Questions Asked on
September 24, 2009

  1. Calculus

    A street light is at the top of a 17 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 6 ft/sec along a straight path. How fast is her shadow lengthening when she is 30 ft from the base of the pole?

  2. biochem

    Exactly 100 bacteria with a generation time of 30 min are introduced into fresh sterile broth at 8am and maintained at an optimum incubation temperature throughout the day. How many bacterian are present at 3pm? How many generation will take place by 5pm

  3. Calculus

    A spherical snowball is melting in such a way that its diameter is decreasing at rate of 0.2 cm/min. At what rate is the volume of the snowball decreasing when the diameter is 16 cm.

  4. Calculus

    Air is being pumped into a spherical balloon so that its volume increases at a rate of 30 cubic centimeters per second. How fast is the surface area of the balloon increasing when its radius is 19 cm? V= 4/3*pi*r^3 S= 4 pi r^2

  5. math

    These numbers form an addition and subtraction fact family. 6, 7, 13 Choose the fact family formed by these numbers. 7 + 13 = 20 13 + 7 = 20 13 – 13 = 0 13 – 0 = 13 7 + 0 = 7 6 + 0 = 6 13 – 0 = 13 13 – 13 = 0 7 + 0 = 7 6 + 0 = 6 13 – 0 = 13 13

  6. Math

    List the elements in the sample space of the experiment. A 6 sided die is rolled. The sides contain the numbers {1,2,3,4,5,6}. List the sample space of rolling one die. A){6} B){1,2,3,4,5,6} C){36} D)None of these. My answer is: B){1,2,3,4,5,6}. Is this

  7. math

    A calculator requires a keystroke assembly and a logic circuit. Assume that 83% of the keystroke assemblies and 92% of the logic circuits are satisfactory. Find the probability that a finished calculator will be satisfactory. Assume independence of

  8. Physics - ice to liquid

    Fifty grams of hot water at 80oC is poured into a cavity in a very large block of ice at 0oC. The final temperature of the water in the cavity is then 0oC. Show that the mass of ice that melts is 50 g. To melt ice to 50g of water, I think that it will

  9. math

    The four-digit numeral 3AA1 is divisible by 9. What digit does A represent?

  10. Physics - repost to MathMate or whoever can help

    A 10-kg iron ball is dropped onto a pavement from a height of 100 m. Suppose half of the heat generated goes into warming the ball. Show that the temperature increase of the ball is 1.1oC. (In SI units, the specific heat capacity of iron is 450 kJ/kg*oC.)

  11. Calculus

    Hi! My question is: Given that f is a function defined by f(x) = (2x - 2) / (x^2 +x - 2) a) For what values of x is f(x) discontinuous? b) At each point of discontinuity found in part a, determine whether f(x) has a limit and, if so give the value of the

  12. algebra

    solve for the indicated variable: a. temperature formula solve for F: K=5/9(F-32)+273 b. annual interest rate solve for R: A=P+Prt

  13. Finance

    A firm has ROA of 14% and a debt/equity ratio of 0.8. The ffirms ROE is?

  14. history

    with the improvement in transportation and communication, would the original articles of confederation work for all 50 states today? Explain why?

  15. algebra

    I have a word problem in my homework that confuses me. How long is 1 billion seconds simplified into years then months then days, etc. Years then months then days as in xx years xx months and xx days to count to 1 billion seconds. Just one answer not an

  16. Math [urgent]

    1. The sum of three numbers is 301. The second number is 3 less than twelve times the first number. The third number is 4 more than seven times the number. Find the three numbers. ~~~~~~ 2. Two friends live 15 miles apart. One day they decide to jog and

  17. Math

    The sum of three numbers is 301. The second number is 3 less than twelve times the first number. The third number is 4 more than seven times the number. Find the three numbers.

  18. Human Anatomy

    Which vertebral curvature abnormality is the most serious? Why?

  19. 2nd grade

    helping verb and linking verbs

  20. AP Physics

    A rope is tied to a pail of water and the pail is swung in a vertical circle of radius 1.3m. What must be the minimum velocity of the pail at the highest point of the circle if no water is to spill?

