Questions Asked on
August 19, 2015

  1. Chemistry

    A mixture of C3H8 and C2H2 has a mass of 2.5 g . It is burned in excess O2 to form a mixture of water and carbon dioxide that contains 1.5 times as many moles of CO2 as of water. Find the mass of C2H2 in the original mixture.

    asked by Sunny
  2. Math

    The mass of Pluto is approximately 1 × 1022 kg, while the mass of Neptune is approximately 1 × 1026 kg. Which of the following is true? The mass of Pluto is approximately one thousand times that of Neptune. The mass of Neptune is approximately one

    asked by Anonymous
  3. Math

    There are 12 pieces of fruit in a bowl.7 are apples 2 are peaches.What is the probability that a randomly selected piece of fruit will not be an apple or a peach?Justify your answer.

    asked by Brooke
  4. Algebra 2

    A store has sales of $500 in their first month. If sales increase at a rate of $10 each month, they can be modeled by this equation: es002-1.jpg Use summation notation to model and evaluate the sales for the first ten years. Explain your steps.

    asked by Anonymous
  5. social studies

    Which of these is an example of price competition? A a new advertising campaign B a loyalty rewards program C a special holiday sale (?) D a customer satisfaction survey

    asked by nina
  6. math

    what are the roots for x^3-13x-12?

    asked by Tameka
  7. Math

    Given that

    asked by Chanel
  8. Life Orientation

    In about one page describe a recent service delivery protest in your community and in neighbourhood

    asked by mike
  9. social studies

    For what main reason do consumers buy goods and services? A to make money to save for later B to show show support for free trade C to help grow the economy D to satisfy their wants and needs(?)

    asked by nina
  10. Geometry

    Line TV bisects

    asked by Robert
  11. Math

    (05.01)A scale drawing of a living room is shown below: A rectangle is shown. The length of the rectangle is labeled 3 inches. The width of the rectangle is labeled 5.5 inches. The scale is 1 to 30. What is the area of the actual living room in square

    asked by Anonymous
  12. social studies

    Which type of economic institution works to provide services to a community and does not pay taxes? A bank B market C non-profit D labor union (?)

    asked by nina
  13. Chemistry

    A buffer is made by mixing 100 mL of 0.25 M acetic acid (CH3COOH) and 150 mL of 0.10 M sodium acetate (CH3COONa). Calculate the pH of the solution after 0.5g of solid NaOH is added to the solution (Given Ka (CH3COOH) =1.8 x 10-5)

    asked by Jaden
  14. Trig

    Find all solutions of the equation in the interval [0,2pi). 2sin theta+1=0. Write answer in radians in terms of pi.

    asked by James
  15. social studies

    A company in China manufactures basketballs. A company in the United States buys the basketballs and resells them to people there. What term best describes the U.S. company? A importer B exporter C producer D consumer (?)

    asked by nina
  16. math, science, everything else for 10th grader

    If sec x = 17/8; verify that 3 - 4sin^2x /4cos^2x -3 = 3- tan^2x / 1-3tan^2x.. I have used x in place of theta. It isn't multiplication symbol.. ^2 means to the power 2. Pls help

    asked by Agile
  17. Geometry

    If line PQ bisects with Line ST at R. SR = 3x +3 and ST = 30 Find x I come up with x being 9 to equal 15 but the choice for answers are: x=8 x=6 x=4 x=2 What am I doing wrong?

    asked by Jonathon
  18. Math

    I have 5 problems. Write a mathematical expression to represent each situation. Then find the value of the expression to solve the problem. 1. You play a game where you score -6 points on the first turn and on each of the next 3 turns. What is your score

    asked by anon
  19. Science

    4. Which geographic feature marks the last natural obstacle for Georgia's rivers on their way to the Atlantic Ocean? A) the Floridian Aquifer B) the Vally and Ridge region C) the fall line D) the Marshes of Glynn I got A but I'm not sure if it's right

    asked by SarA
  20. Mzamba C.H.S

    What can I be If I do pure mathematics, english Home Language, Life sciences,Agricultural technology,Life Orientation and Isixhosa FAL

    asked by Zee
  21. English

    Can someone tell me why the novel Fahrenheit 451 has a dystopia society?? Can you give some examples please? thanks

    asked by Penelope
  22. Math grade 4

    Write a number pattern for 6 starfish if each had five arms. How many arms would those starfish have in all? Final number I am trying to get is 30. Can't get any definite pattern to work. Applying 1,2,3,5,6...pls help!!

