Questions Asked on
October 13, 2009

  1. Honors Chemistry

    Can someone check my work please? Thanks :)) 2. Write the formulas for the compounds formed between the following: g. Cu+2 and NO3- (the +2 and - are superscripts, while the 3 is a subscript) ===> I got Cu(NO3)2. h. NH4 and SO4(2-) (the two 4's are

    asked by Emily
  2. statistics

    Assume the population distribution of FEV is normal with standard deviation 400 mLi. (a) find P(E) is n=15 and population mean is 2800 mLi (B) find P(E) is n=15 and the population mean is 2600mLi (C) How does P(E) depend on the population mean?

    asked by Sam
  3. math

    Determine two coterminal angles (one positive and one negative) for the given angle. Give your answers in radians. a) 8pie/9 b)8pie/45 I know that you have to add 2pie but I do not know how to do that.

    asked by Hannah
  4. writing skills

    Find the sentence with the active voice. A. The chairman told me that the legislature passed the bill. B. It was voted by the legislature to pass. C. The bill was passed by the legislature. D. I was told by the chairman that the bill was passed by the

    asked by me
  5. Calculus

    Find the derivative of f(x)=x^2sinh^(-1)(3x)?

    asked by Z32
  6. Computer Science Java

    I have to write program for a dice game and use a boolean variable in the application class of the dice game that equals true when snake eyes, doubles, and box cars have been meet. I am having a little trouble doing that in my application class so I was

    asked by Lisa
  7. Physics

    What angle should you rotate a mirror so that a reflected ray rotates through 28 degrees. I got 20, but i am not sure, please help

    asked by Sammy
  8. org. chem.

    Name some advantages of using acetaminophen (tylenol) instead of aspirin as an analgesic.

    asked by CM
  9. Programming

    Hello, I seem to be having some difficulties with an assignement of mine, and pretty much need a fill in the blank for a program I have written for it. Heres the assignment: In this lab, you will demonstrate your understanding of two-dimensional arrays by

    asked by Tim
  10. adult education

    How aeration efficiency of fermentors is compared?

    asked by Anonymous
  11. economic

    why it is incorrect to advertise up to the point that the last dollar of advertising generates another dollar of sales? What is the correct rule for the marginal advertising dollar ??

    asked by dolly
  12. Calculus

    Sketch the solution curves for y'=xy How do I sketch this??? Where do I start?

    asked by Emma
  13. Medical Physics

    A 18000kg airplane lands with a speed of 77 m/s on a stationary aircraft carrier deck that is 115 m long. Find the work done by nonconservative forces in stopping the plane. I have an exam on this tomorrow and I am confused any help would be appreciated.

    asked by Leah
  14. art

    what plants and animals,insects,fish lives in a river in nz

    asked by Anonymous
  15. animals

    what plants and animals,insects,fish lives in a river in nz

    asked by Anonymous
  16. Physics

    A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 7.70 m/s at an angle of 23.0° below the horizontal. It strikes the ground 6.00 s later. (Ignore air resistance.) (a) How far horizontally from the base of

    asked by Maria
  17. physics

    A box of books weighing 280 N is shoved across the floor of an apartment by a force of 390 N exerted downward at an angle of 35.1° below the horizontal. If the coefficient of kinetic friction between box and floor is 0.57, how long does it take to move

    asked by luc
  18. math

    when y=-sinx and y=sin2x - sinx are added together and graphed, why do the maximum values of two sin functions occur where they do?

    asked by ellen
  19. design technology -again !

    my assignment is to find examples of products where designers have thought outside of the box i have already asked this question but im still struggling ms sue kindly helped me but i need to find 2 more examples. i can`t think of anything ive looked on

    asked by aleisha
  20. English

    Where can I search for an oratorical piece about World Peace?ex.How to Achieve World Peace by Ma.Casselle Legaspi(Cebu City,Philippines)

    asked by Arrah
  21. dt

    for my homework i need to find a picture of a product where the product designer has thought out of the proverbial box.ive looked on the site ms sue suggested for Aleisha and i am going to use that one i just need to find one more i cant think of anything.

    asked by herbie
  22. Politics and Environmental Risk

    Provide a brief summary differentiating conservation and preservation

    asked by F
  23. arithmetic

    4th &7th term is 20 & 32 , find a ,d & nth

    asked by payal
  24. reading/english

    what is the toic and implied main idea of this paragraph? I don't understand it Where do our notions of family come from? One way we get information is through experience and that of our friends and relatives. Another important source of information is the

    asked by jerson
  25. Maths

    I have a trig question regarding a ferris wheel, radius 35m, axles 37m, clockwise direction, rotates twice every 10 mins. I have calculated the following function: h = -35cos(2pi*X/5)+37 I have calculated at what height I would be after 3 minutes by

    asked by Melody
  26. 7th grade- Social Studies

    I need help on these questions! Q.ow many brothers did Andrew Johnson have and what were their name(s)? A. I wrote Hugh and Robert but I am not sure if that is right. Q. What happened to the Johnson's home during the Civil War? A. I could not find the

    asked by Lisa
  27. Ms Sue design technology

    sorry to post again but could you check if this is right what angel wings kindly suggected. a product which a designer has thought out of the box robotic vacuum cleaner or a robotic mower.

    asked by aleisha
  28. 7th grade- Social Studies

    Can you tell me if this is correct. Q. What positionn did Abraham Lincoln appoint Andrew Johnson in 1861 after the Civil War began? A. He was appointed to State Military Governor.