  21. Science

    When we look at a leaf, we see the colors of light that are reflected off its surface. How does this explain there relatively low flow of oxygen in green light?

  22. 8th Grade Math

    If x/y=4, x-y=9, and y-x=-9, what is x & y?

  23. ethics

    how are race based gerrymandering related to affirmative action?

  24. Math

    Joe's electric made 16 customer calls last week and 22 calls this week. How many calls must be made next week in order to maintain an average of at least 21 calls for the three week period? My answer was at least 19 calls must be made to maintain an

  25. Pre-Calc

    The height s of a ball, in feet, thrown with an initial velocity of 112 feet per second from an initial height of 20 feet is given as a function of time t (in seconds) by s(t)= -16t^2+112t+20. What is the maximum height of the ball? At what time does the

  26. Chemistry

    In the gas phase reaction CH4 + H2O → CO + 3 H2 At T = 1500 K , Kp = 11000 Calculate Kp, T = 1500 K , for the following reaction 3 CO + 9 H2 → 3 CH4 + 3 H2O .

  27. french

    student A: Est-ce que tu aller ètudier le Français aujourd'hui? student B: Oui, je vais ètudier le Français aujourd'hui. please correct me if I'm wrong, thanks

  28. w.g

    most people visit south asia to see: A)wild animals, mountains, temples and festivals B)great forest, unspoiled by human activity c)** sophisticated metropolitan region D)buddhist monasteries why has tourism declined in sri lanka? a)pollution B)habitat

  29. biology

    create a mnemonic for the 6 kingdoms they maybe in any order but you must have all 6

  30. w.g

    the aryans arrived in the indus valley and wrote the vedas A)after the indus valley civilization crumbled B)with the help of mohandas ghandi C)**during the hieght of the indus valley civilization D)to institiute a permanent caste system

  31. college -spanish

    what is the translation of this spanish poem - "La puerta se cerro detras de ti Y asi detras de ti se fue mi amor Creyendo quepodria convincer a tu alma de mi padecer La puerta se cerro detras de ti Y nunca mas volviste aparecer Dejaste abandonada la

  32. Math (Algebra)

    Amy paid 82.97 for a pair of running shoes during a 20% off sale what was the original price? what is the formula for this?

  33. geometry

    A rectangular garden that is W ft wide is enclosed by 120 ft of fencing. How long is the garden?

  34. AP Physics (circular motion)

    The moon revolves about the Earth in a trajectory that is very nearly a circle of radius r = 384,401 km, and requires 27.3 days (23.4 x 10^5 seconds) to make a complete revolution. What is the acceleration of the moon toward the Earth?

  35. AP Physics

    A girl is whirling a ball on a string around her head in a horizontal plane. She wants to let go at precisely the right time so that the ball will hit the target on the other side of the yard. When should she let go of the string?

  36. geometry

    write an equation of a line with undefined slope that passes through the point (3,-2

  37. genetics

    can u help me with this qs pure breeding white budgies were crossed with pure breeding yellow and green budgies. all the F1 offspring were yellow and green. the F1 was then testcrossed with pure breeding white budgies, and the offspring were as follows:

  38. Math

    -3(3x+15)-(10+x)=35

  39. Physical Science

    If the southern hemisphere contains 10 percentland and the northern hemisphere contains 40 percent land, what percentof Earth is land?

  40. Math

    How to find the y intercept ,and the slope?

  41. socials

    what did Parliament want of king?

  42. Math

    -3(3x+15)-(10+x)=35

  43. geometry

    ughh i need help i dnt like proofs we'll here it the instructions write a two column proof the segment addition postulate is useful for this proof also. remember that the transitive && substitution properties are common in proofs this one requires

  44. physical science

    What is the typical life time of a cloud?

  45. science- blood

    In the difference between veins and arteries. it says veins rarely pulsate and mainly carry deoxygenated blood one vein is diffrent from the rest which one ???? thanks for help

  46. Math

    A census-taker rings Mr. Manning's bell and asks how many children he has. "Three daughters," he replies. "And how old are they, in whole numbers?" asks the census-taker. "Well, I'll tell you this:the product of their ages is 72, and the sum of their ages

  47. math

    The same car at three different dealerships had a median price of $14,833.02. The mean price was $14,544.43 and the range of prices was $1476.24. What were the three prices?

