Popular questions and responses by Tommy
  1. math

    you need 1 1/4 cups of sugar to make 20 cookies. to make 6 cookies, you need___ cups of sugar?

    asked on April 27, 2016
  2. English

    Combined the sentences by changing the italicized word group to an infinitvie or infinitive phrase (italicized word group) 1. The journalist took a job in the hotel. (This way he would get facts for an article. ) 2. Bob used raspberry flavor in the cod

    asked on April 8, 2011
  3. Physics

    What is the tension in the string in (Figure 1) ? The volume of plastic ball is 95 cm3 and the density is 840 kg/m3.

    asked on July 26, 2015
  4. Physics

    Hi, can anybody provide some hints in how to approach these questions? I've been stuck on it for days!!! Thank you in advance!! Nodes of a Standing Wave: Consider a standing wave, where y represents the transverse displacement of a string that extends

    asked on March 14, 2015
  5. Chemistry

    The temperature of a 12.58g sample of calcium carbonate increases from 23.6degrees celcius to 38.2 degrees celcius. If the heat capacity is 0.82J/g-K, how many Joules of heat are absorbed

    asked on June 18, 2013
  6. Word problems

    Jenny can shovel snow from her driveway in 60 minutes. Tom can do the same job in 55 minutes. How long would it take both of them together to shovel the drivway if they worked together. I am coming up with 28 minutes.. is this correct or is it in fraction

    asked on August 8, 2010
  7. Chemistry

    What reactions occur in the sun? Select all that apply. A: Fusion Occurs B: Helium is Consumed C: Hydrogen is Consumed D: Fission Occurs

    asked on September 6, 2019
  8. Physics

    In a 5.00km race, one runner runs at a steady 11.6km/h and another runs at 15.0km/h. How long does the faster runner have to wait at the finish line to see the slower runner cross?

    asked on June 12, 2015
  9. statistics

    The distribution of scores on the SAT is approx. normal with mu= 500 and std dev=100. a)what proportion of the population have SAT scores above 650? b)what proportion of of the population have SAT scores below 540? c)what is the minimum SAT score needed to

    asked on February 7, 2008
  10. math

    1. In the middle of the page, draw two vertical lines an inch long, an inch apart, and that are parallel to each other. 2. About a half inch below the lines,draw a half inch horizontal line that is centered between the lines 3. Draw a line from the bottom

    asked on July 30, 2019
  11. Physics

    An electron enters a region of space where the potential difference between two equipotential surfaces are 12 cm apart. One surface has a potential of 120 volts and the other potential of 75 volts. What is the magnitude and direction of the electric field

    asked on September 7, 2010
  12. math

    There are 24 students in a class. If 1/4 students wear glasses. How many students do not wear glasses? I multiply 24(1/4)=6 so 24-6=18 so is 18 students correct?

    asked on October 26, 2016
  13. Math

    An art class is planning to paint a rectangular mural with an area of 60 square feet. It has to be at least 4 feet high but no more than 6 feet high. The length and width have to be whole numbers. List all possible lengths for the mural.

    asked on March 16, 2015
  14. Chemistry

    Equation: Fe+CuCl2>FeCl2+Cu The ratio of moles of copper produced to moles of iron reacted should be 1:1,but I get 60:17 in lab,can you state at least 3 errors for me?

    asked on February 16, 2014
  15. Physics

    Suppose you have a very long straw that can reach from a cup of water on the ground level to the top of a very tall building. When you use a pump to suck on the straw in order to bring water up, a. you can bring the water up to any height with no problem.

    asked on January 18, 2013
  16. Geometry

    The wheel of an adult's bicycle has diameter 26 in. The wheel of a child's bicycle has diameter 18 in. To the nearest inch, how much farther does the larger bicycle wheel travel in one revolution than the smaller bicycle wheel?

    asked on April 4, 2011
  17. Biology

    Which of the following is not a terminal electron acceptor in anaerobic respirations? a)nitrite b)carbon dioxide c)hydrogen sulfide d)sulfate e)nitrate Question 2 Which of the following is not an end product of fermentation? a)pyruvate b)none of the

    asked on September 10, 2010
  18. Math

    Jade ran 6 times around her neighborhood to complete a total of 1 mile. How many times will she need to run to complete 5/6 of a mile?

