Krista

Most popular questions and responses by Krista
  1. world history

    Which best describes the Dutch East India Company? it was a Multinational corporation used to boost trade with Asian territories. it was the worlds largest shipbuilding company located in North america it was a team of mercenaries and militia hired by

    asked on June 20, 2018
  2. world history

    Pope Innocent III called for a Crusade against European heretics (1). These Crusades were against fellow Christians because their interpretation of Christianity did not align with the official doctrines of the Catholic Church (2). Church doctrine forbids

    asked on June 16, 2018
  3. physics

    calculate the centripetal acceleration of the earth in its orbit around the sun and the net force exerted on the earth. What exerts this force on the earth? Assume that the earth's orbit is a circle of radius 1.50x10^11m. (earth's mass= 5.98x10^29kg, Sun's

    asked on April 27, 2010
  4. world history

    During the Renaissance, humanist ideas swept through Europe (1). Humanism launched the Scientific Revolution, resulting in advancements in metallurgy, anatomy, and astronomy (2). Humanist ideals mimicked the feudal system to identify classes of people (3).

    asked on June 17, 2018
  5. chemistry

    an aluminum cylinder is 10.0 cm in length and has a radius of .25 cm. if the mass of a single atom of aluminum is 4.48X10^-23 calculate the number of aluminum atoms present in the cylinder. the density of aluminum is 2.70 g/cm^3 Please answer quickly.

    asked on September 7, 2012
  6. Math

    The population of a country is 313 million and there were 45,600 deaths due to kidney disease. What is the rate of deaths per 10,000 of the population of the country?

    asked on June 27, 2019
  7. Math

    Match each ratio in the first row with an equivalent ratio from the second row if angle A plus angle B = 90 degrees. SinA CosA TanA CscA SecA CotA SinB CosB TanB CscB SecB CotB Pleaseeee help!!

    asked on February 24, 2012
  8. chemistry

    A solution of 11.7 g of fructose in 325 g of ethanol has a boiling point of 78.59 C. The boiling point of ethanol is 78.34 C and kb for ethanol is 1.2 C/m. What is the molecular weight of fructose?

    asked on October 13, 2011
  9. Statistics

    A telephone company's goal is to have no more than 4 monthly line failures on any 100 miles of line. The company currently experiences an average of 5 monthly line failures per 50 miles of line. Let x denote the number of monthly line failures per 100

    asked on February 11, 2012
  10. math algebra

    The problem is: Find an equation for the line, in general form, with the given properties: slope =4; containing the point (-2, -4)

    asked on March 2, 2019
  11. physics

    A long string is wrapped around a 6.2cm diameter cylinder, initially at rest, that is free to rotate on an axle. The string is then pulled with a constant acceleration of 1.9 m/s^2 until 1.0 m of string has been unwound. If the string unwinds without

    asked on March 15, 2012
  12. Physics

    In the vertical jump, Kobe Bryant starts from a crouch and jumps upward to reach as high as possible. Even the best athletes spend little more than 1.00 second in the air (their "hang time"). Treat Kobe as a particle and let ymax be his maximum height

    asked on February 2, 2012
  13. Statistics

    Suppose that an automobile parts wholesaler claims that .5 percent of the car batteries in a shipment are defective. A random sample of 200 batteries is taken, and four are found to be defective. (a) Use the Poisson approximation to find the probability

    asked on February 11, 2012
  14. Physics

    The arm of a crane at a construction site is 13.1 m long, and it makes an angle of 20° with the horizontal. Assume that the maximum load the crane can handle is limited by the amount of torque the load produces at the base of the arm. (a) What is the

    asked on March 21, 2011
  15. Art

    Why do some people feel the wall for peace in Paris is unsightly ?

    asked on April 11, 2019
  16. Geometry

    Three coplanar lines always make a triangle? Find a counter example.

    asked on September 24, 2013
  17. math

    evaluate: cos (arc sin (4/5) - arc tan 2) with out using a calc.

    asked on April 15, 2010
  18. Physics

    A rocket with a mass of 345 kg is launched vertically. the engine produces a thrust of 17000 N. Neglect air resistance. a. How would I determine the weight of the rocket? b. What is the net force being applied to the rocket?