  48. physics

    A person walks 25.0 degrees north of east for 3.80 km. How far would the person walk due north and due east to arrive at the same location? I did the Sin of 25 but the answer was wrong

  49. US HISTORY

    Whar was the relationship between the colines and britian at the conclusion of the french anfd indian war

  50. 6th grade

    you can fill in the blanks with +, -, multipication, or division.you can you two of any or maybe not at all. 17_ 16_ 4_ 8_ 6_3= 7

  51. science

    an earhquake would be on earth as ______ would be on venus?

  52. general knowladge

    what 'A' is known as an idiot board??

  53. PHYSICS

    Estimate the terminal speed of a wooden sphere (density 0.700 g/cm3) falling through air if its radius is 3.20 cm and its drag coefficient is 0.470.

  54. general knowladge

    which tree produces edible fruits calle persimmons ?

  55. Criminal Justice

    Create a 7- to 10-slide Microsoft® PowerPoint® presentation that describes the following: o The steps leading to a trial. o The role and importance of the Sixth Amendment. o The process of jury selection and the procedures of a jury trial.  Include

  56. general knowladge

    what shape is described as ensform, gladiate or xiphoid

  57. Pre-Calc

    An open box is formed by cutting squares out of a piece of cardboard that is 22 ft by 27 ft and folding up the flaps. What size corner squares should be cut to yield a box that has a volume of less than 235 cubic feet? I know that the size corner squares

  58. Algebra 1

    Write an equation of the line containing the given point and parallel to the given line. Express your answer in the form y=mx+b. (-5,7);2x=9y+4

  59. general knowladge

    in a plimsoll line, what does the abbreviation T.F stand for???

  60. economics

    what determines the price and the quantity produced of most goods?

  61. business law

    Have the regulatory agencies been outlawed by the federal courts?

  62. U.S History

    The Antifederalists opposed the Constitution because they thought it

  63. To Mia

    Whenever you post on the Jiskha board, please be courteous and respectful of all the other posters.

  64. current affairs

    name 2 candidates of the world federation elections.

  65. History

    3)What is the approximate distance along trade routes between Venice,Italy,and Guangzhou,China? (Answer in miles and kilometers)

  66. 6th grade

    I'm a special ed kid and I need help to unscramble these science words ,itvbarnoeso, lncsuoicno and ecrfenine

  67. calculus

    At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 17 knots and ship B is sailing north at 20 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per

  68. calculus

    At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 17 knots and ship B is sailing north at 20 knots. How fast (in knots) is the distance between the ships changing at 4 PM? (Note: 1 knot is a speed of 1 nautical mile per

  69. business law

    Do administrative regulations have the force of law?

  70. analogy

    mean:meant::kneal:k

  71. Physics

    I'm not sure how to do this problem A 145-g baseball is droppexc from a tree 12.0 m above the ground. (a) Wtih what speed would it hit the ground if air resistance could be ignored? (b) If it actually hits the ground with a speed of 8.00 s^-1 m, what is

  72. 8th Grade Math

    If x/y=4, x-y=9, and y-x=(-9) then what is x and y?

  73. Physics

    I'm not sure how to do this problem A .40 kg ball is thrown with a speed of 10 s^-1 m at an angle of 30 degrees. (a) What is its speed at its highest point, and (b) how high doe it go? (Use conservation of energy.)

  74. US HISTORY

    Why did the Battle of the Alamo anger Americans in Texas?

  75. Geography

    Just need these checked to see if they're correct- 24. Differences in the landscapes and resources of the Nordic nations have produced different a. political systems b. language and religions c. economic activities d. relative locations C ---- 3. What is

  76. English

    How can I write transition sentences? Any examples? Thanks.

  77. ethics 125

    List two to three characteristics of Orientalism. How may Orientalism and prejudice contribute to hate crimes against these groups?