    asked on September 15, 2016
  19. physics

    A biophysics student measures her reaction time by having a friend drop a meterstick between her fingers. The meterstick falls 0.300 meters before she catches it. (a) What is her reaction time? (b) Estimate the minimum average speed of nerve impulses going

    asked on January 26, 2016
  20. Physics

    Hi, I've been stuck on this for days! I'd love if I can get some help. Two unfortunate climbers, roped together, are sliding freely down an icy mountainside. The upper climber (mass 80kg ) is on a slope at 16∘ to the horizontal, but the lower climber

    asked on April 3, 2015
  21. 8th grade Science please help

    Why is soda in an unopened bottle a homogenous mixture?

    asked on February 1, 2015
  22. algebra1

    Help me please!!!! Solve. (–18x3 + 17x + 6) ÷ (3x + 2) (1point) –6x^2 + 4x + 3 6x^2 + 4x – 3 –6x^2 + 4x – 3 6x^2 – 4x + 3 The width, w, of a rectangular garden is x – 2. The area of the garden is x^3 — 2x – 4. What is an expression for

    asked on May 19, 2014
  23. Drama

    About the movie" Hotel Rwanda¡±£º 1. 1. What moment did Paul's life change? 2. Could Paul have changed his mind? 3. At what moment was Paul past the point of no return? 4. What are the positive and negative sides of attempting to recreate actual events

    asked on January 15, 2014
  24. Psychology

    How do I write a conclusion and recommendation for a psychological report? This report is about analyze Canada's relationship with Great Britain, USA and itself in the 1920s.

    asked on December 31, 2013
  25. math

    A professor grades students on three tests, four quizzes, and a final examination. Each test counts as two quizzes and the final examination counts as two tests. Sara has test scores of 60, 80, and 89. Sara's quiz scores are 85, 94, 83, and 84. Her final

    asked on March 24, 2013
  26. Help math

    $4000 invested at an APR of 9% for 10 years What is the amount of money after 10 years

    asked on January 27, 2013
  27. I don't understand how you did it help

    A $4000 deposit at an APR of 5.6% with a quarterly compounding for 8 years . The amount after 8 years would be ???

    asked on January 27, 2013
  28. Help on my math question

    A $2,000 deposit at an APR of 5.4% with quarterly compounding for 8 years. The amount after 8 years ?? I need to find what the amount would be after 8 years please help This not Dave my name is Tommy I don't even know who Dave is and I'm sorry if you think

    asked on January 27, 2013

    A $2,000 deposit at an APR of 5.4% with quarterly compounding for 8 years. The amount after 8 years ?? I need to find what the amount would be after 8 years please help

    asked on January 27, 2013
  30. Calculus 1

    Evaluate the following limits after identifying the indeterminate form. Use Hospital's rule. d) lim x_0+ (xe^(2x) + 1)^(5/x) e) lim x_(Pi/2)+ (1 + sec3x)^(cot3x) Thank you!

    asked on April 26, 2012
  31. Genetics

    A homozygous pea plant with round peas and yellow cotyledons was crossed to a wrinkled, green plant. The F1 was selfed and produced: 193 round, yellow 69 round, green 64 wrinkled, yellow 26 wrinkled, green a) propose hypothesis that allows you to calculate

    asked on September 2, 2011
  32. Genetics

    In an organism with 2n=20 (n=10) chromosomes, how many: Chromosomes in telophase II Chromosomes in G2 Chromatids metaphase I Chromatids prophase I DNAs anaphase DNAs prophase II

    asked on September 2, 2011
  33. Physics

    A 56 cm diameter wheel accelerates uniformly about its center from 130 rpm to 400 rpm in 3.2 s. (a) Determine its angular acceleration. Express your answer using two significant figures. (b) Determine the radial component of the linear acceleration of a

    asked on October 19, 2010
  34. Biology

    Profiles of which component of the membrane may be used to identify certain kinds of pathogens? a)proteins b)polysaccharides c)leaflets d)phospholipids e)fatty acids Barely ____________% of all microbial species can be cultured in the laboratory. a10 b)25

    asked on September 3, 2010
  35. P. Chemistry

    The equilibrium 2 SO2(g) + O2(g) 2 SO3(g) has the value K = 2.5 1010 at 500. K. Find the value of K for each of the following reactions at the same temperature. (a) SO2(g) + 1/2 O2(g) SO3(g) K = (b) SO3(g) SO2(g) + 1/2 O2(g) K = (c) 3 SO2(g) + 3/2 O2(g) 3

    asked on February 15, 2010
  36. Trigonometry

    How to memorize the sum-to-product and product-to-sum formulae more easily ?? I know how to deduce the formula but when i try to memorize it, its so hard. Always sin, cos, a+b, a-b, i always get confused. Is there any way to memorize more efficiently??

