Questions Asked on
June 2, 2016

  1. Chemistry/- Dr.Bob222

    A voltaic cell consists of a Zn/Zn2+ half-cell and a Ni/Ni2+ half-cell at 25 C. The initial concentrations of Ni2+ and Zn2+ are 1.50 M and 0.10 M, respectively. a. What is the initial cell potential? My answer: 0.56 B b. What is the cell potential when the

    asked by Nevaeh
  2. Science, please help ASAP!!!

    help me fill me fill in the blanks please??? My options:adaptation, body, homologous structures, inheritance, older, artificial selection, overproduction, punctuated equilibrium, common ancestor 1) Similarities in the early development of chickens and

    asked by Universal Almighty
  3. math

    there are 18 boys and 12 girls in a math class. what is the ratio of "girls" to total students.

    asked by zero
  4. Geometry

    Find the value of x Triangle MNP ~ Triangle XYZ PM=x+5 PM=4x-10 ZX=30 ZY=75

    asked by Gen
  5. Algebra

    Carmen is using the quadratic equation (x + 15)(x) = 100 where x represents the width of a picture frame. Which statement about the solutions x = 5 and x = –20 is true?

    asked by T
  6. language arts

    Joe magarac, Man of steel 8. In section 1, what does the author mean when he says joe magarac is a folk hero? A. Joe was a real man who spent his whole life in the steel mills of Pittsburgh. B. Joe was a mysterious figure who vanished without a trace.* C.

    asked by jj
  7. Physics

    Two sound waves are traveling through a container of unknown gas. Wave A has a wavelength of 1.2 m. Wave B has a wavelength of 3.6 m. The frequency of wave B must be __________ the frequency of wave A. a. one-ninth b. one-third c. the same as d. three

    asked by lost in life
  8. Physics - Doppler Effect

    How fast is a car moving and in what direction if the frequency of the horn drops from 900 Hz to 875 Hz, as heard by a stationary listener? The air temperature is 0oC. How to solve? I have no idea...

    asked by lost in life
  9. Vocabulary

    Extrovert and Self-conscious A. Synonyms B. Antonyms C. Neither B is wrong so I hope its C. am I correct?

    asked by quick help needed
  10. Art

    1. Which textile technique do quilters use to craft blankets? A. weaving B. knitting ** C. stitchery ** D. cross-stitching I think B or C 2. Native American weavers often depicted abstract patterns that represented which of the following? A. friendship B.

    asked by Pewf
  11. Trigonometery

    What is the graph of one cycle of a sine curve with the given characteristics? Using the form y = a sin bθ, what is an equation for the sine curve? amplitude = 4, period =1/4 pi , and a < 0

    asked by Maggie
  12. math

    Ava and Kelly ran a road race, starting from the same place at the same time. Ava ran at an average speed of 6 miles per hour. Kelly ran at an average speed of 8 miles per hour.

    asked by Anonymous
  13. algebra 1

    A survey was taken of students in math classes to find out how many hours per day students spend on social media. The survey results for the first-, second-, and third-period classes are as follows: First period: 2, 4, 3, 1, 0, 2, 1, 3, 1, 4, 9, 2, 4, 3, 0

    asked by Peter (forgive me)
  14. English

    The salesperson ignored Lisa. He was helping an older customer. Which sentence best combines the two sentences using a participial phrase? A. Lisa was ignored by the salesperson as he helped an older customer B. An older customer was being helped by the

    asked by Kolohe
  15. Algebra 1

    A survey was taken of students in math classes to find out how many hours per day students spend on social media. The survey results for the first-, second-, and third-period classes are as follows: First period: 2, 4, 3, 1, 0, 2, 1, 3, 1, 4, 9, 2, 4, 3, 0

    asked by Peter
  16. Chemistry

    You are given Ka of carbonic acid is 4.3 x10^-7. This means that Carbonic acid is a good hydrogen-ion acceptor*** good hydrogen-ion donor poor hydrogen-ion acceptor poor hydrogen-ion donor

    asked by Kayla
  17. math

    What are the coefficients in the polynomial 5x^2 + 2x - 4? A. 5,2 B. -5,2 C. 5,2,-4 ** D. 5,-2,-4 For questions 2 and 3 add or subtract. 2. (m^2 - m - 4) + (m - 5) A. m^2 - 2m + 9 B. m^2 + 2m - 9 C. m^2 - 2m - 9 ** D. m^2 - 9 3. (5x^2 + x - 3) - (-2x^3 +

