Questions Asked on
August 23, 2015

  1. calc

    A car travels along a straight road for 30 seconds starting at time t = 0. Its acceleration in ft/sec2 is given by the linear graph below for the time interval [0, 30]. At t = 0, the velocity of the car is 0 and its position is 10. What is the velocity of

    asked by Anonymous
  2. algebra

    1. write an algebraic expression for the word phrase: the quotient of r and 12 a.r * 12 b.r/12**** c.r-12 2. write a word phrase for the algebraic expression: 2t - 9 a.nine fewer than two times a number t***** b.nine fewer than two times a number t c.nine

    asked by someone
  3. Determining whether expired air contains carbon dioxide

    1.Formulate a hypothesis for this investigation 2.State the aim of this investigation 3. a)Independent variable b)Dependent variable c)Controlled variable 4.State methods and the control

    asked by Michelle
  4. Life Orientation

    What are the four environmental issues that can cause ill-health in my community

    asked by Nomfundo
  5. Math

    If a population grows at 8% per year, how long will it take the population to double?

    asked by Anonymous
  6. math 540

    12) Betty Malloy, owner of the Eagle Tavern in Pittsburgh, is preparing for Super Bowl Sunday, and she must determine how much beer to stock. Betty stocks three brands of beer—Yodel, Shotz, and Rainwater. The cost per gallon (to the tavern owner) of each

    asked by arla
  7. Algebra

    Solve. Show your work. A high school athletic department bought 40 soccer uniforms at a cost of $3,000. After soccer season, they returned some of the uniforms but only received $40 per uniform. What was the difference between what they paid for each

    asked by anon
  8. Differential calculus

    A gutter with trapezoidal cross section is to be made from a long sheet of tin 8 in wide by turning up one third of its width on each side , what width a cross the top that will give a maximum capacity

    asked by Grace
  9. Chemistry

    How long will it take for a 18.0-g sample of iodine-131 to decay to leave a total of 2.25 g of the isotope? The half-life of iodine-131 is 8.07 days

    asked by Jillian
  10. geometry

    on a town map ,each unit of the coordinate plane represents a mile. Three branches of a bank are located at A(-3,1) , and C (4,-1). A bank employee drives from branch A to branch B and then drives halfway to branch C before getting stuck in traffic. what

    asked by she
  11. alGEBRA 1

    write the possible range of each measurement . round to the nearest hundredth if necessary. 12lb positive then a mines under it 3% topic is accuracy and precision

    asked by aneshe
  12. Social Studies

    what general direction would you travel to go from georgia to florida? georgia to tennessee? georgia to texas? georgia to colorado?

    asked by Lily
  13. Algebra 2

    Standard form for both equation with steps 16x^2-96x+144+25y^2=400 16x^2+192x+576+25y^2=1600

    asked by Spence
  14. spanish

    Choose the correct response to each question or statement. 1. ¿Quién es? a. Es Hugo. b. Encantado. c. Me llamo Carlos. 2. Encantada. a. Le presento a Sergio. b. ¿Y tú? c. Igualmente. 3. Te presento a Juanita. a. ¿Cómo se llama? b. Mucho gusto. c.

    asked by fahime
  15. Physics

    A speeding motorists passes a stopped police car. At the moment he passes, the police car begins accelerating at a constant rate of 4.4 m/s^2. The motorist unaware that he is being chased, continues at a constant speed until the police car catches him 12s

    asked by Bob
  16. Math

    A box contains 8 white balls, 7 black and 4 red. How many red balls must be added to the box so that the probability is 3/4? How many black balls need to be added so that it is 1/4? Thanks I have a mental block with this.

    asked by Bella
  17. Science

    There can be several controlled variables. If an experiment is to be useful, only one variable at a time can be manipulated intentionally. All other variables must be controlled throughout all parts of the experiment. If more than one variable is altered,

    asked by anon
  18. MATH

    What are the odds in favor of randomly drawing the letter C from the letters in the word CANADIAN?The odds are from ____ to _____

    asked by Bella
  19. Introd to Stat

    A researcher conducts a test on the effectiveness of a cholesterol treatment on 114 total subjects. Assuming the tails of distributions are normal distribution, is there evidence that the treatment is effective? Cholesterol Decreased No Cholesterol

    asked by Anonymous
  20. Word problems

    A truck left midville at 2:00 p.m. for Carmine, traveling at 40 mil/hr. At 3:15 p.m. a car left Carmine for Midville at 55 mi/hr. The truck and car passed each other exactly 2 hours before the car reached Midville. How far is it from Midville to Carmine?

