Blah

Popular questions and responses by Blah
  1. Math: Geometry

    isosceles trapezoid ABCD is shown below with a line ef drawn through its center. Of the isosceles trapezoid is dilated using a scale factor of 1/2 and a line is drawn through the center of the new dilated figure, what relationship will that line have with

    asked on December 8, 2015
  2. Physics

    Which of the following is correct for the two coherent light waves to produce zero light? The light waves should travel in perpendicular directions. The light waves are in phase with each other. The light waves are out of phase with each other. The light

    asked on October 19, 2012
  3. Physics

    At the top of a pole vault, an athlete actually can do work pushing on the pole before releasing it. Suppose the pushing force that the pole exerts back on the athlete is given by F(x)= (150 N/m)x - (180N/m^2)x^2 acting over a distance of 0.20 .

    asked on March 22, 2011
  4. Physics

    When an electron moves 2.5 m in the direction of an electric field, the change in electrical potential energy of the electron is 8x10-17J. What is the strength of the electric field that causes the change in potential energy? 320 N/C 200 N/C 20 N/C 3.2 N/C

    asked on October 19, 2012
  5. math

    Find the measure of the complement and the supplement of an angle with a measure of 20 degrees? complement, 150; supplement, 260 complement, 340; supplement, 160 *complement, 70; supplement, 160* complement, 160; supplement, 70

    asked on April 4, 2017
  6. geometry

    M is the midpoint of Symbol for Segment A B.. Find the coordinates of B given A(7,-2) and M(10,10). Show your work for credit

    asked on September 28, 2010
  7. Geometry

    13. In the rhombus m

    asked on February 9, 2016
  8. Science

    In guinea pigs, black fur (B) is dominant over white fur (b). Cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. Complete a Punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction)

    asked on February 7, 2019
  9. history

    how did the expedition of Lewis and Clark influence john Astor. Astor saw a way to make a profit building trading along the route. Astor provided Lewis and Clark's maps to trappers for a large profit. Astor believed he could raise money by providing guides

    asked on June 3, 2018
  10. english

    Which of the following is true regarding a restrictive adjectival clause? A. It will follow a general noun and is not set off by commas. B. It will be set off by commas. C. It will typically include the relative pronoun which. D. It will follow a proper

    asked on January 15, 2014
  11. science-chemistry

    A piece of metallic iron (10 moles) was dissolved in concentrated hydrochloric acid. The reaction formed hydrogen gas and iron chloride. How many moles of iron (II) chloride were formed? Don't forget the units.

    asked on January 4, 2011
  12. Social studies

    In a paragraph of 3–5 sentences, compare the two opposing American opinions regarding expansion of U.S. territory after the Spanish-American War.

    asked on January 11, 2020
  13. Chemistry

    would someone be willing to help me fill out my study guide

    asked on May 10, 2016
  14. English

    What would be a good thesis statement for a research paper on endangered species I'm trying to focus more on the overall history such as why we created the endangered species list in the first place I just can't think of a good thesis statement.

    asked on May 4, 2016
  15. biology

    Explain the processes that take place in the stroma including the reactants going in and the products produced from these processes in (a) bright sunlight and in (b) darkness. (c) What happens over an extended period of darkness of many days? I need HELP

    asked on February 5, 2016
  16. chemistry

    How do gas particles exert pressure on their container?

    asked on January 23, 2015
  17. math

    four monkeys, ann, bob, carl, don set off to gather bananas. after collecting their bananas, they felt tired and fell asleep. ann woke up first and ate 1/3 of the bananas. bob woke up next and ate 1/3 of the remaining bananas. then carl woke up and ate 1/3

    asked on October 8, 2014
  18. english

    9. In " my brothers keeper" ted and jasmine are developed in contrast to one another by describing their (1 point) fears of the unknown emotional reactions interactions with their parents 10. The story My brothers keeper" is told through the point of view

    asked on September 5, 2014
  19. Math Limits

    (x^n-1)/((x-1) )=(x-α^1 )×(1-α^2 )×………..(x-α^((n-1)) ) How do we prove that n = the multiplication of the second term using limits and l'hopital's rule.