    asked by Lisa
  29. math, blind student

    What is a scatter plot? My math book is on tape and I have no idea what I'm supposed to do.

    asked by Claire
  30. writeacher

    thankyou so much for that it gave me some ideas.:)

    asked by aleisha
  31. english

    what are some good speech topics?

    asked by 1234
  32. math

    what kind of number would you consider one to be? Is it a prome number? Thanks to all who reply!

    asked by 1234
  33. koalas

    Does anyone have some interesting facts about koalas. I know that they are not considered to be bears.

    asked by 1234
  34. Math

    1) Given that f(x,y)=xy/x^2+y^2, hence show that f(xy) = f(yx) 2) use the mean value theorem to determine the value of c, given that f(x) = cos5x

    asked by Max 2
  35. social studies

    the voters in a district

    asked by b
  36. dt

    i have thought of another product a mobile phone i don`t even know if im on the right track. sorry i know i sound thick but cant get it into my head what im looking for. thankyou for helping me

    asked by herbie
  37. goverment

    when was the decleration of indinpendince sign plllzzz help

    asked by mario
  38. English

    Hello everybody! Can sbody tell me the differences between: at a certain time and by a certain time? Pls, i have to explain it to tho class tomorrow!

    asked by Lulu
  39. Chemistry 130

    Can someone please help me with this question? I don't even know were to begin! 1. What is the relationship (i.e. direct or inverse) between pH and hydrogen ion concentration? Remembering that pH= -log[H+]. Thanks for the help!

    asked by Taylor
  40. to Lulu - re English

    Please do not post a question more than once. If you have further questions, please post under the original question.

    asked by Writeacher
  41. Creative Writing. ms.sue

    ok . here's the 2nd && 3rd paragraph: It was when I woke up that I found out that my parents had left for the hospital. This news was much unexpected and caught me by surprise. Immediately I was filled with pleasure and enthusiasm; I had been waiting for

    asked by y912f
  42. Writing skills 1

    Which of the following topics would lend itself only to a formal style of writing? A. Folk Songs I Have Sung B. Psychological Effects of Nuclear Weapons C. How I Lost 10 Pounds D. Why Living in the Country Is Better Than Living in the

    asked by Pag
  43. Geography

    18. Which of the following is NOT true in regard to Brazil's interior plateau? a. it experiences periods of drought b. its soil is often devestated by heavy rains that cannot penetrate the dry, hard, ground. c. poverty is prevalant in this region d.

    asked by mysterychicken
  44. Psychology/Communication

    In the movie Shrek how does Shrek evolve during the movie in regards to his self concept and how he communicates with others?

    asked by Ashlynn
  45. anatomy

    is there a good way to memorize the bones of the body? I have to know names, location, and what they look like.

    asked by christian
  46. BAF 260

    What do I do to created a spreadsheet in excel?

    asked by Debbie
  47. French

    How do you unscramble the letters "sntraciu" to make a french word?

    asked by Kim
  48. Engineering

    The boat is to be pulled onto the shore using two ropes. If the resultant force is to be 400N, directed along the keel, determine the magnitudes of forces T and P acting in each rope and the angle theta of P so that the magnitude of P is a minimum. T acts

    asked by Claire
  49. English

    Pls, if you know the answer, help me! Explain: At a time and by a time..... with examples, and deffinition or explanation. thank you xoxo

    asked by Lulu
  50. chemistry

    in regard to the reverse freezing process of water(when it expands) and others molecules contract.. is it only water that does this or is it all the hydrogen bonded molecules?? ( N,O,F) NH3, H20 anf FH...my science teacher doesn't know the answer and i'd

    asked by Luke
  51. college

    One of the major debates within the field of psychology is the degree to which nature versus nurture shapes human behaviors and traits. What comprises our nature?

    asked by fe
  52. Chemistry130

    Can someone please help me with this? Are these substances acids or bases? 1. Tums- Base, right? 2. Vitamin C- Acid, right? 3. Nail Polish Remover- Base or Acid? 4. Coca Cola Pop- Acid, right? 5. Cream of Tarter- Acid, right? 6. Calamine Lotion- Base or

    asked by Adam
  53. Creative Writing

    i have an assignment which i'm really confused on. here it is: usually when you want ot define a word, you reach for a dictionary because that's the best source for finding the precise meaning, or definition, of a word. however, we will explore the ways

    asked by y912f
  54. science

    pls could u give me a website with all the science warning signs on in pls?

    asked by holly
  55. english

    1. In which one of the following sentences could you best use a semicolon? A. If you ask me, Jerry is a tennis whiz. B. Lucille bought a new tennis racket and brought it home. C. Jerry loves tennis he plays every day. D. When she is worried, Lucille eats a

    asked by alex
  56. just questions

    Why is poverty experienced by Native Americans and that experienced by other groups?

    asked by Bee
  57. Chemistry HELP

    Can someone help me with these....I just need to make sure they are right and if not can you help me figure out the right one's? What is the chemical name of the active ingredient in each item.... 1. Tums- calcium carbonate, right? 2. Vitamin C- ascorbic

    asked by Adam
  58. The future now

    Are Native Americans successfully assimilating into American Society?

    asked by Faye
  59. Math

    To find the length of the longer leg of a 30°–60°–90° triangle, multiply the length of the shorter leg by _______. To find the length of the shorter leg of a 30°– 60°– 90° triangle, multiply the length of the longer leg by _______.

