Questions Asked on
September 21, 2009

  1. physics

    A small sandbag is dropped from rest from a hovering hot air balloon. After 2.0 s, how far below the balloon is the sand bag?

  2. Physics

    From the window of a building, a ball is tossed from a height y0 above the ground with an initial velocity of 8.00 m/s and angle of 20.0 degrees below the horizontal. It strikes the ground 3.00 s later. (a) If the base of the building is taken to be the

  3. Org. Chem.

    what is the precipitate formed when HCl is added? I believe the answer is NaCl, but I am not sure and this precipitate only formed in the first NaOH extract, as precipitate was essentially nonexistent in the 2nd extract? Below is what was done in the

  4. science

    Gallium has an atomic mass of 69.7 amu. In a typical sample, 60.4% of Ga exxists as a Ga-69 (68.9257 amu). What isa the identity and the atomic mass of the other isotope?

  5. math

    the gas tank of a car is 2/3 full. a trip uses up 1/4 of the gas in the tank. how full is the tank at the end of the trip? please include how you got the answer, thanks

  6. Math Data Management

    In how many ways can the 12 members of a volleyball team line up, if the captain and assistsant captain must remain together? Thank you in advance.

  7. bio

    A corn plant producing ears of corn is an example of: a.growth b.reproduction c.development d.all of these

  8. Stat

    The army reports that the distribution of head circumfererence among soldiers is approximately Normal with mean 22.8 inches and standard deviation 1.1 inches. Helmets are mass produced for all except the smallest 5 % and the largest 5 % of head sizes.

  9. Chemistry

    How would you calculate the number of atoms for 1.004 mol bismuth

  10. Science

    Why is the angle of rays of sunlight so important in determining the amount of energy collected by the earth

  11. Microeconomics

    PLEASE HELP..the table shows the number of labor hours required to produce a digital camera and bushel of wheat in China and S.Korea. China Digital cameras 100hrs China Wheat 5hrs S.Korea Digital cameras 90hrs S.Korea Wheat 3hrs The question is if each

  12. Physics

    A vector has an x component of -30.0 units and a y component of 49.5 units. Find the magnitude and direction of the vector.

  13. declaraction of independence

    How did the Declaration of Independence influence American Government?

  14. 5th grade

    The sum of my two digits is 13. I am not divisible by 2. List all possible numbers I could be.

  15. 5th grade

    How are plants,similar to animals, protists, fungi, and bacteria?

  16. chemistry

    Vanadium forms four different oxides in which the percent by mass of vanadium is respectively 76%, 68%, 61%, and 56%. Find the formula of the first oxide. How would I go about doing this? I tried to use my book but there are no examples of this question.

  17. Atomic structure

    How many molecules of glycerol(C6H8O3) would be present in 1L of a 1M glycerol solution? a. 1 b. 14 c. 92 d. 1*10^7 6.02*10^23

  18. Chemistry

    Based on its electronic configuration an atom of manganese would have________unpaired electrons and would be expected to be________. (a)3,paramagnetic (b)2;diamagnetic (c)0,diamagnetic (d)5,paramagnetic

  19. Physics

    A sprinter runs at a speed of 3.00 m/s on a circular track that has a radius of 40.00 m. Find the centripetal acceleration of the sprinter.

  20. Math - Trig

    I'm trying to verify these trigonometric identities. 1. 1 / [sec(x) * tan(x)] = csc(x) - sin(x) 2. csc(x) - sin(x) = cos(x) * cot(x) 3. 1/tan(x) + 1/cot(x) = tan(x) + cot(x) 4. csc(-x)/sec(-x) = -cot(x)

  21. physics

    A car is driven 105 km west and then 30 km southwest. What is the displacement of the car from the point of origin (magnitude and direction)?

  22. science

    1) what are five skills scientist use to learn about the world? 2) what are inferences based on? 3) why do scientist make models? ¢¾¢¾plz, plz help me.... i totally need help on this¢¾¢¾

  23. gr. 8 math

    skylar wants to join the local gym. the cost in dollars for a membership can be expressed as: 100+39.99m where 100 is the initation fee in dollars, 39.99 is the monthly fee in dollars, and m is the number of months for which a person signs up. How much

  24. org chem

    describe the hybridization (sp3, sp2, sp) of the following bonds. BH3 (all single bonds) Is it sp2? H-C triple bond C-H Is it sp? A double bond with two methyls connected at each end Is it sp2? Please Help ASAP

  25. math

    A girl delivering newspapers covers her route by traveling 8.00 blocks west, 4.00 blocks north, and then 2.00 blocks east. (a) What is her resultant displacement? (b) What is the total distance she travels?

