Questions Asked on
January 6, 2010

  1. Physics

    The driver accelerates a 240.0 kg snowmobile, which results in a force being exerted that speeds up the snowmobile from 6.00 m/s to 28.0 m/s over a time interval of 60.0 s. b. What is the snowmobile's change in momentum? What is the impulse on the

    asked by Shawn
  2. Physics

    A race driver has made a pit stop to refuel. After refueling, he leaves the pit area with an acceleration whose magnitude is 6.0m/s 2 . After 4.0s he enters the main speedway. At the same instant, another car on the speedway and traveling at a constant

    asked by Harry
  3. Science

    An occupant of a car has a chance of surviving a crash if the deceleration during the crash is not more than 30 g. Calculate the force on a 70 kg person deceleerating at the same rate.

    asked by Janise
  4. gr.11 physics help!

    When an iceberg floats in the ocean, what fraction of it is visible?( The relative density of ice is 0.92, and the relative density of sea water is 1.03)

    asked by Andy
  5. Math

    What is the probability if getting an odd number when rolling a 6 sided die?

    asked by Miannah
  6. Physics

    A cube of oak with sides 15cm long floats upright in water with 10.5cm of its depth submerged. What is the density of the oak?

    asked by Lindsey
  7. english

    does house personify the diseased, dying Usher family in "the fall of the house of usher". where can i get more info about this interpretation? plss help!

    asked by bindiya farswani
  8. Social Studies

    How social studies in your particular school setting relates to the definition of social studies

    asked by Anonymous
  9. Math Analysis

    What is the apparent size of an object 1 cm long held 80 cm from your eyes? ==> When they say "apparent size", they mean the angle from which one object is viewed by, say, a person (or in this case a pair of eyes). I thought I'd be able to find the angle

    asked by Emily
  10. Math

    If a ball is throw into the air with a velocity of 40ft/s its height in feet t seconds later is given by: y=40t-16t^2. Find the average velocity for the time period beginning when t=2 and lasting 0.5 seconds.

    asked by SC
  11. physics

    A diffraction grating gives a second-order maximum at as angle of 31‹ for violet light (ƒÉ = 4.0 ~ 102 nm). If the diffraction grating is 1.0 cm in width, how many lines are on this diffraction grating?

    asked by Rach
  12. PHYSICS

    super easy (I think) but I must be missing some concept... A race car starts from rest on a circular track. The car increases its speed at a constant rate at as it goes 5.00 times around the track. Find the angle that the total acceleration of the car

    asked by Laila
  13. 9th grade

    s8impliy this exponential expression): -2 7 -8 ) 6 -9)8 (7) * (x) * (w * (x *(4) * -3) (w

    asked by Daniel
  14. Chemisty

    How to calculate the theoretical yield of aspirin to be obtained when 2.0 g of salicylic acid and 5.0 mL of acetic anhydride (density = 1.08 g/mL) are mixed together? ( Molar masses: acetic anhydride = 102.1 g/mol; salicylic acid = 138.2 g/mol)

    asked by Kerrie
  15. Environmental science

    can someone help me on this question please: 27. The tundra is most suitable to a vertebrate that a. requires nesting sites in tall trees b. is cold blooded c. has a green outer skin for camouflage d. can migrate hundreds of kilometers each summer i've

    asked by y912f
  16. geometry

    a 10-inch-long board is cut into two pieces that have lengths in the ratio 2:7. What is the length of each new piece?

    asked by jackie
  17. Chemistry

    I need some help finding the net ionic equation for these two problems: 1. Bromine is added to a dilute solution of sodium hydroxide. 2. Sulfuric acid is added to a solution of lithium hydrogen carbonate. This is what I have for reactants: Br2 + NaOH and

    asked by Anonymous
  18. math

    prove: 2sinx+sin2x = 2sin^3(x)/1-cosx

    asked by Veronica
  19. History

    One of the significant changes in atmosphere in Jefferson's administration was: 1. The number of common people involved in government. 2. The closing of the bank of the united states. 3. the widespread dismissal of federalist officeholders. 4. The

    asked by Kevin
  20. math

    write 3 different ones numbers you could add to 15 without needing to regroup. write 3 different ones numbers you could add to 15 where you need to regroup to find the sum.