    asked by Irena
  23. Math

    Susan wants to use blue, yellow, green, and pink paint to decorate her house. She needs 3 times as much blue paint as yellow paint and 1/2 as much yellow paint as green paint. She needs 3 1/4 gallons of pink paint, which is 3/4 of a gallon more than the

    asked by Anon
  24. Mathematics

    A company manufactures two products X and Y by means of two processes A and B. The maximum capacity of process A is 1750 hours and of process B 4000 hours. Each unit of product X requires 3 hours in A and 2 hours in B, while each unit of product Y requires

    asked by Anonymous
  25. Math

    Raquel is mowing her rectangular lawn. The area of her lawn is 800 sq.ft The width of her yard is twice as long as the length of the yard. How wide is her yard? How long is her yard?

    asked by Anonymous
  26. Social Studies

    Which of the following are impacts that the temperate climate has had on Georgia’s development? encouraging crops with longer growing seasons drawing immigrants from other locations encouraging tourism all of the above*** Is that correct?

    asked by Amber
  27. Physics

    A concert hall of volume 2000 m3 contains air at a temperature of 25 ◦C and relative humidity 80 %. Given that the density of water vapour in saturated air at 25 ◦C is 22.8 g/m3 and that the temperature and pressure of the concert hall remain constant

    asked by Anonymous
  28. MATH

    Express 12g as a decimal of 60g

    asked by ID
  29. Math-unit rate

    Molly walks 1 1/2 miles in 3/5 hour. What is the walking rate?

    asked by L
  30. Geometry

    The endpoints of a diameter of a circle are A(2,1) and B(5,5. Find the area of the circle in terms of pi.

    asked by Chip
  31. G ss jikowyi subject physics

    Subject physics a spring 20m long is streched to 25cm by a load of 50n ? What will be his length when strench to 100n assuming that the elastic limit is not reached

    asked by Mercy
  32. science

    Which of the following nitrogenous bases is found exclusively in DNA? A. Adenine B. Cytosine C. Guanine D. Thymine i think it's D

    asked by Mike
  33. Math

    A boy's test grades are 68 , 72, 78, 80 and 86. What grade must he get on his next test to make his test average exactly 75?

    asked by Pat
  34. Math

    Convert 24 fluid ounces of juice to cups, if 1 cup= 8 fluid ounces. Is this answer correct? 3 cups

    asked by Amy
  35. English

    So what i have to do is get two articles that are local news and they must come from July and August. It must be approximately be 1000 words and must come from a major newspaper or news magazine. So i have been searching up in the new york times but you

    asked by Penelope
  36. physics

    A wooden box is being pulled 10m from its original position along a horizontal surface by constant force of 25N calculate the work done on the box if the force is applied horizontally, and the force makes an angle of 37°.

    asked by ann
  37. math

    You get one spin.what is the probability of spinning a number larger than 6 out of 8.

    asked by devin
  38. Dimensional Analysis Chemistry

    want someone to check if this is right, Q: The concentration of lead in drinking water in a home was found to be 2.1x10-9 M. What is the concentration in ppm? ppb? MM=207.2 g/mol. 1 ppm = 1 mg/L. A: 2.1x10^-9 mol/L x 207.2 g/ 1 mol x 1000 mg / 1 g =

    asked by paul
  39. Calculus 1

    Find an expression for a cubic function f if f(1)=8 and f(-1)=f(0)=f(2)=0

    asked by TayB
  40. Social studies

    How have the Piedmont region's physical features influenced its local economy? my answer A. In places, it has rocky soil that is better for manufacturing than farming.*** B. The hilly land makes it difficult to transport goods, which limits economic

    asked by help plzplzplz
  41. Math

    In a 36-minute gym period, 24 boys want to play basketball. If only 10 can play at the same time, and each boy plays the same amount of time, how many minutes does each boy play?

