 20.0 km apart, A ranger at station Q sees a fire 15.0 km away, if the angle between line PQ and the line form P to the fire is 25 , how far to the nearest tenth of a kilometre is statin P from the fire

    asked on November 26, 2011
  87. Math

    state the primary trigonometric ratio associated with angle a p(-2,5)

    asked on November 26, 2011
  88. Physics

    A 2 kg ball of putty moving to the right at 3m/s has a head-on inelastic collision with a 1 kg ball of putty moving to the left at 3m/s. What is the final magnitude and direction of the velocity of the stuck together balls after the collision?

    asked on October 8, 2011
  89. physics

    A car travelling at a constant speed of 136 km/hr passes a tropper hidden behind a billboard. One second after the speeding car passes the billboard, the tropper sets in a chase after the car wit ha constant acceleration of 3.8 m/s^2. How far does the

    asked on September 29, 2011
  90. Physics

    You are riding on a jet ski directed at an angle upstream on a river flowing with a speed of 2.8 m/s. If your velocity relative to the ground is 8.2 m/s at an angle of 25.0° upstream, what is the speed of the jet ski relative to the water?

    asked on August 28, 2011
  91. Math

    Identify the property. X(a-b)= ax- bx

    asked on August 21, 2011
  92. Business

    1. (TCO 9, 2, 3, 7) You have worked for an electronics company for the past three years. You have been assigned the responsibility to create a workbook presenting profits and losses at the company's end of year meeting. It is critical for the workbook to

    asked on June 23, 2011
  93. algebra

    Solve the equation by a method of your choice: 6x2 + 5x + 1 = 0 If there are two solutions, separate the solutions by a comma.

    asked on June 6, 2011
  94. chemistry

    2.50x10 to the second power mL of 0.100M NaBr

    asked on May 11, 2011
  95. chemistry

    what is the formula for hydrate copper(II) CHLOride Tetra-hydrate?

    asked on April 27, 2011
  96. Physics

    If a gas tap is turned on for a few seconds, someone a couple of meters away will hear the gas escaping long before he or she smells it. What does this indicate about the speed of sound and the motion of molecules in the sound-carrying medium?

    asked on April 6, 2011
  97. Physics

    Will a cyclist coast farther if the lamp connected to his generator is turned off? Explain.

    asked on March 30, 2011
  98. physics

    Suppose partial melting of the polar ice caps increases the moment of inertia of the Earth from 0.331MR^2 to 0.332MR^2. What is the change in length of day in seconds?

    asked on March 17, 2011
  99. physics

    A student sits at rest on a piano stool that can rotate without friction. The moment of inertia of the student-stool system is 4.6 kg m^2. A second student tosses a 1.5 kg mass with a speed of 2.9 m/s to the student on the stool, who catches it at a

    asked on March 17, 2011
  100. physical science

    What is Final Velocity? I don't understand it at all!!

    asked on February 2, 2011


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