    asked by clarita
  21. Chemical Equations

    How do you balance Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O

    asked by Anomynous
  22. Biology

    What differences would you expect to see in a population made up of individuals whose chromosomes experience crossing-over frequently compared with a population made up of individuals whose chromosomes do not cross over?

    asked by Charlie
  23. physics

    Would you see the same thin film interference pattern in a film of soap surrounded by air and a film of soap on glass? Why or why not?

    asked by frank
  24. Physics

    Please help ! Finish the following statement: "The greater the number of lines on a diffraction grating of a given size," a)the greater b)smaller then a)the range of wavelengths that can be diffracted b)the distance between the bright fringes produced

    asked by Jamie
  25. Literature

    5. All of the following words are archaic except a. coz b. God-den c. halt d. ope I'm stuck between a and d? Thanks -MC

    asked by mysterychicken
  26. algebra

    Paula leaves home driving 40 miles/hr. One hour later Dan leaves home driving in the same direction at the rate of 50 miles/hr. How long will it take dan to catch up with Paula?

    asked by lou
  27. Science

    What two sources of friction do you have to overcome when you are walking?

    asked by Keyshia
  28. Physics

    A droplet of ink in an industrial ink jet printer carries a charge of 1.6 x 10 to the power of -10C and is deflected onto paper by a force of 3.2 x 10 to the power of -4N. What is the strength of the electric field to produce this force?

    asked by Anonymous
  29. O chem

    When 2-methyl-2-butene is bubbled into dilute sulfuric acid at room temperature, it appears to dissolve. What new substance has been formed?

    asked by coral
  30. To All Students & Tutors

    I will not be able to answer any questions on this board for the next 8 days or so. I will be warming my weary bones down south off one of the islands of Belize for a while. Great time to get away as the temperature up my way is currently at -12 C. Reiny

    asked by Reiny
  31. physics

    To start an avalanche on a mountain slope, an artillery shell is fired with an initial velocity of 340 m/s at 45.0° above the horizontal. It explodes on the mountainside 41.0 s after firing. What are the x and y coordinates of the shell where it explodes,

    asked by Ashley
  32. physics

    A diffraction grating gives a second-order maximum at as angle of 31‹ for violet light (ƒÉ = 4.0 ~ 102 nm). If the diffraction grating is 1.0 cm in width, how many lines are on this diffraction grating?

    asked by Rach
  33. Physics

    If I wanted to right SIGMA F = ma in the proper notation what would I put above and below SIGMA Would I put a lower case "n" above SIGMA and "i = 0" below it and then put a subscript "i" under the "F" thank you I have been woundering about this as it makes

    asked by Kate
  34. physics

    A bag of cement of weight 300 N hangs from three wires. Two of the wires make angles θ1 = 50.0° and θ2 = 28.0° with the horizontal. Assuming the system is in equilibrium, find the tensions in the wires.

    asked by Ashley
  35. physics

    a person carries a 58kg package of books up a flight of stairs the length along the stairs is 24 meters the vertical height of the stairs is 12 meters how much work is done in raising the package I know the answer is 6800 J but how to get????

    asked by dani
  36. Algebra

    I am lost, and I bet it is simple, but I have been working with many problems and I keep coming back to this and I grow increasingly confused. How do I begin to solve this problem? In 1993 the life expectancy of males in a certain country was 71.7 years.

    asked by H
  37. physics

    Would you see the same thin film interference pattern in a film of soap surrounded by air and a film of soap on glass? Why or why not?