    asked by Rachel
  21. algebraic equations

    Gugu is 9 years older than Sam.In 3 years time Gugu will be twice as old as Sam.How old is Gugu now?

    asked by temera
  22. math

    a mother wants to invest 5000 for her sons future education. She invests a portion of the money in a bank certificate of deposit which earns 4% and the remainder in a savings bond that earns 7%. If the total interest earned after one year is $300.00,how

    asked by naomi
  23. Computer science

    use a modular approach and pseudo- code to design a suitable program to solve it. Allow the user to enter a series of temperatures in degrees Celsius (C) termi- nated by the input of −999. For each one, find the corresponding tempera- ture in degrees

    asked by Poohboi
  24. Maths

    The length of a rectangular field is 25 metres more than it's breadth. If the perimeter of the field is 430 metres,find the length and breadth of the field

    asked by Piyush
  25. life science

    what is the removal of trees without adequate replanting?

    asked by girly
  26. qoqisizwe high school

    Life orientation

    asked by snothando
  27. Electronic Privacy

    What does the Electronic Privacy Control Act of 1986 address? I know it has to deal with wiretapping and eavesdropping i'm looking for a summarized version of the act that isn't wiki also what was the rationale behind the act?

    asked by Sabxo
  28. critical maths problem need help!!!

    show that any !@#$%^&tion y(t)=acosx+bsinx ,satisfied the differential equation y^"+wy=0 and also find the value of (a) and (b)

    asked by edward
  29. Healthcare

    Identify 3 tools from the CMS website that are helpful to achieving the goals set forth by an organization?

    asked by Pamela
  30. Economics

    If south africa has a weak rand, is it a good or bad time for South Africans to travel?

    asked by Lebogang
  31. life orientation

    To which bad road use has a direct impacton the physical, emotional, social and economic, Aspects to the family, the community and the country.

    asked by Anonymous
  32. Cell Biology

    If three amino acids are bonded together linearly, how many molecules of water are produced?

    asked by Bri
  33. Algebra 2

    Someone please help me. Cycle Paths, Inc. makes bicycles, tricycles, and unicycles. Last week they made 88 more bicycles then unicycles, and five times as many tricycles as unicycles. If they made 40 more bicycles then tricycles, how many unicycles did

    asked by Jerry
  34. physics

    A stone is thrown straight up from the ground with an initial speed of 26.6 m/s. At the same instant, a stone is dropped from a height of "h" (a variable) meters above ground level. The two stones strike the ground simultaneously. Find the height "h" (a

    asked by Nate
  35. physics

    A car travels at a constant speed of 30 mph for 20 miles, at a speed of 40 fps for the next 20 miles, and then travels the final 20 miles at 90 kph. what is the average speed of the entire trip?

    asked by michelle
  36. Physics

    A conventinal light bulb is rated at 240 V (100 W).Ligths is emitted when the filament of the bulb gets whites hot.How many joules of energy does bulb transform each minute?

    asked by Fanih
  37. Maths

    Given the sequence:4;x;32.Determine the value(s) of x if the sequence is: 1.arithmetic 2.geometric

    asked by Irene
  38. georgia state history

    any ss tutor here who is good with ss georgia state history

    asked by rachel
  39. Math/Logic Puzzle

    Can someone please help me? Charlotte and Amy are picking strawberries. If Charlotte picks 6 dozen dozen strawberries, and Amy picks a half-dozen dozen strawberries, which hedgehog will pick the larger crop of strawberries? How many did they pick? Thank

    asked by Rachel
  40. life orientation

    four environmental that causes ill-health

    asked by zinhle
  41. Physics

    a block of mass 1500kg lying steady on horizontal surface of a table needs 200N horizontal force to come in motion. What is coefficient of static friction between the block and the surface of table

    asked by Janmesh patel
  42. Economics

    How is the state of domestic tourism if the Rand is strong

    asked by Mbali
  43. maths

    the numerator and denominator of a fraction are in the ratio 3:2 if three is added to the numerator and three is subtracted from the denominator a new fraction is formed whose value is 9/4 find the original fraction?

