Questions Asked on
May 14, 2016

  1. math (PLZ HELP ASAP)

    The students asked their math teacher to tell them her age. She didn’t want to tell them, but she replied, “If you take two years from my present age the result will be three times my son’s age, and seven years ago my age was twice what his will be

    asked by Anonymous
  2. Chemistry

    Consider the following system at equilibrium. CaCO3(s) mc032-1.jpg Ca2+(aq) + CO32–(aq) The addition of which compound will cause a shift in equilibrium because of a common ion effect? CCl4 CO2 CuSO4 Na2CO3

    asked by Haylie S
  3. math

    A pizza shop offers the toppings shown below. How many different 3-topping pizzas can you make? pepperoni mushrooms sausage onion ham 6 10 ** 4 5

    asked by gabby
  4. Chemistry

    Consider the reaction below. 2C6H14 + 19O2 mc032-1.jpg 12CO2 + 14H2O How many moles of hexane (C6H14) must burn to form 18.4 mol of carbon dioxide? 1.53 mol 3.07 mol 110. mol 175. mol

    asked by Haylie S
  5. Algebra

    For what values of a is the value of the binomial 2a−1 smaller than the value of the binomial 7−1.2a by 7?

    asked by Chris Cook
  6. maths(pls help me)

    A fair coin is tossed 400 times.Use the normal-curve approximation to find the probability of obtaining: a.Between 185 and 210 heads inclusive. b.Exactly 205 heads. c.less than 176 or more than 227 heads.

    asked by farahan
  7. Algebra

    For what values of p is the value of the binomial 1.5p−1 smaller than the value of the binomial 1+1.1p by 4?

    asked by Chris Cook
  8. Walk Two Moons

    Has anyone read the story walk two moons? If so, please help. where does Sal BEGIN to realize that her mother is really not returning? A) Lake Michigan B) Madison Wisconsin C) Pipestone Minnesota *** D) Sioux Falls, South Dakota please help, I've read the

    asked by Sally
  9. Math calculation

    A stock bottle contains 2.5 L of solution. How many 2 oz bottle can be filled using the stock solution?

    asked by Samantha
  10. math (PLZ HELP ASAP)

    Paula, Dianna and Annie are three friends. Paula is twice as old as Dianna, and in 2 years she will be three times as old as Annie. If Dianna is 5 years older than Annie, how old is Paula? please use algebra to justify your answer.

    asked by Anonymous
  11. chemistry

    For 109percent labelled oleum if the no. of moles of H2SO4 and free S03 be x and y resp. then whay will be the approx value of x+y/x-y (here / means division)

    asked by Rishav raj
  12. math

    Anyone please help me! Directions: Follow the instructions below to design a fair race for the new video game Animal Tracks. 1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to

    asked by Anna
  13. 6th grade math

    A single, standard number cube is tossed. What is the probability of getting a number greater than 3? A. 2/3 B. 1/3 C. 1/6 D. 1/2 I think that it's D because a standard number cube has 6 numbers, and if we could get a number greater than 3, three is half

    asked by Lily L.
  14. Life orientation

    Clearly describe a recent corruption and fraud case in the country making headline in the media: who the role players are who got involved,the extent to which it to other crimes,role played by the media and that of the state to deal with this crime

    asked by Thabang
  15. World History

    Winning which World War II battle allowed the Allied forces to protect strategic locations for trade and resources in the Mediterranean region? Battle of El Alamein**** Battle of Stalingrad Battle of Britain Battle of Midway

    asked by Jessie
  16. math

    by what approximate factor is the intensity of an earthquake with magnitude 5.4 greater than an earthquake with magnitude5.3?

    asked by austin
  17. Geometry

    What is the area of a regular pentagon with an apothem 14 inches long and a side 20 inches long? Round the answer to the nearest inch. Answer choices: 1400 in.^2 700 in.^2 175 in.^2 140 in.^2 Give work, not answer, please.

