Most popular questions and responses by blah
  1. Geometry

    13. In the rhombus m

    asked on February 9, 2016
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  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. 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
  22. 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
  23. 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
  24. Physics

    Light cannot be linearly polarized by: transmission reflection diffraction diffraction

    asked on October 26, 2012
  25. 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
  26. math

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

    asked on December 6, 2007
  27. 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!

    asked on January 17, 2007
  28. chemistry

    How do gas particles exert pressure on their container?

    asked on January 23, 2015
  29. Science

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

    asked on November 9, 2010
  30. 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
  31. 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
  32. 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
  33. english

    why does arthur first pull the sword from the stone

    asked on July 22, 2010
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. 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
  46. 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
  47. Chemistry

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

    asked on May 10, 2016
  48. 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
  49. 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
  50. 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
  51. math

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

    asked on April 23, 2012
  52. 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
  53. physical science

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

    asked on March 19, 2009
  54. science

    the latest information on the 'big bang' theory

    asked on September 16, 2008

    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
  56. 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
  1. Pre-Algebra

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

    posted on March 20, 2019
  2. URGENTquestions for Math

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

    posted on February 16, 2019
  3. Social Studies

    whats the god gamn answer?

    posted on February 4, 2019
  4. Texas History


    posted on February 4, 2019
  5. Language Arts

    Thankssssssssssss sss

    posted on February 1, 2019
  6. Physics

    not 1/2

    posted on January 21, 2019
  7. Social Studies

    BTW the answer is c

    posted on November 27, 2018
  8. Social Studies

    then what is your answer Writeacher???

    posted on November 27, 2018
  9. Language Arts

    THANK YOU Percival Graves

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

    guys can u put up real answers

    posted on November 1, 2018
  11. Math

    It's -21 cause maths

    posted on October 11, 2018
  12. physics

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

    posted on October 9, 2018
  13. MATH


    posted on July 21, 2018
  14. math

    i dont know thats why im here

    posted on July 10, 2018
  15. Math

    he is wrong.

    posted on May 19, 2018
  16. Math


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

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

    posted on February 23, 2018
  18. art

    nashi is wrong. its D A D B B

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

    10000000000% thnks

    posted on February 7, 2018
  20. 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
  21. Socialsl studies

    1.C 2.A 3.C 4.A 5.B yep 100%

    posted on January 8, 2018
  22. Language Arts

    So i looked at all the other answer and there are only a couple actually lying the thing is most questions are the same for everyone but there are about 4-5 that aren't but they are super easy just check the letter with the answers u are looking at and

    posted on December 14, 2017
  23. math

    I always use this one website called math papa, you should use it, you type or copy and paste any problem into the algebra calculator and it gives you the answer and the answer is 9

    posted on November 27, 2017
  24. Health and PE

    yes you are correct

    posted on November 27, 2017
  25. Math


    posted on November 7, 2017
  26. Math

    4/9 pages in 3/4 minutes

    posted on October 31, 2017
  27. Chemistry


    posted on October 27, 2017
  28. Connexus

    True or false

    posted on October 13, 2017
  29. Math

    wait what were they

    posted on October 12, 2017
  30. Business Math


    posted on October 3, 2017
  31. Social Studies


    posted on September 21, 2017
  32. Math


    posted on September 19, 2017
  33. Math

    math nooooo

    posted on September 19, 2017
  34. 6th grade math

    The rule is -2

    posted on May 25, 2017
  35. language arts

    Connection whiz is right

    posted on May 9, 2017
  36. Social Studies

    actually "Annoyed teacher", my teachers allow tests to be "open book", so get off your high horse

    posted on May 8, 2017
  37. Math (check answers)

    1.A 2.C 3.D 4.B 5.D

    posted on May 4, 2017
  38. Math

    Ms sue does that mean that 44 ft is the answer?

    posted on May 3, 2017
  39. English

    its A

    posted on May 3, 2017
  40. algebra


    posted on April 26, 2017
  41. art

    Thx Aubrey

    posted on April 26, 2017
  42. help fast fast

    I just took the lesson these are 100% correct 1. B 2. D 3. A 4. B

    posted on April 6, 2017