Questions Asked on
June 1, 2011

  1. biology

    1. Record your observations of the roots of the bean and radish plants in the appropriate data chart. Be sure to include a sketch of each plant’s roots. Answer: Data Chart: Bean Plant Nodules present? Number of nodules Number of pink nodules Number of

    asked by Sam
  2. Geometry

    A solid is composed of a cube with side length 6 meters and a hemisphere with diameter 6 meters. Find the volume of the solid.

    asked by Peter
  3. Chemistry

    The density of aluminum is 2.70g/cm3. If a cube of aluminum weighs 13.5 grams whatis the length of the edge of the cube. I need help with the formula to figure this one out.

    asked by Jessica
  4. chemistry

    If 1.8x1014 J are given off in a nuclear reaction, how much matter is converted into energy? Not a clue as to how I would even START to figure this one out - help!!!

    asked by Edmondsgal
  5. geometry help

    a trapezoid has base lengths of 4 and 19 feet, with an area of 115 square feet. what is the height of the trapezoid?

    asked by karl
  6. physic

    An air column in a glass tube is open at one end and closed at the other by a movable piston. The air in the tube is warmed above room temperature, and a 350 Hz tuning fork is held at the open end. Resonance is heard when the piston is at a distance d1 =

    asked by sisca
  7. Biostatistics

    17. A research biologist has carried out an experiment on a random sample of 15 experimental plots in a field. Following the collection of data, a test of significance was conducted under appropriate null and alternative hypotheses and the P-value was

    asked by Anonymous
  8. propability

    In basketball, Nicole makes 4 baskets for every 10 shots. If she takes 3 shots, what is the probability that exactly 2 of them will be baskets?

    asked by john
  9. English

    I need help writing a paragraph using these words. Retrospect, Inane, Squelch, Subsidize, and Lethargy.

    asked by Amber
  10. algebra

    Find the rate of growth of the function a(x)=19(2.046^x

    asked by Anonymous
  11. Lepelle

    Life orientation

    asked by Katlego
  12. Science

    Using the balanced equation for this reaction, calculate the volume of CO2 that should be produced by the decomposition of 2.21g of CuCO3•Cu(OH)2 at STP.

    asked by Dan
  13. history

    The Civil War and Reconstruction Describe and examine the concept of "sectionalism". Describe and analyze the institution of slavery and access its overall socio-economic impact on the South as well as the Civil War. Describe and analyze the causes and

    asked by jennymenny
  14. Chemistry

    Lactic acid, C3H6O3. If the initial concentration of lactic acid is 0.12 mol/L and the pH is 2.39, what is the Ka for lactic acid?

    asked by Anonymous
  15. math

    for math homework it is algebra and we have to use a ti-83 plus calculator to convert things, that's the one our teacher told us. but i do not have one. so i was wondering if anybody knew of a website that i could use a free calcutar online?

    asked by Natalie
  16. Precalculus

    Simplify cotx sin2x cscx

    asked by nilii
  17. Geometry

    The surface area of acone with height 15 cm is 500π square cm. Find the radius of the cone. Round your answer to two decimal places.

    asked by John
  18. physic

    In certain ranges of a piano keyboard, more than one string is tuned to the same note to provide extra loudness. For example, the note at 110 Hz has two strings at this frequency. If one string slips from its normal tension of 550 N to 520.00 N, what beat

    asked by sisca
  19. life orientation

    Describe the life style disease/behaviour and explain 5 factors

    asked by mpume
  20. Calculus

    A rectangle is inscribed with its base on the x axis and its upper corners on the parabola y= 12 - x^2. What are the dimensions of such a rectangle with the greatest possible area?

    asked by Marissa
  21. Math

    7yd 2ft 3in - 2yd 2ft 9 in

    asked by Joe
  22. physics

    if a force of 15N acts on a body in the direction of north and another force of 10N in south what is the resultant force acting on the body

    asked by preeti
  23. PHY

    Overall, the physical properties of minerals provide a reliable means to identify common minerals. However, certain properties can exhibit a range of characteristics or values making them less useful for identification purposes. Choose 2 physical

    asked by Anonymous
  24. Mathematics

    At football practice, players do a 20-minute warm-up before starting their practice drills. After the practice drills, they do a 10-minute cool-down. The expression 20+d+10 describes the length of practice, where d is the number of minutes the practice

    asked by HELP
  25. physics

    the 2lb box slides on the smooth curved ramp. if the box has a velocity of 30ft/s at A, determine the velocity of the box and the normal force acting on the ramp when the box is located at B and C. assume the radius of curvature of the path is still 5 ft.