    asked by Jake
  18. Physics

    An elastic cord can be stretched to it's elastic limit by a load of 2n.if a 35cm length of the cord is extended 0.6cm by a force of 0.5n.what will be the length of the cord when the stretching force is2.5n

    asked by Paul lazarus
  19. math (Please help me out)

    An insurance company is reviewing its current policy rates.when originally setting the rates they believed that the average claim amount was 1800.00.they are concerned that the true mean is actually higher than this,because they could potentially lose a

    asked by Ras
  20. Chemistry

    Which represents the ionization of a strong electrolyte? CH3OH(l) mc015-1.jpg CH3OH(aq) K3PO4(s) mc015-2.jpg 3K+(aq) + PO43–(aq) H2CO3(aq) mc015-3.jpg H+(aq) + HCO3–(aq) CH3COOH(aq) + H2O(l) mc015-4.jpg H3O+(aq) + CH3COO–(aq)

    asked by Haylie S
  21. L.A.

    which statement best summarizes chapter 11, the Giver 1. Jonas and the Receiver read about snow and other types of weather not found in the community. 2. Jonas experiences tiny pinpricks of snow that touch his body and melt on his tongue. 3. The Receiver

    asked by Halp pls
  22. geometry

    You are putting hexagon-shaped tiles on the path through the garden. The tiles will be placed as in the diagram that's 8 inches. If the path is 12 feet long, how many tiles will it take to cover the path? The correct answer is 21. How did they get that

    asked by nino
  23. Math

    Brent counted 10 red cards, 10 black cards, and 20 blue cards in a deck of cards. What is the ratio of red cards to the other cards?

    asked by Elisa
  24. Math

    Nelly spends 25% of her free time surfing the Internet. If she spends approximately 1 hour per day surfing the Internet, how many hours of free time does she have each day?

    asked by Elisa
  25. chemistry

    Cobalt Chloride forms pink crystals.When they are heated,water is evolved and they turn blue. .Explain how we could use Cobalt Chloride as a test for water??

    asked by qurat-ul-ain
  26. chemistry

    2NO + O2 = 2NO2 How many grams of NO2 will be produced when 5.00 moles of NO react?

    asked by chrissy
  27. Math

    The time t required to drive a certain distance varies inversely with the speed, r. If it takes 4 hours to drive the distance at 40 miles per hour, how long will it take to drive the same distance at 55 miles per hour? a. about 2.91 hours b. about 160.0

    asked by jimmy mic dimmy
  28. math

    What are the solutions to the systems? y=x^2+6x+7 y=-x+13 A. (-1,14) and (6,7) B. (-1,7) and (6,14) C. (-1,13) and (6,7) D. No solution

    asked by Help me please.
  29. Geometry

    TAN (?) = 15 What is the missing value to the nearest hundredth? My guess is 86.19. :)

    asked by Pete
  30. Maths

    In a basket of apples and oranges. 15% of te he fruits are rotten. 30% of the apples and 10% of the oranges were rotten. Find the ratio of the number of apples to the number of oranges.

    asked by Bennett
  31. language

    think about the work you completed in your reading role determine the ideas that would be most worthy to share in a literary discussion about walk to moons provide an explanation for your choices how did the role you selected and the work you completed

    asked by avery
  32. physics

    a light pointer fixed to one prong of a tuning fork touches a vertical plate. The fork is set vibrating and the plate is allowed to fall freely. 8 complete oscillations are counted when the plate falls through 10cm. What is the frequency of the fork ?

    asked by please Help urgently
  33. PLZ HELP I NEED HELP ASAP

    Paula, Dianna and Annie are three friends. Paula is twice as old as Dianna, and in 2 years she will be three times as old as Annie. If Dianna is 5 years older than Annie, how old is Paula?

    asked by Anonymous
  34. Algebra Quadratic

    Find m if the line y=mx−2 intersects y=x^2 in just one point.