    asked by frank
  38. Literature

    I need help figuring out the exposition, complications, climax, and resolution of The Miracle Worker. I think some complications were when the Kellers weren't letting Annie do her job because they were pitying Helen too much? Or Helen wasn't cooperating? I

    asked by mysterychicken
  39. Algebra

    I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6,

    asked by Shane
  40. math

    find equivalent fractions with a common denominator and order from least to greatest. Pls. explain. ty 2/3, 1/2, 5/12

    asked by Sam
  41. adult education

    One purpose of a summary is to 1. save the reader time 2. correct errors in the original 3. change technical terms to everyday language 4. include your opinion on the topic

    asked by Marie
  42. health psychology

    Imagine you are witnessing a senate debate in Washington, D.C., hours before a vote on a comprehensive health care reform proposal. A significant number of senators are open to the idea, but are unconvinced to support full integration of health

    asked by april
  43. physics

    A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of vi = 14 m/s. The cliff is h = 39 m above the water's surface. (a) How long does it take for the stone to fall to the water? (b) With what speed does it strike the

    asked by Ashley
  44. English- Juluis Caesar

    I'm suppose to write approximately 100 words or half a page for each of these questions & I need a little bit of help! :S Question 1: After reading Act 1, Do you believe that Caesar might, indeed, be a threat to Roman Liberty? Question 2: After reading Act

    asked by Brandi
  45. Algebra/math

    I have a few problems I need you to take a look at and tell me if I arrived at the right answer. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and -6 for x I got these as my ordered pairs to graph (3, 1), (-6,

    asked by shane
  46. Literature

    I still need help finding the exposition and resolution of The Miracle Worker. I already know the definition of the two, but I can't find where the characters are all introduced in the play. And I'm not sure what to write about the resolution because it

    asked by mysterychicken
  47. Physics

    a plastic duck floats half-immersedi n water in the bathtub. What fraction of its volume would be immersed in a liquid of relative density 2.0?

    asked by Breezy
  48. algebra

    the units digit of a 2-digit number exceeds twice the tens digit by 1. find the number if the sum of its digits is 10. Please help i am completley lost!!

    asked by packy
  49. French

    Original Poem-Formula Poetry line one = a noun line two = 2 adjs. that describe the noun line three = a sentence describing noun. line four = another word that has the same meaning as noun. Could I have an example on this please.

    asked by Anna
  50. Trig

    We started a new lesson on Monday on identities. Our test is tommorrow. I have no idea of what I'm doing! Can somebody help me study?

    asked by Jennifer
  51. math

    last year Jodie invested $10000, part at 6% anual intrest and the rest at 8% annual intrest. if she received $760 in intrest at the end of the year how much did she invest at each rate. help is much appreciated plz help!!

    asked by Zoey
  52. pre algebra

    what is 5(2x-3)+8=9

    asked by Amber
  53. Math

    I am lost, and I bet it is simple, but I have been working with many problems and I keep coming back to this and I grow increasingly confused. How do I begin to solve this problem? In 1993 the life expectancy of males in a certain country was 71.7 years.

    asked by H
  54. psychology

    The scientific method is very important to psychology. What other disciplines can you envision making practical use of the scientific method? Is is used at all at your workplace?

    asked by Anonymous
  55. History

    Washington's main objective as president of the united states was to: (1) set up a court similar to that of Eurpoean monarchs. (2) establish respect for the office of presidency. (3) keep peace between the northern and southern states. (4) maintain his

    asked by Ed
  56. math

    -w-z=-2 and 4w+5z=16 im trying to solve this equation by using subsitution

    asked by kiearia
  57. financial

    Explain the effect of inefficient inventory management on the liquidity and profitability of the firm

    asked by ong
  58. 9th grade

    I'm doing this word search for my 9th grade honors physical science class, and i don't understand one thing. it says 'blue, striped and round are examples of this' when we're talking about matter and phases of matter and density/mass/weight/volume. stuff

    asked by Kelly
  59. AP Math

    Solve: log2(2x^2)[log2(16x)]= 9/2log2x

    asked by Anonymous
  60. geometry

    the measure of two sides of a triangle are 15 and 18. Between what two numbers must the measure of the third side fall?

    asked by nick
  61. Algebra

    Need some Homework help for my son and I am not doing so great figuring out the correct answer- all explanations a greatly appreciated..... he has the following 3 part word problem. Josh mows lawns after school and earns $25 for each lawn mowed. 1. write a

    asked by Jacki
  62. math

    State whether or not each figure has rotational symmetry. a) scalene triangle b) equilateral triangle c) rectangle d) square e) regular hexagon

    asked by chelsea
  63. math

    of a^2+b^2=2ab, prove log[(a+b)/2]=1/2(loga+logb)

    asked by Anonymous
  64. PHYSICS

    a 17 of model plane is flying at a horizontal speed of 14 m/s the plane goes into a dive and levels off 21 m closer to the earth what was the ammount of potentiomal energy lost in the dive

    asked by landon
  65. gr.7 math

    State whether or not each figure has rotational symmetry. a) scalene triangle b) equilateral triangle c) rectangle d) square e) regular hexagon

    asked by vanessa
  66. ela

    i am going to put test 1 than test 2for my drawing. i just need one more example. THAKYOU !