    asked by Jenny
  60. Calculus

    Newton's Law of Cooling states that the rate at which an object cools is proportional to the difference in temperature between the object and the surrounding medium. Thus, if an object is taken from an oven at 303 F and left to cool in a room at 74 F, it's

    asked by Z32
  61. Geography

    I have to use the hints given to find out what place is being talked about- 31. "We had our picnic near the capital of this new nation, which used to be the eastern part of Czechoslovakia." ...Slovakia? 32. "The person collecting these samples writes that

    asked by mysterychicken
  62. Socialogy

    Some associate Indian Gaming is financial security for Native Americans.If this is the case, why is poverty experienced by Native Americans ad that experienced by other groups?

    asked by Bee
  63. Creative Writing. ms.sue

    Has there ever been a time or situation when you had a great amount of emotions going through your head? For me it was the day when my baby sister was born. The memory of that day is so clear and vivid in my mind that I don’t think it will every fade

    asked by y912f
  64. science

    how the particals behave in the reaction between iron and suiphur

    asked by GG
  65. geography

    Case study 1 Country:Japan, Date:17th Jan 1995, Area:Kobe, Type of settlement:City, Tectonic plates involved: Pacific plate and Eurasian plate, Richter Scale magnitude:7.3, Duration of earthquake:20 seconds, Estimate death toll:6500. Case study 2

    asked by freddie
  66. psy240

    Discuss with Mary the neuroendocrine system’s involvement in sexual development.

    asked by trudy
  67. Geography for Ms.Sue

    Thank you for your help. For the differences and similarities, please can you tell me if I have put the answers into the 'correct' category. Thanks again.

    asked by freddie
  68. hsm260

    The following data represent total personnel expenses for the Palmdale Human Service Agency for past four fiscal years: 20X1 $5,250,000 20X2 $5,500,000 20X3 $6,000,000 20X4 $6,750,000 Forecast personnel expenses for fiscal year 20X5 using moving averages,

    asked by hopeless student
  69. Creative Writing. ms.sue

    ok ms.sue. i'v fixed everything you told me to in the four paragraphs. now please just check the last paragraph. and i'm done with the essay: Has there ever been a time or situation when you had a great amount of emotions going through your head? For me it

    asked by y912f
  70. science

    can you giveme some examples of acids and alkali please?

    asked by eryn
  71. Psychology

    In the movie Shrek how does Shrek evolve during the movie in regards to his self concept and how he communicates with others?

    asked by Ashlynn
  72. Physics

    A proton, moving with a velocity of vinitial i, collides elastically with another proton that is initially at rest. Assuming that the 2 protons have equal speeds after the collision, find (a) the speed of each proton after the collision in terms of

    asked by Brian
  73. 4 grade math

    find a rule for the output values. write the rule as an eqution that includes the variable A and B. 1. output B: 5,7,9,11 2. output B: 10,7,4,1 3. output B: 6,12,24,48

    asked by 4 grade math
  74. algebra

    what are the three rules for expontents?

    asked by julie
  75. math

    write a sequence for the rule. 1. a - 4 = b 2. a +(2-1) = b 3. a - (3-3)= b 4. a +(4 - 3) = b 5. (a + 2) - 2 = b 6. (a + 4) - (2 -1) = b

    asked by math
  76. Grammar Check

    Can you please see if what I wrote is in formal language and the grammar is correct? Thank You In the novel, Dos Passo's women never equaled success, were mainly considered prositutes, married to get ahead, and were failures when it came to keeping a

    asked by Unknown
  77. 8th grade physical science

    A student measured the mass of an object and obtained the following results: 10.1 g, 11.0 g, and 10.5 g. The actual mass of the object was 10.6 g. a. What should the student report as the mass of the object? My answer: The student should report the mass as

    asked by Evangeline
  78. Physics

    ***EXTRA CREDIT*** An arrow is fired with a speed of 20.0 m/s at a block of Styrofoam resting on a smooth surface. The arrow penetrates a certain distance into the block before coming to rest relative to it. During this process the arrow's deceleration has

    asked by Robert C
  79. geography

    how to write an entire address with continent, hemisphere and of course planet

    asked by kelly
  80. Science

    What combination of precision and accuracy is the most desirable for any measurement? What combination is least desirable? I'm not exactly sure how I should answer this question. Please help if you can!

    asked by Evangeline
  81. science

    what is the science behind quidditch

    asked by Anonymous
  82. trig

    Lindsay is out one night and notices that her body casts a shadow that is 1.8m long when she is standing 5mfrom the pole supporting a street light Lindsay is 1.5m tall. 1-what is the angle of elevation to the street light ? 2- how high is the street light

    asked by shelby
  83. Mass Communication Studies

    SEXUAL CONTENT IN ADVERTISING AND MASS MEDIA PROGRAMMING Comment and discuss about this continued trend in the "liberalization" of media content despite the last few decades of conservative "family values" political movements and organizations - and their

    asked by Audrey
  84. trig

    Joe looks directly north and sees mount Thomas that has an elevation of 2300m above sea level the angle of elevation to mount Thomas from his point of observation is 22 degrees when Joe looks directly east from the same point of observation he sees mount

    asked by shelby
  85. trig

    Joe looks directly north and sees mount Thomas that has an elevation of 2300m above sea level the angle of elevation to mount Thomas from his point of observation is 22 degrees when Joe looks directly east from the same point of observation he sees mount

    asked by shelby
  86. trig

    Lindsay is out one night and notices that her body casts a shadow that is 1.8m long when she is standing 5mfrom the pole supporting a street light Lindsay is 1.5m tall. 1-what is the angle of elevation to the street light ? 2- how high is the street light

    asked by shelby
  87. French

    Can you check this paragraph we are supposed to do for our french class. Directions: Write a paragraph about what you did yesterday. Use the passé composé. Need 8 sentences (but not the conclusion yet the teacher hasn't given it to us) And be sure to use

    asked by Winter
  88. Geography

    It has been said that Eastern Europe is a political region more than a physical region. Would you agree or disagree with this statement? You must provide a solid argument for your position. --I wasn't really sure about this, so I got some help from google.