    asked on February 28, 2013
  20. Physics

    If 3.25x10-3 kg of gold is deposited onto the negative electrode of an electrolytic cell in a period of 2.78 hours, what is the current through this cell in amperes? Assume that the gold ions carry one elementary unit of charge

    asked on December 10, 2012
  21. Physics

    In the javelin throw at a track and field event, the javelin is launched at a speed of 25 m/s at an angle of 30.7° above the horizontal. As the javelin travels upward, its velocity points above the horizontal at an angle that decreases as time passes. How

    asked on September 28, 2010
  22. Physics

    Bobby, a 100 kg football player has a fever of 29 degrees C. What mass of water must evaporate from his body to cool him to 27 degrees C?

    asked on April 25, 2010
  23. physics

    A car is driven east for a distance of 42 km, then north for 25 km, and then in a direction 31° east of north for 26 km. Determine (a) the magnitude (in km) of the car's total displacement from its starting point and (b) the angle (from east) of the car's

    asked on September 18, 2009
  24. stats

    Eating raw fish (and enjoying it) is an acquired taste for many people who have never tried sushi. Ten people who had never before eaten sushi were asked to rate how much they liked it on a 100-point scale (100=fantastic, 0=yuck) on each of four occasions

    asked on June 14, 2006
  25. math

    solve the equation -5+x=14 A. -19 B. 9 C. -9 D. 19 i think it is B but im not 100% sure please help me

    asked on February 10, 2020
  26. science

    what is the gulf stream? A. a surface current***** B.a deep current C. a river D.a climate event

    asked on February 10, 2020
  27. science

    Hey could you check my answer 1. What causes currents to move in circular patterns? A.surface currents B.deep currents C.waves D.coriolis effect ***** i think its D

    asked on February 10, 2020
  28. Algebra

    If the father's age in 3 years will be twice the son's age 4 years ago, and if the sum of their ages now is 106, how old is the father now?

    asked on January 5, 2017
  29. Algebra

    If n is the larger of the two consecutive numbers, write an expression for the sum of these two numbers.

    asked on December 3, 2016
  30. Chemistry

    20. What is the molecular formula for alkane, alkenes and alkynes? 15.What happens to a reaction at equilibrium when more reactant is added to the system?

    asked on May 10, 2016
  31. statistics

    A shipment of 50 parts contains 12 defective parts. Suppose 3 parts are selected at random, without replacement, from the shipment. What is the probability that all 3 parts are defective?

    asked on December 13, 2015
  32. History

    How did the french respond when the U.S. refused to repay debts owed to France? A) France declared war with the U.S. B) France stopped all trade with the U.S. C) France began to seize American ships and cargo. ** D) France kidnapped government leaders and

    asked on December 7, 2015
  33. math

    17. a restaurant has one type of milk that has 2% fat and another that has 7% fat. How many quarts of each type does the restaurant need to make 40 quarts of a milk mixture that 5% fat (1 point) A. 10 lawns B. 50 lawns C. 100 lawns D. 1,000 lawns

    asked on January 6, 2015
  34. algebra

    1. is (0,3) a solution to the equation y=x+3 (1 point) yes** no 2. is (1,4) a solution to the equation y=-2x (1 point) yes no** 3. (4,0),(3,-1),(6,3),(2,-4) Which are solution to y=x-4?Choose all correct answers. (2 points) (6,3) (4,0)** (3,-1) (2,-4)** Im

    asked on August 28, 2014
  35. math

    It will cost $0.15 to cover 1000 cm² with paint. About how much will it cost Chen to paint his office? Show your work.

    asked on February 7, 2014
  36. physics

    Vector A has magnitude 73 units and direction, counterclockwise from east, of 5.5 degrees. What is the value of its x-component to 1 decimal place?

    asked on May 22, 2013
  37. physics

    An 80 kg crate was slowed to a stop when a frictional force of 160 Newtons was applied. It was originally traveling at 5.5 m/s. What distance did the box travel before it came to a stop? m. Round to first decimal.