    asked by anu
  67. 6 grade math

    Find 3 uppercase letters that look the same when rotated 180 degrees.Then,what letter's 90,180,270 degree rotations has this outline?This is also the inside lines formed by the rotation of what letter?

    asked by Victoria
  68. CP Algebra

    Simplifying fractions. I can get from this: 4b^2-5b-6 __________ 8b^2 + 6b To this: (4b+3)(b-2) ___________ 2b(4b+3b) Not sure from there.

    asked by Amber
  69. physics

    Nate is 165 cm tall, 40 cm wide, and weighs 710 N. He needs to walk ten blocks (1000 m) against a 50 km/h head-wind. Nate pushes on the ground with the minimum force that allows him to move slowly forward at a constant speed, and against the drag from the

    asked by hilary
  70. math

    Solve for x: sin3x=1/2 Can someone please help me with this porblem? I'm not sure if my answers are right, but I obtained x=ð+12ðk/18 and x=5ð+12ðk/18.

    asked by Veronica
  71. Grade 7 Georgraphy

    How does the latitude of the sun Parlour compare to California?

    asked by Van
  72. chemistry

    Did the equation do not know the 2nd questions"s answers for the problems a) 2O3(g) = 3 O2(g) + heat (O3 IS UNDERLINED) [6.0x10-1] [0.21] b) 2 CO2 (g) + heat = 2 CO(g) +O2(g) (CO IS UNDERLINED) [0.103] [0.024] [1.18 x10-2] c) NO2(g) + O2(g) + heat =NO (g)

    asked by Shanta
  73. algebra

    pleae help solve: 3x-5y=7 and 5x-2y=-1

    asked by zac
  74. history

    OGT question List what you believe are the 5 most important effects of industrialization and explain why you chose those five.

    asked by donna
  75. English

    Can you check these two sentences for me? 1) he dreamed of equality of all people 2) he fought against evil 3) the Black Power Movement was more militant (OR a more militant group?) 4) A homowork agency does his homework in Paul's place (instead of for

    asked by Franco
  76. chemisty

    how many grams of KCL are there in 1200 ml of a 2% KCI solution

    asked by shon
  77. world history

    How did the Reformation in Great Britain affect the colonization of the New World? Explain.

    asked by Anonymous
  78. latin

    I am stuck on translating the below from Latin to Englis: Impluvium in illo atrio erat novem pedes latum. Multos dies ad montes iter fecimus. Any help on those two would be greatly appreciated.

    asked by Brandi
  79. Math

    I am supposed to find five ordered pairs to make the equation true y = 20 + x/3 so far I have (0,20) and (6,22) is this right? I am unsure because my text example had x^2 + 3x = y (0,0) (1,4) (2,10) (3,18) (4,28) and they have a common theme (muliply by by

    asked by Punkie
  80. HCA

    What can be considered the most problomatic factor that influences patient communication? Fow the most substantial I chose listening skills. I just need a lead, I am having trouble coming up with a problomatic factor.. I will elaborate on it once I find

    asked by Jen
  81. English

    i need this journal entry edited please? I Want It Undone Journal Entry: What I did to Jack should be unforgivable. Today I might have ruined Jack’s entire high school life. Part way through period one class, I asked to go use the washroom. I went to the

    asked by jake
  82. ela small project

    we have small project. i am confused what picture to draw for consider the options. our chapter name is face the challenges ( on stress). i have statement for that but i do not know what type of picture to draw. can you give some example.

    asked by anu
  83. English

    In the Crucible, At what point does Abigail first begin feeling cold? What effect does this event have on Danforth? What does it suggest about her motives?