  26. physics

    Given two particles with 2.00 micro coulomb charges as shown and a particle with a charge q=1.28x16-18C at the origin. (A)What is the net force exerted by the two 2.00 micro coulomb charges on test charge q? (B)What is the electric field at the origin due

  27. Physics

    A bus travels from west to east with a velocity of 11.5 m/s. A marble rolls on the surface of the bus floor with a velocity of 0.200 m/s north. What is the velocity of the marble relative to the road?

  28. computers

    what microphone is more desirable than a headset microphone when using a speech recognition system?

  29. science

    I can travel where are no molecules,but never through a brick.I can travel through space,but never around a corner.What am I?

  30. Algebra 1

    Simplify: 9xy/15yz

  31. college math

    The formula b=34a is used in New England to estimate the minimum furnace output, b, in BTUs, for a modern house with a square feet of flooring. a)Determine the minimum furnace output for a 16000 ft^2 modern house b)Solve for formula a

  32. Algebra 1

    Use an associative property to write an equivalent expression: (x+y)+5

  33. ELA

    what is an noun

  34. math help please

    solve the system by the elimination method: 5x+3y=-13 & 7x-2y=11

  35. Spanish

    Can someone please check my work? Answer the following questions in a complete sentence. 1. ¿Qué es la primera cosa que haces cuando llegas a la escuela? La primera cosa que haces cuando llego a la escuela es voy a la clase. 2. ¿Qué es la segunda cosa

  36. Math

    Convert: 147 miles to km (1mi = 1609km)

  37. chemistry

    a granola bar contains 175 calories. what is that in joules?

  38. Physics

    Two grenades, A and B, are thrown horizontally with different speeds from the top of a cliff 70 m high. The speed of A is 2.50 m/s and the speed of B is 3.40 m/s. Both grenades remain in air for 3.77 s. Assume that the acceleration due to gravity is 9.86

  39. accounting

    How to write a biography section of an annual report?

  40. GRADE 2

    WHAT IS THE WORD OUT OF THE LETTERS"AEEFHRST"

  41. strategic management

    The purpose of this activity is to develop a research taxonomy related to the Strategic Management process. With this assignment, you are to investigate scholarly theories related to Strategic Management. The object of your taxonomy is to identify at least

  42. PHYSICS

    A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis. Its metallic surface slopes downward toward the outside, making an angle of 23.0 degrees with the horizontal. A piece of luggage having

  43. math

    Kamisha bought a strawberry pie that was cut into 4 equal peices. She ate half of one peice. What fraction of the whole pie was left?

  44. math

    Trista has 8 coins in her pocket that total to $1.55.She only has quarters and dimes.How many of each coin does Trista have?

  45. social studies/ Us History

    Please describe Chief Pontiac and the role Native Americans played in the French and Indian war.

  46. 6th grade math

    You are putting up a 60 foot long fence in your backyard. According to the manufacturer's instructions, the fence posts should be equally spaced along the length of the yard. List all the possible spacing options if the amount of space between the posts is

  47. Science

    How many gigameters are in $1,000,000,000,000 micrometers?

  48. algebra

    Solve for j. B=j+q/2

  49. grammar

    Special delicates lingerie detergent is unnecessary. Does this sentence need commas or is this sentence punctuated correctly?

  50. social studies

    Every communitiy has issues that are hotly debated. Select an issue that u think is important. Contact or research on two political parties. Find out each party's position on the issue you have chosen. What does each party think about the issue? Does it

  51. Algebra 1

    Simplify: 96z/24xyz

  52. Geometry

    If the measure of an angle is 23o17’18’’, what is the measure of its supplement?

  53. government

    What role should America’s ideals play in its national security policy? Include historical, current, and hypothetical cases in the analysis

  54. Science

    How does the eye lens focus light onto the retina?

  55. CHEM

    Explain solvation and/or hydration

  56. SCIENCE

    A METHOD OF SENDING ENERGY WAVES FROM A SATELLITE TO AN AREA OF EARTH BEING OBSERVED IS?

  57. Physics

    Two boats, A and B, travel with a velocity of 4.90 m/s across a river of width 72.0 m. The river flows with a velocity of 2.50 m/s. Boat A travels the shortest distance and boat B travels in the shortest time. If both start at the same time, how much time

  58. english

    one who settles in a foreign country is called?