    asked by jenny
  26. life orientation

    Topic:the practice of high-risk sexual behaviour amongst the adolescence. Describe the life style behaviour and explain 5 factors

    asked by prince
  27. english

    help me to ((write a letter to your year group, inviting students to become part of the team)). In the letter you need to tell them 1)for which activity you are sending a team. 2)what kind of experience or special skills are needed. 3)how members of the

    asked by memo
  28. Math

    At football practice, players do a 20-minute warm-up before starting their practice drills. After the practice drills, they do a 10-minute cool-down. The expression 20+d+10 describes the length of practice, where d is the number of minutes the practice

    asked by PLEASEEEE
  29. chemistry

    The relative rate of diffusion between two gases is 1.656. If the lighter gas is methane (molecular mass=16.05g/mol), what is the molecular mass of the other gas? What might the other gas be?

    asked by hh.
  30. math

    At football practice, players do a 20-minute warm-up before starting their practice drills. After the practice drills, they do a 10-minute cool-down. The expression 20+d+10 describes the length of practice, where d is the number of minutes the practice

    asked by HELP ME PLSSSSSSSS
  31. Math

    Find the surface area of a right octagonal pyramid with height 2.5 yards, and its base has apothem length 1.5 yards.

    asked by Jessica
  32. physics

    a toy spring gun is used to shoot 28-g bullets vertically upward. the un deformed length is 150 mm, it is compressed to a length of 25 mm when the gun is ready to be shoot and expands to a length of 75mm as the bullet leaves the gun. a force of 45 N is

    asked by jenny
  33. Writing

    Am I using comparatives and superlatives correctly in these sentences? •When I started school, my writing skills were limited, now I have more knowledge on how to write correctly. •I have not had the easiest time understanding certain materials. •It

    asked by <ii>
  34. study unit:: main ideas

    (1) Do you endjoy being out in the fresh air? (2) Does nature restore your spirits? (3) You might want to consider hiking as a hobby. (4)It's a hobby you can begin with very little expense. (5) All you need to start is a good pair of hiking shoes. The

    asked by Anonymous
  35. science

    a ball is thrown from a point 100m above the ground with speed 20m/s.find the velocity,direction and magnitude with which it strikes the ground?

    asked by saira
  36. Science

    Copper wires are a great example of the fact that metals are very?

    asked by Denelle
  37. accounting ..urgent pls

    can you help please.. PROB 1: A, B and C shared the profit of Rs. 9,00,000 in the ratio of 2:2:1 without providing for interest on B’s loan, B granted a loan of Rs. 4,00,000 in the beginning of accounting year. Where as the partnership deed is silent on

    asked by jessie
  38. art appeciation

    If Gianlorenzo Bernini's Apollo and Daphne were to be moved from the Galleria Borghese in Rome where it now stands into the Ufizzi Gallery, the most ideal place to install it would be

    asked by Anonymous
  39. Physics

    A 5 gram bullet is fired and embeds into a 30 gram block of wood resting on a 2 m tall post. After the collision, the piece of wood lands 15 meters from the base of the post. Find the initial speed of the bullet.

    asked by Alex
  40. u.s.history

    Module 4: Topics and Objectives Industrialization, Immigration, the American West, and the Progressive Era Describe and evaluate the Industrial Revolution and its social, political, economic, and cultural impacts on Americans. Describe and examine the

    asked by jellybeam
  41. behavioral science

    if a girl likes a boy and wants to hint to him she likes him humans r habitat creatures how would the girl show or tell the boy?

    asked by seinea
  42. Math

    Use the intermediate value theorem to show that f(x) has a zero in the given interval. Please show all of your work. f(x) = 3x^3 + 8x^2 - 5x - 11; [-2.8, -2.7] I'm not understanding all this questions...