    asked by Somebody
  84. marketing

    : You are working in the product development department of a company that creates household products. Your team has come up with an idea for a revolutionary new cleaning product. Using the seven phases of new product development as a guide, describe how

    asked by Robbie
  85. algebra

    Bob bought a fax machine for $750. The fax depreciates at the rate of $25 a month. Find a function "F" that can be determine the value of the fax machine t months after the purchase. Complete the model: F(t)=

    asked by Blake
  86. Math

    I am supposed to find five ordered pairs to make the equation true y = 20 + x/3 so far I have (0,20) and (6,22) is this right? I am unsure because my text example had x^2 + 3x = y (0,0) (1,4) (2,10) (3,18) (4,28) and they have a common theme (muliply by by

    asked by Punkie
  87. physics

    A ball attached to the end of a string is whirled on a horizontal circle at constant speed. Consider the linear momentum, total energy, and kinetic energy of the ball throughout its motion. Which of the following statements is true? Both linear momentum

    asked by hilary
  88. 6th grade math

    What is the prime factorization of 1,050

    asked by cassie
  89. Math

    2x+5y=16 5x-2y=11 Please help me solve this system of equations!! I keep getting no solution and i do not know what I am doing wrong.

    asked by Gaby
  90. 7th grade math

    what is angle of rotation?

    asked by Jacqulynn
  91. Spanish

    I'm curious to know if i translated these two sentences right: 1.The stop sign is located at the intersection. ~I translated: La senal de parada esta queda al cruce de calles. 2.It is very dangerous to drive a truck across the narrow bridge. ~I translated:

    asked by Lesley
  92. Social Studies

    What is the definition of cowhead? I can't find it anywhere! (this word is in my social studies text book)

    asked by Anya
  93. algebra

    Find the length of the hypotenuse of a right triangle whose legs are 8 and 15 units in length.

    asked by yelena
  94. SHAKESPEARE

    "Translate" the prologue to Romeo and Juliet from Shakespeare's poetry to your prose. Use the dictionary as necessary. Two households, both alike in dignity, In fair Verona, where we lay our scene, From ancient grudge break to new mutiny, Where civil blood

    asked by yelena
  95. chemistry

    calculate the heat energy required to raise the temperature of a 500 gram iron pipe from 25 degrees celcius to 100 degrees celcius

    asked by zigggy
  96. government

    do you think locke would have supported the colonists actions in the boston tea part? why or why not?

    asked by billy jean
  97. english

    I’ve to compare and contrast “Self-Reliance” by Emerson and “The Narrative of the Life of Frederick Douglass” by Frederick Douglass. I know that both writers share the idea that each individual should create their own identity and follow what

    asked by bindiya farswani
  98. Geometry

    Can someone explain inscribed circles to me? I do not understand whatsoever.

    asked by Ashley
  99. Physics

    If I wanted to right SIGMA F = ma in the proper notation what would I put above and below SIGMA Would I put a lower case "n" above SIGMA and "i = 0" below it and then put a subscript "i" under the "F" thank you I have been woundering about this as it makes

    asked by Kate
  100. math

    if a gift is 42.40 including tax,what is the retail price for the gift if the sales tax is 6% ??

    asked by gaby
  101. Business

    what is interpersonal" communication

    asked by Bryan
  102. Math

    If a company pays $4.90 dividend at the end of the year, and the stock price is $70, and the growth rate is 6% can you tell me what the required rate of return would be using the dividend yield and growth rate (capital gains)?

    asked by Robert
  103. algebra

    write equivalent expression using radical notation (a^2b^2)^1/3

    asked by Diana
  104. Math Help

    Hunter gave his sister $3. He earned $12, then he paid $6 for lunch. Now Hunter has $18. How much money did Hunter have to start with? I'm confused. Please help.

    asked by Anonymous
  105. History

    1.What impact did Thomas Paine’s writing of “Common Sense” have on gaining support for the American’s cause? 2.What is the significance of the “signing” of the Declaration of Independence by members of the Continental Congress?

    asked by Shadow
  106. AP World History

    How can I show Change and Continuity in the American Environment between 600 AD - 1750 AD?

    asked by Joe
  107. 11 grade Lit.