  59. Physics

    Tracy swims across a stream of width 40.0 m in 33.0 s when there is no current. She takes 59.0 s to cover the same distance when there is a current. Find the speed of the river current.

  60. math

    multiply the equation by a power of 10 to write an equivalent equation with integer coefficients: #1. 4.15x+3.01=10.9x+1.29 #2. 1.596y-3.08=0.9y this is the 2nd time I'm posting this question. but the last reply I got was confusing. can you please show me

  61. math

    Find the amount of money in an account after 7 years if $3900 is deposited at 7% annual interest compounded monthly.

  62. statistics

    List Six deceptive graphical techniques.

  63. Algebra 1

    You are 36 miles from a friend. You both start riding your bicycles tword each other at the same time. You travel 15 mph and your friend travels 3 mph slower. How far will you travel before you meet your friend? I got 19.9 miles but I don't think it's

  64. psychology

    Every night in Cordele,Georgia,24 trains crisscross the city's five mile radius.Each train blows its whistle to alert citizens that it is passing through.Because of the residentof Cordele can sleep through all these whistles. A selective B the

  65. English

    I don't quite understand William Faulkner's Nobel Prize Acceptance Speech. I've looked it up in Google and can only find the actual speech, nothing about it.

  66. physics

    A baseball pitcher throws a ball with a maximum speed of 150. km/h. If the ball is thrown horizontally, how far does it fall vertically by the time it reaches the catcher's glove 20. m away? Give your answer numerically in meters using decimal notation

  67. maths

    Solve k^2 + km = 8 m = k- 6 Can you show me step-by step please?

  68. science

    Why is a teacher's attitude so important?

  69. Geometry

    What is an equation I can use to find the sum of the first 1000 counting numbers? I have been trying to find out how to figure out this problem, but can't find it my notes. Thanks in advance. :)

  70. 6th grade math

    my work sheeet said use each of the symbols add,subtract,multiply,and divide to make thte following math sentence true. 12___ 3___ 7___ 1____ 11=0

  71. chemistry

    if 10 mol of hydrogen reacted with oxygen, what volume of liquid water could be produced?

  72. math

    can someone please tell me how to begin this problem? simplify. -98pq/210pq Thank you in advance

  73. social studies

    In Paraguay, what type of money do they have/use and what are some facts about their culture? PLEASE ANSWER, SOMEONE! But only if you KNOW the correct answer or think you know!

  74. writing

    okay, for homework, we have to list 10-15 songs that could be used as the "soundtrack of my life". I know it's kind of hard since none of you know me, but do you have any idea of some good songs that could describe someone's personality or any websites

  75. Algebra

    Solve for j. B=j+q/2

  76. spanish

    what are the meanings of the months?

  77. Algebra

    I am trying to find the domain for x(x+2)(x+2)/(x-2)(x+2). I canceled the (x+2)'s. The only problem is that my book says the domain cannot equal -2. But I say it cannot equal 2 either (along with -2). (-2-2)(-2+2) is equal to (2-2)(2+2), right? Or what did

  78. Stat

    Remeber that it is areas under a density curve, not the height of the curve, that give proportions in a distribuiton. To illustrate this, sketch a density curve that has its peak at 0 on the horizontal axis but ahs greater area within .25 on either side of

  79. english

    what are a list of Adverbs

  80. Algebra 1

    Use the communitative and associative property to write three equivalent expressions for: 3*(a*b)

  81. math

    how to solve negative output problems

  82. math

    .02m = ? m

  83. MATH

    12oo students attend a school the ratio of teachers to students is 1 : 30 . How many teacher

  84. physics

    Two vectors have magnitudes V1 = 1.5 km and V2 = 4.5 km. What are the maximum and minimum magnitudes of their vector sum?

  85. grade 7 math

    I really need someone to explain how to change a decimal to a fraction and vice versa. for example how would i change 2.60 or .653 in to a fraction?

  86. Algebra 1

    Use the distributive property to write an equivalent expression for: 6(4y+3) Please explain how you got your answer

  87. 5th grade

    Early systems for classifying plants were based on characteristics people could see easily, because

  88. chemistry

    Isotonic saline and is often given to patients intravenously to replenish lost fluids. Isotonic saline is a 0.9% 9G/100ml) solution of salty water. You are asked to make up 21 of isotonic saline. How much salt should you weigh out?