    asked by vinit
  44. maths

    the numerator and denominator of a fraction are in the ratio 3:2 if 3 is added to the numerator and 2 is subtracted from the denominator a new fraction is formed whose value is 9/4 find the original fraction?

    asked by vinit
  45. math

    can you show me a tessellation of circles and triangles

    asked by tape
  46. Algebra 2 geometry

    Pallelogram ABCD AB= 2x-y CD=7 BC= x+y AD=2 find x & y

    asked by haley
  47. English

    How would I use the word "Salvation" as a noun in a simple sentence? My first sentence was He gave salvation, but he is the noun in that sentence. My second sentence was Salvation was given.

    asked by Jessica
  48. Social Studies

    which of the following georgia counties is most likely to experience a direct hit of a hurricane? dooly, muscogee, or dade

    asked by Lily
  49. math analysis

    (1/a)+(2/a^2)=0 Solved for zero I'm unsure about the process to solve this, when I do it like my teacher says, it doesn't work. This is for an online advanced math class in which you get three tries to solve the problem. I have already used two. Any help

    asked by Hunter
  50. Math

    what is the probability of winning assuming that the order is unimportant when I must choose 4 numbers from the numbers 1 through 17

    asked by bonnie
  51. Math

    I need help for the rule for input 1/output 3, input 3/output 17, input 10/output 66, and input 6/output 38

    asked by Amy
  52. Calculus

    Find the limit as it approaches zero. ( f( x + change in x) - f(x) )/ change in x given f(x)=2x-5. ( change in x = triangle x)

    asked by Anonymous
  53. science

    an automobile of mass 1800kg takes a turn of radius 270m. If the force on the tyres to maintain the motion along the curve is not to exceed 630n, the limiting speed of the vehicle assuming no banking will be

    asked by sk
  54. Math

    Write an equation for the hyperbola. Vertices at ( -5,2) and (-1,2), passing through the point (-6,4) Could you be so nice and help me please:) I have still wrong answer and I have no idea where I'm doing mistake. My work: Horizontal transverse )( Center

    asked by Lucas
  55. unda geometry

    find the centroid of the area of the finite region enclosed by the curve y=x^(2)+1, when x-axis and the line, x=0 and x=3

    asked by edward
  56. unda geometry cerious need help urgently

    find the centroid of the area of the finite region enclosed by the curve y=x^(2)+1 when x-axis and the line x=0 and x=3

    asked by edward
  57. nyonithwele

    math: 38 learners at a high school,24play hockey,30play netball and 4play neither hockey nor netball.use venn diagram

    asked by brian
  58. Right byte

    where do inserted rows and columns appear on a worksheet?

    asked by Noor
  59. shree mahendra secondary school

    For a bathing person supplies 5×10^3Kj energy in 20 litre of water at 15°c temperature.What is the change in temperature of this water?

    asked by ritesh
  60. Math

    Decompose 28*6 to make it easier below. Paula had a block of cream cheese that was 2 inches wide, 5 1/2 long and 1 1/2 inches tall. Paula used 1/2 of the cream cheese in her recipe. How many cubic inches of cream cheese did she use?

    asked by LIZ
  61. Spanish

    Combina las palabras lógicamente. 1. la langosta a. la albóndiga 2. la salchicha b. el vino 3. el ají c. el pimiento 4. el caldo d. el bacalao 5. el sacacorchos e. la ensalada 6. hornear f. la toronja 7. los ingredientes g. cocer 8. la sal h. la sopa 9.

    asked by Bobby Smith
  62. Life oritation

    Assess the extent to which bad road use has a direct impact on the physic,emotion,social and economic aspects to the family,the community and the country

    asked by Sevhethani
  63. math

    Please, help me to solve this problems by Cramer rule Question number : 1. 5/x + 3/y = 19 2/x + 1/y = 7 Question number : 2. log x + 2 log y = 4 2 log x - 3 log y = 1 so confuse..

    asked by Iman
  64. Calculus

    F(x)=(2x-1)/ (|x| -3) Rewrite f(x) as a piecewise function. Then find the limit as it approaches positive infinity and negative infinity.