  78. math

    solve for the indicated variable: a. temperature formula solve for F: K=5/9(F-32)+273 b. annual interest rate solve for R: A=P+Prt can you please show how to do these? thanxx =)

  79. author

    * Write a brief summary of the main ideas of the article (or at least two paragraphs of the article). Create an in-text citation for your summary. * Paraphrase a specific point or points made by the author within the article. Create an in-text citation for

  80. author

    * Write a brief summary of the main ideas of the article (or at least two paragraphs of the article). Create an in-text citation for your summary. * Paraphrase a specific point or points made by the author within the article. Create an in-text citation for

  81. Algebra I

    Rewrite the equation so that y is the !@#$%^&ntion of x: a. 1/7(49-7y)=5x-3y+14 b. 4(2x-3y)=-5(x+3y) Can you please explain and show how to do these two problems? Thank you.

  82. math

    solve using the addition principle. -6+x>5 I have not done one of these problems with the less and greater sign... can someone please help me? thanks

  83. math

    a store cells 26 ounces of sphagetti sauce for $1.17. the store also sells 34 ounces of the same sauce for $1.36. which is the better buy? I think 34 ounces of the same sauce for $1.36 is the better buy. is it correct? thanks

  84. criminal justice

    need help with writing final paper. Pick a country (outside of the United States) and research its correctional system. „h Write a 1,050- to 1,400-word paper in APA format comparing the American correctional system with that of a foreign country. o

  85. math

    can someone please check my answer for me? thanks in advance 9(x+4)=3(3x+2)+30 I got x=8 is this correct if not could you please tell me where I missed the step at?

  86. Honors Chemistry

    In my vocabulary crossword puzzle, I have one clue answer left to fill in the puzzle, but the clue doesn't match anything that even EXISTS: 9. A group 18 element (on the periodic table) Answer so far: N??E?????S NONE of the group 18 elements fit in here,

  87. math

    how can i find the produt of 17 and 38 using the box method

  88. 11th grade

    can you please evaluate these expressions if x=5 y=3.5 and w= -3 1.|2x-15| 2.|-2y=8|-9 3.|w-x|-|10y-w|

  89. math

    I am already weak at math, but when they throw in letters it throws me off and confuses me more... can someone please show me how to work this problem? Ax+Hy=L,for x.

  90. C Programming

    Write a program that prompts the user to enter a temperature, followed by a letter representing Celsius (C) or Fahrenheit (F). Then prompt the user for the conversion type and print the results to the screen with one decimal point. If the user enters a

  91. algebra

    solve for the indicated variable: a. temperature formula solve for F: K=5/9(F-32)+273 b. annual interest rate solve for R: A=P+Prt im posting this the second time, but the first reply i got didn't help much :( can you show me how to do at least one of

  92. Literature

    Can someone help me?I have some literature homework to finish up but im kind of stuck on one.Can someone give me a sentence or paragraph with the word "audacity" in it?

  93. US History

    What were British criticisms of the colonies in 1763?

  94. statistics

    Suppose a box of marbles contains an equal number of red marbles and yellow marbles but twice as amny green marbles as red marbles. Draw one marble from the box and observe its color. Assign probabilitites to the elements.

  95. math

    can someone help me solve this problem -x/2+4=12 i got x=-16 but that didn't seem to be right

  96. maths

    you and your family go to a restaurant. the bill is $26.98 including $1.53 in tax. find the percent tax. please help. thanks

  97. algebra 3

    Find a polynomial of lowest degree with only real coefficients and having the given zeros. -2+i, -2-i, 3, -3

  98. Statistics

    Events A, B, and C are defines on sample space S. Their corresponding sets of sample points do not intersect and their union is S. Further, event B is twice as likely to occur as event A, and event C is twice as likely to occur as event B. Determine the

  99. gr8 science

    HOMEWORK QUESTION: give one advantage and one disadvantage of having many branches in science??? i know its a silly question but i really couldn't think of an answer and i thoight you guys could give it a try.... can u help me out?? plz??

  100. Ms. Sue

    I am writing a formal essay for a contest to win a scholarship.But it has to be written formally.

  101. Algebra

    [2x+6]/[x^3] * [3x^2]/[6x+18] Is the answer 1/x correct?