    asked by mysterychicken
  89. social studies

    What aspects of life in the seventeenth-century England would you find the most different from life today? Select three or four concrete examples of life in the seventeenth century that seem unusual to you, and explain why you find the unusual.

    asked by Bradley
  90. English

    Hi, I need to describe the Michigan State coin without using is, are, were, will be, and helping verbs. Could anyone help me?

    asked by Anonymus
  91. Chemistry

    Can someone please check to see if I balanced this chem. equation which is an incomplete combustion reaction: 2C3H8 + 11O2 ->> 3CO2 + 4H2O +2CO +C(s) My answer: 7C3H8 +22O2 -->> 6CO2 + 28H2O +4CO +11C Thanks!

    asked by Anna
  92. Grammar and Composition

    please check these answers for me: Underline all the nouns in the following sentences. Above each, LABEL whether it is concrete or abstract by writing a "C" or an "A." This part is worth 18 points. 1. Lorie and her friends went to a movie on the Fourth of

    asked by y912f
  93. Grammar and Composition

    Please check these for me: Write the plurals of the following singular words. 1. hero : heroes 2. sheep : sheep 3. sister-in-law : sisters-in-law 4. journey : journeys 5. princess : princesses 6. spoonful : spoonfuls 7. victory : victories 8. stepchild :

    asked by y912f
  94. Geography

    22. A peninsula of peninsulas" describes a. the United Kingdom b. Northern Eurasia c. Western Europe d. Germany I was given a map last time I asked this so...I think it's B..or it might be C but I think it's more of B -MC

    asked by mysterychicken
  95. calculus

    just wondering if someoen could help me with this limit..: lim arctan[(x^2 - 4)/(3x^2-6x)] x->2

    asked by thomas
  96. physics

    A box is given a push so that it slides across the floor. How far will it go, given that the coefficient of kinetic friction is 0.15 and the push imparts an initial speed of 3.9 m/s?

    asked by DJ
  97. Physics

    The 60 kg climber in Fig. 4-52 is supported in the "chimney" by the friction forces exerted on his shoes and back. The static coefficients of friction between his shoes and the wall, and between his back and the wall, are 0.82 and 0.58, respectively. What

    asked by Anonymous
  98. Social Studies

    How do you know that Sumerian society developed after the Stone Age???

    asked by Emma
  99. Physics

    A window washer pulls herself upward using the bucket-pulley apparatus shown in Fig. 4-42. The mass of the person plus the bucket is 69 kg.How hard must she pull downward to raise herself slowly at constant speed?If she increases this force by 11 percent,

    asked by Shane
  100. Algebra

    Solve -3x-5 is greater than or equal to 16 Would the solution be x is less than or equal to -7?

    asked by Anonymous
  101. Algebra

    Solve 4(2x-3) < 3x+6 Would the solution be x > 18/5?

    asked by Anonymous
  102. Algebra

    Solve x^2 -3x is greater than or equal to 10 Would the solutions be x=5 and x= -2?

    asked by Anonymous
  103. Algebra

    Solve the absolute value equation. I I will represent absolute value I 2-3x I = 11

    asked by Anonymous
  104. Algebra

    Solve the absolute value equation. I I will represent absolute value I 2x-4 I -1= 11 Would the solutions be x=8 and x= -4?

    asked by Anonymous
  105. Algebra

    Solve the absolute value equation. I I will represent absolute value I y+3 I +5=2y Would the solutions be 8=y and y=2/3?

    asked by Anonymous
  106. syllable patterns

    how can you tell rather the first vowel in a word has a long or short vowel and how do you divide them

    asked by ericka
  107. Algebra--Correction?

    Solve 4(2x-3) < 3x+6 Would the solution be x > 18/5? * Algebra - Reiny, Tuesday, October 13, 2009 at 5:30pm yes again! Hold on... Looking back on this problem, wouldn't it be x < 18/5 since you need to flip the sign when you divide by a negative?

    asked by Anonymous
  108. Egypt

    The comparing and contrasting the civilization of Egypt and Mesopotamia.

    asked by Troy
  109. Algebra--Correction?

    Solve x^2 -3x is greater than or equal to 10 Would the solutions be x=5 and x= -2? Here's how I figured it. x^2-3x is greater than or equal to 10. I subtracted 10 from both sides. This left me with x^2-3x-10 is greater than or equal to 0. Next, I factored

    asked by Anonymous
  110. Calc--derivatives

    find the der of y= x^(lnx) thanks

    asked by Carolina
  111. Psychology

    In the movie Shrek how does Shrek evolve during the movie in regards to his self concept and how he communicates with others?

    asked by Ashlynn
  112. Algebra--Correction?