    asked by Chris Cook
  35. maths

    A sample poll of 100 voters chosen at random from all voters in a given district indicated that 55% of them were in favor of a particular candidate.Find confidence limits for the proportion of all the voters in favor of this candidate. a.95% b.99.73%

    asked by farahan
  36. physics

    a certain string vibrates in its fundamental frequency at 250 Hz. If the string is 15 cm long, what is the velocity of the wave in the string? What is the wavelength of the second harmonic frequency (the second wave which will fit into this length of

    asked by Jason
  37. accounting principles

    Success Systems had the following transactions and events in December 2015: Dec. 2 Paid $1,200 cash to Hilldale Mall for Success Systems’ share of mall advertising costs. 3 Paid $500 cash for minor repairs to the company’s computer. 4 Received $7,000

    asked by myrel
  38. Chemistry

    What is the gram solubility of Mg(OH)2 in a 0.55mol/L solution of KOH if the Ksp of Mg(OH)2 is 9.0x10^-12?

    asked by Brianne
  39. math

    You own two restaurants. From 1995 to 2000, the sales R1 (in thousands of dollars) for one restaurant can be modeled by: R1 = 480 – 8t – 0.8t2, t = 0, 1, 2, 3, 4, 5, where t = 0 represents 1995. During the same 6-year period, the sales R2 (in thousands

    asked by Anonymous
  40. Algebra

    What is the value of m, if the equation my^2+2y−4=0 has exactly one root?

    asked by Anonymous
  41. math

    If 25 dimes were moved from Box A to box B there would be an equal number of dimes in both boxes. If 100 dimes were moved from Box B to Box A, the ratio of dimes in box A to box B would be 7:2. What was the original number of dimes in Box A?

    asked by kkkkkkkkkkkkkkkkk
  42. Advance Math,Science

    The solubility of sodium chloride is 35.4g of water at room temperature. What mass of sodium chloride can be dissolved in 1kg of water at room temperature?

    asked by Tabbie
  43. math

    The variables x and y vary inversely. When y is 24, x is 8. What is y when x is 4?

    asked by Anonymous
  44. chem

    Calculate the enthalpy change for the conversion of 36.04 g of ice at -23.0 °C to water at 75.0 °C under a constant pressure of 1 atm. The specific heats of ice and water are 2.09 J/(°C . g ) and 4.18 J/(°C . g ) respectively. The heat of fusion of ice

    asked by fez
  45. Pre-cal

    Given that P=(-1,8) and Q=(-2,1), find the component form and magnitude of the vector 3 PQ.

    asked by Derek
  46. Chemistry

    If 845mL of a 2.5x10^-5 mol/L solution of Ni(NO3)2 was mixed with 195mL of a 4.86x10^-2 mol/L solution of KOH, would precipitate form? Calculate the ion product for the potential precipitate. The Ksp of Ni(OH)2(s) is 6.0x10^-16

    asked by Brianne
  47. Functions Math

    A car has 16 gallons of gasoline in its tank when it starts it's journey. On a long highway trip, gasoline is used at a rate of about 2 gallons per hour. The gallons of gas, "g", remaining in the car’s tank after "t" hours can be modeled by the function:

    asked by Anonymous
  48. Maths fractions

    A tank was 1/5 full .When another 700 ml of water was poured into the tank , it became2/3 full .Find the capacity

    asked by Chirag
  49. math

    a baker bakes bread and cake.he has 150 unit of A ,90 unit of B and 150 of C. One bread requires 1 unit of A ,1 unit of B and 2 unit of C. One cake requires 5 units of A, 2 unit of B and 1 unit of C. Find his maximum income if a bread sells for Tsh.350/=

    asked by stembrige
  50. Stats Homework Please Help!!!

    Statistics Homework Help! Statistics Question Political Contributions: Listed below are contributions (in dollars) made to the two presidential candidates in a recent election. All contributions are from the same zip code as the author, and the data are

    asked by Lexus
  51. maths

    I am greater than 24*4 My unit digits is less than my tens digit I am odd Tell who am i

    asked by gaurav
  52. Engineering

    What are few things that people want to know about electrical engineering??

    asked by Sarah
  53. Statistics Please HELP

    IQ Scores: Use the listed IQ scores. IQ tests are designed so that the mean IQ of the population is 100. Does the sample mean suggest that the sample is consistent with the population? IQ: 96 89 87 87 101 103 103 96 127 126 101 96 93 88 94 85 97 114 113

    asked by Lexus
  54. Math help.

