Questions Asked on
January 4, 2010

  1. trigonometry

    Prove: tan2x+sec2x = cosx+sinx/ cosx-sinx

    asked by Beatriz
  2. literary

    What literary device is Shakespeare employing when Malcolm says, "Angels are bright still, though the brightest fell"?

    asked by Randell
  3. Chemistry

    A 0.125-g sample of monoprotic acid of unknown molar mass is dissolved in water and titrated with 0.1003 M NaOH. The endpoint is reached after adding 20.77 mL of base. What is the molar mass of the unknown acid?

    asked by coug
  4. chemistry

    The mineral CaF2 has a solubility of 2.1 x 10^-4 M. What is the Ksp of CaF2? a. 1.85x10^-11 b. 9.3x10^-12 c. 3.7x10^-11 d. 8.8x10^-3

    asked by Christina
  5. science

    Potassium iodide is prepared by the reaction of hydroiodic acid and potassium hydrogen carbonate. water and carbon dioxide are also produced. in the reaction of 398 g HI and 318 g KHCO3, how many grams of KI are produced?

    asked by A.
  6. physics

    A string of 8 christmas tree lights connected in series to a 120v source draws a current of 0.75A.can any one show me how to find the resistance of each lights and potential differnces.

    asked by Alemu
  7. Medical Coding

    A 28-year-old female patient has been bothered with excessive tearing and was found to have an obstruction in the right lacrimal duct. Today at the ambulatory surgery center she was given general anesthesia and the physician performed an endoscopic

    asked by Cuki
  8. chemistry

    Methane reacts with an excess of chlorine gas. [it's an equation] I have the reactants: CH4(g) + Cl2(g) --> ? I was thinking single replacement, making CCl4 for sure. I'm just not sure about that hydrogen, unless it's just H2, and when balanced the full

    asked by anonymous
  9. 9th grade

    whats an acrostic poem for chlorine

    asked by blvcf
  10. Chemistry

    A 25.00-mL sample of an H2SO4 (2 and 4 are subscripted) solution of unknown concentration is titrated with a .1328 M KOH solution. A volume of 38.33 mL of KOH was required to reach the endpoint. What is the concentration of the unknown H2SO4 (again, the 2

    asked by coug
  11. Chemistry

    A 25.00-mL sample of an H2SO4 (2 and 4 are subscripted) solution of unknown concentration is titrated with a .1328 M KOH solution. A volume of 38.33 mL of KOH was required to reach the endpoint. What is the concentration of the unknown H2SO4 (again, the 2

    asked by coug
  12. Medical Coding

    Fill In The Blank. Read the following report(s) to answer the fill in the blank questions. Place the correct code(s) in the space provided. If more than one code is necessary separate the codes with a comma. Operative Report INDICATIONS: The patient is

    asked by Cuki
  13. AP Biology

    Which of the following is probably the main factor responsible for the phenomenon of density-dependent inhibition? a. a local accumulation of growth-inhibiting factors b. a local deficiency of nutrients c. cells' inate "sense" of knowing when the organ of

    asked by Ashley
  14. Math Algebra 1

    suppose you ca work a total of no more than 20 hours per week at your 2 jobs. baby-sitting $5 per hour, and your cashier job pays $6 per hour. you need to earn at least $90 per week to cover your expences. question : write a system of inequalities that

    asked by Briana
  15. unit rate

    what is the unit rate 78 miles on 3 gallons

    asked by susquehanna township middle school
  16. physics

    light moves from olivine (n= 1.670) into onyx. If the critical angle for olivine is 62.85 degrees , what is the index of refraction for onyx ?

    asked by Brianna
  17. Physics

    A particle executes simple harmonic motion with an amplitude of 9.00 cm. At what positions does its speed equal two thirds of its maximum speed?

    asked by Zoe
  18. Physics

    A particle executes simple harmonic motion with an amplitude of 9.00 cm. At what positions does its speed equal two thirds of its maximum speed? I got: v2 +ω^2x^2 =ω^2A^2 vmax =ω A and v = ωA/2?