    asked by Zero
  18. math

    for which value of m is 4/16=m/24 a proportion A.M=6 B.M=8 C.M=12 D.M=14***

    asked by larry i need help i will get heled back if some
  19. algebra 1

    A survey was taken of students in math classes to find out how many hours per day students spend on social media. The survey results for the first-, second-, and third-period classes are as follows: First period: 2, 4, 3, 1, 0, 2, 1, 3, 1, 4, 9, 2, 4, 3, 0

    asked by Peter
  20. math

    which pair of ratios does NOT form a proportion? A.3/ 5 24/40 B.30/10 15/3 C.9/14 3/4 D.7/12 14/24****

    asked by larry
  21. Social Studies (check my answers)

    1. Mexico's economy is based largely on (2 points) oil exports. mining. agriculture and livestock.** industry. 2. Many indigenous people in Guatemala live in the mountains because (2 points) it is the only land available to them. the soil is very good for

    asked by Mary
  22. English

    How is Zaroff’s defeat in “The Most Dangerous Game” caused by his own arrogance? A) He is tricked by Rainsford. B) Zaroff is wounded by Rainsford’s trap. C) He lets Rainsford go to prolong the hunt. D) He watched Rainsford jump into the sea. I'm

    asked by SkatingDJ
  23. MATH

    Two cell phone companies have different rate plans. Runfast has monthly charges $25 plus $10 per gig of data. B A &D’s monthly charge is $18 plus 15 per gig of data. Your task is to determine under what circumstances each company has the better pricing.

    asked by SOMEBODY PLEASE HELP !
  24. math

    solve the proportion. t\16=40\50 A.T=26 B.T=28**** C.T=1.28 D.T=128

    asked by Larry Vandermark
  25. math

    What are the coefficients in the polynomial 5x^2 + 2x - 4? A. 5,2 B. -5,2 C. 5,2,-4 ** D. 5,-2,-4 For questions 2 and 3 add or subtract. 2. (m^2 - m - 4) + (m - 5) A. m^2 - 2m + 9 B. m^2 + 2m - 9 C. m^2 - 2m - 9 ** D. m^2 - 9 3. (5x^2 + x - 3) - (-2x^3 +

    asked by larry
  26. E.L.A.

    Think about the work you completed in your reading character role. determine the ideas that would be most worthy to share in a literary discussion about dragonwings. provide an explanation fr your choices. how did the role you selected and the work you

    asked by PLEASE HELPPPPP
  27. Math/Pre Algebra HELP ME!

    1. What are the coefficients in the polynomial 5x^2 + 2x - 4? A. 5,2 B. -5,2 C. 5,2,-4 ** D. 5,-2,-4 For questions 2 and 3 add or subtract. 2. (m^2 - m - 4) + (m - 5) A. m^2 - 2m + 9 B. m^2 + 2m - 9 C. m^2 - 2m - 9 ** D. m^2 - 9 3. (5x^2 + x - 3) - (-2x^3

    asked by Tori
  28. English

    Dear Ms.Sue, thank you so much for your help. Please help me with a few more problems. 1) "the thesis defines the integrity and continuity of the process of the emergence of natural science" (maybe too many OF?) 2) "its nature is displayed in the(?)

    asked by Ilma
  29. Algebra

    the width w of a rectangular swimming pool is x-2. The area of the playground is x^3-5x^2+2x+8. What is an expression for the length of the playground. x^2+3x+4 x^2+3x-4 x^2-3x+4 x^2-3x-4

    asked by Angie
  30. 2 social studies questions

    I would so greatly appreciate it. How does Reagan support his statement "Freedom is the victor"? How does Reagan challenge Gorbachev to prove that his reforms are not "token gestures"? *

    asked by Anonymous
  31. history

    1. How has South Carolina changed politically since the 1970s? (1 point) ~County governments were eliminated.*** ~Race has become the most important political issue. ~The Democratic Party has gained more power in the state. ~The Republican Party has gained

    asked by please help
  32. english

    An effective speech delivery has all of the following qualities EXCEPT: A. speaker delivers message with impact. B. it is a result of the speaker’s natural talent and gift. C. influences audience to act or think favorably toward message. D. meets