    asked by Pat
  42. Social Studies

    10)Which of the following regions generally has the lowest elevation in Georgia? A the Appalachian Plateau B the Coastal Plain*** C the Piedmont D the Blue Ridge Mountains Is this correct?

    asked by Amber
  43. Math

    At the beginning of the summer Molly decided to add a little money into her savings account every week. After seven weeks her account had $175. At the end of 15 weeks her account had $375. Assumed that she put the same amount of money into her savings

    asked by Christy
  44. Math

    I need a step by step solution to this problem. I'm preparing for the GKT and I can't remember how to solve these problems. This is just a sample question from the gkt practice packet. A building 51 feet tall casts a shadow 48 feet long. Simultaneously, a

    asked by Amanda
  45. Science

    The combustion of a compound which contains only C and H yields 2.58 g of CO2 and 0.53 g of H2O. What is the empirical formula of the compound? Molar mass of CO2= 44.01 Molar mass of H20= 18.01 2.58g/44.01=0.586 mol CO2 .53g/18.01=.0294 mol H2O I Don't

    asked by Jordan
  46. Science

    Explain how you would design an experiment to text your hypothesis.

    asked by Jasiel
  47. Math

    A girl had 20 coins in nickels and dimes whose Sun was $1.40. She spent 65¢ using 8 coins. She has __ nickels.

    asked by Pat
  48. Math

    what are the mixed numbers of 1364/93 & 17765/646

    asked by Chung
  49. Math (Probability)

    In a random poll of science students, it was determined that 90% of students submitted tests before the deadline. In a random sample of 75, what is the probability that exactly 10 submitted after the deadline? What is the probability that less than 10

    asked by Meghan
  50. Physics

    A bird watcher meanders through the woods, walking 1.07 km due east, 0.533 km due south, and 4.62 km in a direction 50.1 ° north of west. The time required for this trip is 1.451 h. Determine the magnitudes of the bird watcher's (a) displacement and (b)

    asked by Anonymous
  51. math

    ek sankhya a b se 40% kam hai b a se kitne pratisat adhik hai

    asked by Anonymous
  52. Pre-Calculus

    How do I solve these equations? I need to create an equation given the characteristics? I have to be able to graph a parabola but first I need help solving this. 1.Focus (1.5,1); opens right; directrix x=0.5 2.Focus (1,4);opens down; contains (-3,1)

    asked by Stephanie
  53. Solid Mensuration

    A triangle has a base of 16 inches and an altitude of 8 inches. Find the dimensions of the largest rectangle that can be inscribed in the triangle if the base of the rectangle coincides with the base of the triangle.

    asked by Jean
  54. Math

    Simplify 2 +(5x4+3). I believe the answer is 25

    asked by Lost
  55. physics 2

    A circus performer stretches a tigthrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. He notes that it takes the wave 0.800 s to reach the opposite tower, 20.0 m away. If a 1.00 m length of the rope

    asked by apple
  56. math

    give the reason to justify each step a. 4c+3(2+c)=4c+6+3c b. =4c+3c+6 c. =(4c+3c)+6 d. =(4+3)c+6 e =7c+6

    asked by Mary
  57. english

    "we finished the homework very fast". how to convert this sentence into a passive voice?

    asked by shakthikomal
  58. boitumelong

    Eddie took 3over5 hours to finish a work but john finished the same work in 7over9hours who finished the work in less time .give reasons

    asked by sphe
  59. financial management

    Tribke Enterprises collected the following data from its financial reports for 2012: Stock price $18.37 Inventory balance $300,000 Expenses (excluding COGS) $1,120,000 Shares outstanding 290,000 Average issue price of shares $5.00 Gross margin % 40%

    asked by Ashley
  60. math

    A gallon of a certain kind of paint will cover 224 square feet of surface. In painting two walls; one 36' by 8' and the other 24' by 9', the number of gallons of paint used is: I'm sorry I don't really know what to do, could someone please explain?