    asked on May 20, 2013
  38. Physics

    If 3.25x10-3 kg of gold is deposited onto the negative electrode of an electrolytic cell in a period of 2.78 hours, what is the current through this cell in amperes? Assume that the gold ions carry one elementary unit of charge

    asked on December 10, 2012
  39. physics

    a playground slide is a place inclined at 48 to the horizontal. a child of mass 25 kg slides down the slide for 4m. calculate the potential energy lost by the child

    asked on November 30, 2012
  40. Physics

    Light cannot be linearly polarized by: transmission reflection diffraction diffraction

    asked on October 26, 2012
  41. English

    Hinders ability to function starting with dis il or not and it has 10 letters. The 5th letter is b and the 7th is l and the 9th is a

    asked on September 11, 2012
  42. chemisty

    Calcium carbonate can be decomposed by heating according to the equation Below. WHat is the percentage yield of calcium oxide in this reaction if 12.6g of CaO is obtained when 25.9g of CaCO3 is heated ? CaCO3(S) -> CaO (s) + CO2 (g)

    asked on September 6, 2012
  43. math

    A prism has 10 faces.How many faces does a pyramid with the same base have?

    asked on April 23, 2012
  44. general chemistry.

    The nutritional calorie (Calorie) is equivalent to 1 kcal. One pound of body fat is equivalent to about 4.1 103 Calories. If an athlete expends 1635 kJ/h, how long does she have to play to work off 1.0 lb of body fat?

    asked on March 3, 2011
  45. Science

    Compared to the number of protons how many electrons does the carbonate ion have

    asked on November 9, 2010
  46. Math

    The sum of Billy's and his sister Diane ages is 37. If three years ago Billy was 11 years older than Diane, then what is the age of each of them right now?

    asked on September 6, 2010
  47. english

    why does arthur first pull the sword from the stone

    asked on July 22, 2010
  48. physics

    Three vectors are given by = 1.0 + 3.0 + -4.7, = 2.0 + 2.0 + -4.0, and = 3.0 + -4.2 + -4.0. Find (a)·( × ) and (b)·( + ).

    asked on September 19, 2009
  49. physical science

    the solid has a mass of 180g. what is the density of the solid?

    asked on March 19, 2009
  50. chemistry

    The instruction booklet for your pressure cooker indicates that its highest setting is 13.5psi . You know that standard atmospheric pressure is 14.7psi , so the booklet must mean 13.5psi above atmospheric pressure. At what temperature will your food cook

    asked on January 25, 2009
  51. chemistry

    what is an atomic mass unit? what are the approximate masses of the subtomic particles, expressed in atomic mass units?

    asked on September 25, 2008
  52. science

    the latest information on the 'big bang' theory

    asked on September 16, 2008
  53. Science

    Alright i forgot my science book and theres a paper due soon so i was wondering if i could get some answers to these questions. List Three Ways That Substances can move in and out of a cell. In diffusion, molecules move from an area of _________

    asked on January 29, 2008
  54. math

    What is one way to find a missing side length in a pair of similar figures?

    asked on December 6, 2007
  55. english 2

    Serious Story They were all slouching in their seats; making it obvious they didn’t want to be there. One was holding on to practically cradling his blue bandana, another was looking at a bruise he had received during a fistfight earlier that day. There

    asked on May 17, 2007
  56. social studies

    can you help me with confearcay homework? Please repost your question, check your spelling, and be more specific. I have no idea what "confearcay" means. Thanks. =) What did the U.S. government do to the Cherokees and other tribes in the 1830's? This is a

    asked on April 30, 2007
  57. U.S.HISTORY

    could hitler invated England or not? i need to know both sides. The word "could" means "was possible" - so was it possible that Hitler could have invaded England? Of course it's possible - but he didn't.