    asked on November 23, 2009
  19. Math

    Suppose that an automobile parts wholesaler claims that .5 percent of the car batteries in a shipment are defective. A random sample of 200 batteries is taken, and four are found to be defective. (a) Use the Poisson approximation to find the probability

    asked on February 11, 2012
  20. math

    The equation of line AB is (y-3) = 5 (x - 4). What is the slope of a line perpendicular to line AB?

    asked on February 27, 2014
  21. Math

    Does studying for an exam pay off? The number of hours studied, x, is compared with the exam grade received, y. x 7 7 5 5 7 y 95 90 75 85 95 (a) Complete the preliminary calculations: SS(x), SS(y), and SS(xy). Incorrect: Your answer is incorrect. . (SS(x))

    asked on May 30, 2013
  22. Calculus

    Determine whether the planes are parallel or orthogonal. Equations given: 5x - 3y + z = 4 x + 4y + 7z = 1 How exactly do I solve this? It wasn't covered completely in class.

    asked on April 8, 2013
  23. chemistry

    Nitrosyl chloride, NOCL, decomposes to NO and C1 in accordance with the following equation: 2NOC1(g)--> 2NO(g)+ C1 2(g) Determine the rate equation and the rate constant for the reaction for the following data: [NOC] 0.10 0.20 Rate, M/s 0.8 x 10(-3) 3.20 x

    asked on October 13, 2011
  24. Pre-calculus

    How do you write an equation of a translated line given the equation of the original line and both the translated and original lines on a graph?? Thanks in advance!!

    asked on September 2, 2009
  25. math

    The equation of line AB is y = 2x + 4. Write an equation of a line parallel to line AB in slope-intercept form that contains point (3, -2).

    asked on February 27, 2014
  26. Math PLEASE help

    Does studying for an exam pay off? The number of hours studied, x, is compared with the exam grade received, y. x 7 7 5 5 7 y 95 90 75 85 95 (a) Complete the preliminary calculations: SS(x), SS(y), and SS(xy). Incorrect: Your answer is incorrect. . (SS(x))

    asked on May 30, 2013
  27. Vectors/Calculus

    The question asks me to find the area of the triangle with the given vertices. (The area A of the triangle having u and v as adjacent sides is given by A=1/2 ||u x v||.) the vertices are: (0,0,0) (1,2,3) (-3,0,0)

    asked on April 7, 2013
  28. Biology

    I need some help with these questions. I've chosen answers, but I want to make sure if they are correct. 1)Which of the following is an acidic pH? 6 7 8 800 A: 6 None of the above ------------------------------------- 2) Which of the following is directly

    asked on March 20, 2015
  29. Physics

    For no apparent reason, a poodle is running counter-clockwise at a constant speed of 3.00 m/s in a circle with radius 2.9. Let v_1 be the velocity vector at time t_1, and let v_2 be the velocity vector at time t_2. Consider \Delta v = v_2-v_1 and \Delta t

    asked on March 16, 2012
  30. chemistry

    Calculate the molarity of NaI in a soultion obtained by adding 5.0 mL of 0.2 M NaI to a mixture of 5.0 mL of 0.2 M K2SO4,5.0 mL K2S2O8, 4.0 mL of H2O and 1.0 mL of Starch

    asked on October 13, 2011
  31. math

    How do you find a range to estimate each sum 388+192+741 Thank you.

    asked on September 8, 2011
  32. math

    The equation of line AB is y = 2x + 4. Write an equation of a line parallel to line AB in slope-intercept form that contains point?

    asked on February 27, 2014
  33. Geometry

    2,3,5,7,11... What is the inductive reasoning?

    asked on September 24, 2013
  34. Geometry

    3,4.5,6.75,10.125... what is the inductive reasoning?

    asked on September 24, 2013
  35. Geometry

    2,3,5,7,11.... What is this inductive reasoning?

    asked on September 24, 2013
  36. Chemistry II

    An analgesic mixture is 37.5% aspirin by mass. How many grams of the mixture are needed to provide 325 mg aspirin. Make sure to show your work.

