Questions Asked on
August 29, 2013

  1. Physics

    Consider a radioactive sample with a half-life of one week. How much of the original sample will be left at the end of the second week? The third week? The fourth week?

    asked by Tracee
  2. chemistry

    Suppose you are asked to find the area of a rectangle that is 2.1-cm \rm cm wide by 5.6-cm \rm cm long. Your calculator answer would be 11.76 cm 2 \rm cm^2 . Now suppose you are asked to enter the answer to two significant figures. (Note that if you do not

    asked by Lindsey
  3. Calculus

    You have just opened a new nightclub, Russ' Techno Pitstop, but are unsure of how high to set the cover charge (entrance fee). One week you charged $9 per guest and averaged 165 guests per night. The next week you charged $10 per guest and averaged 150

    asked by Sydney
  4. College Physics II (Calc-Based)

    In state-of-the-art vacuum systems, pressures as low as 1.00 x 10^-9 Pa are being attained. Calculate the number of molecules in a 1.90-m^3 vessel at this pressure and a temperature of 35.0°C. Okay. So I know I have to use the Ideal Gas Law, PV = nRT, I

    asked by Andrew
  5. Reading

    All of the following statements about reading skills are true EXCEPT: A. Different activities require different types of reading. B. It is not always necessary to perform a thorough reading. C. It is best to use skimming when you look for specific

    asked by Vickie
  6. world history

    1. How does the story of Coca-Cola relate to the rise of capitalism and entrepreneurship in the 19th and early 20th c? 2. what is the "iron curtain"?

    asked by lena
  7. chemistry

    If 51J of heat is added to an aluminum can with a mass of 23.0g , what is its temperature change? Specific heat capacity of aluminum is 0.903 J/g∘C.

    asked by joe
  8. Physics

    A stone is thrown vertically upward with a speed of 19.0m/s How fast is it moving when it reaches a height of 10.0m

    asked by Lindsay
  9. economics

    explain why you are willing to supply the most bicycles at the highest price.

    asked by Tiffanie
  10. English

    What does architecture represent in the poem beowulf?

    asked by Christopher
  11. Maths

    Is (0, 3) a solution to the equation y = x + 3? I think yes. Is (1, −4) a solution to the equation y = −2x? I think no 3. Look at the following points. (4, 0), (3, −1), (6, 3), (2, −4) Which are solutions to y = x − 4? Choose all correct answers.

    asked by Jman
  12. algebra

    One hundred twenty-five tickets have been sold for an event at a local theater. If this represents 25% of the capacity for the theater, which of the following is the capacity? A. 156 B. 375 C.410 D. 500

    asked by Cisy
  13. math

    Titus deposited $1,508.49 in a savings account that earns 4.2% simple interest. What will Titus's account balance be in 8 months?

    asked by Brittany
  14. chemistry

    If 51J of heat is added to an aluminum can with a mass of 23.0g , what is its temperature change? Specific heat capacity of aluminum is 0.903 J/g∘C.

    asked by joe
  15. pharmacy compding

    how much active ingredient is needed to compound 18 lollipops if the formula is 5% active ingredient, 168g sugar,60ml Karo syrup (weighs 84g),60ml water. each lollipop should have 5% active ingredient

    asked by mae
  16. math

    Hi my son has a very hard time with math.I'm his mom and I'm not good at math.so I'm hoping that I can get help here cause I can't afford a tutor.please help him

    asked by azionte
  17. physics

    you walk north for 2.5 miles. Then you walk east a distance of 3 miles. How many miles from the starting point are you?

    asked by Abdullah
  18. REC120

    Khaldun's hierarchy of desires theory, what element is found at the pinnacle of the pyramid? Desires related to spirituality or Desires related to leisure or Desires for affiliation or Desire for safety or Desire to meet bodily appetites I think it is

    asked by Jazmyne
  19. Math

    420,983 +39,932 Estimate then find the sum

    asked by Sue
  20. algebra

    A person invested 20,000$ in stocks and bonds. Her investment in bonds is 5,000$ more than half her investment in stocks. How much did she invest in stocks? how much did she invest in bonds?