    asked by Zoe
  19. Trig

    Simplify sin x cos^2x-sinx Here's my book's explanation which I don't totally follow sin x cos^2x-sinx=sinx(cos^2x-1) =-sinx(1-cos^2x) =-sinx(sin^2x) (Where does sine come from and what happend to cosine?) =-sin^3x

    asked by Tara
  20. math

    the turkey must cook for 4 hours 45 minutes. at what must it be put into the oven in order to be done by 3:00 p.m.?

    asked by evelynn
  21. chem

    The Ksp of PbI2 is 8.7x10^-9. Find the solubility of lead(II) iodide on mol/L. a. 1.3x10^-3 b. 9.3x10^-9 c. 6.6x10^-5 d. 1.6x10^-3

    asked by dude
  22. HARD chemistry

    A solution of ferrous sulfate (FeSO4) is titrated with a solution of potassium permanganate in sulfuric acid. The balanced half reactions are as follows: 10FeSO4 + 5 H2SO4 --> 5 Fe2(SO4)3 + 10 H ^+ +10e^- and 2 KMnO4 + # H2SO4 +10e^- --> 2 MnO4 + K2SO4 + 8

    asked by Amy
  23. Medical Coding

    Operative Report Pre-Operative Diagnosis: Rheumatic aortic stenosis Procedure Performed: Valvuloplasty, aortic valve with transventricular dilation Operative Note: This 38-year-old female patient who has a diagnosis of rheumatic aortic stenosis. She has

    asked by Cuki
  24. Trig

    I'm trying to find out which quadrant some trigonometric functions lie in. The problem is one of them is equal to zero, and zero is neither positive or negative. How do I determine which quadrant it belongs in then???

    asked by Tara
  25. chem

    Suppose a solution contains a concentration of 1.0x10^-4M PbSO4 (Ksp=1.8x10^-8). Which of the following terms describes this solution? saturated , unsaturated, supersaturated, or cannot be determined

    asked by dude
  26. math .

    Rufus works an average of 46 hours each week. He gets paid $5.70 per hour and time-and-a-half for all hours over 40 hours. What is his annual income?

    asked by sabina
  27. Physics

    What potential energy does a 60.0-kg gymnast acquire in climbing 5.00 m up a vertical pole? GIVEN: mg = 60 h/d = 5.00 m PE = mgh PE = (60)(5.00) PE = 300 J

    asked by Priscilla
  28. literature

    In "A White Heron," having made her choice between an attraction of the heart and her bond with nature, Sylvia

    asked by Anonymous
  29. physics

    I need some one to help me out, how to calculate the total energy released by the lightning bolt; if a lightning dischar, 30c of charge move through a potential difference of 1.0 x10*8v in 2.0 x 10-2s.

    asked by sofi
  30. Math

    Shade in 3/4 of 1/2 of 1/2 of the circle. The question is "What fraction of the circle is shade? I was thinking will be 1/4 This is correct or what will be the answer? Thanks for helping me

    asked by gianina
  31. pre calc

    Find 2 functions defined implicitly by the given relations: (a) x² + y² = 25 (b) y² = x²

    asked by kim
  32. Chemistry

    Explain,in terms of electronegativity, why the H-F bond is expected to be more polar than the H-I bond.

    asked by Bella
  33. BIO 100

    Provide at least two ways the use of this biotechnology could benefit socity and two ways this biotechnology could be harmful. My topic is agricultural and environmental uses. I have tried to look for answer but can't find the answers to this question.

    asked by Rayna
  34. Latin

    whats the translation of: "Tum amici Maximiservos laudaverunt et eis pecuniam donaverunt" and "Maximo singuli vale dixerunt" ?