    Solve the absolute value equation. I I will represent absolute value I 2x-4 I -1= 11 Would the solutions be x=8 and x= -4? * Algebra - Reiny, Tuesday, October 13, 2009 at 5:41pm I just mentally tested x=8. It did not work in your equation take the -1 to

    asked by Anonymous
  113. College English

    How do I fix this run together sentence? Even though Jane Falk, the protagonist was upset at first after finding out that her husband had been killed in a carriage accident and went to up to her room to grieve alone, she stared out the window and thought

    asked by Betty
  114. 3rd grade

    Lauren has collected 150 nickles and dimes. She has 70 more nickles than dimes. How many of each does she have?

    asked by Logan
  115. math

    Is it possible to have two right angles as exterior angles of a triangle?

    asked by unknown
  116. sound science,

    an ____________________ can be made when sound bounces off an object.

    asked by poppy
  117. Grammar Check Ms. Sue

    Can you please see what I wrote is in formal language and the grammar is correct.Thank you. In Ellen's relationships all she wants to do get ahead. Ellen fails so miserably with love because the world moves so quickly that she does not have time to stop

    asked by Unknown
  118. Political Science

    What does the term red tape mean, and how does it relate to the federal bureaucracy? To what extent is Congress to blame for bureaucratic red tape? What are some of the benefits of the federal bureaucracy? What are some of the drawbacks to the current

    asked by Rayna
  119. spanish

    I'm confused on what the directions tell me, and what I'm supposed to do. The excersise says: Hay personas que hacen muchas cosas. Hay otras que no hacen nada. Exprese eso en oraciones negativas. I know part of it says... There are people who do many

    asked by Jill
  120. 6th grade

    y-12=16?

    asked by jordon
  121. Physics

    A chair of weight 85.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 44.0 N directed at an angle of 42.0 degrees below the horizontal and the chair slides along the floor. Using Newton's laws,

    asked by Anonymous
  122. Algebra

    the lenght of a rectangle is fixed at 19 cm. What width will make perimeter greater than 70 cm?

    asked by Jeff
  123. algebra

    The formula I=PRT gives the amount of simple interest I earned by principal P at an annual interest rate R over T years. Solve this formula for P.

    asked by Jenai
  124. math

    My digits are the same. Their sum is 3 less than their products. Who am I?

    asked by Jenny
  125. French

    French Word Scramble? gnarer al snoaim... eifra al srieupoes... sersap l' atreuprsai... hetacer eds cess...

    asked by Chelly
  126. math

    The product of my digits is 10. I'm an even number who am I?

    asked by Jenny
  127. math

    The sum of my digits is the same as the product of my digits who am I?

    asked by Jenny
  128. Algebra

    I am re posting this for fear that it was overlooked earlier. I have also decided to show my work in the hopes of preventing any issues that might arise. Solve the absolute value equation. I y+3 I +5=2y Would the solutions be 8=y and y=2/3? Subtract 5 from

    asked by Anonymous
  129. Grammar and Composition

    please check these for me: Underline the correct words in each of the following sentences. 1. The hall of (Fame, Fame's) members include many people who you probably don't know. Fame's 2. All of the girls will pay for (herself, themselves) at the dance.

    asked by y912f
  130. College Physics

    A record company executive is on his way to a TV interview and is carrying a promotional CD in his briefcase. The mass of the briefcase and its contents is 4.00 kg. The executive realizes that he is going to be late. Starting from rest, he starts to run,

    asked by Megan
  131. College Physics

    A spring fixed at one end is compressed from its relaxed position by a distance of 0.20 m. See the graph of the applied external force, Fx, versus the position, x, of the spring. (a) Find the work done by the external force in compressing the spring 0.17 m

    asked by Megan
  132. Physics

    A window washer pulls herself upward using the bucket-pulley apparatus shown in Fig. 4-42. The mass of the person plus the bucket is 69 kg.How hard must she pull downward to raise herself slowly at constant speed?If she increases this force by 11 percent,

    asked by Anonymous
  133. College Physics

    The graph shows the force exerted on an object versus the position of that object along the x-axis. The force has no components other than along the x-axis. If z is an increment of 25, then what is the work done by the force on the object as the object is

    asked by Megan
  134. math

    1+1+1=3 cannot be written as a multiplication sentence because there are no equal groups do you agree? Explain

    asked by morris
  135. Physics

    The 60 kg climber in Fig. 4-52 is supported in the "chimney" by the friction forces exerted on his shoes and back. The static coefficients of friction between his shoes and the wall, and between his back and the wall, are 0.82 and 0.58, respectively. What

    asked by Anonymous
  136. birchwood elementary

    what is te magnitude estiamte of 6 divide by 78.6 and wht place value is it in

    asked by trey
  137. math

    x+x+5+2x+1

    asked by jacob
  138. spanish 4 CP

    There are people who do many things. There are other people who don't do anything. Exprese eso en oraciones negativas. Then... 1. Clara hizo interesante ayer. Yo_____________________________ 2. Felipe encontro a alguien simpatico en la fiesta.

    asked by Jill
  139. Math- fractions and decimals

    ok i have a 100 chart with 62 and 1/2 colored in and i need to know what the fraction and decimal would be for it. THANKS, ME!!!