    asked by Haley
  21. Finance

    You wish to leave an endowment for your heirs that goes into effect 50 years from today. You don’t want to be forgotten after you pass so you wish to leave an endowment that will pay for a grand soirée yearly and forever. What amount would you like

    asked by Tameika
  22. 5th grade math help

    my mommy and daddy cant explain explain what is wrong with the reasoning number 5 is a composite number because it has the factors 2 and 2.5 i know its a prime number but i cant explain the answer to the question above.

    asked by daniel
  23. math last one help

    sally drew a factor tree of a composite number and ended up with 4x4x5x5x3 as the prime factorization. explain what is wrong with this factorization 1. what is the correct prime factorization? 2. what is the composite number that was factored?

    asked by daniel
  24. English

    I am doing my summer reading for 9th grade reading assignment & need to write about 10 passages from a variety of literary terms. Could you explain some of these terms?

    asked by Valerie
  25. Fractions,Decimals,Percents

    4/5=0.8=80% 27/100=0.27=27% 3/20=0.15=15% 8/9=0.88=88% 9/1000=0.009=00.9% 21/50=1.42=142%

    asked by Jerald
  26. Maths/Physics

    An athlete is training and is required to perform shuttle runs. From the starting position they sprint out to 10m (this takes 2 seconds). I know that a = 5m/s/s but I need to know at what metre within the run would maximum acceleration occur. Appreciate

    asked by Melody
  27. physics

    The chain is released from rest with a length b of overhanging links just sufficient to initiate motion. The coefficients of static and kinetic friction between the links and the horizontal surface have essentially the same value, μ. Determine the

    asked by lovely
  28. math

    Describe the difference between an open equation and a closed equation. And on my last quest did steve mean 4,0 and 3, -2?

    asked by Jman
  29. reading

    Which of the following statements about learning styles is false? A. An individual should study using techniques that utilize his or her preferred learning style. B. It is easier for an individual to learn using his or her preferred learning style. C.

    asked by Vickie
  30. accounting statistics

    Find the balance at the end of 6 years of $5000 investment in an account with a nominal annual rate of interest of 2.5% compounded quarterly over the first two years and then grows according to nominal annual rate of discount of 6% convertible monthly over

    asked by JM
  31. geometry

    Rhombus RHOM with acute angle H

    asked by Kashmir
  32. Latin Practice

    Will you please give me extremely basic sentences that I have to translate into Latin using direct objectums?

    asked by Bryce
  33. physital sciene

    How much force is exerted on a sled if the mass of the sled is 65 kg and the acceleration is 4m/s2

    asked by jjessica
  34. insurance

    Ordinary life insurance is another term meaning the same thing as: A. term life insurance. B. decreasing term insurance. C. whole life insurance. D. level term life insurance. i think c?

    asked by Vickie
  35. Calculus

    Differentiate: y=sin(2z)+cos^2z

    asked by Madison
  36. reading

    When trying new study techniques that appeal to your strongest learning style, you should expect which of the following? A. Learning will become more enjoyable and rewarding. B. You will see instant results. C. Both A & C. D. It will be challenging at

    asked by Vickie
  37. EDU-352

    What are five to seven movements in the field of educational technology that you believe the K-12 large, urban school district should pay attention to. Thank You,

    asked by Jake
  38. Algebra

    What is the difference between an open equation and a false equation?

    asked by Cassie
  39. CHEMISTRY HELP! D;

    1.Br2(g) + ___H2O(l) + ___SO2(g) ---> ___HBr(aq) + ___H2SO4(aq)

    asked by Unknown
  40. Reading

    What should you do before you begin reading? A. Review the introduction and conclusion. B. Ask yourself questions about what lies ahead. C. Study graphic aids. D. Both A & B. I think its A...?

    asked by Vickie
  41. trig

    if 60 m of fencing is available for a rectangular garden, one side of which is against a barn, what areb the dimensions of the garden that will give the maximum area?