    Did Mr. Smooth-it-away in The Celestial Raidroad decieve someone?

    asked by Christina
  108. Geometery

    I need to know the laws of triangle inequality. i need help what is triangle in equality?

    asked by Francesca
  109. Calculus

    Find the instantaneous rate of change of the volume V=(1/3) pi r^2 H (all put together) of a cone with respect to the radius r at r=a if the height H does not change. I truly appreciate all of ya'll help! Thanks!

    asked by Ryan
  110. chemistry

    What is the smallest volume of water at 20c that could be used to dissolve and remove potassium nitrate impurities and leave pure sodium hydrogen carbonate?

    asked by Jamie
  111. AP Statistics

    if the probability of a swan drowning is .27, find the probability of exactly 4 out of the 7 swans drowning.

    asked by Belle
  112. AP Statistics

    if the probability of a dribbling drummer is .38, find the standard deviation of the dribbling drummers drumming for the twelve drummers drumming

    asked by Belle
  113. algebra

    In which direction does the parabola that is given by the equation below open? y = -4.5(x - 6)2 + 1

    asked by Tamra
  114. human resource

    Explain if the internet has helped or hindered the recruitment process? why or why not?

    asked by pj
  115. algebra

    If the lenght of a rectangle is 15 inches longer than its width whats an equation to represent the area of the rectangle?

    asked by LC Clark
  116. science

    why eating carrots is important for good vision?

    asked by sandrine
  117. French

    1.Est-ce que tu travailles dans une boutique, un magasin ou un grand magasin? 1.Je ne travaille pas n'importe où pour le moment. 2.Est-ce que tu aimes acheter des vêtements? 2.Oui, j'aime acheter des vêtements. 3.Qu'est-ce que tu cherches quand tu vas

    asked by Anna
  118. HIS125

    what are some social, economic and political changes that played a role in the changing, vibrant city culture? How would they be significant to growth and change in the country as a whole??

    asked by ggift
  119. SCIENCE helppp!!

    Our sun is what scientists call a "yellow-green star." Does it emit energy in the frequency of red light? I have no idea!

    asked by Anonymous
  120. physics

    find time it takes for a sprinter to accelerate from rest to 10 m/s. If acceleration is 4.0 m/s sq.

    asked by Anonymous
  121. ela

    ms sue you did not told me these two 1. white board with a word misspelled in a couple of ways -- and finally the right way. . rowing away from a sinking ship

    asked by anu
  122. Algebra

    how would you change Y=-2/3x-12 into simplified form? (Ax+By=C)

    asked by Doublen
  123. Science

    WHat are advantages and disadvantages of solar energy?

    asked by Ramandeep
  124. math

    2/9x26 by using estimating product

    asked by jeff
  125. Math

    If you lay in the hot sun for 4 hours, you will become sunburned. Nicole is not sunburned. Therefore.... My answer is therefor she did not stay in the sun longer than 4 hours.... I am not sure and I don't understand the full question

    asked by Pooh
  126. English

    Can you check the mistakes in the following sentences? 1) The American Civil Rights Movement was a fight organised by M.L.King (was a non-violent organisation led by M..???) 2) It was different from the Black P Movement because the first (better the

    asked by Franco
  127. Social Studies

    Which areas of the social studies definition are underrepresented in schools today?

    asked by Anonymous
  128. international business

    Some argue that translation gains or loses are not important so long as they have not been realized and are only accounting entries. what is the other side of that argument?

    asked by jim
  129. French

    1.Est-ce que tu travailles dans une boutique, un magasin ou un grand magasin? 1.Je ne travaille pas n'importe où pour le moment. 2.Est-ce que tu aimes acheter des vêtements? 2.Oui, j'aime acheter des vêtements. 3.Qu'est-ce que tu cherches quand tu vas

    asked by Anna
  130. 4th grade

    what is 1/7 5/6 1/42 11/42 in greatest to least

    asked by nereyda
  131. voting

    What are 3 pieces of information requested on a PA voter registration card? Name the 5 positions that comprise(or make up) an Election Board.