    asked by Me
  140. math

    7y-5+2y+7y-5+2y

    asked by jacob
  141. 2nd grade

    what spooky creature that have seven letters in it

    asked by charles
  142. college social studies

    "The Star Spangeled Banner" was Francis Scott Key's ode to the troops fighting in...? a.Boston, Mass b.Savannah, GA c.Washinton D.C d.Baltimore, Maryland e.New York City

    asked by Jessica
  143. socials

    What could Lousi XVI and Marie Antoinette have done to make themselves more popular with the people and perhaps avoid the necessity of the French Revolution. Please mention as many reasons as you can. Thanks

    asked by Sara
  144. science

    what type of electromagnetic radiation does a flame emit?

    asked by Kristina
  145. Economics

    Considering supply and demand, what happens to each of the following things when the U.S. is under the recssion? a.) Full employment product output: b.) Price level for goods: It goes down until a certain price level at which consumers realize goods are

    asked by Emma
  146. Physics

    An astronaut is taking a space walk near the shuttle when her safety tether breaks. What should the astronaut do to get back to the shuttle? Answer: Take a tool from her tool belt and throw it away from the shuttle. Next Question:Assuming that the

    asked by Anonymous
  147. math

    a parking lot has 68 rows with 24 parking spaces in each row.what is the total number of parking spaces?

    asked by Anonymous
  148. math

    What is a good word problem for the following expression? 3(m+4)

    asked by Anya
  149. Chemistry

    The forensic technician at a crime scene has just prepared a luminol stock solution by adding 17.0 of luminol into a total volume of 75.0 of . What is the molarity of the stock solution of luminol?

    asked by boston
  150. Chemistry

    Before investigating the scene, the technician must dilute the luminol solution to a concentration of 4.00×10−2 . The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are present in

    asked by boston
  151. Math - Trigonometry

    Verify the following: 1. cos x/(1-sinx)= sec x + tan x 2. (tanx+1)^2=sec^2x + 2tan x 3. csc x = )cot x + tan x)/sec x 4. sin2x - cot x = -cotxcos2x

    asked by Trevor
  152. Chemistry

    Before investigating the scene, the technician must dilute the luminol solution to a concentration of 4.00×10−2 . The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are present in

    asked by boston
  153. Chemistry

    I recently performed an experiment in which magnesium oxide formed. I have to find out the simplest whole number ratio of Mg atoms to O atoms. How do I go about doing this?

    asked by Anonymous
  154. Chemistry

    If I have 0.17g of Mg and 0.10g of O, and I am asked to find the empirical formula for magnesium oxide, is the following the right way to go about it? Convert g-> mol 0.17g=0.01mol Mg 0.10g=0.01mol O Divide by smallest mole amt. (0.01mol) 0.01mol/0.01mol=1

    asked by Anonymous
  155. Calculus

    A 25 foot ladder is leaning on a 9 foot fence. The base of the ladder is being pulled away from the fence at the rate of 10 feet/minute. How fast is the top of the ladder approaching the ground when the base is 9 from the fence? [Note: The ladder is

    asked by Z32
  156. math

    1.05 36.9 24.34 what is the answer?

    asked by Anonymous
  157. math

    make up a set of at least twelve numbers that have the following landmarks. maximum: 8, range: 6, mode: 6, median:5

    asked by monica
  158. anatomy

    What differences can be seen between compact bone and spongy bone by the naked eye?

    asked by christian
  159. math

    1.05 - 36.9 24.34 what is the answer?

    asked by Anonymous
  160. Chemistry

    Write the balanced equation for the formation of sulfur trioxide, SO3, from the elements of sulfur, S, and oxygen, O2. Would it be: 2S(s)+3O2(g)->2SO3 ?

    asked by Anonymous
  161. algebra 2

    solve the syatem using the substitution method 4x - 5y = - 3 -x + 2y = 3

    asked by Anonymous
  162. math

    My math teacher wants us to prove that all of our answers are correct. But how am I supposed to be able to prove stuff, like this, for example. The directions want you to write out the words in to an equation. Seven is the sum of X and 5. so my answer is

    asked by john
  163. math

    1.05 36.9 24.34 you are suppose to subtract these numbers.

    asked by Anonymous
  164. Geography

    I had to write on this topic- It has been said that Eastern Europe is a political region more than a physical region. Would you agree or disagree with this statement? And this is what I got: I agree that Eastern Europe is a political region more than a

    asked by mysterychicken
  165. math

    01.05 36.90 24.34 you suppose to subtract these numbers.

    asked by Anonymous
  166. Finance

    How much is the standard deduction for 2008 married filing jointly on the 1040?

    asked by Vern
  167. science

    which of the following makes its own food using energy from the sun? green algae trees sunflowers all of the above

    asked by Anonymous
  168. Decision Making

    I can't decide on an event that would have been a rational decision at one time but now is considered to be an irrational decision. I have been looking at the different wars but still don't see it.

    asked by Laura
  169. early childhood

    in recent years family mobility has contributed to a lessening of the influence of the

    asked by denise
  170. 7th grade

    How do you add a negative fraction and 2 postive fraction with diffrent denomenators

    asked by Marie
  171. English!!!!!!!!!!!!