    asked by CheezyReezy
  43. Math - Possible or Potential rational zeros

    List all possible (or potential) rational zeros for the polynomial below. Find all real zeros of the polynomial below and factor completely over the real numbers. Please show all of your work. f(x) = x^4 - 7x^3 - 3x^2 + 19x + 14

    asked by CheezyReezy
  44. algebra

    find the quotient 9a^2-b^2/3a-b

    asked by mema
  45. math

    the distance of fencing reqired for 75 acres but fist changing it to meters squared i think that it is 304 969 m sq but i still don't know how much fence wire i need foe the circunferance please ckeck my work and give me the correct answer

    asked by steve
  46. Organic chemi

    I have a calculated enantiomeric excess value of 7% for my limonene experiment, what exactly does that mean? that i only isolated 7% of the proper R-limonene isomer and the rest 93% is the S isomer?

    asked by nully
  47. Chemistry

    If 200 mL of 3.70 M aqueous Ba(OH)2 and 980 mL of 0.837 M aqueous HClO4 are reacted stoichiometrically according to the balanced equation, how many milliliters of 3.70 M aqueous Ba(OH)2 remain? Round your answer to 3 significant figures. Ba(OH)2(aq) +

    asked by ChemGeek
  48. math

    answer this putt these numbers in order from least to greatest 3/5,1/4,1/2,2/5

    asked by cheyenne
  49. algebra 2

    What is 36x^3-33x^2-33x-6/9x+3

    asked by nina
  50. English

    How is the best way to write the explaination on the changes that you would make to revise the paper. I know what needs to be corrected, but I am not sure how to word it in a paragraph. The Dark Knight was the most popular film of 2008. Unlike most popular

    asked by Nick
  51. accounting ..urgent pls

    please help me to solve this problem. THANK YOU AND MAY GOD BLESS YOU ALWAYS. L. Carson agrees to pay $10,000 each to to C. Ames and D. Barker for 1/3 of their interest in the Ames-Barker partnership. At the time of the admission of Carson, each partner

    asked by jessie
  52. accounting ..urgent pls

    PLEASE HELP ME AND YOU ARE ALL BRIGHT AND I NEED YOUR HELP FOR SOLVING THIS PROBLEM. PROBLEM 1: CARE p’ship at December 31 had cash amounting to $20,000, noncash assets $100,000, liabilities $55,000, and the following capital balances: Cassandra $45,000

    asked by jessie
  53. Math

    Need help on figuring out the function rule for a set of numbers. x:y -3,0 -1,14 1,28 3,42

    asked by Sarah
  54. Stoichiometry

    How much 6M HCl and NaHCO3 are required to make 1 quart of CO2?

    asked by Piehead
  55. geometry

    Complete the following statements about the measures of angles in the figure shown, where and state the generalization that supports each statement.

    asked by Anonymous
  56. Social Studies

    What Indian tribe helped Lewis and Clark build a canoe?

    asked by Jacob
  57. Grammar

    Write one paragraph (150 word minimum) about the most helpful information you have learned from your other second block course on how to make financial decisions. Identify the topic sentence by [] and the clincher by {}. **Is this correct? [From my

    asked by Angelina
  58. world history

    in what regions did latin christendom expand during the period of the early mongol expansion?? britan and spain the middle east and spain prussia and north africa finland and estonia I answered middle east and spain am i correct

    asked by bob
  59. calculus

    3. A deposit of ___(i)___is made into an account paying an interest rate of 5% compounded annually. How many annual payments of ___(iii)___can be made from this account? a) (i)$100,000 (ii)$10,000 b) (i)$200,000 (ii)$20,000 c) (i) 10x (ii) x d) (i) 10x

    asked by erica
  60. Inequality

    Hi, can someone explain how to solve this inequality... 2x^3 - 7x^2 < 8x - 28 Thanks, Armando

    asked by Armando
  61. algebra

    find the quotient 6x^3-5x^2-13x+13/2x+3

    asked by mema
  62. algebra

    the area of a rectangular swimming pool is given by 4x^2+9x+2ft^2.One side length of the pool by 4x+1feet. What is an algebraic expression for the other side lengeth of the pool and simplify and include correct units as a part oy your answer. please help

    asked by mema
  63. physics

    the horizontal or x component of the ball's acceleration is 870 m/s2 and the vertical or y component of its acceleration is 1500 m/s2. The ball's mass is 0.33 kg.