    asked on July 21, 2008
  37. Trigonometry

    in triangle abc, if sin c= (sin a + sin b )/ ( cos a + cos b ) prove that triangle abc is a right-angle triangle.

    asked on July 13, 2008
  38. math

    A particular style of shoes costs the retailer $80 per pair. At what price should the retailer mark them so he can sell them at a 20% discount off the original price and still make 35% profit on his cost?

    asked on October 25, 2018
  39. mechanical

    A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer diameter of the tank is 1.20, and the wall of the tank is 20.0 mm thick and the mamimum internal pressure is 2.00 MPa. (a)

    asked on November 16, 2016
  40. Math

    intersecting lines (1 point)40¨¬ 50¨¬ •• 140¨¬ 180¨¬ 2. Which word best completes this statement? Adjacent angles are ___________ congruent. (1 point)always sometimes •• never none of these 3. Which angle is adjacent to ¡ÐAFB? angles (1

    asked on January 27, 2016
  41. Math

    Which word best completes this statement? Adjacent angles are_______ congruent. A. Always B. Sometimes •• C. Never D. None of these Correct me

    asked on January 27, 2016
  42. Language Arts

    Are you – Nobody – too? Then there’s a pair of us! Don’t tell! they’d banish us – you know! How dreary – to be – Somebody! How public – like a Frog – To tell one’s name – the livelong June – To an admiring Bog! 4. What is a

    asked on January 26, 2016
  43. finite mathematics

    A financier plans to invest up to $2 million in three projects. She estimates that Project A will yield a return of 10% on her investment, Project B will yield a return of 15% on her investment, and Project C will yield a 20% return on her investment.

    asked on October 23, 2015
  44. Statistics

    A survey among freshman at a certain university revealed that the number of hours spent studying the week before final exams was normally distributed with mean 25 and standard deviation 15. A sample of 36 students was selected. What is the probability that

    asked on October 6, 2015
  45. physics

    A car moves with constant velocity along a straight road. Its position is x1 = 0 m at t1 = 0 s and is x2 = 48m at t2 = 5.0s . Answer the following by considering ratios, without computing the car's velocity. What is the car's position at t = 2.5s ? What

    asked on June 12, 2015
  46. Physics

    Hi guys, I'm a little stuck on this question I'm doing at the moment. If anyone has spare time, I'd be extremely grateful! A lens with 50-cm focal length produces a real image the same size as the object. a)How far from the lens is the object? b)How far

    asked on March 18, 2015
  47. Physics

    Hello!I was wondering if anybody had the time to help me with this question. I am not sure what equation to use with three polarizing filters! I thought we use Malus' Law, but doesnt seem to work. Any help would be greatly appreciated!! The question:

    asked on March 18, 2015
  48. math please help

    Suppose that ice cream consumption per person at parties is normally distributed with a mean of 0.39 gallons, and a standard deviation of 0.26 gallons. If you are throwing a party with 33 guests, how much ice cream do you need to buy to make sure that the

    asked on October 24, 2014
  49. Social Studies

    In what ways did the Treaty of Versailles and the Great Depression help bring Hitler to power?

    asked on February 2, 2014
  50. English

    Write this in your own words. what is Pollution? Pollution is the introduction of contaminants into the natural environment that cause adverse change.[1] Pollution can take the form of chemical substances or energy, such as noise, heat or light.

    asked on January 22, 2014
  51. economics

    if Q = 60 − (1/2)P, and MC = 60, which means that MR = 60 how do you work out the price, which then allows you to work out the Q. does the graph still exhibit a slope at twice the rate of the demand curve? thanks for looking in

    asked on May 9, 2013
  52. History

    Type a short character sketch of a fictional Puritan named Justice Johnson based on what you have learned about the Puritans. Make certain that you describe how he dresses, how he lives, what he believes, how he spends his time--in short, describe him so

    asked on November 16, 2012
  53. physics

    A sports car has a weight of 9,300 N and can accelerate from rest to a velocity of 30.0 m/s in a measured time of 11s.1)what is the mass of the car? 2) what is the kinetic energy of the car at the end of this acceleration?

    asked on November 8, 2012
  54. Optimization (Math)

    The mayor of a village wants to build a library of which the windows have a shape of a rectangle on top of a square. The total perimeter of each window is of P meters and varies depending on each windows size. Find the dimensions of the windows in terms of

    asked on November 1, 2011
  55. Holy Nsmr

    If 3 grams of magnesium consume 2 grams of oxygen while burning, how much oxide will be formed?