    Which sentence sounds better? *A 13 year old girl needs at least 1 hr. or exercise each day. *A 13 year old female needs at least 1 hr. of exercise each day. *A 13 year old female girl needs at least 1 hr. of exercise each day. Please Help!! Thanks!!

    asked by Happy Face
  172. algebra

    y=1/3ðr^2h sole for h can you give me the step and explain

    asked by sheryl
  173. Chemistry

    Is SO3 always a gas?

    asked by Anonymous
  174. Science

    hey im not good with story problems the question is david purley, survived decceration from 173km/h to 0 km/h over a distance of .660 m when his car crashed. Assume that Purley's mass is 70.0kg. What is the mgnitude of the average force acting on him

    asked by tony
  175. Chemistry

    Write the two chemical equations that describe the conversion of magnesium into magnesium oxide. 2Mg(s)+O2(g)->2MgO(s?) First off, would MgO be a solid or gas? And I have no idea what the 2nd equation could be.. Can anyone give me a hint?

    asked by Anonymous
  176. Chemistry

    What error in calculation would result if, in the procedure for forming the magnesium oxide, some shiny metal remained in the crucible which was not heated any further? Well, wouldn't that throw the weights off which in turn would throw the whole thing

    asked by Anonymous
  177. Chemistry

    calculate % tin by weight in tin oxide. SnO2. 78.77%?

    asked by Anonymous
  178. Psychology

    In the movie Shrek how does Shrek evolve during the movie in regards to his self concept and how he communicates with others?

    asked by Ashlynn
  179. Biology quick question

    Is Taq polymerase an oligodeoxynucleotide?

    asked by Alex
  180. math

    What is 2 6/9 Divided by 6/7?

    asked by binjy
  181. math

    I need to prove my answer is correct, the directions say to simplify the problem, one problem was 2a + 10a I got 12a. how could I prove that it's correct, if i can?

    asked by john
  182. math

    $20 4.95 you are suppose to subtract these numbers.

    asked by Anonymous
  183. math

    $5 3.85 you suppose to subtract these numbers

    asked by Anonymous
  184. English

    When first looking at the raw data without controlling for case characteristics, RAND found that large race effects with the decision to seek the death penalty are more likely to occur when the defendants are white and when the victims are white. However,

    asked by Mary
  185. Math

    "The combination is the seventh, ninth, and eleventh numbers in a sequence that begins 1,1,2,3,5,8,13, and so forth" What is the combination? I have a problem with this can you help?

    asked by Renriki
  186. math

    What is 7(y+3)+2y simplified? and if possible, can you break down how you got it? Simplifying equations confuses me easily.

    asked by lily
  187. english

    While there is little evidence that the federal capital punishment system treats minorities unfairly, some may argue that the death penalty systems in certain states may be discriminatory. One such state is Maryland. In May 2001, then-Governor Parris

    asked by Mary
  188. chemistry

    Could someone please tell me if I did this question correctly? An incomplete combustion reaction of 12.125 grams of propane proceeds as follows: 2C3H8 + 11O2 = 3CO2 + 4H2O + 2CO + C(s).How many grams of solid carbon residue are produced as a product? my

    asked by Will
  189. english

    According to deterrence theory, criminals are no different from law-abiding people. Criminals [economist Paul H. Rubin writes] "rationally maximize their own self-interest (utility) subject to constraints (prices, incomes) that they face in the marketplace

    asked by Mary
  190. AP Bio

    Hi I am stumped on an ap bio homework question: In the cyclic reaction sequence called the krebs cycle, which chemical event does not take place? a.The acetyl group is joined with a four carbon molecule, oxaloacetate. b. Two carbons per cycle are made into

    asked by Muffy
  191. social studies

    Put each word into a meaningful sentence. Tariff, quota, supply, demand, currency, entrepreneur, human capita, capital goods, gross domestic product. Thank you1 :)

    asked by Anya
  192. Chemistry

    What are the characteristics of a perfect flame for a bunsen burner??

    asked by Paige
  193. Political Science

    I need help on this. What does the term red tape mean, and how does it relate to the federal bureaucracy? To what extent is Congress to blame for bureaucratic red tape? What are some of the benefits of the federal bureaucracy? What are some of the

    asked by Rayna
  194. Calculus

    Use linear approximation to estimate the amount of paint in cubic centimeters needed to apply a coat of paint 0.03 cm thick to a hemispherical dome with a diameter of 45.000 meters.

    asked by Z32
  195. ART

    what is the difference between analytical and expressive lines providing examples of each?

    asked by ggift
  196. english

    My husband said if I would just stop overreacting and be a better mother, everything would be all right. is this being bias?

    asked by Mary
  197. english

    My husband said if I would just stop overreacting and be a better mother, everything would be all right. Can you use this same passage to used as a rehetorical device? (a down player)

    asked by Mary
  198. world econ

    I need a website for graphs of food production. Other graphs would be helpful as well. Does anybody know? Thanks.

    asked by Kate
  199. English

    When first looking at the raw data without controlling for case characteristics, RAND found that large race effects with the decision to seek the death penalty are more likely to occur when the defendants are white and when the victims are white. However,

    asked by Mary
  200. Math

    The sum of a number and three times the number is 48. What is the number?

    asked by Joe
  201. French

    Disagree with the following statements by writing the opposite of each one. ex. -Il y a quelqu'un dans la voiture. -Il n'y a personne dans la voiture. 1. -Tu manges quelque chose. -Tu ne manges rien. 2.-Ma famille et moi, nous allons souvent en vacances

    asked by Anna
  202. Math

    Henry's bus can go just 12 miles on a gallon of gasoline. When he started his vacation, the gas tank of the bus was 5/6 full. Later when Henry had driven 336 miles, the gauge showed that the tank was still 3/5 full. If his "low on gas" light will come on

    asked by Bob
  203. Calculus

    We are doing problems with the product and quotient rules, but I'm not sure if I'm doing them correctly. If someone could check my answer I would really appreciate it. The original problem was y = (2x-1)^5 * (4x+1)^-1 and I got the derivative to equal y' =

    asked by Katie
  204. English Quick >

    When I use the word modern world is it lower case or upper case.