    asked by kate
  132. US History

    I'm really confused about this. My history textbook said that during reconstruction, Southern states were ordered to hold conventions which would "repudiate Southern debts." It doesn't make sense that the US federal government would tell confederate states

    asked by John
  133. English

    1) At first he lowered his friend on his rope down the mountain (is it correct to use lower) but as his friend was pulling him off the mountain he decided to cut the rope. 2) He decided to cut the rope so as not to fall off the mountain (is "so as not"

    asked by Franco
  134. science

    a concave mirror is also called a converging mirror. explain why

    asked by Ashley
  135. 8th grade math

    if I know the volume of something how do I find out what the length width and height are?

    asked by Roger
  136. computers

    why is it recommended to establish a formal evaluation criterion when considering the purchase of hardware for the organization.

    asked by Lisa
  137. Math

    Unscramble Ceirhaplcrg

    asked by Bre
  138. How come you skipped my question??

    why?

    asked by Keyshia
  139. math

    Claire's old aquarium has a volume of 27,000cm3. She bought a new aquarium in which the length and width are 5 times those of her old tank. What is the volume of Claire's new aquarium?

    asked by Roger
  140. Math

    choose 5, 10, 100 as the most reasonable interval for 5,16,20,11,15

    asked by Antiono Gipson
  141. English

    Can you check these sentences for me? 1) They search to not throw away so manu plastic bags (they try not to throw so many .... away??) 2)He enjoyed not having a conscience (he enjoyed having no conscience) 3)he couldn't keep in control that situation

    asked by Franco
  142. 4th grade

    what is the trade first method,i know the counting up method but don't what they mean by the trade first method

    asked by danny
  143. Biology

    In general, the frequency of APs in an afferent neuron is related to the amplitude of the receptor potential in the following way: a. exponentially. b. there is no general relationship. c. logarithmically. d. linearly. Is it exponentially? The other

    asked by Alex
  144. algebra 2

    p^5 p^-4 z^2 divided by z^-5 zp^3 -21a^2 b^8 divided by -18a^-4 b^10 (2kr^3)^-3 divided by 4k^-2 r^6

    asked by nicki
  145. geometry

    what is the name of a figure that has 2 sides that measure 25ft. each and 2 sides that measure 10ft. each

    asked by ashley
  146. Speech

    I am doing a speech on how to put on a shoe. Minimum speech time : 2 Minutes. How can i make this work ?

    asked by Mary
  147. ela small project

    Do you have more example please

    asked by anu
  148. reading

    where can i find the answers to a book i read ? The book is shark girl.

    asked by steff
  149. algebra

    what does this mean in algebra? upsidedown v

    asked by M
  150. Criminal justice

    Do you think involvement by a prosecutor in the original stages of an investigation is a good idea?

    asked by ryan
  151. ela project

    i have two: 1. If the first resolution does not give results try once again 2. Errors are a source of experience

    asked by anu
  152. math

    if wayne completed a task in one hour and sarah completed a task in two hours, how long will they take if they work together?

    asked by Anonymous
  153. Riddle

    The man who made it sold it.. the man who bought it never used it.. and the man who used it never saw it and he was not blind?

    asked by Terrie
  154. biology

    why eating carrots is important for good vision?

    asked by sandrine
  155. science

    where do electrons float

    asked by Katherine
  156. ela project

    i did not uderstand "two simple numbers "

    asked by anu
  157. spelling

    whirldwind:breeze:: downpour:

    asked by Anonymous
  158. ela project

    thankyou for giving me an example. but need 2 or 3. can you give some more? please

    asked by anu
  159. science

    list and explain the 3 types of bonds..please help me...:(

    asked by Katherine
  160. algebra

    how do you do 4{n+3} --------= n-3 5

    asked by mauresa
  161. ela project

    i made one make a box than put option number one than put X ( wrong)

    asked by anu
  162. math

    what is 1/5x24 by using estimating product

    asked by jeff
  163. math

    4/7x20 by using estimating product

    asked by jeff
  164. math

    5/8x19 by using estimating product

    asked by jeff
  165. math

    3/8x17 by using estimating product

    asked by jeff
  166. phys

    What is the minimum lens size (in meters) that will permit just resolving 2 stars 1.1 second apart using light of 510nm?