    asked by Anonymous
  42. Grammar

    Replace with or replace for? Sentence: I want to replace algebra (with/for) trigonometry. If I use the word with, then does that's an I want trigonometry and not algebra? If I use the word for, then does that mean I want algebra and not trigonometry? Any

    asked by Anonymous
  43. AP Physics

    #2 A spy stands on the sidewalk by an apartment building examining a foreign embassy across the street. The spy then climbs 30 m to the top the building and then slides 40 m along a wire at a 20° angle below right to reach a window on the embassy. What is

    asked by dilated
  44. math

    Joe and his 7 friends share 3 liters of juice how much juice each friend gets

    asked by cris
  45. physics

    A commuter backs her car out of her garage with an acceleration of 1.6 m/s2. How long does it take her to reach a speed of 2.3 m/s in seconds

    asked by M
  46. science

    2 students were testing the amount of fertilizer that would best promote the growth of strawberries in a garden. What is an unavoidable error they can make during this process?

    asked by Paula
  47. Algebra 2 Reiny!

    Find the point of intersection. (-9/100)(x-10)^2+9=(-1/24)(x-12)^2+6 I don't understand how multiplying y = (-1/2)(x-12)^2 + 6 by 600 would yield -25(x-12)^2 + 3600 ? Is it supposed to yield -300x^2+7200x-43,200+3600?

    asked by Anonymous
  48. Algebra 2

    Find the point of intersection. (-9/100)(x-10)^2+9=(-1/24)(x-12)^2+6 I don't understand how multiplying y = (-1/2)(x-12)^2 + 6 by 600 would yield -25(x-12)^2 + 3600 ? Is it supposed to yield -300x^2+7200x-43,200+3600?

    asked by Anonymous
  49. Algebra 2

    Find the point of intersection. (-9/100)(x-10)^2+9=(-1/24)(x-12)^2+6 I got (16.6,0.04).

    asked by Anonymous
  50. chemistry

    You add 6.4g g of iron to 27.80mL mL of water and observe that the volume of iron and water together is 28.61mL mL . Calculate the density of iron.

    asked by Anonymous
  51. Chemistry

    Why does a pound of feathers float, but a pound of lead sink? Is it because of how dense each group is?

    asked by Serena
  52. palomino intermediate

    Math? If a circle has a diameter of 42in what is the radius

    asked by azionte
  53. math (long div.)

    please help me solve long division :( 1.)8 divided by 6984 (0.00114548) 2.)48 divided by 7584 (0.00632911) 3.)35 divided by 19933 (0.00175588) I know the answer to all of them but I don't know how to solve it the long way .

    asked by ty
  54. pRE ALGEBRA

    PROBLEM:A BALL WAS DROPS 27 INCHES AFTER THE FIRST SECOND AND THIRD BOUNCE THE HEIGHTS WERE 18 12 AND 8 hOW MANY DID IT TAKE TO GET TO 3 INCHES

    asked by ShadowKitty
  55. math

    the blueprint for landscaping a yard has a scale of 1/2'' to 1 foot.If the blueprint is a rectangle 18 inches by 22 inches, what are the dimensions of the yard?

    asked by emily
  56. Math

    There are two main classes of individuals who can affect the outcome of an experiment: Those who could influence the results Those who evaluate the results When all the individuals in either one of these classes are blinded, an experiment is said to be: A)

    asked by Jennifer
  57. math

    jim has a box in the shape of a rectangular prism. The area of the base of the box is 48 square inches. The volume of the box is 144 cubic inches. Let h = the height of Jim's box. Write and solve an equation you can use to find the height of Jim's box.

    asked by haley
  58. Math, HELP!! URGENT!