    asked by Unknown
  205. science

    what are some possible reasons for the relationship between temperature and the rate of chemical weathering? please help and thank you

    asked by anonymouss
  206. Social Studies

    I need to find the terms for these questions. I have been unable to find any of these terms. -What is the term for the legal protection members of Congress have? -What is the name for the private meetings in which Republican and Democratic members in each

    asked by Anonymous
  207. algebra

    spuare root of 24 as radical expression.

    asked by k
  208. math

    Two professional drag racers are speeding down a 1/4-mile track. If the lead driver is traveling 1.738 feet for every 1.670 feet that the trailing car travels, and if the trailing car is going 198 miles per hour, how fast in miles per hour is the lead car

    asked by Bob
  209. math

    A couple was assessed property taxes of $1938.90 on a home valued at $168,600. What might Frank expect to pay in property taxes on a home he hope to purchase in the same neighborhood if it has a value of $118,300? round to the nearest dollar.

    asked by Henry
  210. physics

    A particle is projected with a speed of 25 m/s at an angle of 40 degrees above the horizontal. "What is the time taken to reach the highest point of trajectory?"

    asked by andre62
  211. French

    are there any french workers available yet to help me, I have been waiting for an hour.

    asked by Anna
  212. physics

    A particle is projected with a speed of 25 m/s at an angle of 40 degrees above the horizontal. "What is the time taken to reach the highest point of trajectory?"

    asked by andre62
  213. 5th grade

    what graph do i use to show miles of coastline of westernmost california counties

    asked by Sally
  214. grammar

    what is the simple subject in "My favorite activity is skating?"

    asked by suzanne
  215. math

    What are algebraic models? There's a problem and it says to use an algebraic models to answer the questions. I don't know what those are?

    asked by lily
  216. grammar

    Another activity I enjoy is drawing horses. What is simple subject?

    asked by suzanne
  217. math

    why would i use a bar graph to show the miles of coastline of westernmost california coasts

    asked by Sally
  218. math

    why and what graph would i use for number of points darren scored for his basketball team each year he played

    asked by Sally
  219. Social Studies

    What is the term used to describe the process of distributing House seats in Congress? Can't find this one either.

    asked by Anonymous
  220. physics

    A window washer pulls herself upward using the bucket-pulley apparatus. The mass of the person plus the bucket is 69 kg.How hard must she pull downward to raise herself slowly at constant speed?If she increases this force by 11 percent, what will her

    asked by DJ
  221. math

    gcf of 15,45

    asked by she
  222. Math

    The number is not less than 20. The number is not greater than 40. The number is not divisble by 2, 3, or 7.THe number is not a prime number. THe sum of the number's digits is not 8. What's the number?

    asked by Grace
  223. social studies

    Which of the following is not an economic reason for European Exploration? A) The discovery of fine goods in the East B) To spread Christianity throughout the world. C) To find better trade routes to the East. D) To set up colonies to encourage

    asked by anonymous
  224. Math

    Many tires come with 13/32 inch of tread. The first 2/32 inch wears off quickly(say during the first 1000miles). From then on the tire wears uniformly. A tire is considerd "worn out" when on 2/32 inch of tread is left. a. how many 32nds of an inch of

    asked by Julie
  225. 3rd grade

    if you round the number to the tens place, it is 460 if you round the number to the hundreds, it is 500 could the number be 468 and why

    asked by jim
  226. visual

    Compare and contrast pyramidal forms: .1. The Ziggurat at Ur (Chapter 2), 2. The Pyramids at Giza (Chapter 3) and The Temple of Kukulkan (The Castillo) at Chichen Itza. Name specific similarities and specific differences. I need to answer this i don't

    asked by Melodie
  227. US History

    What was Henry Clay's proposal to bind the nation together?

    asked by Mis
  228. physics

    How do the acceleration vectors differ on opposite sides of the path for un iform circular motion? How are they the same?

    asked by Amanda
  229. spanish

    Necesito al doctor Ramírez, un médico que (tiene tenga) mucha experiencia en cirugías. Debes encontrar a un especialista que (sepa sabe) sobre tu enfermedad. Nos vamos a la clínica que ( está esté )cerca de nuestra casa. En mi pueblo hay un doctor

    asked by Alex
  230. Physics

    when you are finding displacement from a velocity graph and it says find the displacement at t=3 do you find the area from the points 0 --->3 to the x axis from 0--->3 or no?

    asked by Lor
  231. Physics

    If I were to kick a football and measure the distance traveled and time. Then calculate the theoretical distance I could make a field goal, what would be some sources of error. Would air resistance and aim be correct?

    asked by Anonymous
  232. To MathMate:-)

    1. -Tu manges quelque chose. -Tu ne manges rien. 2.-Ma famille et moi, nous allons souvent en vacances -Ma famille et moi, nous n'allons plus en vacances. 3. -Ta soeur et toi, vous prenez souvent des croissants. -Ta soeur et toi, vous ne prenez jamais des

    asked by Anna
  233. math

    How would you solve this problem?? A piggy bank contains only nickels and dimes. In all there are 42 coins with a total value of $3.85. How many nickels are in the piggy bank??

    asked by Cathy
  234. Chemistry

    After 0.6523 g of is heated, the residue has a mass of 0.3423 g. Calculate the % H2O in the hydrate.

    asked by Jim