    asked on April 16, 2007
  58. music before the 1920's

    i need to know what music was like before the 1920's, before jazz. Thank you for using the Jiskha Homework Help Forum. Here's a site I like a lot! http://kclibrary.nhmccd.edu/music-1.html

    asked on January 17, 2007
  59. Salem Witch Trials

    how do historians interpret theses events? do they think they were necessary in order for the society to advance No. The witch trials were an aberration and took a step backward in the advancement of society. They attempted to blame a scapegoat for

    asked on September 4, 2006
  60. chemistry-Dalton

    what flows exist in Dalton's model of the atom? Dalton had a flawed view on what made up different elements: He had the view that atoms the same element had the same mass, and different element atoms had a different mass. Only later did we learn of

    asked on August 30, 2006
  1. Math

    What is the answer

    posted on April 29, 2020
  2. English

    (this is in the Unit) Stock characters, for example, are characters that represent generic types of people. Stock characters are not complex or unique but display stereotypical characteristics. One example of a stock character is the sly villain’s

    posted on April 3, 2020
  3. Starcatcher

    Whether it is BCB or BAC the ALWAYS correct answers are: a story that keeps the reader on edge about its outcome, S;S;P, and Emeralds ARE a rarer find that diamonds. (The word "everyone" is singular (look it up))

    posted on March 31, 2020
  4. Check Math Answers!!

    yup bob is right!! Thanks bob

    posted on February 26, 2020
  5. In memory, MsSue

    yes she died ;c

    posted on February 10, 2020
  6. In memory, Ms. Sue

    i know im really late on this but today in one of my questions i asked if Ms.sue would answer but then someone said she wasn't with us anymore and i felt so bad Ms.sue was a brilliant teacher she was so smart she never answered my questions but she helped

    posted on February 10, 2020
  7. science

    so i think its B

    posted on February 10, 2020
  8. science

    Thanks

    posted on February 10, 2020
  9. Language arts check work

    no joke C A C A A is right

    posted on January 29, 2020
  10. Art

    the right answers are B C A D A B C A C D

    posted on January 28, 2020
  11. Math

    dxcvcffcgutddsudryyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy

    posted on December 18, 2019
  12. Language Art's

    Guys the answers are cccbc. I'm not one of those liers I dont have time for that, but those are the answers.

    posted on November 13, 2019
  13. social studies

    Ur not really a teacher if u don't know

    posted on November 5, 2019
  14. career planning

    Missingno is correct!

    posted on October 24, 2019
  15. social studies

    this is not helpful

    posted on September 10, 2019
  16. social studies

    its b

    posted on September 8, 2019
  17. tech

    file type?

    posted on September 3, 2019
  18. chemistry

    the setup of the answer is correct. however calculations are wrong

    posted on August 28, 2019
  19. Check my answer?

    Is A Dumb Person Right?

    posted on May 21, 2019
  20. Pre-Algebra

    15.52 is does not equal 15 it equals 16 because .52 rounds up to 1

    posted on March 20, 2019
  21. URGENTquestions for Math

    1: D 2: A 3: D 4: A

    posted on February 16, 2019
  22. Social Studies

    whats the god gamn answer?

    posted on February 4, 2019
  23. Texas History

    cdc

    posted on February 4, 2019
  24. Language Arts

    Thankssssssssssss sss

    posted on February 1, 2019
  25. Physics

    not 1/2

    posted on January 21, 2019
  26. Social Studies

    BTW the answer is c

    posted on November 27, 2018
  27. Social Studies

    then what is your answer Writeacher???

    posted on November 27, 2018
  28. Language Arts

    THANK YOU Percival Graves

    posted on November 19, 2018
  29. Math Help!!!

    guys can u put up real answers

    posted on November 1, 2018
  30. Math

    It's -21 cause maths

    posted on October 11, 2018
  31. physics

    The magnitude is after that and then the degree is tan inverse y/x

    posted on October 9, 2018
  32. MATH

    bull!@#$%^&

    posted on July 21, 2018
  33. math

    i dont know thats why im here

    posted on July 10, 2018
  34. Math

    he is wrong.

    posted on May 19, 2018
  35. Math

    500

    posted on May 10, 2018
  36. Math (check answers)

    Anonymous #2 is not B, everything else is but #2 isnt, ;-;

    posted on February 23, 2018
  37. art

    nashi is wrong. its D A D B B

    posted on February 16, 2018
  38. science help asap!!!

    10000000000% thnks

    posted on February 7, 2018
  39. MATH

    If this is a horrible website why would you post your own work on here you were rude to that other person when you use this yourself no hate

    posted on January 23, 2018