    asked by Amie
  33. chemistry

    A certain first order reaction has a rate constant of 5.68 x 10–3 s–1 at 139°C and a rate constant of 8.99 x 10–1 s–1 at a temperature of 215°C. Ea = 111 kJ mol– q1) What is the value of the rate constant at 275°C? q2) At what temperature

    asked by jane
  34. math

    solve the proportion t/16=40/50 A.T=28 B.T=28 C.T=1.28 D.T=12.8

    asked by Zero
  35. Chemistry

    The acetate buffer were prepared by mixing 0.1 M ch3cooh with 0.1M ch3cooNa in the ratio 8:2 and 2:8. Calculate the resulting ph after the addition of 2mL of 0.1 M HCl to 10 ml of buffer 8:2 and 4ml of 0.1 M NaOH to 10 ml of buffer 8:2.

    asked by Bobby
  36. economics

    mu=p ,according to cardinal using mathematical derivation

    asked by Anonymous
  37. Chemistry

    Calculate the molality of a solution prepared by dissolving 225.5 g KNO3 in 825mL of water. Show your work

    asked by Kayla
  38. Math Year 10 - Simultaneous equations

    Q. A small farm has sheep and chickens. There are twice as many chickens as sheep, and there are 104 legs between the sheep and the chickens. How many chickens are there?

    asked by Popcorn
  39. Math Urgent Please Help

    Which construction is illustrated below? a. a perpendicular to a given line from a point not on the line b. a perpendicular to a given line from a point on the line c. perpendicular bisector of a given segment d. bisector of a line segment Please help with

    asked by Mame
  40. Vocabulary

    Determine whether the definition below is denotative or connotative. duplicity: the state or quality of having two elements or parts; being twofold or double. A. connotative B. denotative B?

    asked by quick help needed
  41. Vocabulary

    Class or Rank A. Application B. Stratification C. Secularization D. Resolution B?

    asked by quick help needed
  42. Vocabulary

    A large group of homes A. Development B. Technology C. Communication D. Statistics B?

    asked by quick help needed
  43. Math: Multistep area problems

    Mark is covering an 8-inch-square board with 1-inch-square tiles. He uses gray tiles to make four 2-in. by 2-in. squares. He covers the rest of the board with white tiles. How many more white tiles than gray tiles will Mark use?

    asked by Mandy
  44. Geometry

    Rectangle ABCD ~ Rectangle EFGH. which similarity postulate or theorem lets you conclude that triangle BCD ~ Triangle FGH

    asked by Gen
  45. south carolina history

    Which describes Hurricane Hugo’s impact on South Carolina’s economy? ~Hugo caused billions of dollars in damage but rebuilding efforts kept the state’s economy growing. ~The hurricane destroyed much of the coast and caused the state to suffer an

    asked by mcclam
  46. Geometry

    Determine whether the statement (3) follows from statement (1) and (2) by the law of detachment or the law of syllogism. If it does, state which law was used. If it does not, write invalid. (1) if you study you will be smart (2) if you are smart you will

    asked by Kirage
  47. Vocabulary

    Prolific and Trivial A. Synonyms B. Antonyms C. Neither C is wrong so I think its B. am I correct?

    asked by quick help needed
  48. maths

    calculate normality of 0•3molar H3PO3(phosphorus acid)

    asked by Bharti
  49. physics

    an initially resting 300g car is dragged along a horizontal frictionless table by a massless cord. The cord is attached to vertically hanging 60g mass by a frictionless massless pulley. If the car starts from rest, determine the time it would take for it

    asked by Bill
  50. Math

    Prove that an exterior angle of a triangle is equal to the sum of the non adjacent interior angles of that triangle. Use the following variables in your proof. Exterior angle=w Interior adjacent angle= x Interior non adjacent angle1= y Interior non

    asked by Brian
  51. Calculus

    Find the area bounded by the parabola 8+2y-y^2 and the lines y=-1 y=3

    asked by Eli
  52. Math ~ CHECK ANSWER

    Below are two sets of student quiz scores on a 30-point quiz. Which of the following can you conclude by comparing their box-and-whisker plots? Class A: 5, 10, 13, 18, 19, 25, 29 Class B: 1, 3, 5, 7, 9, 9, 13 a) The first quartile of class B is greater

    asked by Jessica
  53. Add Math

    the variable point P(x, y) moves so that it is the same distance from the points (1,6) and (3, 2). The equation of the locus of P may be obtained by?