    asked by Anonymous
  64. Synonym

    Hey What's a synonym for the word 'pantheon' where it applies to all the gods of a religion, say Ancient Egyptian? Thanks!

    asked by Em
  65. Algebra

    If 10,000 is invested at 4.8% simple interest, how long will it take for the account balance to grow to 11,200.

    asked by Kendra
  66. english

    What is the topic sentence? Nearly everyone is familiar with the dark silhouette of the giant saguaro, its arms thrust stiffly out. However, few people have actually seen this awe-inspiring plant in its natural habitat, since it is found only in the desert

    asked by nathan
  67. english

    In the book 1984, who wrote the song that the proles sing?

    asked by Shatar
  68. Spanish

    For some reason these ones were tricky for me :/ 30. "Mi abuela está en el hospital." "Qué lástima! _______" a. No vale la pena b. ¿Qué te duele? c. No lo sabia d. ¿Qué tienes? C or D..? 31. A mis hermanos menores las peliculas de terror ______. a.

    asked by mysterychicken
  69. English

    Are these sentences grammatically correct? The girl got married in 2010 and had one child, Sara Lee, afterwards. The girl went from being a cashier to a millionaire.

    asked by Nany
  70. Physics

    How much energy would your body need to provide for the following : a)sweating and evaporation of 1kg of water from your skin. b)heat loss by radiation at the rate of 100 wats for 12 hours. (the specific latent heat of vaporisation of water is 2.3MJkg-1)

    asked by Nelly
  71. Physics

    A 5 gram bullet is fired and embeds into a 30 gram block of wood resting on a 2 m tall post. After the collision, the piece of wood lands 15 meters from the base of the post. Find the initial speed of the bullet.

    asked by Alex
  72. Chemistry

    2LiOH + CO2 yields Li2CO3 + H2O will the astronauts survive and how much water is made if there is 2.00 kg LiOh and expel 35kg of CO2?

    asked by Nikki
  73. algebra

    use the rational root theorem to list the possible rational roots for each of the following equations f(x)=x^2+2x+1 f(x)=x^2-2x+5 f(x)=x^2+4x-5

    asked by Anonymous
  74. Physics

    A bullet with mass 4.91 g is fired horizontally into a 1.981-kg block attached to a horizontal spring. The spring has a constant 6.25 102 N/m and reaches a maximum compression of 6.38 cm.

    asked by sarah
  75. Physics

    A bullet with mass 4.91 g is fired horizontally into a 1.981-kg block attached to a horizontal spring. The spring has a constant 6.25 102 N/m and reaches a maximum compression of 6.38 cm. a) find the initial speed of the bullet-block system. b) find the

    asked by kate
  76. Science

    Choose the correct answer in parenthesis. 150 million years ago the continents were ---(closer together / farther apart)--- than they are now. South America and Africa used to be ---(together / apart)---. 100 million years into the future, the continents

    asked by PHYSICALSCIENCE
  77. Socials Studies (URGENT)

    1. Why did Canada go to war in Korea and why was this war significant for Canada and the UN? Went to Korea to aid the south against the north from communism. (Don't know why it was significant. Any help?) 2. Describe two instances which Canada influenced

    asked by John
  78. Geometry

    A rectangular prism with 2 little square bases of a radius of 1m. It's height or rectangular length is 5m. Please help me find the surface area. The answer should be less than 50m².

    asked by Peter
  79. Math

    John said that he had been working for the highway department for about 9.75 years. Which of the following could be the actual amount of time, in years, that John had been working for the highway department. f) 9.25 g) 9.35 h) 9.65 i) 9.95

    asked by URGENT URGENT URGENT
  80. Math

    Find all complex zeros for the following polynomial function. Please show all of your work. f(x) = x^4 - 91x^2 - 900 Hi, I need help... I'm not understanding this complex zero..

    asked by CheezyReezy
  81. Math - Real number system

    Solve the following equation in the real number system. Please show all of your work. x^4 + 6x^3 + x^2 - 24x - 20 = 0 Help!!!!