  102. algebra

    can someone please check my answer for me? 6-2x=6x-10x+14 I got x=-2 is this correct? if not please let me know which step I missed.. thank you

  103. chemistry11111111

    What are the different physical properties between HCl and NaCl? And explain the causes of their differences?

  104. english111111111

    who was marginalized in "the great depression 1929"? And what other thing were marginalized in "the great depression 1929"? and any info on marginalization? Thanks

  105. Math

    How many ways can an IRS auditor select 3 of 11 tax returns for an audit? A)1331 B)6 C)990 D)165 My answer is: 990. Is this correct? Thanks.

  106. social studies

    How would the world be different if countries could resolve their differences?

  107. Human Anatomy

    The large fossa on the anterior aspect of the scapula is the

  108. Science

    What are Characteristics of compression?

  109. Ms. Sue

    The topic is about what aspires me. What I want to do in the future. Well I want to be a veterinarian. But I am not allowed to use I, me, myself,you, yourself, or overusing words.

  110. 12th grade

    maps of top 15 countries that trade with the U.s.

  111. chemisty

    Use the mole ratio of CuO produced per mole of malachite to write a balanced equation for the malachite decomposition reaction. Assume that CO2 is also a product of the decomposition.

  112. English

    5 direct and indirect speeches

  113. physics

    A boy starts from point A and moves 5 units toward the east, then turns back and moves 3 units toward the west. what is the displacement in the position of the body?

  114. Algebra 1

    Did you hear about ... It's a novel

  115. Algebra

    [2x-12]/[3x-6] * [x^2-4]/[x^2-36] * [3x+18]/[4x+8] Would it be x+4 over 2(x+2)(x-2)?

  116. American Government

    I NEED HELP FAST!!! WHAT IN YOUR OPINION WOULD BE ADVANTAGES AND DISADVANTAGES OF THE CURRENT DEMOCRATIC SYSTEM?? WHAT ARE THE MOST AND THE LEAST PRESIDENTIAL POWER OF THE PRESIDENT??? PLEASE HELP!!!!!!!!!!!

  117. Communications

    True or False: When people are aware of both the positive and negative characteristics of another, they tend to be more influenced by the undesirable traits.

  118. Chemistry

    The following table contains data for the equilibrium reaction CH3COOH(g)+ C2H5OH(g)↔ CH3COOC2H5(g)+ H2O(g) T = 100oC. Each row in the table represents a different experiment (diffferent intial concentrations). Initial concentration Equilibrium

  119. algebra

    Solve using the multiplication principle -7x

  120. chemistry.

    The relative mass of A is 116. Determine the molecular formula of A.

  121. 8th grade

    I am working on order of opertaion Iget stuck with the() this is one of the problems (17-12)-(-15)divded(-6)+3+6

  122. French

    1. quand est-ce que tu prends rendez vous avec le/la dentiste? 1. J'ai rendez vous avec le dentiste a 3h30. 2. Est-ce que tu as souvent mal aux dents? 2. Oui, j'ai souvent mal aux dents . 3. Est-ce que tu as peur de prendre rendez-vous avec le/la dentiste?

  123. Algebra

    [2y^2+11y+5]/[4y^2+4y+1] / [2y^3+10y^2]/[4y^3] =2y over (2y+1), right?

  124. Math

    Two corresponding sides of similar polygons are in the ratio of 2:3. If the perimeter of a smaller figure is 6 meters, what is the perimeter of the larger figure? My answer is: 9m. Is this correct?

  125. socilal studies

    which tribe was the largest and controlled the northeastern part of florida?

  126. math

    Each letter of the alphabet is written on a separate piece of paper and placed in a box. Find the probability of drawing a vowel, {a, e, i, o, u}, or a letter in the word "segments"?

  127. Algebra

    -5/6b=-|-20| How do I solve for b? Thank you!

  128. english, compound sentences

    The team may have lost the game / they gained an invaluable lesson in the importance of character. a), yet b), and c), for d), so

  129. Algebra I

    Rewrite the equation so that y is the !@#$%^&ntion of x: a. 1/7(49-7y)=5x-3y+14 b. 4(2x-3y)=-5(x+3y)

  130. 12th grade

    could some help me with my german homework, please?