    asked by Natalie
  54. math

    Find the largest number which divides 630 and 940 leaving remainder 6 and 4 respectively

    asked by arun
  55. Math

    6. If the length of the radius of a cylinder is tripled, which statement is true? a. The lateral surface area of the cylinder is six times greater than the original. b. The volume of the cylinder is six times greater than the original. c. The lateral

    asked by Mame
  56. history

    Which describes Hurricane Hugo’s impact on South Carolina’s economy? ~Hugo caused billions of dollars in damage but rebuilding efforts kept the state’s economy growing. ~The hurricane destroyed much of the coast and caused the state to suffer an

    asked by please help
  57. U.S. History (Check)(REED)

    1. During the 2000 election, it came down to a 400 difference in what state? A: Florida 2. Why was the United States involved in the Persian Gulf War? A: To expel Iraq from Kuwait, which has one of the largest oil reserves in the world, and protect our

    asked by Victoria
  58. Vocabulary

    The _______ definition of gloomy is dismal or depressing. A. connotative B. denotative A?

    asked by quick help needed
  59. Math Please Help Quick

    The probability of winning a game is 20%. If you play 20 times, how many times should you expect to win?

    asked by MIke
  60. Pre-Calculus

    Solve the system by the substitution method. Show your work. 2y - x = 5 x2 + y2 - 25 = 0 I solved the problem but I got it wrong for some reason..can you solve it step by step?

    asked by Liz
  61. Chemistry

    Check my answers 63. What type of bond links the monomers together in a polymer? Poly bond Covalent bond Ionic bond Hydrogen bond*** 64.What is the change in atomic mass when an atom emits a beta particle? decreases by 1*** increases by 1 decreases by 2

    asked by Kayla
  62. Math(Assignment due today)

    In Alberta, ramps that are designed for people using mobility devices must meet certain safety requirements. One such requirement is that the angle between the ramp and the horizontal must be less than 4.8 degrees. Explain whether or not the ramp in the

    asked by Cameron
  63. Vocabulary

    Dormant and Recessive A. Synonyms B. Antonyms C. Neither B is wrong so I hope its A. am I correct?

    asked by quick help needed
  64. Simultaneous equation

    Ann is older than Betty. Their ages in years are such that twice the square of Betty's age subtracted from the square of Ann's age gives a number equal to 6 times the difference of their ages. Given also that the sum of their ages is equal to 5 times the

    asked by HELP!
  65. science

    Why do human beings use running shoes,winter boots, skis, or flippers? Why are these not biological adaptations?

    asked by Delaney
  66. Polynomials and properties of exponenets

    In the expression -7x-3x^2+5 what is the coefficient of x A.7 B.3 C.-3 D.-7 Suppose you earned 6t+2 dollars on monday and 9t - 6 dollars on tuesday what were your total earnings simplify your answer. A.15t-4 B.15t+8 C.-3t-4 D.-3t+8 100^12/100^8 A.100 ^12/8

    asked by Help me
  67. English

    Hello. Dear Ms.Sue, I see you are online. You have helped me so many times. Will you please check some sentences for me (my teacher asked me to translate but I'm not sure whether it sounds normal and natural English). 1) "A thesis submitted for a doctoral

    asked by Ilma
  68. Chemistry

    A buffer was prepared by mixing 0.1 M ch3cooh with 0.1M ch3cooNa in the ratio 8:2. Calculate ph after the addition of 2mL of 0.1 M HCl? When you do the 8:2 ratio and add 2 mL of 0.1 M HCl, the buffer is gone and you are left with 1*10^-3 moles of ch3cooh.

    asked by Bobby
  69. south carolina history

    in 1965 congress adopted the voting right act. describe this act. in your description explain what lead congress to pass the act and describe at least too of the acts effects

    asked by mcclam
  70. Pre-Calculus

    Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work. 4x - y + 3z = 12 x + 4y + 6z = -32 5x + 3y + 9z = 20 Please help me..

    asked by Liz
  71. chemistry

    I was given the following problem: what is the normality of a solution containing 6 grams of H2SO4 in a 200ml solution? my teacher obtained a normality of 39normals while I took into account that I had two hydrogen free and obtained a result of 0.6 N,

    asked by Paul
  72. match

    If a lateral line ditch will store 800 gallons of water how long will it take for one inch of water to be absorbed?