    What are the solutions to the systems? y=x^2+6x+7 y=-x+13 A. (-1,14) and (6,7) B. (-1,7) and (6,14) C. (-1,13) and (6,7) D. No solution I think its D.

    asked by Anonymous
  55. Science

    Calculate the density of a 45g nickel weight and a volume of 22 cubic centimeters.

    asked by Austin
  56. calculus question ?

    I just can't wrap my head around this. I don't know if this is true I just came to conclusion with this if the limit of x--> +/-inf = L (if the limit of x going to pos/neg infinity gives you a number L) does that mean that L is a horizontal asymptote ? if

    asked by AMELIA
  57. math

    In a box contain 4 green balls 4 white balls and 4 red balls .If 4 balls are drown randomly what is the probability that no one even out of the 4 balls being white.

    asked by Amit sahu
  58. Math

    Find g(2) – f(2) Use f( x ) = 2x – 1 and g( x ) = x + 5

    asked by Anonymous
  59. Math

    6t^3x6t^3 A. 12t^3 B. 12t^6 C. 36t^6 D. 36t^6 Is the answer C? Thank you

    asked by Wallflower
  60. Physics

    A net force of 20N acts on a 5kg object.Determine how far the object travels starting from rest to acquire a speed of 8m/s

    asked by Anonymous
  61. PLZ HELP I NEED HELP ASAP

    The units’ digit of a two-digit number is 7 more than the tens’ digit. If 26 is added to the number, the result obtained is five times the sum of the digits. Find the number.

    asked by Anonymous
  62. math

    A body is thrown vertically upwards having the velocity of 10m/s. It's velocity when it touches the ground is

    asked by piyush singh
  63. science

    give five application of Doppler effects

    asked by Anonymous
  64. Maths -Logarithm

    Q) what is the hundreds digit in 3^3^3? What are the steps in simplifying this number? Ty

    asked by Jane
  65. Maths

    A windscreen wiper of a vehicle clears out an angle at 108 degree.what is the area

    asked by Mathew
  66. math

    500bottles contains 10 bottles that are defective.3bottles are selected,random,without replacement.a)what is the probability that the third one selected is defective given that the first was okay and second one selected was defective?b)what is the

    asked by koro
  67. Informaton Technology

    Explain how each of the following contributes to the overall performance of a computer system and mentioned how it is done. (a) System optimisation (b) Component optimisation

    asked by Sherzz
  68. Informaton Technology

    Why is system Burn-in important?

    asked by Sherzz
  69. Informaton Technology

    How does BIOS optimisation affect the performance of the computer system, and how it is done?

    asked by Sherzz
  70. Informaton Technology

    Differentiate between PIO and DMA and explain a means to perform Disk optimisation.

    asked by Sherzz
  71. math

    what is the surface area of a cube with side lengths that are 2/3?

    asked by mhysa
  72. English

    Posted by rfvv on Wednesday, May 11, 2016 at 7:11pm. 1. Don't eat food if the expiration date has passed. 2. Don't eat food whose expiration date has passed. 3. Don't eat the food whose expiration date has passed. 4. Don't eat spoiled food whose expiration

    asked by rfvv
  73. English

    1. He works at the Supreme Court. 2. He works at the supreme court. 3. He is a judge of the High Court. 4. He is a judge of the high court. 5. He is a judge of the District Court. 6. He is a judge of the district court. 7. There are several District Courts

    asked by rfvv
  74. Governmental and Not-for-profit Accounting

    Despite the guidance provided by Statement No. 14, what might be the three reasons that drive inconsistent application

    asked by Patte
  75. math

    Can you help me? For the problem .6 is 266 2/3% of what number? would I change 266 2/3% to a decimal and put it over 100?