    asked by Jamie
  35. Science

    an object 5.50 cm high is placed 100 cm from a converging lens that has a focal length of 40.0cm. a)Calculate the image distance b)Calculate the hight of the image height

    asked by Ramandeep
  36. math

    A certain canoe was advertised as having an "800 pound capacity," meaning that it can hold at most 800 pounds. If four people plan to use the canoe and take 60 pounds of supplies, write and solve an inequality to find the average weight per person.

    asked by TEXAS BILL
  37. Math

    Which term is 13122? The geometric sequence is 2, -6, 18, -54 tn=ar^(n-1) 13122=2(-3)^(n-1) 6561=(-3)^(n-1) log6561=n-1log-3 You can't divide with negative logs, how do I isolate n?

    asked by QQ
  38. math

    define a variable, write an iquality, and solve the problem below. then check your solution. "seven minus two times a number is less than three times the number plus thirty-two" 7-2*x

    asked by samir
  39. pre calc

    a salt shaker is sitting 4cm from the center of a lazy susan. phoebe small spins the lazy susan through an angle of 120. how do i set this up to find how many radians the shaker turned?

    asked by jill
  40. 7th grade Math

    How many combinations can you make with 3 toppings? Ice Cream: Vanilla/ Chocolate/ Strawberry/ Coffee Toppings: Fudge/ Caramel/ Chocolate Sprinkles/ Rainbow Sprinkles/ Nuts

    asked by Alexia
  41. Literature

    Who is this quote said by in The Miracle Worker? "She is like a little safe, locked, that no one can open. Perhaps there is a treasure inside." Thanks -MC

    asked by mysterychicken
  42. Art/English

    For art I have to create this fairytale book. It has to be 8 pages sided. It has to be short, because on each page we are going to illustrate a picture and below that we are going to write a minimum of 2-3 sentences. It has to start with once upon a time

    asked by Sara
  43. algebra

    Find the length of the hypotenuse of an isosceles right triangle whose legs are 1 unit in length.

    asked by yelena
  44. chemistry

    the solubility product expression for BiS3 is Ksp= a.[Bi2^3][S3^2-]. b. [Bi^3+][S^2-]. c. [Bi^3+]^2 [S^2-]^3 d. none of these

    asked by Christina
  45. language

    Hi...Happy New Year to all! I was wondering if anyone can put the word transmission in a sentence for me. I am having trouble understanding the definition of the word. Thanks!!! Wizard

    asked by wizard
  46. English

    1) 2025 is it only two thousand and twenty-five or could you also say twenty twenty-five? 2) in 2000 (is in two thousand/in the year two thousand) 3) How many films did he appear in? Or In how many films did he appear? 4) Which part did film director..

    asked by Franco
  47. 7th grade

    How many combinations can you make with 3 toppings? Ice Cream: Vanilla/ Chocolate/ Strawberry/ Coffee Toppings: Fudge/ Caramel/ Chocolate Sprinkles/ Rainbow Sprinkles/ Nuts

    asked by Alexia
  48. Math

    I am les than a 100. The sum of my digit is 8. If you divide me by two, I am even number. My tens digit and my ones digit are thye same?

    asked by Marcos
  49. MATH

    Delia works from 8:00 A.M. to 4:30 P.M. and has one hour each day for lunch. How much does she earn each week if she gets paid $4.80 per hour?

    asked by AR
  50. Physics

    The speed of an automobile of mass 1600 kg increases uniformly from 20 m/s to 30 m/s. What is the increase in its kinetic potential? Given: m = 1600 kg V = 10 m/s KE = 1/2 m v^2 KE = 1/2 (1600)(10)^2 KE = 80,000 J Is this right?

    asked by Priscilla
  51. science

    i am in 7th grade accelerated science, so i am learing 8th grade material. I am having some difficulties with covelant and ionic bonds. My lab is due tomorrow and i have a quiz on Wed. If anyone can help me understand this better i would be greatful.

    asked by Michele
  52. 4th grade

    Two parallelograms have pairs of sides that are 3 feet long and 2 feet long. One of the parallelograms is a rectangle and the other is not. Which has a bigger area, and why?