    asked by Jeff
  73. Modulus function

    Calculate the coordinates of the points of intersection of the graph of y=|2x-3|-2 with the coordinates axes. The answer shows that: y=|2x-3|-2 When X=0, y=3-2=1 I don't get why it is 3, shldnt it be -3? And for modulus don't we have to do the positive and

    asked by Elizabeth Krasinski
  74. U.S. History Question

    What did the United States do in Afghanistan during the 1980s?

    asked by Victoria
  75. Pre-Calculus

    Find a polynomial with the zeros -1, 7, sqrt2, and -(sqrt2). Can this be f(x) = x^4 - 6x^3 - 9x^2 + 12x + 14?

    asked by Anonymous
  76. Mathematics

    1). Solve the following simultaneous equations. a) 3/x + 5/y = 4, 9/x + 4/y = 5 b) 3x +y - 1/2 = 2x -1/3 = 5x - 2y + 1/5

    asked by Aga Brown
  77. Chemistry

    Calculate the pH of a mixture of 20.0 mL of 0.150 M HCl and 10.0 mL of 0.300 M NaOH.​[7.00]

    asked by Sihle
  78. algebra

    Which function contains this set of ordered pairs? {(–2, –7), (0, 1), ( 3, –17)}

    asked by Anonymous
  79. history

    a two-third vote of both houses will pass a bill over the governor's veto true false ** if the house make changes the bill goes back to the original house for a vote true ** false

    asked by please help
  80. Prosbility

    One thousand raffle tickets are sold for 1 dollar each. One price of 800.is to be awarded. Rena Condos purchases one ticket? Determine her expected value Determine the fair price of the ticket 1/800 1 dollar

    asked by David
  81. Modeling our world

    In the Fall Semester, many high schools hold special events to welcome students back to school and to help the students new to the school get into the spirit of the new year. The Student Council decided to order spirit ribbons for all students to wear at a

    asked by Cindy
  82. algebra

    Harry drove for 6 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 6 more hours on country road. If his total trip was 624 miles, then what was his speed on freeway?

    asked by barbara
  83. physics

    A ladder leans against a slick wall (zero friction) with the foot of the ladder on level ground with a coefficient of friction of 0.06. The greatest angle from the vertical possible without the ladder slipping is: ? how would I set up this problem?

    asked by Asykes
  84. health

    List sources of internal pressure and external pressure

    asked by Alexandra
  85. Geometry

    Find the points of intersection of the line X+Y=5, and the circle x^2+y^2=25 by solving the system of equations.

    asked by Gen
  86. physics

    An aluminum plate of mass 0.1 kg at 95oC is immersed in 0.5 litre of water at 20oC kept inside an insulating container and is then removed. If the temperature of the water is found to be 23oC, then the temperature of the aluminum plate is ___________ oC.

    asked by Rohan
  87. 5th Grade Math - Urgent Part II

    Sorry my question got cut off. 2 to the 6th power times 5 to the 6th power equals 1,000,000. Is there another number that has the prime factorization 2 to the 6th power times 5 to the 6th power? Are you saying the other number that has the same

    asked by Lexi
  88. Science

    The electric field due to a charged conducting sphere of radius 10 cm , at a distance of 20 cm from the centre of the sphere is 1.5*10pow3 NC-1 and points radially inwards.what is the charge on the sphere ?

    asked by Himanshu
  89. Pre-Calculus

    Locate the foci of the ellipse. Show your work. x^2/36+y^2/11=1 c^2=a^2-b^2 c^2=36-11 c^2=25 c= ± sqrt25 c= ±sqrt5*5 is this correct?

    asked by Liz
  90. Science

    A force of 32.3 N is applied to a 5.87 N box resting on a table. If friction acts with a force of 2.11 N, what is the acceleration of the box?

    asked by Morgan
  91. Presidents

    What was Gerald Ford's biggest success during his presidency?

    asked by Victoria
  92. U.S. History (Check)(REED)