    asked on August 26, 2013
  37. Statistics

    Seven thousand raffle tickets are to be sold at $10 each to benefit a local community group. The prizes, the number of each prize to be given away, and the dollar value of winnings for each prize are as follows: Prize Number to Be Given Away Dollar Value

    asked on February 11, 2012
  38. math

    how do I calculate 22 x n is between 80 and 85 please

    asked on April 12, 2011
  39. math 191

    Compute the difference quotient: [(f(x)- f(a))/(x-a)].. for f(x)= (-1/x^2)

    asked on May 22, 2010
  40. Math

    solve by the substitution method 7x+4y=14, x=47-7y please help

    asked on May 16, 2010
  41. precal

    Evaluate tan B tan C if triangle ABC is not a right trianlge and cos A=cosB cosC.

    asked on May 10, 2010
  42. Precal nightmare

    Show that: sec (A-B)= (cos(A+B))/(cos^2 A-Sin^2 B)

    asked on May 6, 2010
  43. Precal

    show that: (1-tanx)/(1+tanx)= (1-sinx)/(cos2x)

    asked on May 6, 2010
  44. math 191 calc

    ((sqr 3)sin t)-((sqr 1)+(sin^2)*t)=0

    asked on April 12, 2010
  45. Pre-calculus

    How do you write an equation of a translated line given the equation of the original line and both the translated and original lines on a graph?? Thanks in advance!!

    asked on September 2, 2009
  46. Math

    A store sells boxes of chocolates wrapped with a bow . If the bow is made from a 15 inch length of ribbon: A) how much ribbon remains from a roll which is 10 yards long after 20 boxes have been wrapped? B) How many more boxes can be wrapped in this way?

    asked on April 13, 2015
  47. Physics

    If you step on your car's brakes hard, the wheels stop turning (i.e., the wheels "lock") after 1.5 revolutions. At the same constant acceleration, how many revolutions do the wheels make before stopping if your initial speed is twice as high?

    asked on March 15, 2012
  48. physics

    In a historical movie, two knights on horseback start from rest 60 m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of 0.20 m/s2, while Sir Alfred's has a magnitude of 0.28 m/s2. Relative to Sir George's

    asked on January 12, 2012
  49. physics

    Brookney kicks a soccerball with a speed of 17m/s at 43 degress above the horizon. How far does the ball go before it hits the ground?

    asked on October 25, 2011
  50. math

    how do you find the rule to a f(x) problem?

    asked on May 9, 2011
  51. English

    How do you find a verbal phrase in a sentence then identify it as a gerund, particpial, or infinitive phrase?

    asked on April 21, 2010
  52. math-191

    show that k(x)= (5x^3) + (5/x^3) - x- (1/x)

    asked on April 13, 2010
  53. math 191- calc

    sect + tan t= (sqr 3)

    asked on April 12, 2010
  54. philosophy

    just a question... do you guys edit essays here? (for grammar/sentence structure?)

    asked on October 12, 2007
  55. math 1

    The vertices J(2,6), K(7,8), L(9,3), and M(?, ?) determine a square. Show your work to find the coordinates of M. Use complete sentences and proper grammar to give a justification why JKLM is a square.

    asked on August 4, 2017
  56. Algebra

    Consider the line =y+76x2 . Find the equation of the line that is parallel to this line and passes through the point , −7 4 . Find the equation of the line that is perpendicular to this line and passes through the point , −7 4 .

    asked on April 10, 2017
  57. Physics

    Can you help me understand the graphic relationship between d vs t, v vs t, and a vs t?

    asked on September 6, 2015
  58. Math

    The following diagram represents a coffee table . If the scale is 1:30, determine the actual dimensions of the table it is 41/2 length and 2

    asked on April 12, 2015
  59. Math

    To support a damaged tree, a guy wire is attached to it and secured to a peg in the ground some distance away ( see the diagram below). 2 ft is by the guy wire 8 ft and 50 degrees

    asked on April 12, 2015
  60. Math

    A room measures 15 ft by 12 ft . Sketch and label a diagram and then calculate its area and perimeter

    asked on April 12, 2015
  61. Geometry

    2,3,5,7,11.... What is this inductive reasoning?

    asked on September 24, 2013
  62. Geometry

    3,4.5,6.75,10.125... what is the inductive reasoning?