    asked by Sarah
  53. science

    How does a sunflower's energy get transferred?

    asked by Lacey
  54. 4 grade

    Sonya has X amount of money. Bob has three times as much as Sonya has, less $14.62. Write an expression , using X, that tells how much does Bob has.

    asked by gianina
  55. Mathematics

    When does this pattern stop working 1 + 11 = 1 + 11 + 111 = 1 + 11 + 111 + 1111 =

    asked by kianna
  56. Maths Help

    (1) Prove that the cancellation law of multiplication is equivalent in a commutative ring to the assertion that the product of non-zero factors is not zero. (2) For any given Integral Domain, state the law of Trichotomy, and show that in an integral Domain

    asked by John
  57. English

    Hello everybody! I have posted a question yesterday on creative classroom.Thank you for the answers.I have checkqued those web sites and picku out the activity with shoe box diorama.So my learners could make a shoe box dioramas (the topic would be

    asked by sweru
  58. 7th grade

    what is the area of a circle

    asked by Anonymous
  59. Trig

    Use the fundamental identities to simplify the expression: cot beta sec beta I used 1+tan^2u=secu since cot is the inverse of tan. I flipped the tangent, then so it was 1+ (1/tan). But the book's answer is the cosecant of beta. Where did this come from??

    asked by Tara
  60. algebra

    define a variable, write an iquality, and solve the problem below. then check your solution. "seven minus two times a number is less than three times the number plus thirty-two" 7-2*x

    asked by TEXAS BILL
  61. History

    What factors shaped the move from colonial, country life to modern, urban life? What was urban city life like during the rise of urbanization? How was it different or similar to modern urban life?

    asked by ggift
  62. romeo and juliet

    "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
  63. Physics

    What is the kinetic energy of an electron {mass = 9.1 x 10^ - 31 kg} when it is moving at 3.0 x 10^7 m/s {1/10 the velocity of light}? KE = 1/2 m v^2 KE = 1/2 (9.1 x 10^ - 31)(3.0 x 10^7) KE = 1.365 x 10^ -23 I don't know if this is right because what got

    asked by Priscilla
  64. Science

    a toy of height 18.4cm is balanced in front of covering lens. An inverted, real image of height 33cm is noticed on the other side of the lens. What is the magnification of the lens? PLEASE HELP AS SOON AS POSSIBLE

    asked by Ramandeep
  65. math

    Bob has 4 more dimes than nickels. He has 1.45 in all. How many nickels does he have? Please explain and show your work.

    asked by Chloe
  66. home economics

    explain the term energy balance

    asked by josie
  67. World History

    What were Thomas Edison's most significant inventions or innovations?

    asked by Anonomous
  68. Civics

    What are the benefits of congressional recording studios?

    asked by Jennifer
  69. Social Studies

    Why do you suppose internment camps were located in isolated areas away from the west coast? Is the answer because the Japanese had many ancestors who lived in the west coast.

    asked by Missy:)
  70. biology

    What would happen to your cells if they made a poisonous chemical?

    asked by Cyn
  71. 12 days of christams

    Christmas holiday season begins on December 25 and goes to January 6 ending in the Feast of Epiphany. Epiphany is also known as the Twelfth Night or Three Kings Day in some cultures. It is the day the Magi visited the savior in Bethlehem is it that

    asked by mrs.chicken
  72. 11th grade math

    find the sum of -2 plus 3i and -1 minus 2i ..........im not sure how to do it can anyone help me out?/

    asked by Lia
  73. 5th grade

    fifteen:five::nine:_ _ _ _ _ i can't figure it out!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! and it has to start with scr,spr,str,thr.

    asked by dakota
  74. BIO 100

    Provide at least two ways the use of this biotechnology could benefit socity and two ways this biotechnology could be harmful. My topic is agricultural and environmental uses. I have tried to look for answer but can't

    asked by Rayna
  75. s

    a camera with a 200mm lens(focal length) makes a real image of a bird on film.The film is located 201 mm behind the lens.Determine the distance from the lens to the bird.