  89. english

    Creat two word webs : one for the word good and one for the word nice .Brainstorm synonyms for these words that could be used in your writing instead. Please help me .......Thanks a lot.

  90. 5

    the term nonvascular refers to plants

  91. 5

    plant cells have stiff to support them.

  92. Algebra

    I am trying to write this rational expression in its simplest form: 2-x+2x^2-x^3/x^2-4 However I have no idea how to factor the four numbers on the top. I"m used to factoring just three numbers. Can you show me how to do this? Thanks!!!

  93. thanks

    Thanks Ms.Sue, once again. You are really smart! lol!

  94. math

    8x + 7x = 90 90 divided by 15 is 6 is this correct

  95. math

    simplify. -98pq/210pq

  96. Science

    A set of controlled steps used to answer scientific questions is?

  97. To Ms. Sue

    Ms. Sue I really love your ideas, they are way better than mine, so do you have any ideas on what the others around him could say?

  98. History

    Im working on my outline for my research paper which is the Jacksonian Era. One of my categories is the election of 1824. What would be three things to put underneath. Like for the A, B, C. I tryed looking at an outline on a website you gave me before, but

  99. math

    4 8/9 - 8/15 * 2 1/12 =? how do i do this?

  100. Algebra 1

    Write as an algebric expression: 1. half of a number 2. twice a number

  101. algebra 1

    How does 18/27=2?

  102. pre calc

    f(x)=1/x+2 how do i solve this

  103. algebra

    solve. 6-3(3x-5)=-6

  104. chemistry

    why does warer boil at a higher temp then nh3 when they are both dipole dipole?

  105. Algebra 1

    Evaluate and explain: a/3b for a=18 and b=3. Is 2 the correct answer?

  106. science

    how does the atmosphere affect electromagnetic radiation?

  107. Chem

    Why are electrons paired in orbits?

  108. Algebra 1

    Does 2 times 10 divided by 5+6= 7

  109. 11th grade

    I REALLY need help on math because I can't understand what my teacher is saying in class. Here's the question : Sixteen metres of fencing are available to enclose a rectangular garden. a) represent the area of the garden as a function of the legnth of one

  110. Math

    Show your thinikng, the more you show the more you know

  111. math

    what is 78.09/100 in decimal form?

  112. Economics

    Asher is a stay at home dad who provides math tutoring for extra cash. At a wage of $30 per hour, he is willing to tutor 5 hours per week. At $45 per hour, he is willing to tutor 6 hours per week. Using the midpoint method, the elasticity of Asher’s

  113. Algebra 1

    2*10/5+6=10. Is this correct?

  114. Algebra 1

    Simplify: 35ab/105bc

  115. Algebra 1

    Factor and explain: 34. 8a+12b 35. 18x+6y+12 36. 3+12b+36a 37. 8a+4+12c

  116. college

    How can counselors assist with self-handicapping?

  117. Algebra 1

    What if there are no parentheses in this problem: 2*10/5+6?

  118. us history

    what role did native americans play in the French and INdian war? please dnt give me any websites for some reason my computer won't open them up.

  119. math

    At what rate will $300 yield 67.50 interest in 4 years and 6 months?

  120. Calc

    I am having trouble with these two problems for my Calc class. I have tried answering a few times already, but i keep getting it wrong. Help please and thank you. For the limit below, find values of δ that correspond to the ε values. lim_(x->1)(3 + x -

  121. government

    what is the correlation between a form of government and its economic system?

  122. Algebra 1

    Write an equation for: One taxi company charges $1.50 for the first 2 miles of any trip,and then $1.20 for each mile after that. How is the taxi fare related to the distance of a trip?

  123. chemistry(Bsc)

    HI i am not able to get the answer, can you help please...Here is the quest. At 700K and 300 atm, the density of water vapour is 0.188g/cm3. Evaluate the compression factor for water volume in this state. Molar heat of water=0.018016KJ/mol.

  124. chemistry

    what is the exponential notion of pH=1?

  125. science

    hi could you please give me some idea's on how to make a 10 second timer without useing marbles,sand or electronics. thanks

  126. hardware

    The increase in speed and memory of computers improve the effectiveness of this tool, what is the tool?

  127. Communication Law Studies

    Can publishing photos of people who are unaware that they are being taken can hold legal binding in court? If so how and under what statutes?

  128. chemistry

    what is the difference between polar bonds and polar molecules. i know a polar bond is a bond between two dipoles? what are polar molecules? wouldnt it be the same?