  131. Math (Algebra)

    Solve using the multiplication principle -7x

  132. math

    if debt-to-total assets ratio is 40%. What is debt-to-equity ratio?

  133. 7th grade

    Hey ,this is about my french brochure can anyone help me? I have a few questions. - Isabella (nicknames: Bella,Bells) My name is from Twilight....hehe Bella Anyways thanks

  134. Algebra

    [2x+6]/[x^3] * [3x^2]/[6x+18] Is 3/x correct?

  135. Algebra

    [2x-12]/[3x-6] * [x^2-4]/[x^2-36] * [3x+18]/[4x+8] Would the solution be (x-4) over 2(x-2)(x+2)?

  136. Algebra

    [2y^2+11y+5]/[4y^2+4y+1] / [2y^3+10y^2]/[4y^3] Would the right answer be 4y^3 over 2y+1?

  137. algebra 1

    WHICH FORMULA DO I USE AND HOW DO I WORK IT OUT? I SERIOUSLY NEED HELP! use the formula h=rt-4.9t^2 when h is in meters and h=rt-16t^2. A rocket is fired upward with an intial speed of 1960m/s. After how many minutes does it hit the ground?

  138. social studies

    which tribes controlled the northeastern part of florida?

  139. social studies

    i need help finding a current Event.

  140. math

    Rewrite the equation so that y is the !@#$%^&ntion of x: a. 1/7(49-7y)=5x-3y+14 b. 4(2x-3y)=-5(x+3y)

  141. college

    Electro-Rad Inc., a developer of radiology equipment, has stock outstanding as follows: 50,000 shares of 2%, preferred stock of $50 par, and 100,000 shares of $25 par common. During its first four years of operations, the following amounts were distributed

  142. Grade 8 Math PLZ PPL help its hard

    A census-taker rings Mr. Manning's bell and asks how many children he has. "Three daughters," he replies. "And how old are they, in whole numbers?" asks the census-taker. "Well, I'll tell you this:the product of their ages is 72, and the sum of their ages

  143. Math (Algebra)

    The width of a rectangle is fixed at 7cm. Determine (in terms of an inequality) those lenghts for which the area will be less than 161cm squared. The length must be less than ? cm. (simplify your answer) The solution is {L l L < ? cm.} (simplify your

  144. math

    Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What is the probability that the second card is a spade if the first card was not a spade?

  145. social studies

    which tribes controlled the northwestern part of florida?

  146. Math

    Philips inc has a debt ratio of 55% and ROE= 20%. What is phillips ROA?

  147. science

    wat is da definition for fuel

  148. Acct

    How do you Calculate cash on the balance sheet

  149. science

    What are three key differences between unicellular and multicellular organisms?

  150. Finance help

    Assume Williams inc has: Debt ratio= 40% Net profit margin= 10% Return on assets = 25% Find williams Total Asste Turnover Ratio

  151. Math(grade8)

    Find all primes less than 100 that can each be written in all three ways: p=a^2+b^2=c^2+2 e^2=f^2+3 g^2, and show how it's done with each one. The numbers you're squaring must be integers; show your thinking. thanksi don't get it at all

  152. w.g

    literature in soth asia has its roots A) government B)**education C)colonialism D)religion

  153. Science

    When we look at a leaf, we see the colors of light that are reflected off its surface. How does this explain there relatively low flow of oxygen in green light?

  154. Accounting

    I need to enter the following into Journal Enteries a) Borrowed $12,000 cash on a short-term note payable dates march 1, 2011 b) Purchased land for future buildings site, paid cash, $9,000. c) Earned $160,000 in Service Revenue for 2011, including 40,000

  155. socials

    In 1648 what crime does the parliament accuse Charles of?

  156. Chemistry

    What properties do you use to orgarnize the periodic table?

  157. Cost accounting

    Flexibility is said to be the hallmark of modern management accounting, whereas standardization and consistency describe financial accounting. Explain why the focus of these two accounting systems differs.