    asked by Ramandeep
  76. aed 202

    Checkpoint: Reading and Writing Strategies Post a 200-300 word response detailing strategies a concerned parent can use to help improve his or her child's reading and writing skills.

    asked by lorraine
  77. spelling

    write a spelling word for each clue. a harbor,to tell , wood,used,utensils,abattle,flowed.

    asked by sara
  78. Business

    How well is the Salvation Army managing the fact that they have been overly optimistic in regard to financial aid?

    asked by Linda
  79. spelling

    write a spelling word for each clue. a harbor,to tell , wood,used,utensils,abattle,flowed and the words is to choose them it is fork,worn,form,fourth,war,storm,horse,warn,forest,court,porch,poured,port,importtant

    asked by sara
  80. Physics

    A 2000-kg truck is raised 15 m in an elevator. What is the increase in its potential energy? GIVEN: mg = 2000 kg h = 15 m PE = mgh PE = (2000)(15) PE = 30,000 J

    asked by Priscilla
  81. Math

    If the diemnsions of the park in the model are 9 inches by 17 inches, what are the actaul dimenions of the park?

    asked by darnell
  82. math

    describe a solution in which you would use more than one unit to measure length. tell why?

    asked by lerne
  83. science

    a camera with a 200mm lens(focal length) makes a real image of a bird on film.The film is located 201 mm behind the lens.Determine the distance from the lens to the bird.

    asked by Ramandeep
  84. 9th grade science

    1)write the fomulas for the following compound: Magnesium hydroxide. 2)Write the names of the compound: Ba(ClO3)2 *the numbers are the subscripts* I really don't understand how to do those two, I did the rest of them. I could really use the help. THANKS!!

    asked by Anonomous
  85. 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 dee
  86. english

    Hello! I'm french, I have an english homework "studying an newspaper's article" Can you correct it please please beacause I'm sure that's very bad.So please help me. During his first year, president Obama was much debated: 30 000 soldiers sent out

    asked by Marie
  87. Science

    Under which of the following conditions would the same amount by mass of sugar diffuse the fastsest? 300 ml ice tea with sugar cube 300 ml ice tea with table sugar 300 ml hot tea and a sugar cube 300 ml hot tea and table sugar

    asked by Kiki
  88. eng

    please unscramble lukgibdnc

    asked by clueless
  89. chemistry

    how do you balance the equation __Al+__CuO=>__Al2O3+__Cu

    asked by David
  90. pre calc

    given x=t^2 and y=t-2 find a relationship between x amd y( express y in terms of x) is the relationship a function

    asked by kate
  91. Geography

    Here are some questions that I need help on: 7. Similar climates, vegetation, or landforms can be used to divide the earth into a. political aregions. b. formal regions. c. functional regions. d. census regions. I know it's not c or d. I think it's B 11.

    asked by y912f
  92. Technology

    (this post never got answered :() I need help with these two questions: 1. Sheet metal and copper piping are examples of a. natural resources b. industrial products c. consumer products d. standard materials I think it's either B or D 2. Which of the

    asked by y912f
  93. 12 days of christams

    what are other names given for the 12th day of christmas?

    asked by mrs.chicken
  94. BIO 100

    Describe the plant life, animal life, and geology of ecosystem in the area in which you live. I live in Vancouver, Washington

    asked by Rayna
  95. physics

    how the moons stay in orbit around jupiter ?

    asked by Anonymous
  96. grammar

    the word "is" in the following sentence:an adverb?preposition?conjunction?verb?...Catching fish is one of the oldest pastimes.

    asked by Brittanyxoxoxo
  97. english

    nail is to hameer as screw is to what using the consonant blends scr spr str thr

    asked by anonymous
  98. Acc220

    I am not sure how to start the paragraph on explaining balance sheets, income statements, retained earning statements and statements of cash flows...I need a good opening paragraph that will capture the attention of the readers.