  129. psychology

    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.

  130. EARTH SCIENCE

    I need four reasons the layers of the egg compare to the earth. so I have three 1. The shell compares to the crust 2. The white compares to the Mantle 3. The yolk is the core Then they also want : describe two other ways the egg compares to the earth.

  131. Geography

    Hey, i'd like to know what this means: Tropical monsoon forests are located "between 10° and 25°N and S of the equator". What does this mean? I know that the 25°N and S of equator means that region near the equator, but what is that "10°"?

  132. math

    please solve this for me.. i feel as if i am doing this wrong.. (1000/s-120)- (1000/s) = 1/2

  133. physics

    I found out how I was messing up and getting the wrong answer. I entered (-30) squared + 49.5 squared then took the square root of the answer getting 39.37 instead of 57.88 which i figured out was the right answer, I didn't enter all in my calc at the same

  134. art(need help)

    i know these are a few questions but i just can't find them anywhere.i really need to know why the bauta mask was made,how you make one,who made it, and it's texture.if you could help me with any of these,i would be so thankful.

  135. Math

    A quarterback takes the ball from the line of scrimmage, runs backwards for 5.0 yards, then runs sideways parallel to the line of scrimmage for 13.0 yards. At this point, he throws a 40.0 yard forward pass straight downfield, perpendicular to the line of

  136. axia

    a response in the form of a memo from Joe Gilmore, Training Department Manager, to Christine Lancaster, Training Supervisor, regarding her idea for the next training series. The memo must not exceed 300 words

  137. Economics/Calculus

    Asher is a stay at home dad who provides math tutoring for extra cash. At a wage of $30 per hour, he is willing to tutor 5 hours per week. At $45 per hour, he is willing to tutor 6 hours per week. Using the midpoint method, the elasticity of Asher’s

  138. math

    Rewrite the equation so that y is a function of x: 1. 1/2(y+5)+4x=3x 2. Use the result in Ex. 1 to find y when x= -1, 0, and 2 __________ Can you please check if this is right? 1. y=-2x+4.5 2. f(-1)=-2(-1)+4.5 =6.5 f(0)=-2(0)+4.5 =4.5 f(2)=-2(2)+4.5 =0.5

  139. College Chemistry

    How many electrons in an atom can have each of the following quantum number or sublevel designations? (a)n=2; l=1; m=0 (b)5s (c)n=4; l=1

  140. Science

    hey there can someone please help me answer the question - Explain the advantages and disadvantages of DNA mutating Thankyou

  141. 9th grade

    Exercises In Coherence? Coherence- Type of Arrangement (Time, Physical Order, Order of Importance, Similar Ideas, Different Ideas, Conclusion) 1. story about a haunted house kind of order:? reason 1- ? 2- ? 2. a description of the haunted house kind of

  142. math

    a parking garage charges $3.50 per hour to park. c+ 3.5 h how do you graph it?

  143. physics

    how does a magnify glass create a virtual image?

  144. app. math

    Given the following data set, which measure of central tendency is the greatest ? {2,4,6,8,10,12}

  145. To MS SUE

    Ms. Sue I would really like your ideas, maybe from yours I could make really good ones of mine, so could you pretty please tell me what others could say around charles

  146. Socials

    for socials I have to draw two broadsides[drawings], in support for charles the king and not in support of him. some examples for in support of him were, well one person drew charles with angry eyes saying Obey which was in support of him and not in

  147. physics

    If you jump from rest from a height of 2.0 m above ground, what is your speed (magnitude only), right before you hit the ground? Use the acceleration due to gravity as g=9.8 m/s2 Thank you to whoever answers this!

  148. algebra

    5(2m+3)-(1-2m)=2[3(3+2m)-(3-m)] Does this have a solution? I can only get so far... Thanks

  149. math

    need to know how to solve this problem At what ratae will 150 double itself in 14 years?

  150. Algebra 1

    Fnd the temperature in degrees Celcius(C) given a temperature of 77 degrees Fahrenheit(F) using the formula C=5/9(F-32).

  151. math

    on a special scale in the science lab, scott weighed samples of different kind of soil.sample A weighed 3 ounces. sample B weighed 814 thousandths of an ounce more than sample A. what decimal should scott use to record the weight of sample B.