    Please Simplify: (1/8)(40v−24y)−(1/7)(21v−35y+9)−(1/6) (1/11)(55x−22)−(1/2)(18x−2v)

    asked by Lucas
  59. MGMT303

    1. (TCO 2) Organizations have both an internal and an external environment. Describe the general environment and give at least one specific example of each dimension, other than the examples given in the text and in the lectures

    asked by Simon
  60. Algebra I

    how do I graph the quadratic function in intercept form for y=(x+3)(x-5)

    asked by Ceedee
  61. Science

    stubborn: _____________ :: lively:animated

    asked by Gracie
  62. Physics

    An athlete is training and is required to perform shuttle runs. From the starting position they sprint out to 10m (this takes 2 seconds). Where would the maximum acceleration occur? Justify your answer. Please help! Thankyou.

    asked by Melody
  63. Algebra Two

    Use Interval Notation to define each interval: All real numbers at least 5 units from 8.

    asked by Amy
  64. math

    An investment earned interest of Php2,100 at the end of 3 years. How much was initially invested at 8% simple interest?

    asked by joan_asap
  65. physics

    the rubber cord of a sling shot has a cross section 2.0 millimetre squared, and an initial length of 20 centimetres. The cord is stretched to 24 centimetres to fire a small stone of mass 10 grams. Assuming that elastic limit is not exceeded, calculate the

    asked by karok
  66. Chemistry

    Heat 1kg of CaCO3, get 560g of CaO. Write the reactant equations and solve the mass of CO2 that born. The CaO is 100% pure. Anyone help me, pls?

    asked by Melly
  67. psych/600

    can anyone help me with the course for Axia college University of Phoenix

    asked by bejeweled
  68. Math

    3/10-1/10+4/10=

    asked by Kirk
  69. budgeting

    Emilio is employed as full-time mechanic in the service department of an auto dealer. In his spare time, he draws political cartoons and sells them to the weekly newspaper in his home town. He is paid $35 for each cartoon, which amounts to an additional

    asked by Vickie
  70. algebra

    what is perimeter of a rectangle when the length of g + 8 units and width of g - 6 units

    asked by Anonymous
  71. budgeting

    Which one of the following statements best describes what a budget is? A. A method of figuring out the inflation rate. B. An organized plan for spending money. C. A way to keep people from really enjoying life. D. A plan for saving money. I think its

    asked by Vickie
  72. math

    Angelo is paid double time for each hour he works over 40 hours in a week. Last week he worked 42 hours and earned $484. What is his normal hourly rate?

    asked by Kelsey
  73. budgeting

    After you have set your budget-related goals, the next logical step is to: A. figure out your expenses. B. make a budget worksheet. C. figure out your expected disposable income. D. try out your budget for a couple of months.

    asked by Vickie
  74. Please help biol

    Pick the correct answer to the following question. Write a brief statement explaining why each choice of answers is correct or incorrect. In diabetes mellitus, because of insufficient insulin production, glucose cannot enter cells. instead it accumulates

    asked by Talan
  75. Geometry

    How do you do the problem 4k+7(-4-2k)=-2(k-2) Please help me I keep trying and can't get the right answer thanks-steph

    asked by Stephanie
  76. budgeting

    Financial advisors generally figure that one's disposable income will be _____ percent (%) less than the gross income. A. 5 - 10 B. 10 - 20 C. 20 - 30 D. 40 – 50 I think its A or B because usually its 10%....

    asked by Vickie
  77. economics

    explain how and why this affects the quantity of ice cream cones demanded by consumers.

    asked by Tiffanie
  78. Grammar

    When do you use... Replace with Replace for

    asked by Anonymous
  79. budgeting

    Jamal currently earns $20,000 a year in gross wages. On January 1, he is due to receive a 2% COLA. What will his gross income be after the COLA takes effect? A. $19,600 B. $20,100 C. $20,400 D. $24,000 I think its c...

    asked by Vickie
  80. college algebra

    how to solve this x^2-14+49=16

    asked by jordan
  81. AP Chemistry

    A 12 g sample of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 27.6 g. What was the mass of iron in the sample of ore? Answer in units of g

    asked by Gabriella
  82. Algebra 2

    prove or disprove the following statement. Irrational numbers of the form a+√b are closed under multiplication where a and b are natural numbers

    asked by Moore
  83. math

    joshan bought 78 stickers she bought 4stripsof 10 and some singles how many singles did he buy

    asked by sam
  84. math

    if 60 m of fencing is available for a rectangular garden, one side of which is against a barn, what areb the dimensions of the garden that will give the maximum area?