    asked by Cricket
  99. math

    Karl worked 25 hours at $3 per hour. He received the following tips tips: $18, $16, $22, $20, and $16. What is his average hourly wage?

    asked by ange
  100. consumer math

    One week Roger earned $425.50 regular pay and $60.50 overtime pay. His net pay for the week was $275.30. How much did he have withheld for deductions? i don't know how to find the deduction so far don't now if right i add regulare pay=

    asked by gabe
  101. Science

    List and briefly th explain the five forces that can act on any structure Please Help

    asked by Jocelyn
  102. math

    what would be the ordered pairs for the linear equations 3x +4y = 18 and x + 3y =11

    asked by carlton
  103. science

    explain why certain bugs can walk on water

    asked by rachel
  104. chemistry

    which isn't a pure substance? 1.Cl2(g) 2.Fe(s) 3.O2(aq) 4.C6H12O6(b) 5.H2O(l)

    asked by susan
  105. 3rd grade math

    i need help!! if the estimate is greater than or equal or 1,500, find the exact sum. if the estimate is less than 1,500, do not solve the problem. 867+734=1601 number model:_______________? thank you!

    asked by pat
  106. 6th grae math

    there are about 20 potatoes in a 5 pound bag.A restaurant uses about 2 potatoes per order French Fries.They charge $.95 for and order of Fries.How much money does the restaurant take in one day that they use 400 pounds of potatoes.

    asked by Victoria
  107. algebra 1

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

    asked by yelena
  108. 3rd math

    how do you estimate 962 ? next one is 132 ? i'm kind of confuse on these problem.

    asked by pat
  109. Physics

    What is the gravitional potential energy of a 100-kg rocket when it is at a distance of 1.0 x 10^7 m from the center of the earth. {Assume G = 6.7 x 10^ -11 m^3 / kg x s^2 and Earth's mass is 6.0 x 10^ 24 kg} GIVEN: m1 = 100 kg d = 1.0 x 10^7 m Earth's m2

    asked by Priscilla
  110. physics

    1. Three particles with charges of +11 mC each are placed at the vertices of an equilateral triangle with sides of 15.0 cm. What is the magnitude and direction of the net force on each particle? 2. A proton is released in an uniform electric field and it

    asked by Sasha
  111. science

    CATAPULT using a marsh-mellow to launch What techniques did you use to accurately launch your projectile? What variables impacted the launch and flight of your projectile?

    asked by chelsea
  112. THANK YOU

    THANK YOU SO MUCH BOBPURSLY.you are a great help to me, i kind of already knew that but it reassured me that i was doing the right thing, i was confused on what side to put my variable on but now i see that i can put it on either side

    asked by kendall
  113. languae arts

    what is (bssmyale)(deaicunne)

    asked by tisha
  114. Science

    A convex lens of magnifying glass is held 2.00 cm aove a page to magnify the print. if the image produced by the lens is 3.60 cm away and virtual, what is the focal lenth of the magnifying glass?

    asked by Ramandeep
  115. Civics

    What steps does the federal government take when attempting to control sensitive national security issues? Would it be that the government attempts to control information about national security by classifying information as secret and by limiting press

    asked by Jennifer
  116. science

    If iron is placed into electrical contact with a more active metal, the iron will not corrode. true or false

    asked by Larry
  117. english

    what are the elements of plot, i have to analyze a short story using elements of plot , and when i did my essay i failed it , so can anyone please help me please i will really appreciate it

    asked by amanda
  118. math

    Prove: 2cos^2(x)-1 = 1-tan^2(x)/ 1+tan^2(x) Thank you!

    asked by Beatriz
  119. math

    12cm/day=cm/h

    asked by cynthia
  120. social studies

    How does climate and physical features interact to determine the natural vegetation cover of a country?