    asked by Dalina
  61. Linear Systems and Statistics

    A camera store sells 40 pairs of binoculars per week on average with a standard deviation of 6. What is the probability that the store will sell more than 52 pairs binoculars in any week? 8.28% 3.57% 7.24% 2.28% 4.55%

    asked by Anonymous
  62. Math

    If there are 7 red cubes, 6 blue cubes, and 13 yellow cubes, what is the ratio red cubes to total cubes? ___ red: ____ total

    asked by Amy
  63. Math

    9. Explain how to solve 8 square+9(12 divided by 3 times 2) -7. (5 Points)

    asked by Gabby
  64. Physics

    5. A skier wearing a fully-body ski suit of surface area 1.8 m2 is losing heat by convective and radiation processes off the surface of the ski suit at a rate of 95 W. Given that the suit is filled with goose down 15 mm thick with a thermal conductivity of

    asked by Anonymous
  65. Calculus

    (2x + sin x)/x What is the limit as x approaches zero?

    asked by Anonymous
  66. Math

    How do I know if a graph has removable continuity, jump, or infinite? What is the difference?

    asked by Jordan
  67. crj220

    Taking what appears to be moral behavior and explaining it instead in terms of self-interest is a strategy known as

    asked by Anonymous
  68. algebra

    wright the slope-intercept form of the equation of the line described though:(-2,5), parallel to y=-9/2x+3

    asked by roseann
  69. Math

    How much larger than 1/9 of 3 is 2/5 of 1 2/3?

    asked by Pat
  70. Algebra

    Please help -1.8 - 3.9= A. -2.1 B. 5.7 C. 2.1 D. -5.7****** Please help -7+5= A. -2*** B. 12 C. -12 D. 2

    asked by Bubbles
  71. science

    Experiments cannot validate hypotheses, only falsify them. The statement above can be restated in which of the following ways? A. Until disproved, an explanation for an observation is valid. B. Certain concepts cannot be subjected to direct

    asked by Mike
  72. math

    Find period and phase shift and amplitude of y=10sin(x/4)-4pi)-5? The amplitude =10 Period=? Phase shift=?

    asked by eva
  73. Physics

    are water waves at the beach with a velocity of 1.75m/s and a wavelength of 3.213 and frequency of 1/1.84Hz considered fast?

    asked by Courtney
  74. physics

    a projectile is fired at 30 degree above the horizontal with an initial speed of 600 m/s. find the direction and magnitude of the velocity after 2 seconds?

    asked by don-don
  75. Algebra II

    Can you please let me know if this is the transitive or substitution property? If y = z, then y + 14 = z + 14 Thank you!!!!

    asked by Mom50
  76. Algebra

    I need help with the following question: (2 + p)(r+ 9) = (r + 9)(2 + p) Is this communtative property? Thank you very much for all your help.

    asked by Lori
  77. Math

    How do I do this _______ is 32% of 250

    asked by Lisa
  78. math

    Mbali has to add the following numbers but her calculator does not have a fraction key, help her to add numbers using her calculator 3 1/9;2 5/6-21/4;1 1/5

    asked by amira
  79. math

    all of the following are coordinates on the same straight line except: A) (0,2) B) (3,11) C) (5,15) D) (7,23) E) (x,3x+2)

    asked by James
  80. Criminal Law

    What should an investigator do if contraband that does not come under the present warrant is found in pursuit of items covered under the original warrant? A. Focus on the original warrant B. Seize the contraband under the present warrant C. Get a secondary

    asked by Sabxo
  81. Algebra II

    For the following, I believe I have the correct answers: 3 * 6 - 3 * 4 = 18 - 12 Substitution Property because you are substituting 18 for 3 * 6 If s = 3, then s * 2 = 3 * 2 Substitution Property because you are substituting 3 for the s Did I name the

    asked by Mom50
  82. math

    what are the roots of x^3+6x^2+12x+8?