    asked by christine
  85. math

    one positive integer is 3 more than another. the difference of their reciprocals is 1/6. find the twonumbers.

    asked by christine
  86. Math: please help

    what is an equation of the line in slope intercept form? m=2/7 and the y-intercept is (0,-12) A.) y=2/7x+12 B.) y=2/7x-12 C.) y=12x-2/7 D.) y=12x+2/7 I think the answer is C or D. I help. I don't really know how to do it. Thank You.

    asked by Cassie
  87. Chemistry

    Styrene is a hydrocarbon. If .438 g of the compound is burned and produces 1.48 g CO2 and .303 g of H2O what is the empirical formula of the compound?

    asked by Anonymous
  88. Precalculus

    Solve for a. a/a+5 - 2 = 3a/a+5

    asked by B
  89. MATH I NEED HELP

    1.If f (x)= square root x^2 -1 and g (x) = square root x-1 , which expression represents f (x)/g(x) for x >1 ? A. square root x-1 B. square root x C. 1 square root x+1 D.square root x+1 My answer was D. 2. f (x)=x^2 +3 upward 10 units A. g (x)= (x +13 )^2

    asked by Queta
  90. perimeter understanding

    What is the perimeter of the quadrilateral rectangle with. 25cm up and down and 8 cm across

    asked by azionte
  91. Algebra 1

    Rewrite the following equation in slope-intercept form x-5y=5

    asked by Sergio
  92. MATH

    You have a bag of marbles containing 13 red marbles, 8 green marbles, 7 yellow marbles, and 7 blue marbles. What is the probability of drawing a green marble, putting the marble in your pocket and then drawing a yellow marble?

    asked by Kim
  93. Finance

    Jean will receive $8,500 per year for the next 15 years from her trust. If a 7% interest rate is applied, what is the current value of the future payments? I get a rounded sum of $200,180.

    asked by Roberta
  94. Math

    19+ 25/5 - (2+6) = 5+ (8-3)^2 X (8+1) =

    asked by Kirk
  95. math

    the blueprint for landscaping a yard has a scale of 1/2'' to 1 foot.If the blueprint is a rectangle 18 inches by 22 inches, what are the dimensions of the yard?

    asked by emily
  96. english

    choose the plural noon that's spelled correctly. Pianoes, Fathers-in-law, Editor in chiefs.

    asked by lisa fuller
  97. Math

    I need help on finding the median, and I'm not quite getting it. Question : Find the median of 3,6,7,9,9,10 I am thinking 8 because 7+9= 16 ---- 2 So, I am diving 16 by 2 which is 8. It is one of my answer choices though. Thanks

    asked by Ti'Nazia
  98. English

    Why use a Epithet or kennings in Beowulf?

    asked by Christopher
  99. Physics URGENT HELP

    An athlete is training and is required to perform shuttle runs. From the starting position they sprint out to 10m (this takes 2 seconds). Where would the maximum acceleration occur? Justify your answer. Please help! Thankyou.

    asked by Melody
  100. calculus book

    sorry i am new to this website. Do any of you know any website that offer free or cheap online book. Calculus Early Transcendentals, 10th Edition NEW! Howard Anton, Irl C. Bivens, Stephen Davis THANK U.

    asked by maRia
  101. Algerbra

    -2n=-46

    asked by Casey
  102. Algerbra

    2(4-2r)=-2(r+5)

    asked by Casey
  103. Algerbra

    2b=-16

    asked by Casey
  104. Algerbra

    3/4t-5/6=2/3t

    asked by Casey
  105. Geometry

    Two angles are supplementary if the sum of their measures is 180∘. If the measure of one angle is 16x degrees, represent the measure of its supplement as an expression of x.

    asked by Ruben