    Why were tactics of the non-violent civil rights movement influential in helping change people's minds about racism and/or stopping discrimination? A: Tactics of the nonviolent civil rights movement were influential in helping change people's minds about

    asked by Victoria
  93. algebra

    Which function contains this set of ordered pairs? {(–2, –7), (0, 1), ( 3, –17)}

    asked by Anonymous
  94. Mathematics

    In Alberta, ramps that are designed for people using mobility devices must meet certain safety requirements. One such requirement is that the angle between the ramp and the horizontal must be less than 4.8 degrees. Explain whether or not the ramp in the

    asked by Cameron
  95. Chemistry

    a 0.20 mol/l solution of weak base hpo4 has a ph of 9. find the Kb

    asked by Dawn
  96. Maths

    The sum of 2 numbers is 21 one of the numbers is 9 what is the other number

    asked by Nelia
  97. Calculus

    A base of a solid is the region bounded by y=e^-x, the x axis, the y axis, and the line x=2. Each cross section perpendicular to the x-axis is a square Find the volume of the solid

    asked by Hannah
  98. Real estate

    what is the total square footage of all apartments within a property called.

    asked by Bee
  99. Polynomials and properties of exponenets

    6t^3 x 6t^3 A.12t^3 B.12t^6 C.36t^6 D.36t^9 -3(4x+5) A.7x+15 B.7x-15 C.-12x-15 D.-12x+15 5k^2(-6k-2k+6) A.-30k^3+3k^2+30k B.30k^4-10k^3+11k^2 C.-k^4+3k^3+11k^2 D.30k^4-10k^3+30k^2 (-4x).9x^2 A.-36^3 B.-36x^2 C.5x^3 D.5x^2

    asked by PLEASE HELP MEEE
  100. math

    find the radius the angle of regular hexagan.

    asked by niti.
  101. U.S. History Question

    Why were the televised Birmingham protests influential?

    asked by Victoria
  102. Polynomials and properties of exponenets

    -3(4x+5) A.7x+15 B.7x-15 C.-12x-15 D.-12x+15 5k^2(-6k-2k+6) A.-30k^3+3k^2+30k B.30k^4-10k^3+11k^2 C.-k^4+3k^3+11k^2 D.30k^4-10k^3+30k^2 My answers are b and a please help me

    asked by PLEASE HELP MEEE
  103. Figurs and Numbers

    Dr.D spent 12% of his salary on transportation and 12% on house-rent.He then spent 25% of his remaining salary on his children's education.if her balance at hand is 2010 dollars,how much did he spend on education?

    asked by Dolon
  104. calculus

    Find the point on the line 4x+2y+5=0 which is closest to the point (-2,-1)

    asked by Anonymous
  105. Calc-Math

    Evaluate the limit using l'hospitals rule. lim->0 (3^x-6^x)/x. Do not know where to even begin on this one... please help.

    asked by Lisa
  106. maths

    A ladder, leaning against a wall, makes an angel 60¡ã with the horizontal. If the foot of the ladderis 2.5 m away from the wall, find the length of the ladder

    asked by Ayush Gupta
  107. math

    a^3=36.13 I know answer is 3.31 but how to calculate manually

    asked by alaka
  108. pub;ic speaking

    Which type of speech delivery is one that you are asked to deliver with little or no preparation? A. Extemporaneous B. Manuscript C. Impromptu D. Memorized

    asked by Anonymous
  109. Math-Calc

    limx->0 (3^x-6^x)/x please help here do not really know where to even start

    asked by Anonymous
  110. Pre-Calculus

    How do I find the domain of K(x) = x(32 - 2x)^2?

    asked by Anonymous
  111. Math

    The length of a rectangle is 15 m longer than 3 times the width. The perimeter of the rectangle is 74m .find the dimensions. answer in fractional form using mixed numbers

    asked by Brent
  112. math

    There were 800 turtles and rabbits in a pet shop. After selling a total of 192 animals, 3/4 of the turtles and 5/6 of the rabbits were left. How many rabbits were there at first?

    asked by linhui
  113. math

    If a room were 2m longer and 3m broader its area would have increased by 16 sq m. if its were 1 metre shorter and 2m broader . the area would have increased by 16 sq m. find its lenght and breadth ?

    asked by aman
  114. Pre-Calculus

    Assume that x, y, and z are positive numbers. Use the properties of logarithms to write the expression 2lnx - 6lny + 1/3ln e^12 as a simplified logarithm. Is this 2lnx - 6lny + 4, or can it be simplified further?

    asked by Anonymous
  115. Vocabulary

    Building and construction A. Nursing B. Architecture C. Teaching D. Statistics B?

    asked by quick help needed
  116. 数学

    找A和B从2x^4+3x^3+a(x^2+x)+b,2x^2+3x-2是个因式。谢了!

    asked by Elizabeth Krasinski Lee
  117. Prime Factorization - Urgent Please

    Use the prime factorizations of 24 and 28 to find their least common multiple. My answer is 2. Is that correct?

    asked by Lexi
  118. Math

    -1/9 + (-5/7) = A.) -3/8 B.) -52/63 C.) -6/7 D.) -61/63

    asked by None
  119. U.S. History (Check!)