    asked by CheezyReezy
  82. English

    Can you please check these two sentences? 1) He contrasts natural behaviour, which he regards as good to social behaviour, which was governed by reason and social conventions. 2) Long, low-neck T-shirts, which reach up to the tighs, are very popular among

    asked by Henry1
  83. chemistry

    Help! The concentration of a solution of hydrochloric acid is 1•00 ± 0•05 mol dm−3 and the volume is 10•0 ± 0•1 cm3. Calculate the number of moles and state the absolute uncertainty.

    asked by Maya
  84. Spanish

    Please unscramble these Spanish words mincara, carbaa, tauerdis, tagsur, suar, qarilaul, caars, sotrecnat, piormcatr, bajra, gelral.

    asked by Madi
  85. math

    perform the indicated operations 3 √6-6 √150

    asked by Anonymous
  86. Math - potential zero

    List all possible (or potential) rational zeros for the polynomial below. Find all real zeros of the polynomial below and factor completely over the real numbers. Please show all of your work. f(x) = x^4 - 7x^3 -3x^2 + 19x + 14 Help

    asked by CheezyReezy
  87. physics

    the 3 lb block A rests on a surface for which the coefficient of kinetic is Mk=.30 determine the distance the 8-lb cylinder B must descend so that A has a speed of Va = 5ft/s starting from rest.

    asked by jenny
  88. physics

    the 2lb box slides on the smooth curved ramp. if the box has a velocity of 30ft/s at A, determine the velocity of the box and the normal force acting on the ramp when the box is located at B and C. assume the radius of curvature of the path is still 5 ft.

    asked by jenny
  89. English

    im studying the poem entitled 'Aunt Jennifer's Tigers' by Adrianne Rich and in a review of this poem they say that 'poets use of the word 'chivalric' refers to tigers stalking their domain' what does it exactly mean?

    asked by Viola
  90. math

    7x+5/0.4 + 5-3x/0.5 = 4x/0.25

    asked by soumya
  91. English

    Could you please check these adjectives referring to personality? Thank you very much. 1) I'm outgoing, sensible, sincere, touchy and hard-working. 2) I'm quite confident about myself. I'm anxious about next week's biology test. 3) If I were you, I'd study

    asked by Henry1
  92. English

    I forgot to add these two sentences. Thank you. I'm annoyed with his behaviour. I'm annoyed/irritated/angry with him about his behaviour (??). I'm bored with my present job/I'm fed up with my job/I'm tired of my job.

    asked by Henry1
  93. Spanish

    23. "¿Qué enviaste?" "_______" a. Una carta. b. un correo c. Una cuadra d. Un sello A? 25. Necesito comprar unos libros en español. Vamos ______. a. a la biblioteca b. a la estación de policia c. al estadio d. a la libreria D? 28. No tengo dinero. Creo

    asked by mysterychicken
  94. AIG

    WHERE CAN I FIND STUFF ABOUT MERMAIDS PLEASE HELP ASAP!!!!

    asked by Mady
  95. Business Management

    What is the difference between executive and non executive pay? Contrast the principle diff between executive pay with non-executive. What are the controversies associated with the growing disparity between the compensation packages?

    asked by Nicole
  96. Statistics/Probability

    Suppose it is known that a new treatment is successful the cases. If it is tried on 15 patients, find the probability [Use binomial distribution]. (a) at most 6 will be cured (b) twelve or more will be cured (c) at least two will be cured.

    asked by LadyJustice85
  97. Algebra 1

    X^2-14x+3=-10 Ineed to know how to find the discriminant quadratic formula and by tabe and graph it Please help me

    asked by David
  98. operating system

    Two processes communicating using (memory locations “variables” or files).

    asked by JJ
  99. algebra

    (a) A graph of is shown in the figure, where y _ L(x). As the weight of the plane increases, what can be said about the length of the runway required?