    asked by dontay
  121. math

    How many ways can you get $1.05 using only nickels, dimes, and quarters

    asked by Kaito
  122. science

    what is an analysis?

    asked by rahma
  123. science

    i always forget what is an analysis and conclusion is so if any 1 can answer this please don't hold back press the answer button

    asked by rahma
  124. math

    when does this pattern end? 1+11+111+1111

    asked by kianna
  125. math

    Sue worked 37 hours at $3.20 per hour and made $92 in tips. What were her weekly earnings?

    asked by ange
  126. Physics

    A ray of light hits the surface of a mirror at an incident angle of 10º to the normal. What is the angle of reflection for the ray of light? Is it correct for me to say that the angle of reflection for the ray of light is 10º as ANGLE OF INCIDENCE =

    asked by Renee
  127. ALBEBRA

    HELP -4Y-23

    asked by BIGTEXAS
  128. 8th grade

    The area of a rectangle is 45cm2. The height is one less than two times the base. what is the length of the base

    asked by Mark
  129. histirie

    what is jacques cartier mom name

    asked by alexis
  130. Algebra

    (9/10) y - (3/10) when y= 2?

    asked by Kattie
  131. science

    As of July 2004 the population of the us was 293,027,571. If more than half of these people live within 80km of an ocean, about how many ppl live within that distance?

    asked by Daniela
  132. science

    CATAPULT using a marsh-mellow to launch What techniques did you use to accurately launch your projectile? What variables impacted the launch and flight of your projectile?

    asked by chelsea
  133. French

    What is the French word for "fashion designer"? There are many words for "designer" in French, but I'm not clear on which one is specifically "fashion designer". Thanks!

    asked by Stuck
  134. Physics

    A 2.0-kg rock falls from a height of 25 m to a point 20 m above the ground. How much potential energy does it lose? GIVEN: mg = 2.0 kg h/d = 5 m PE = mgh PE = (2)(5) PE = 10 J

    asked by Priscilla
  135. math

    Find the difference by using the idea that a - b = a + (b): a. -12 - (-6) b. - 7 - 4 c. 11 - (-8) Thank you, I do not understand.

    asked by Mary Lee
  136. pre calc

    Example 1: Let f(x) = ex and g(x) = ãx Find: (a) f(g(x)) (b) g(f(x))

    asked by kate
  137. english language

    unscramble the word (bssmyale

    asked by tisha
  138. 7th grade science

    Write a pedigree in which there are parents and 4 children, 1 girl and 1 boy are color blind and the other girl and boy are not. I HAVE A FEW QUESTIONS- ?- For a girl to be colorblind does her mother have to be colorblind too or just a carrier?her father?

    asked by kendall
  139. 7th grade science

    What kind of inheritance governs foot length?

    asked by kendall
  140. math

    i've been asked to ifnd the price-earning ratio of some stocks i'm unsure of how to do this I do not know which EPS value to use as I found some valeus on a website... Like for this company that I got a stock for h t t p : / / w w w . m a r k e t w a t c h

    asked by Kate
  141. science

    what planet has almost the same density as earth?

    asked by Aaron a.k.a A7X
  142. english

    what is the effectiveness of communicationg when two people are talking, can someone give me an example as if you were observing them

    asked by amanda
  143. science

    i have a project where i have to make a working model of a hot tub. does any one have any idea how to even start?

    asked by kayleigh
  144. 5th grade

    what is a cow on sale?

    asked by Amber
  145. idontknow

    why are there 12 days of christmas?

    asked by mrs.chicken
  146. math

    How do I find out the distance someone needs to go if they are at 5/8 km, and have to go 7/8 km?

    asked by Nyrasia
  147. Art

    For art I have to create this fairytale book. It has to be 8 pages sided. It has to be short, because on each page we are going to illustrate a picture and below that we are going to write a minimum of 2-3 sentences. It has to start with once upon a time

    asked by Sara
  148. History

    The lush reigon that formed a great arc from the east shore of the Mediterrian sea to the perisan gulf is called the??????????????????????