    asked by Jack
  76. Chemistry

    If the temperature of argon gas is 400 K and the average velocity of argon is twice that of radon what is the temperature of radon gas?

    asked by Cornelius
  77. Physics

    'A push broom consists of a 1.70 metre long handle with mass with mass 0.825kg, with a 0.500m wide brush with mass 0.420kg attached to the end of the handle' 'Treating both the handle and the brush as thin rods, find the moment of inertia I of the broom

    asked by Cummins
  78. SCIENCE

    A BOX HAS A BASE SURFACE AREA OF25cm2 AND THE WEIGHT OF 100N.CALCULATE THE PRESSURE IT EXERTS ON THE GROUND.

    asked by JOY
  79. Math

    Determin x if f(g(x))=0 for the following f(x) = 3x-2 g(x) =5x+5

    asked by Isaac
  80. Math

    There are 3000 bacteria in a day, if the number of bacteria double per 2 days , how many bacteria can we expect to have in 15 days?? My result was 44,999.99 which if rounded is 45,000,am i accurate? ?

    asked by Kiara
  81. math (pLZ HELP ASAP)

    The units’ digit of a two-digit number is 7 more than the tens’ digit. If 26 is added to the number, the result obtained is five times the sum of the digits. Find the number.

    asked by Anonymous
  82. Math

    f( x ) = 3x + 5 and g( x ) = -x + 9 Find: f( x ) – g( x )

    asked by Anonymous
  83. Math

    1. -x(5x-4) A.4x^2-5x B. -5x-4x C. 5x+4x D. -5x^2+4x 2. 5k^2(-6k^2-2k+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. 1.c 2. a Thank you

    asked by Wallflower
  84. Math

    -x(7x-8) A. 6x^2-9x B. -7x-8x C. -7x^2+8x D. 7x+8x Is the answer B Thank you

    asked by Wallflower
  85. Algebra

    Solve for t: t^6=8-t^3

    asked by Anonymous
  86. Pre-Calc

    If five girls and five boys stand in a circle, how many arrangements are possible provided they stand alternately (girl, boy, girl, boy, etc)?

    asked by Anonymous
  87. Science

    What happens to your speed velocity and acceleration as you run circular laps?

    asked by Stupid person
  88. College Pre-Calc

    a.)Determine the location of the turning points for the cubic y=x^3-3x^2+2x+10. What are the maximum and minimum values for this function? b.)Use the fact that a cubic is symmetric about its point of inflection to determine the location of the point of

    asked by Paige
  89. Math

    Solve this equation. (x)/(x-2) + (x-1)/(x+2) =-1

    asked by Booby bob
  90. maths

    if the angle of elevation of A from B is 65' what is the angle of depression of BB from A

    asked by smith
  91. Health

    Why is Oka cheese production important to Canada, or other countries around the world?

    asked by Thi
  92. English assignment

    Need help finding taboos in the 21st century

    asked by Matt Damon
  93. geometry

    quadrilateral ABCD is a trapezium iff its diagonals intersect each other in the same ratio .proof this

    asked by Anonymous
  94. Math

    The student mr. Davis class either walk or ride the bus to school the number of students ride the bus is a tenant in the number of students who walk is 12 is there a 450 students in the school how many students total can you expect to ride the bus

    asked by Danny
  95. ALGEBRA

    4x+6=8

    asked by MULATA
  96. Maths

    A cylindrical container has a base radius of 6m and lenght is 17m. calcuateits -total surface areas -curved surface areas -volume

    asked by Sophia Daniel
  97. science

    Write a structural program to calculate the average of 10 students in 3 courses. Hint score < 40 fail

    asked by olu
  98. math

    there's a circle inside of a square like this: donlehmanjrcom/Tai%20Chi/Tai%20Chi%20Newsletters/excerpts11%20images/image001.png (add the period before the com) the circle has a radius of 2 in and an area of 12.56 in^2 how do i find the area of the space

    asked by vic