    asked by logan
  100. Algebra 2/ trig

    sin theta= 7/25, 0< theta < pi/2 cos beta=8/17, 0, beta, pi/2 Find(theta+ beta)

    asked by Stephanie
  101. Physics

    An Electricity account shows that a household has used 1400 units of electrical energy during a three month period. Calculate : a)the number of joules of energy used in this time. b)the average number of joulesof energy used perday . c)the average power

    asked by Nelly
  102. trig

    2cos^2+sin=1

    asked by Anonymous
  103. Biology

    Wha advantage could the following traits be to the organism ? a) Larger leaves b)Green Leaves c) More seeds d) Brightly coloured flowers

    asked by Nelly
  104. english

    I am stuck with being able to complete this assignment and I was wondering if some1 could help me with it. I don't (can't) fail this 1. I already completed my english assignment but I totally bombed it and they want me 2 complete this assignment 2 b able 2

    asked by Anonymous
  105. Anatomy

    Describe how air is modified by the nasal passages, and describe the special structures that allow this modification

    asked by sean
  106. Anatomy

    Describe how olfaction is accomplished by the nasal passages

    asked by sean
  107. Anatomy

    Describe 4 lung volumes that are measured by a spirometer

    asked by sean
  108. Anatomy

    Describe each part of the respiratory passage regarding tissue, and why that tissue would be appropriate for that area. THANK YOU!

    asked by sean
  109. Science

    150 million years ago the continents were (closer together / farther apart) than they are now. South America and Africa used to be (together / apart). 100 million years into the future, the continents (are / are not) in the same positions as they are now.

    asked by sciencehelpplease?
  110. Health

    What would be the change in the heart that occurs during excersise? What is going to pick up and increase in heart rate and blood pressure? What is going to bring it back to homeostasis?

    asked by Tayllor
  111. MAth

    -8 - 12 + 28 + 4(-3)

    asked by Gio
  112. math

    help! im just a seventh grader! i need a problem made up for me about how to solve the surface area of a Dodecahedron so i can help see if my theory is right or wrong!

    asked by raquel
  113. History

    Is the White Australia Policy and the Immigration Restriction Act the same or different?

    asked by History
  114. Math

    Use the given information about a polynomial whose coefficients are real numbers to find the remaining zeros of the polynomial. Degree: 6 Zeros: -6 + 13i^3, -8 + s^2i, -3 - 4i

    asked by CheezyReezy
  115. MATH

    WHAT IS 2/6 OF $60

    asked by IMMANUEL BROWN
  116. Political Science

    Can anyone help me connect how the movie Robocop connects to Fascism?

    asked by John
  117. science

    unsramble LMDEAIOTBNCL

    asked by junior
  118. math

    simplify 5d+3(2-3d)

    asked by whitney
  119. life orientation

    critical discuss human or environmental problem impacts on the community

    asked by junior
  120. chemistry

    what are some examples of suspensions?

    asked by madison
  121. algebra

    find the quotient y^4+3y-1/y^2-3

    asked by mema
  122. chemm.

    how many significant figures are in 9.800x10^4 ?

    asked by Danbee
  123. 3rd gr math - Tenths

    Question reads....Explain how to find the mix number and decimal for nine and one tenth. Please help.

    asked by Alexis
  124. math

    rationalize the denominator 10/√21

    asked by Anonymous
  125. Body Structures & Functions

    The blood level of the brain gets the messeage and sends a releasing factor for_________ to the ________ gland.

    asked by Scott
  126. Physics

    Can someone plz answer my 2 previous question ???

    asked by Nelly
  127. english

    What is the epigrammatical style in poetry? And what could be the examples of it in the work of Emily !@#$%^&inson?

    asked by Rebecca
  128. geometry

    Why do only three types of regular polygons tesellate the plane and what are they?

    asked by Missy
  129. Pre-Calc

    How do I solve this equation? x+5 = sqrt(x+5)

    asked by AvgJoe
  130. Statistics

    1. The sociologist surveyed the households in a small town. The random variable X represents the number of dependent children in the households. The following is the probability distribution of X: X 0 1 2 3 4 P(X) 0.07 0.20 0.38 k 0.13 (a) Find the missing

    asked by LadyJustice85
  131. computer science

    Give five difference between hardware and software?

    asked by Shantanu
  132. Science

    How does respiratory and cardiovascular system obtain nutrients?

    asked by mercedes
  133. algebra

    how to multply and divide rational expressons is their a free website i can go on that will show it step by step and give me an answer???

    asked by cali
  134. math

    A cat owner wants to put equal amounts of food into dishes. If she has 3as a hole number. 2 over 3 as a fraction unces of cat food how many ounces will each food dish get

    asked by ashley