    asked by JOHN MORRISON LOVER171
  149. algebra

    1. √(x + 6) = -8 x=? 2. 4√(2x - 3) < 12 solve the inequality 3. 4 ≥ √(6x - 12) - 8 solve the inequality 4. √(3x - 5) = x - 3 x=? 5. √(4 - x) ≥ √(3x + 4) solve the inequality 6. x + 3 = √(5x + 4) + 1 x=?

    asked by irina
  150. algebra

    find an equation in slope intercept form for the line whose change in y is 500 when x1=8 and x2=17?

    asked by Courtney
  151. MAT116 Algebra

    Translate to an inequality. The average speed was between 120 & 140 mph

    asked by Demiar
  152. religion

    What role did religion play in the arts in Islamic civilizations?

    asked by mwarner
  153. Math

    Imagine that you’re the manager of an auto parts store. Figure A-2 contains your records of annual inventory figures for windshield wipers. Using the FIFO method of inventory pricing, what is the dollar value of ending inventory if there were 300 units

    asked by Anonymous
  154. music

    who was the lyrist of joesph and the technicolour dreamcoat

    asked by megan
  155. algebra

    Simplify the following expression. x^-1 =

    asked by yelena
  156. Chemistry

    what is the density that has a mass of 77.0 g and a volume of 36 mL?

    asked by Jose
  157. Algebra

    How do I find the answer to this question? (9x squared + 6x- 3)- (-5x squared + 8x-8)

    asked by Stephanie
  158. Chemistry

    what is the density that has a mass of 77.0 g and a volume of 36 mL?

    asked by Jose
  159. 8th grade

    How do you evaluate (7 x 4 + 5 to the second power) divided by (8 - 1 + 7 to the second power)?

    asked by Mary
  160. Advanced Functions

    Identify the point of intersection of these two curves: P(t)=300(1.05)^t F(t)=1000(0.92)^t

    asked by Anonymous
  161. SOCIAL STUDIES

    HOW DID THE PILGRAMS BECOME FRIENDS WITH THE WAMPANOAG INDIANS?

    asked by Anonymous
  162. english

    how do you translate my winter break in french?

    asked by bob
  163. APUSH

    !@#$%^& the Validity of the fallowing statement: "Reconstruction failed to bring economic success to former slaves."

    asked by Jason
  164. Writing

    We are just beginning our big research paper. WE were just tought how to make "source cards" for all our information. We will later use these to make the works cited page. Anyway, I was wondering what you do when there is more than one author. Right now,

    asked by Ashley
  165. Writeacher-one more thing

    What if there are more than one places of publication?

    asked by Ashley
  166. Pre-calc

    How do you find the range of a projectile?

    asked by allison
  167. math equation

    Is the answer for this equation: 4+8[9/3(9-6)] = 12

    asked by Christ
  168. math/equation/Paul

    I meant is 12 the correct answer to the equation 4+8[9/3(9-6)]

    asked by Christ
  169. 10th grade

    IPC Balancing Equations???

    asked by Anonymous
  170. Senior English

    I have to create a skit for an English presentation on the underground railroad (prior to reading Beloved by Toni Morrison) and am looking for creative ideas on delivering our information. In the past we have done numerous skits and other groups have

    asked by Anonymous
  171. math

    what is range, median, mode & mean in weather graph

    asked by Sebas
  172. 4th grade

    how could you make a measurement like 3m 4 cm more precise?

    asked by lerne
  173. 7th grade math

    "x" is the variable 11x=8x-6

    asked by kendall
  174. civics

    What government agency limits the number of radio and television sattions a single company can own? Would it be the Telecommunications Act?

    asked by Jennifer
  175. religion

    Does anybody have a website with recent demographics on religions or at least Buddhism? Google doesn't really help.

    asked by Tom
  176. 7th grade math

    "x" is the variable 11x=8x-6

    asked by kendall