    asked by Tameka
  83. math

    what are the roots for x^3+x^2-10x+8?

    asked by Tameka
  84. math

    what are the roots for x^3-2x^2-7x-4?

    asked by Tameka
  85. math

    what are the roots for x^4-6x^3+5x^2+12x

    asked by Tameka
  86. math

    what are the roots of -12x^2-x^3+x^4?

    asked by Tameka
  87. math

    what are the roots of x^5-10x^3+9x?

    asked by Tameka
  88. math

    what are the roots of x^3-3x^2+3x-1

    asked by Tameka
  89. math

    what are the roots od x^3+x^2-4x-4?

    asked by Tameka
  90. math

    okay i know i have not been showing my work and ya tellin me to use steve post as an example but i don't even kno what im doin to show ya any work and i don't understand this stuff this is my first time learnin it so can yahelp me wit one. to whomever this

    asked by Tameka
  91. algebar

    find the slope of a perpendicular to each given line y=-x-3 and y=x-4

    asked by gwen
  92. algebra

    find the slope of each line 9x+2y=-8 and y=0 thanks who can help me

    asked by gwen
  93. algebra

    what is the absolute value of -(33)

    asked by judy
  94. pre algebra

    what is the absolute value of -/-16/ thank you.

    asked by stella
  95. algebra

    wright the slope-intercept formof the equation of each line given the slope and y- intercept slope=4/5, y-intercept=2

    asked by kim
  96. algebra

    simplify each expression 44/9x-7/4+12/7x+1 I worked it out and just went to check it thank you

    asked by Ian
  97. algebra

    sket the graph of each linear inequality y

    asked by fred
  98. algebra

    wright the slope-intercept form of the equation of the line though the given points through:(4,4)and (3,5)

    asked by anthony
  99. Science

    Explain how you would design an experiment to text your hypothesis.it's about my pet birds.

    asked by Jasiel
  100. Math

    (8*2_10)_2*3 to the 7th power = 4374

    asked by Rachel
  101. math

    Find the domain of f(x)=5x-1/x^2+8x+15?

    asked by Jason
  102. math

    Find rhe critical poinu of y=3(x-2)^2+3.is it max or min?

    asked by Ema
  103. Please Read

    how many seasons are in a school year

    asked by Lily
  104. math

    last year kitbits made 2675 plastkits. this year 16% fewer will be made. how many fewer will be made?

    asked by ayla
  105. algebra

    Could someone please help. Consider the function 3x^2-7. Find f(-2). a) -1 b) 5 c) -5 d) 0 I think its a) -1 but not sure. Thank you for your help

    asked by jay
  106. Calculus

    (3x |x-2|) / x-2 What is the limit as x approaches 2 from the left side?

    asked by Anonymous
  107. statistics

    The CEO of ABC manufacturing commissioned a study to look at the differences between the current salaries of her employees by employee job title. There were three job categories: clerical, custodial, and managerial. The study collected current salary data

    asked by elizabeth
  108. MATH

    Good Evening Ms SUE, Frankly I tried the below some as you said but still I am not getting the answer still i am getting the same answer as option A. 2 1/6 n I know this is wrong Mam if you don't mind can you check n tell where i am wrong and correct me

    asked by GOUTHAM
  109. maths

    if 2-5t;1-t;t+1 are the first 3terms of an infinite converging geometric sequence,determine the values of t

    asked by molwantwa
  110. English

    I have a summer reading assignment for the high school I am going to be attending. I am reading Lord of the Flies, and I have to write a 4-essay paragraph on it. They are very specific about what they want on the essay. I already have two paragraphs done,

    asked by Isabelle
  111. math help

    (-1.15) x 3.2 = Please help me I have to use steps also.

    asked by ttng
  112. Math

    A common flea that is 2 to the negative force inches long can jump about to cubic inches high about how many times its body size 10 the flea jump

    asked by Nikki