  158. w.g

    ship breakers wreck old ships in order to: A)create a light industry B)provide work gor unemployed city residents C)**assist cottage industries D)recycle iron and steel i think that's it but i really think is for them to know whose ship is whose but that's

  159. geography

    pakistan and india disagree about the political borders of: A)** bangladesh B)kashmir C)bhutan D)nepal

  160. social studies

    north America,south America and the island in the caeibbean sea are the major lands in the

  161. w.g

    what was been the cause of erosion, floods, and loss of soil in bangladesh? A)deforestation B)drought C)poaching D)**all of the above

  162. spanish

    what does this phrase say- "dejaste abandonada la illusion en mi corazon por ti"

  163. Math

    18x-(8x-7)=67

  164. SCIENCE

    WHY IS DIFFUSION INSUFFICIENT TO MEET THE OXYGEN RECQUIREMENT OF MULTICELLULAR ORGANISMS LIKE US?

  165. math

    the sume of the consectutive numbers is 600. What is the least of these 3 numbers.

  166. Chemistry

    Okay so I need help with this question: How many grams of NH3 can be produced from 3.87 mol of N2? Can someone tell me how to do this probelm? Maybe do the question with a different set of numbers just so that I can see how to do it? Thank you!

  167. socials

    In 1648 what crime does the parliament accuse Charles of?

  168. Spanish Poemas

    in spanish, what does the phrase - "La puerta se cerro detras de ti Y nunca mas volviste aparecer" mean

  169. w.g

    more than _____ percent of india pollution lack access to clean water. A)20 B)**40 C)60 D)80

  170. SOcials

    what religious title does the king hold?

  171. Economics

    Does a Contractionary Fiscal Policy help lower inflation? Or does Expansionary Fiscal Policy lower inflation?

  172. Finance

    Your group has been hired by an advertising firm that is developing a series of commercials for family-oriented products geared toward the entire family. They want to develop a series of commercials that will target family members at various life stages.

  173. earth science

    decribe the composition and nechanisms of the earth crust

  174. government

    i need to draw a little cartoon on Enumeration and Nomination but i just can not get any idea's. help?

  175. w.g

    which of the following does south asia not depend upon for energy A)hydroelectric power B)windmills C)imported oil D)**burning wood and coal

  176. government

    i need to draw a little cartoon on Enumeration and Nomination but i just can not get any idea's. help?

  177. math

    Could someone explain topologically equivalent to me. I am to figure out if a pretzel is topologically equivalent to a pencil, a pipe or a trophy and I just don't understand please help

  178. science

    1. suggest an order for the conductivity of H+, Cl- and OH-, explain your reasoning 2. (so I have a conductivity data)....Which of the solutions have ions due to the presence of solute? b. Are there covalent solutes that produced ions in solute?

  179. Mathematics

    Help! I've tried this question and i don't come to a correct answer! The value of a property depreciated by 3.25% between 1997 to 2004, and appreciated by 2.75% between 2005 to 2008. In 1997, the value of the property was $75000, find its value in 2008. My

  180. algebra

    density=8.48g/mL mass=1.83 kg volume=

  181. Social Studies

    How would the world be different if countries could resolve their differences?

  182. writing

    Which of these two sentences are correct: Where is my coat and umbrella? Where are my coat and umbrella?

  183. to Alexa

    thank you so much for answering my question. i can sleep happy. one last thing is it ok to ask you for an example of a tool or technology?thank you!!!

  184. geometry

    what does topologically equivalent mean? I have read the definition but I am still confused. I have a picture of a pretzel and am to figure out which picture (a pencil, a pipe or a trophy)is topologically equivalent to the pretzel. could someone explain

  185. science

    how did minnesota lakes fill up water?

  186. Preschool teacher needs to thx

    I am a preschool (3 year olds) teacher and my students I focusing on the letter A. DO you have any art and craft ideas that I could do using the letter A?

  187. calculus

    I have a couple of questions that I'm not sure how to do! 1) Given f(x) = (x^2 - 2x + 1) for x does not equal 1 and (k) for x = 1 Determine the value of k for which f is continuous for all real x. a) 0 b) 1 c)2 d)3 e)none of the above i think the anser is

  188. an automobile is traveling north. can it have a ve

    an automobile is traveling north. can it have a velocity toward the north and at the same time have an acceleration toward the south? under what circumstances?