    . During the 2000 election, it came down to a 400 difference in what state? A: Florida 2. Why was the United States involved in the Persian Gulf War? A: To expel Iraq from Kuwait, which has one of the largest oil reserves in the world, and protect our

    asked by Victoria
  120. U.S. History (Check!)

    1. True or false: The Watts Riot was a race riot in the Watts neighborhood. A: True 2. True or false: The Civil Rights Act of 1964 was the biggest civil rights law passed in the U.S. A: True 3. True or false: Malcolm X died of old age in 1983. A: False 4.

    asked by Victoria
  121. Wastewater Treatment

    In wastewater treatment, dimension the following pre-treatment unit for a wastewater treatment plant receiving a dry weather flow (dwf) of 18,000 m3/day. Assume that flow doubles during rain. A bar screen is used to remove the coarse waste. The rain water

    asked by Anonymous
  122. Geometry

    What is the sine of a 30 degree angle? I need help. I don't know how to do this. The answer choices I have must be the square root of the sine 30 degrees. Thanks! Jason Crocker

    asked by Jason Crocker
  123. Geometry

    31.Identify the Hypothesis of the statement below. If you are riding on a train, then it will stop at every station on the line. A.You are riding on a train B.It will stop at every station on the line C.You are not riding on a train D.It will not stop at

    asked by Sarah
  124. Math

    Hello! I just need someone to answer this for me really quick. What is the slope of a line that goes through (6, 5) and (3, 1)? a.) 3/4 b.)-3/4 c.) 4/3 d.)-4/3 Thank you so much! :)

    asked by Emma Jackson
  125. chemistry

    Calculate the loss in mass if 20.2g of KNO3 crystals was completely decomposed(K=39,N=14,O=16

    asked by Deborah
  126. Maths

    If alpha&beta are the zeros of the cubic polinomial kx square-5x+k. If alphacub+beta cube +gama cube is 27.find the value of.k.?

    asked by Navaneeth
  127. Reading

    Read this sentence. For people who are more comfortable with just one method to do something, this can seem a bit much. Which is the MOST vivid phrase to replace the last three words. a) rather overwhelming b) more than is necessary c) quite funny d) too

    asked by Val
  128. Math

    Diagonals of a kite angle abcde measure the following angles 1. ADC 2. ADB 3. DAC 4. DAB

    asked by Siyabonga
  129. Math

    How do I simplify this Complex Rational Expression? 1/x-1+1/x+1 over 1/x-1-1/x+1

    asked by Anonymous
  130. Mathematics

    If someone has an 88% in a class and their total quiz grade is 95%, if they were to have a 2% extra credit added to their grade, could their total grade become a 90%? // They think it may have a score similar to 8/5 or 9/5. This is just a regular question

    asked by Sandy East Ward
  131. Math

    What is the approximate volume of 175 I don't really get the question

    asked by Anonymous
  132. Polynomials and properties of exponenets

    6t^3 x 6t^3 A.12t^3 B.12t^6 C.36t^6 D.36t^9 -3(4x+5) A.7x+15 B.7x-15 C.-12x-15 D.-12x+15 5k^2(-6k-2k+6) A.-30k^3+3k^2+30k B.30k^4-10k^3+11k^2 C.-k^4+3k^3+11k^2 D.30k^4-10k^3+30k^2 (-4x).9x^2 A.-36^3 B.-36x^2 C.5x^3 D.5x^2 16. (2.2 . 10^-3) (4 . 10^-2 A.

    asked by Help me
  133. math

    jessica depoists 3000 in the bank. her money doubles in 12 years. how much was her intrest rate per year(assume annual compounding)

    asked by Zack
  134. Vocabulary

    Human population and groups of people A. Demographics B. Population C. Community D. Norms A?

    asked by quick help needed
  135. Physics

    Unit 7 Heat And Temperature

    asked by Kibru Kassa