  152. psychology

    You are currently an associate at an advertising agency where you have worked for two years. You are pursuing a promotion to the position of advertising executive. While you have expected to put in extra hours and some added responsibility as part of

  153. Literature (Handle With Care by Jodi Picoult)

    Please help me if you have read Jodi Picoult's latest book, Handle with Care. I'm doing a post card on it, so any information or help you provide is greatly appreciated. ~ what do you think would be a good 2-3 sentence annotation for this book? by

  154. english

    what goes around the world but stays at a corner

  155. algebra

    -1/2X > 2x+5

  156. health

    greatest influences in the lives of most teenagers today positive and negative

  157. physics

    hey i attempted this question but i don't know if its right. can some one check for me and correct it? If an antelope accelerates from rest in a straight line with a constant acceleration of 1.71 m/s2 how long in seconds does it take the antelope to reach

  158. healthcare

    I am writing a essay and am not having much luck on finding good stuff for this part of my essay. What do you think will be the future of the trend? Anyone have ideas for me? This is for employment trends in staffing shortages.

  159. math

    flexible rounding to estimate the answer 622+377= 84-27=

  160. CHEM

    Distinguish between polar bonds and polar molecules.

  161. Business

    I need examples of the following and i'll do them over. 1.Assume you are employed at a manufacturing firm in a country district. a.List the business activities that would be carried on by the firm and 2.Describe the role of the office in relation to any

  162. CHEM

    explain 1) Ion-Ion 2) Ion-Dipole 3) Dipole-Dipole 4) Dipole-Induced dipole 5) Induced dipole-Induced dipole

  163. CHEM

    Explain why H2O and NH3 are both dipole-dipole interactions yet H2O boils at a significantly higher temperature.

  164. CHEM

    Explain in glorious detail the difference between H2O and H2S

  165. CHEM

    In nonpolar molecules what part does Molecular Weight play in the strength on their intermolecular forces?

  166. CHEM

    Explain how micelles and more complex solutions work. Consider all Solute-solute, Solvent-solute and Solvent-solvent interactions in such a system.

  167. Math

    Need to know the formula for find the perimeter. Need to solve this problem. A square metal box has a perimeter of 8.32". If the sides are .04" thick what is the perimeter of the inside?

  168. CHEM

    Factors which effect reaction rates. 1) Concentration 2) Temperature 3) Presence of a Catalyst 4) Surface area 5) Orientation You store food in a fridge to prevent spoilage. Which factor are you applying to slow the rate of reaction? Which one of the

  169. social science

    what are the effects of the declaration of independence and its influence on early american government? why is it still considered one of the most important documents in american history?

  170. maths

    can u arrange 24 children in 6 rows comprising 5 show it?

  171. history

    i have a question. my research paper is on the jacksonian era what would my thesis be because the paper contains many different events

  172. Science

    Wy is it is possible to find large, well-formed crystals inside geodes? Please help and Thank you

  173. chemistry

    Isotonic saline is often given to patients intravenously to replenish lost fluids. Isotonic saline is a 0.9g/100ml solution of salty water. You are asked to make up 2:1 of isotonic saline. How much salt should you weigh out?

  174. english

    one who eats too much is called?

  175. english

    What is the part of speech for the word sincerity in this sentence. The sincerity of his answer convinced me.

  176. Physics

    An object in uniform circular motion moves at a constant speed around a circle with a fixed radius. Why is the object said to be accelerating though it has a constant speed?

  177. chemistry

    Why is balanced chemical equation for H2O written 2H2+0>2H20 and not H20>H20?

  178. Physics

    The determined Wile E. Coyote is out once more to try to capture the elusive roadrunner. The coyote wears a new pair of Acme power roller skates, which provide constant horizontal acceleration of 15 m/s^2. The coyote starts off at rest 70 m from the edge

  179. math

    How do you write (2x3)x5=30 without changing the number sequence?

  180. geometry

    -7 --- + (-5) 12 The negative seven is over the 12

  181. math

    Round the result to the nearest tenth and then to the nearest hundredth: 1. -57.124/10.104 2. -13.254(-3.145)

  182. Algebra 1

    Write an equivalent expression using a communitive property: a+6 and xy+3

  183. maths

    if u were to count one number per second and counted 7 hours per day ,how long would it take u to count to a billion

  184. Physics

    Two people pull a mule. One with 120 Newtons and an angle of 60 degrees. The other with 80 N and an angle of 105 degrees (Q2). What would be the force a third person would have to exert on the mule to make the net force equal to zero.