    asked on October 6, 2011
  56. Biochemistry

    What type of interaction would most likely form in a tertiary structure of a protein? Lysine Tyrosine Asparagine Leucine Glutamic Acid Threonine Isoleucine Methionine I don't understand this at all. Much help is greatly appreciated.

    asked on September 14, 2011
  57. math


    asked on July 18, 2011
  58. physics

    REPOST PLEASE HELP a rock is thrown horizontally with a speed of 17 m/s from a vertical cliff of height 34 m. A- I solved for t=2.63 B-How far will it land from the base of the cliff? im using x=xo+vox*t i get -6.46 and it is wrong. What am I doing wrong?

    asked on September 7, 2010
  59. Biology

    Profiles of which component of the membrane may be used to identify certain kinds of pathogens? a)proteins b)polysaccharides c)leaflets d)phospholipids e)fatty acids Barely ____________% of all microbial species can be cultured in the laboratory. a10 b)25

    asked on September 3, 2010
  60. Microbiology

    Profiles of which component of the membrane may be used to identify certain kinds of pathogens? a)proteins b)polysaccharides c)leaflets d)phospholipids e)fatty acids Barely ____________% of all microbial species can be cultured in the laboratory. a10 b)25

    asked on September 3, 2010
  61. algebra

    Could you explain how to factor completely -a^3n+1 + 2b^2n+b - ab - (2a^3n*b^2n)

    asked on March 24, 2010
  62. P. Chemistry

    Can anyone direct me on how to solve this problem? All of the variables are makin my head spin--not sure how to organize them. If you can give equations to use that would help.Thnx! 1 L of an impure water solution has a freezing point of -11 °C. Which of

    asked on March 7, 2010
  63. science

    Name three freshwater resources and 3 ocean water resources and their descriptions

    asked on November 7, 2009
  64. Physics

    If a discus thrower rotates through the last 45 degrees of a turn in .11 seconds and the distance from the axis of the rotation to the center of the discus is 1.22 m, what is the average linear velocity of the discus?

    asked on November 4, 2009
  65. science

    what is radio metric dating of the earth and how does it wor?

    asked on October 10, 2009
  66. Accounting-business

    Lear, Inc. has $800,000 in current assets, $350,000 of which are considered permanent current assets. In addition, the firm has $600,000 invested in fixed assets. a. Lear wishes to finance all fixed assets and half of its permanent current assets with

    asked on June 16, 2009
  67. history

    Who did the american cowboys learn their skills from during th late 19th century???

    asked on February 21, 2008
  68. Biology

    How can you explain that Biurets reaction with amino acids as compared to other protein substances?

    asked on November 4, 2007
  69. Biology

    Of the following substances, which would react positively with Biuret's, Lugol's, and Benedict's? 1. water 2. starch 3. glucose 4. maltose 5. sucrose 6. fructose 7. galactose 8. albumin 9. hamburger juice 10. onion juice 11. milk 12. potato juice 13.

    asked on November 4, 2007
  70. chemistry

    True or False: 1. A rate law can be written from the molecularity of the slowest elementary step. 2.The final rate law can include intermediates. 3.The rate of a reaction is dependent of the fastest step in the mechanism. 4.A mechanism can never be proven

    asked on February 11, 2007
  71. Physics

    The pressure of a gas in a cylinder with a movable piston is increased from 45 kPa to 90 kPa. If the temperature is held constant, and the initial volume of the gas in the cylinder is 0.5 m3, what is the final volume of the gas? a. 2 m3 b. 1 m3 c. 0.5 m3

    asked on January 22, 2013
  72. math

    what is one-tenth of 19,240

    asked on April 24, 2020
  73. Programming: LUA

    I am trying to figure out how to loop a group of lines. Help?

    asked on March 20, 2020
  74. Math

    jim wants to put a wallpaper border around a rectangular room. The room measures 14 feet by 10 feet. If the wallpaper border comes in strips that are 20 feet long how many strips will jim need?

    asked on December 10, 2018
  75. Science

    How does visible light be made to give off spectral lines?

    asked on February 20, 2018
  76. science

    Any place inside a hachure line is a _____ elevation than the hachure line.

    asked on June 13, 2017
  77. Statistics

    If the slope of the regression line is negative and the correlation coefficient is -0.5, coefficient of determination is: r = -0.5 r2 = 0.25 but because slope of regression line is negative, then coefficient of determination would be also negative. r2 =

    asked on April 24, 2017
  78. S.S.