    asked by Anonymous
  65. life orientation

    extent to which bad road use has a direct impact on the physical

    asked by Caroline
  66. Math

    123 of the 300 students earned an A, what percent did not earn an A?

    asked by Ish
  67. Calculus

    If 2 < or = to f(x) < or = to x^2 + 2 for all x, find the limit of f(x) as it approaches zero.

    asked by Anonymous
  68. Dynamics

    A ball is launched up an inclined wall by a spring. The spring has a spring constant of 12.2 kN/m and is initially compressed 0.3m. The ball has a mass of 1.7 kg, a radius of 0.045m, and a moment of inertia of 0.0014kg*m^2. You can assume the ball rolls

    asked by Howard
  69. Physics

    A ball is launched up an inclined wall by a spring. The spring has a spring constant of 12.2 kN/m and is initially compressed 0.3m. The ball has a mass of 1.7 kg, a radius of 0.045m, and a moment of inertia of 0.0014kg*m^2. You can assume the ball rolls

    asked by Howard
  70. Maths

    If a function is defined by (x+3)=3x^2-x+4,find f(0)

    asked by Bright
  71. calculus

    y=2^nx differentiate with respect to x using the first principle

    asked by edward
  72. Math

    If a city of 10,000 experiences 60 births, 35 deaths, 40 immigrants and 25 emigrants in a single year, what is the city's population growth rate?

    asked by Anonymous
  73. Maths

    If a function is defined by (x+3)=3x^2-x+4,find f(0)

    asked by Ulubi
  74. math

    how do you turn a $13.75 into an improper fraction

    asked by sarah
  75. math

    Mr. Steve, thank you very much to answer my question on Sunday, 23 August at 1:44 pm. But please, show me how to get : Number 1 : 1. D = -1 Dx = -2 Dy = -3 Number 2 : 2. D = -5 Dx = -14 Dy = -3 Because the steps to know that is important for me. Please...

    asked by Iman
  76. Math

    If the current population is 7,361,920,000 and grows at approximately 1.14% per year, what will the human population be this time next year?

    asked by Anonymous
  77. Math

    If the current population is 7,361,920,000 and grows at approximately 1.14% per year, what will the human population be this time next year?

    asked by Anonymous
  78. Calculus

    F(x)=(2x-1)/ (|x| -3) Rewrite f(x) as a piecewise function. Then find the limit as it approaches positive infinity and negative infinity.

    asked by Anonymous
  79. math

    Please, help me to solve this problems by Cramer's rule Question number : 1. 5/x + 3/y = 19 2/x + 1/y = 7 Question number : 2. log x + 2 log y = 4 2 log x - 3 log y = 1 The Answer for number 1 : D = -1 Dx = -2 Dy = -3 The answer for number 2 : D = -5 Dx =

    asked by Iman
  80. Calculus

    If 2 < or = to f(x) < or = to x^2 + 2 for all x, find the limit of f(x) as it approaches zero.

    asked by Anonymous
  81. Math

    F(x) = x^2 +1 , x cannot equal 2 F(x)= 3 , x=2 What is the limit of f(x) as it approaches 2?

    asked by Anonymous
  82. English

    Is the sentence "Confiscation is legal." a simple sentence where "confiscation" is used as a noun?

    asked by Jessica
  83. Ss

    what are the major interstates in ga? how would i get to brunswick island, ga from lawrenceville ga? how many interstates run through atlanta? what interstates would i or could i take from kennesaw ga to get to south carolina? what three major interstates

    asked by rachel
  84. Calculus

    Graph the function f(x)= x sin( 1/x) and the equations y=|x| and y=-|x| in the same viewing window on your calculator. Then use the squeeze therom to find the limit of f(x) as it approaches zero. I graphed the function and equations, but I am confused on

    asked by Anonymous
  85. Algebra

    suppose a pendulum use to show the rotation of the earth has a period of approximately 16.9 seconds. What is the length using formula T=2pi sq root L/32

    asked by Roslyn
  86. University, subject science

    What is the difference between plasmid and chromosomal DNA? What is Mutant bacteriophage?

    asked by Madihanoor
  87. calculus: don't even no where to start from need help plz

    (1)find dy/dx of y if y=tan^(-1)1/x^2 (2) if y=3z^2.z^2 find dy/dz (3) if y=x^x show that dy/dx=x|n(x+1).. thanks

    asked by edward