    asked on September 24, 2013
  63. Math

    What is the better deal? Earning $1000 a day for the rest of your life or earning $.01 the first day and doubling it every day for the rest of yor life. How do you know?

    asked on November 29, 2012
  64. Math

    Seven thousand raffle tickets are to be sold at $10 each to benefit a local community group. The prizes, the number of each prize to be given away, and the dollar value of winnings for each prize are as follows: Prize Number to Be Given Away Dollar Value

    asked on February 11, 2012
  65. chemistry

    Very carefully explain which will evaporate faster under conditions: 50.0 mL of distilled waater or 50.0 mL of sea water.

    asked on October 13, 2011
  66. physics

    Momentum of a bullet of mass 1.34 x 10-3 slug traveling 735 ft/ s

    asked on August 25, 2011
  67. math

    23 students went to the school store, 17 bought pencils,12 bought paper, how many purchased both?

    asked on February 14, 2011
  68. Precalulus-NEED HELP!

    PLEASE HELP! Compute the difference quotient: [(f(x)- f(a))/(x-a)].. for f(x)= (-1/x^2)

    asked on May 22, 2010
  69. math

    Pg 220 # 59 Is this answer given correct for the following question?If it is not correct what is the appropriate answer Question: A quantity and its two-thirds and its half and its one-seventh together make 33. Find the quantity Answer: 14+ ¼ + 1/56 +

    asked on April 24, 2008
  70. science

    i have a joke my science teacher asked my lab partner what is the density of water for are project it was 1.0 he said boiling it she said no then he said buring it she said no then he said throwing it of a rocet And I don't get it.

    asked on September 5, 2006
  1. world history

    thank you :)

    posted on June 17, 2018
  2. Math

    3 is actually A, but Nachelle is correct with the rest.

    posted on November 3, 2017
  3. History

    Hannah is correct! I got a 100!

    posted on October 4, 2017
  4. Social studies

    The answers for Question 3, is not C. The right answer is A.

    posted on April 28, 2017
  5. Science

    i got 2/5!!!! !@#$%^& you

    posted on March 27, 2016
  6. Science

    Not correct kpop!

    posted on March 27, 2016
  7. Science

    what about the 5 th question

    posted on March 27, 2016
  8. PRECALC

    Who the hell is on here at 1:30 in the morning?

    posted on March 26, 2016
  9. 3rd Grade Math

    Start with the idea that some of the students can be paired (boy/girl, boy/girl, boy/girl... Then ask what (or who) will be left over after the pairing.... 9 boys. So have the child set the 9 boys apart... so instead of pairing 25 students we'll pair....be

    posted on January 29, 2015
  10. 10th grade

    Brainstorm the phrase 'Wherever you go, there you are'

    posted on January 29, 2015
  11. trig

    I believe that the final step would be 35 divided by tan20. As Steve explained, the angle between the ground and the shadow is 20 (complementary to the 70) and TAN is opposite/adjacent or the 35m height of tree divided by the unknown length of shadow.

    posted on January 29, 2015
  12. jm

    Running, playing, etc.

    posted on September 24, 2013
  13. Chemistry II

    Thank you so much!

    posted on September 3, 2013
  14. Vectors/Calculus

    Thank you!

    posted on April 7, 2013
  15. math

    Thanks so much.

    posted on September 8, 2011
  16. math

    Thank you. So would my range be 1200 - 1400?

    posted on September 8, 2011
  17. English

    hi. I am bit confused with the poem...does Barbara know that Nathan is blind before she pulls the faces..or does she figure out that nathan is blnd at the end,by saying the line"THen, she stiffens and frowns"??

    posted on December 2, 2010
  18. PHYSICS

    okay thanks i get it (:

    posted on October 17, 2010
  19. math 191

    im sorry, i wrote the question wrong, its supposed to be: f(x)=(-3/x^2), but i think i can follow this same format to solve this one too right?

    posted on May 22, 2010
  20. math-191

    ohh i see duh!! lol thanks =)

    posted on April 13, 2010
  21. math-191

    yea i realize that but the question says "show" that they equal each other. im thinking possibly by some sort of identity or something.

    posted on April 13, 2010
  22. math-191

    ^ sorry didn't finish: show that k(x)= k(1/x)

    posted on April 13, 2010