  189. geometry

    what does topologically equivalent mean? I have read the definition but I am still confused. I have a picture of a pretzel and am to figure out which picture (a pencil, a pipe or a trophy)is topologically equivalent to the pretzel. could someone explain

  190. Alg II

    So in our Alg II class we're studing variables and functions, and from the situation given we are to figure out the equation. "In a lighting storm, the time interval betwee the flash ad the bang (f) is directly proportional to the distance between you and

  191. algebra

    what numbers factor 25x^2 - 10x + 126

  192. english

    Which of these two sentences are correct: Where is my coat and umbrella? Where are my coat and umbrella?

  193. Scale

    The size of a country on a map with scale of 1:50000 is reflected as 2730.8cm^2, and the coastline is reflected as 386cm. The size of the country when drawn on another map with different scale, is 10923.2cm^2. Find the length of coastline reflected on the

  194. Literature

    What is scope in literature? I've been searching for this forever and I just cannot seem to figure out what it is! Please help!

  195. physics

    A person walks 25.0 North of East for 3.80 km. How far would the person walk due North and due East to the same location?

  196. 11th grade

    if a container starts with 60 liters and the 1st hour it has half the liters and the 2nd hour it has 1/3, how long before there are 10 liters?

  197. College Physics

    Box M2 sits atop M1. (M1=25kg M2=15kg). The coefficient of friction between boxes and between M1 and the ground is Uk=.4 and Us=.5. I found that 353N is the maximum force you can apply to box 1 so that box 2 doesn't slip off. Now it asks for the

  198. algebra

    Dustin drives 5 miles per hour faster than Kelly. If he leaves town 1 hour after Kelly and they travel in opposite directions, they will have drive equal distances after Dustin has traveled 7 hours. How far apart are they?

  199. Physical Science

    What is the typical life time of a cloud?

  200. 3rd grade

    when was the red rever cleard for boat travel?

  201. Ap Physics

    Paleontologists estimate that if a Tyrannosaurus rex were to trip and fall, it would have experienced a force of approximately 260,000N acting on its torso when it hit the ground. Assuming the torso has a mass of 3800kg , find the magnitude of the torso's

  202. math

    my course material is unavailable at the moment and I am to figure out this question. I can't remember the formula could someone help me out? A spherical storage tank has a diameter of 48 ft and is full of water. How many delivery trucks with cylindrical

  203. socials

    In 1648 what crime does the parliament accuse Charles of? By doing another Civil War knowing it was useless, and for shedding blood of innocent people. is this right?

  204. history

    what is the republican's name for andrew johnson?

  205. physic

    Hi, could you help me please Question: A tortoise can run with a speed of 0.12 m/s and a hare can run 20 times as fast. in a race, they both start at the same time, but the hare stops to rest for 2.0 minutes. The tortoise wins by a shell (25cm). A.How long

  206. social studies

    did the railrosds reach shreveport before or after the discovery of oil at caddo lake?

  207. chemistry

    how many holecules are in 1 L of water (assume that the density of water is 1g/ml. I think 1000g/2*1.01 + 16.00g/mol =55.5 mol =55.5moles * 6.02*10^23molecules/mole =3.34 * 10^25 molecules

  208. Business management and leadership

    two techniques, with particular emphasis on the implications of these techniques for the manager and the organization put into 4-6 slides

  209. home economics

    illustrate each policy in a supply and demand digram of the gun market. a. a tax on gun buyers, b. a tax on gun sellers, c. a price floor in guns , d. a tax on ammunition

  210. english

    from an article " baby mix-up" and in the below sentence "Carolyn Savage won't have another chance to carry her own baby because of her age and difficulties during her earlier pregnancies. She and her husband plan to hire a surrogate and try again for a

  211. Calculus

    If xy=4 and dy/dy=3 then find dx/dt when x=4?

  212. government

    is there a culture where they swore and had a sense to not get addicted to somthing

  213. socials

    why was the king forced to recall Parlament? The king was forced to recall Praliament because he needed money.