    How was Hitler killed?

    asked on April 12, 2017
  79. Algebra 1

    Convert to slope intercept form 2x+3y=12 Is this correct y=4-2/3x 2x-y=4 is this correct?y=2x-4

    asked on December 7, 2016
  80. chemistry

    If dissolving 2g of ionic salt causes 50ml of water in increase temp. by 15 degrees Celsius at constant pressure, what would be the change in temperature if 6g of the same ionic salt were used instead? Assume the volume of solution remains the same.

    asked on November 18, 2016
  81. Math

    Thuy is 54 inches tall.A tree in her backyard is 5 times as tall as she is. The floor of her treehouse is 108 inches from the ground. What is the difference, in inches, between the top of the tree and the floor of the treehouse? Is this correct?

    asked on November 8, 2016
  82. Physics

    ) A car is traveling on a straight, horizontal road at 20 m/s when the driver slams on the brakes. The force of friction between the car and the road is 900 N. The mass of the car is 1800 kg. (a) Make a free body diagram for the car on the set of axes

    asked on November 4, 2016
  83. Math

    How do i explain what 40 hundred thousands is?

    asked on October 11, 2016
  84. Social studies

    How did George Washington create and shape our community? would these be a few ways he created a cabinet system he created the first bank he set the term limit of the president

    asked on October 4, 2016
  85. Writing

    Please check this Apostrophe: 1) Kates' sister 2) the giraffe's neck 3) the parent's anniversary 4)the senator's cars 5) Toms' folder 6) the deer's habitat

    asked on October 3, 2016
  86. math

    Sarah baked 78 cupcakes for the bake sale. Gabby baked 45 cupcakes for the bake sale. 93 cupcakes were sold at the bake sale. Which is a way to find the number of cupcakes NOT sold? A.Add 78,45,and 93. B. Find the sum of 78 and 45. Then subtract 93. C.

    asked on September 8, 2016
  87. Math

    -2(3.1) 3.1×2= When multiplying rational numbers same sign will always be positive (+) and different sign will always be negative (-). By:nimotalai Sarumi Tommy thought polat nimotalai.

    asked on September 7, 2016
  88. Math

    -2(3.1) 3.1×2=-6.2 When multiplying rational numbers same sign will always be positive (+) and different sign will always be negative (-). By:nimotalai Sarumi Tommy thought polat nimotalai.

    asked on September 7, 2016
  89. algebra

    what is the simplified form of the following question? 7m^2+6.5n-4n+2.5m^2-n

    asked on September 6, 2016
  90. Math

    morning at 10:00 am was 17.6°c. Temperatures fell by 16.7°c between 10:00 pm -11:00 pm. What was temperatures at 11:00?

    asked on August 19, 2016
  91. Chemistry

    50.00mL of 0.250M hydrochloric acid was added to 25.00mL of 0.300M potassium hydroxide. Calculate the pH of the resulting solution.

    asked on June 12, 2016
  92. math

    rosa and four friends earned money from their combined garage sale.After Rosa spent $2 out of her earnings she had $15 left. How much money n, did the combined garage sale earn?

    asked on June 8, 2016
  93. MATH

    The LRT trolley system 10 miles long is fed by two substations that generate 600 volts and 560 volts, respectively. the resistance of the trolley wire and rail return is 0.3 ohm per mile. if the car located 4 miles from the 600-volt station draws 200A from

    asked on March 10, 2016
  94. i need help please math

    describe the single transformation that would be equivalent to a reflection over the y-axis followed by a reflection over the x-axis

    asked on February 10, 2016
  95. wuzzles

    eye fit fit fit fit can someone please help me solve this

    asked on February 9, 2016
  96. wuzzles

    p o u r can someone help me solve this wuzzle

    asked on February 9, 2016
  97. math 2

    given a circle with (5,1) and (3,-1) as the endpoint of the diameter

    asked on February 7, 2016
  98. physics

    Falls resulting in hip fractures (or head injuries) are a major cause of injury and even death to the elderly. Typically, the hip’s speed at impact is about 2.0 meters per second. If this can be reduced to 1.3 meters per second or less, the hip will

    asked on February 1, 2016
  99. physics

    (a) In 2009, Usain Bolt ran the last 100 meters of the 150-meter race in 8.70 seconds. What is Usain Bolt’s speed? (b) The world record for the 100-meter dash is 9.58 seconds (Bolt, 2009). Use the speed from part (a) as his maximum velocity. Assume a

    asked on January 26, 2016
  100. Math

    Simplify 2(x+6)-9x

    asked on January 13, 2016


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