    asked by bun
  167. math

    1/5x26 by using estimating product

    asked by jeff
  168. 5th grade MATH

    SOLVE THIS EQUATION 3N+2=? n is 2

    asked by JUSTINA
  169. pre algebra

    a porcupine has a mass of 27kg. a cat has a mass of 6,300 k. which animal has the greater mass

    asked by patricias
  170. math

    1/2x17 by using estimating product

    asked by jeff
  171. math

    3/7x29 by using estimating product

    asked by jeff
  172. math

    2/9x26 by using estimating product

    asked by jeff
  173. math

    5/8x41 by using estimating product

    asked by jeff
  174. math

    7/8x30 by using estimating product

    asked by jeff
  175. math

    3/4x35 by using estimating product

    asked by jeff
  176. math

    2/3x35 by using estimating product

    asked by jeff
  177. math

    6/11x32 by using estimating product

    asked by jeff
  178. math

    estimate 4/5of 49

    asked by jeff
  179. health

    Mary was receiving Medicaid in Texas. When she moves to California, can Mary assume that she’ll receive the same coverage there?

    asked by Anonymous
  180. cooking class

    what's a violet betsey an this is for a foods class so food relatted please

    asked by amanda
  181. algebra

    How do you do standard form

    asked by daniel
  182. Accounting

    what are the different types of accounting budgets?

    asked by Cricket
  183. chemistry

    what is the Symbols and Names of Common Metal Ions with More than One Ionic Charge of CuSO4

    asked by Andrea
  184. chemistry

    i have difficulty in this question. any help would be appreciated. 1) What pH corresponds to each of the following: (a) (H+)=0.35M,(b)(OH^-)= 6.0*10^-6M. (d)(H+)= 2.5*10^-8M?

    asked by sandrine
  185. chemistry

    i need help with this question. What pH corresponds to each of the following: (a) (H-)=7.3*10^-5M, (b)(H+)=0.084M,(c)(OH-)= 3.3*10^-4M, (d) (OH-)= 0.042M? Thank you.

    asked by victoria
  186. math

    I have no idea how to do these please help(: evaluate each of the following 1. 81^-1/4 (81 to the negative power of one fourth) 2. 125^2/3 3. 64^-3/2 4. 4^3/2 answers and work please

    asked by katrina
  187. chemistry

    i need help with this question. any help would be appreciated. 1) What concentration Of H^+(aq) corresponds to each of the following:(a)pH=3.33,(b)pOH=3.33,(c) pH=6.78,(d)pOH=11.11?

    asked by donna
  188. math

    I have no idea how to do these please help(: evaluate each of the following 1. 81^-1/4 (81 to the negative power of one fourth) 2. 125^2/3 3. 64^-3/2 4. 4^3/2 answers and work please

    asked by katrina
  189. social studies

    Between 1935 and 1957, a period that included World War II, the birth rate rose from 16.9 to 25 per 1000 people. What was the most likely cause of this "baby boom?"

    asked by Neha
  190. 4th grade

    i need facts about bass

    asked by Anonymous
  191. the sea-floor spreading

    Draw a diagram that can be used to explain sea-loor spreading. Label your diagram.

    asked by astou
  192. social studies

    without our two great political parties cutting across economic and goegraphic intrests, democracy as we know it could never have been made to function. the author of this statement probably meant to suggest what?

    asked by danni
  193. math

    5cars 3 balls 2 fish How many more children like cars than fish 5 cars 3 balls 2 fish How many few children like fish than balls

    asked by Bianca
  194. chemistry

    Q.1Explain why CH3COOH2^+ is in terms of protonic concept? Q.2 0.1 mole HCl is dissolved in distilled water of volume V then at a limit V =infinite pH of the solution is equal to______? Q.3One litre of water contains 10^-5 moles of H^+ ions at 25 degree

    asked by anonymous
  195. algebra

    Which is greater? 7 3/4 or 7 2/3

    asked by Joel
  196. algebra

    if u cut any size circle 5times , what is the greatest amount of pieces i can get?

    asked by paige
  197. English

    Can you help me express these two sentences in a better way? 1) He thought that men are divided into a part of good and a part of pure evil and he wanted to separate them 2) The American Civil Rights M. fought with demonstrations against the laws of social

    asked by Franco