  185. math

    explain decimal notation

  186. Physics

    A hiker throws a ball at an angle of 21.0 degrees above the horizontal from a hill 21.0 m high. The hiker's height is 1.750 m. The magnitudes of the horizontal and vertical components of the velocity are 14.004 m/s and 5.376 m/s, respectively. Find the

  187. geometry

    -7 --- + (-5) 12 The negative seven is over the 12

  188. psychology

    The brain can be studied by using: A)electrical,biochemical and magnetic means B)radio frequences,computers and neurotransmission C)neurotransmitting,electrical and biochemical means D)biochemical,neurotransmitting,and magnetic means, I THINK CORRECT

  189. Grammar

    2a. Peer editing academic papers require critical-thinking skills and diplomacy. 2b. Peer editing academic papers requires critical-thinking skills and diplomacy.

  190. Math

    Is the truth value of this statement true: If 2^2 is ¡Ù 4, then 3^2 ¡Ù 6.? The conditional was If 2^2 is = 4, then 3^2 = 6, which is false, because 3^2 is 9, not 6. Is the inverse also false?

  191. Algebra 1

    is -6 less than or greater than -5?

  192. physics

    A runner dashes from the starting line (x = 0) to a point 108 m away and then turns around and runs to a point 18 m away from the starting point in 21 seconds. To the nearest tenth of a m/s what is the average speed?

  193. high school

    what is an alkali and where do we use them

  194. Algebra 1

    6/3y. Use x/x for 1

  195. Physics

    A ball is tied to an elastic string of length 8.0 m and swung in a horizontal circle with a velocity of 0.8 m/s. When a metallic object is tied to a rope of length 2.75 m and swung in a horizontal circle, it makes one revolution in 2.9 s. The ratio of the

  196. Culinary arts

    what times does a master chefs work?

  197. Biology

    What is definite form?

  198. Chemistry

    How many grams are in a milliliter?

  199. crt

    Write a 200-300 word response to Chapter 6 Journal Entry # 1 (page 229) in Introduction to the foundations of American education.

  200. eth125

    How do you think slavery influenced the evolution of both black and white america today?explain your answer.

  201. Grammar

    Parts of speech for movable, hopeful, and wasting in the following sentences. Is this car movable? We are hopeful that the mayor will join us. I am wasting my time listening to a commercial.

  202. pre-algebra

    determine which numbers in each set are solutions to the corresponding equations. 3n=45; {15, 30, 45}

  203. Alegebra 1

    can someone please help me asap with this two problems I'm really stuck here. 1) solve for j if b=j+v/2 2) 9r+9s+9

  204. geography

    What is the Earth System that includes the Continental and Oceanic crust?

  205. marketing

    Post your response to the following: Imagine that you are a mentor to a new employee at a marketing firm. The new employee is having trouble understanding what the term market communication really means. Using what you have learned, explain to the new

  206. science

    if a wire of resistivity is streched to thrice its initial length what will be its new resistivity.

  207. math

    is y=350n-(155n+700) a linear, quadratic, exponential, or none of the listed. If is is not listed, then what is it? thanks for helping me.

  208. Maths

    Solve k^2 + km = 8 m = k- 6 Can you show me step-by step please?

  209. chemistry

    If 1.20 grams of sodium metal are reacted with 4.00mL of water, how many grams of NaOH will be produced (density of water= 1.00g/mL)

  210. geography

    what makes a town a town a village a village and a city a city

  211. Math Word Problem SK

    Customers of a phone company can choose between two service plans for long distance calls. The first plan has a one-time activation fee and charges cents a minute. The second plan has no activation fee and charges cents a minute. After how many minutes of

  212. Chemistry

    Will someone please let me know if these answers are correct or not? If there not can you help me with them? Thanks so much in advance ;-) 1. In a tetrahedral molecule, how many unshared pairs of valence electrons does the central atom have? a. None b. One

  213. GRADE 5 MATH

    USE MENTAL MATH TO ADD OR SUBSTRACT: 1. 80+79+20 2. 308+95+5 3. 480+255+20 4.365+289 5. 523-198 6. 537+180 7. 325+239+75 8. 87+38+62 9. 4500-280

  214. socials

    what would I say on it like what would the comic thing be? and what would charles be saying, something like please forgive me please help please check the my earlier reposts

  215. com 150 version 3

    a healthful diet and regular exercise not onllly improves health, but lowers health care costs.

  216. Geography

    Need help with this- 4. Britian was known as "the workshop of the world" during the Industrial Revolution because the nation a. made many products abroad b. used water power to run spinning machines c. had an abundant supply of raw materials d. produced

  217. 3rd grade

    is the number with the most digits always the greatest? explain

  218. economics

    How would you classify the power industry in your area? in wisconsin any sites?

  219. 6th grade

    please explain input and output

  220. microbiology

    what is the equation of the resolving power of a microscope? can you please give an example problem too?

  221. Communication Law Studies

    Can publishing photos of people who are unaware that they are being taken can hold legal binding in court? If so how and under what statutes?

  222. com 215 business communications

    What strategies might you use to communicate the use of data effectively in written reports?

  223. chem

    If 1.2 grams of sodium are reacted with 4.00 mL water, how much NaOH is produced? density of water= 1.00g/mL

  224. Math

    If I round 123.456 to the nearest hundreth is the correct answer: 123.500?

  225. PRE-CALC

    Determine the domain of the following function: f(x)=sqrt x-7/x^2-5x-6 I think the domain is [7,all real numbers) Can you please tell me if this is correct?

  226. Textiles

    What are the main facts about ribbon weaving?

  227. science

    what tool would be useful to help find an averageof your data?

  228. Mum Bett

    what was Mum Bett personal fight to uphold the Declaration of independence

  229. psychology

    After a serious injury,Lusy has lost her sensitivity to hot an cold.Therefore,she can no longer work in the kitchen because she's afraid she might burn herself.More than likely there was damage to her A hippocampus B hypothalamus C cerebellum D parietal

  230. Physics

    A ball travels at 59.78 m/s for a distance of 16.45768956 meters, then decelerates at -89.67 m/s2 until is reaches a velocity of -89.67 m/s, then accelerates at 59.78 m/s2 until it reaches a velocity of 16.45758956 m/s, as shown in the graph to the right.

  231. social studies

    What causes wild fires?

  232. math

    Find an expression for the function whose graph is the bottom half of the parabola x + (y - 9)2 = 0. y=? some help would be appreciated! thanks

  233. Social Studies

    Why were some delegates upset by the prospect of a supreme national government?

  234. science

    if 10 mol of hydrogen reacted with oxygen what volume of liquid water could be produced

  235. Biology

    Can you please describe the properties of water that account for its importance to living things? Thanks!

  236. GRADE 5 -MATHS

    USE MENTAL MATH TO ADD OR SUBSTRACT: USING COMPATIBLE NUMBERS 1. 80+79+20 2. 308+95+5 3. 480+255+20 4.365+289 5. 523-198 6. 537+180 7. 325+239+75 8. 87+38+62 9. 4500-280

  237. social studies

    a barrier island is 1 km wide and 10 km long. If erosion by a longshore current causes the island to lose 1.5 m of its with per year, how long will it take for the island to lose one-fourth of its width?

  238. math

    How do I translate this? The product of 12% and some number Thanks

  239. com 150 version 3

    is it healthy to diet and exercise to improves health to lowers health care costs. what kinds of supporting pragraphs examples, details, definitions, analysis, division and classification, process analysis, comparison contrast, cause effect, and argument

  240. 8th grade

    what is gnama artea it means Kings must follow laws too.

  241. us history

    How did the 13 states' differences on the issue of slavey contribute to the outcome of the Constitutional Convention?

  242. algebra

    16=/p+3/+30

  243. MATH

    Maribel how did u got this -189=12a+3b ------------ -84=-7a 12=a

  244. english

    which word is the noun in the sentence,"I like to horseback ride."

  245. algebra

    need help with 2 questions first It has been a long time since I did algebra and don't rememeber how to work the problems 1/5(x+1) + 2/5(x-1) = 3/10 2nd problem 0.1(2x-1) + 0.02(4x + 4) = 0.05x

  246. social studies

    Why did the disagreement among delegates over the election of representatives result in the Connecticut Compromise? Can you think of a different solution to the problem of representation?

  247. Social Studies

    How did the 13 states' differences on the issue of slavery contribute to the outcome of the Constituional Convenion?

  248. math

    translation: 23 less than d is it 23 - d or -23d

  249. math

    simplify. -98pq/210pq

  250. math

    collect like terms. 11/13u + 3/13v - 9/13u + 14/13u answer I got was 2/13u + 17/13v is this correct?

  251. chemistry

    what is difference between h2o and h2s. the only thing i can say about this is that water is a polar bond becaue the bonds cant cancel out.

  252. Hunches

    What does putting something on the back burner mean? And how could that term be misunderstood?