Newest questions and responses by Gab
  1. chemistry

    Calculate the grams of Ca(OH)2 used to make 500 mL of a 0.150 M solution.

    asked on April 30, 2018
  2. Math

    An area of 36 square metres is being enclosed on all 4 sides with the least amount of fence. If the fence comes in 2 metre sections, how many sections are neede?

    asked on March 30, 2017
  3. Math

    A certain travel agency offered a tourthat will cost each person P 1500.00 if not more than 150 persons will join,however the cost per person will be reduced by P 5.00 per person in excessof 150. what will be the maximum profit?

    asked on May 18, 2016
  4. Trigonometry

    4. An observer is near a river and wants to calculate the distance across the river. He measures the angle between his observations of two points on the shore, one on his side and one on the other side, to be 28º. The distance between him and the point on

    asked on May 1, 2015
  5. Chemistry - University

    Pentane (C5H12) and hexane (C6H14) form an ideal solution. The vapour pressure of pentane at 25oC is 511 mmHg and that for hexane is 150 mmHg. A solution is prepared by mixing pentane (density = 0.63 g/mL) and hexane (density = 0.66 g/mL). The mole

    asked on December 9, 2014
  6. chemistry

    A mixture of 0.100 mol NO, 0.200 mol H2 and 0.0800 mol N2 were placed in a 2.00L reaction vessel, heated, and allowed to come to equilibrium conditions. At equilibrium, the molar concentration of N2 was 0.0500 mol/L. Calculate Kc for this reaction. 2NO +

    asked on July 18, 2014
  7. Math

    Kurt cut pizzas into wedges measuring 40 degrees. If each person eats one piece of the pizza, how many people could he feed with with two whole pizzas?

    asked on April 24, 2014
  8. math

    "It takes Juwan exactly 35 minutes by car to get to his grandmother's. The nearest parking area is 4 minute walk from her apartment. One week he visited more often. He realized that he spent 5 hours and 12 minutes traveling to her apartment and then back

    asked on December 5, 2013
  9. Algebra 2

    One bottle contains 2 1/2 times as much water as another bottle. The larger bottle contains 15 ounces. How much does the smaller bottle contain?

    asked on September 12, 2012
  10. algebra 2

    A company wants to make ball bearings that have a standard diameter, d, of 24.000 mm. Acceptable ball bearings measure within ± 0.025 mm of this standard. Determine the solution set for the diameter of these ball bearings

    asked on July 23, 2012
  11. algebra 2

    The MePhone, a new smartphone, is being introduced in the Louisville area. The manufacturer plans to sell 30,000 phones during the first week and expects sales to increase by 8% each week after that find the equation, determine if its aritmetic or

    asked on July 23, 2012
  12. algebra 2

    1)In how many different ways can you roll doubles in a monopoly game when you use two die 2)caterer offers a choice of five desserts from a list of eight for the dessert bar at the prom. How many different groups of desserts could be served?

    asked on July 21, 2012
  13. algebra 1

    The bag contains three red marbles, two blue marbles, and seven yellow marbles. Two marbles are randomly drawn from the bag. What is the probability of drawing a blue marble, replacing it, and then drawing a yellow marble

    asked on July 21, 2012
  14. algebra 2

    The red spinner has six equal sectors labeled with numbers 1 through 6. The blue spinner has four equal sectors labeled with letters A, B, C, and D. Find the probability of spinning the two spinners and getting a number less than three with a B or D.

    asked on July 21, 2012
  15. geometry

    Rectangles A and B are congruent. The base of rectangle A is 5 inches more than its height. The height of rectangle B is 12 inches. What is the base of rectangle A?

    asked on February 16, 2012
  16. math third grade

    There are 40 people at a picnic. There are 4 more children than adults. How many of each are there?

    asked on December 13, 2010
  17. 10th grade Chemistry

    What is the hydroxide ion concentration in a solution with [H3O+] = 7.67*10^-9 M?

    asked on December 8, 2010
  18. calculus

    The treatment of a certain viral disease requires a combination dose of drugs D1 and D2. Each unit of D1 contains 1 milligram of factor X and 2 milligrams of factor Y, and each unit of D2 contains 2 milligrams of factor X and 3 milligrams of factor Y. If

    asked on June 25, 2010
  19. ap enviro

    how does nutrition suitability affect a plant's being eaten by animals it more likely to be eaten or less likely and why? in my opinion i think its less likely to be eaten because if its low in nutrition then animals wont be as drawn to it

    asked on November 29, 2009
  20. ap enviromental

    for a very long time, prokaryotes were the only living creatures on earth. how long a period? i would appreciate a straight answer please!!!

    asked on November 12, 2009
  21. pre calculus

    were doing sum and difference identities tan (225 degrees+60 degrees) i got to the part where its 1+radical 3/1-radical 3 what?

    asked on November 12, 2009
  22. social studies

    What causes wild fires?

    asked on September 21, 2009
  23. Geography

    What is a geography term that starts with the letter Y that is not a place or river?

    asked on September 1, 2009
  24. eng vocab: attitude

    i need an example of attitude in literature

    asked on August 30, 2009
  25. pre calc

    an earth satellite in circular orbit 1250 kilometers high makes one complete revolution evry 90 min. What is it linear speed? use 6400 kilometers for the radius of the earth.

    asked on August 30, 2009
  26. trig

    verify that f(x)= -2x+4 and g(x)= -1/2x+2 .....HELP! i totally blanked on this one :(

    asked on April 22, 2009
  27. kings speech from birmingham jail

    Does king consider himself an :outsider" by staging a civil rights protet in Birmingham? List three resons he gives in response to this criticism.

    asked on March 3, 2009
  28. eng-a modest proposal

    um okay i need help plz can u just give me a straight answer? ive had like 10 of these questions 1 Beneath his irony what is swift's argument? and 2 Comment on the statement "I can think of no one objection that will possibly be raised against this

    asked on February 16, 2009
  29. english-kite runner book

    1. The relationship between amir and hassan is, in some ways, intended to highliht the contrast between the shiite sunni sects. Describe four elements of social contrast between these two groups. 2.hosseini used irony in comparing life in california to

    asked on March 25, 2008
  1. chemistry

    thank you!

    posted on April 30, 2018
  2. science


    posted on April 22, 2018
  3. Science


    posted on November 21, 2016
  4. Chemistry


    posted on October 21, 2016
  5. Chemistry


    posted on October 9, 2015
  6. Math help algebra

    i'm sorry,it's the third one

    posted on September 18, 2015
  7. Math help algebra

    the second one is correct

    posted on September 18, 2015
  8. math/econs

    Y' = 10 + 10x

    posted on March 9, 2015
  9. algebra


    posted on March 30, 2013
  10. maths


    posted on March 30, 2013
  11. Algebra


    posted on March 16, 2013
  12. fractions

    um....... lol

    posted on June 9, 2011
  13. ap enviro

    okay are you sure its correct though?

    posted on November 29, 2009
  14. spanish

    how is the dog

    posted on November 21, 2009
  15. Geography

    Sorry those words didn't help! I need simple ones! Again I need a geography term that starts with the letter Y that is not a place or river.

    posted on September 1, 2009
  16. pre calc

    thank you!

    posted on August 30, 2009
  17. pre calc

    okay but don't you have to multiply the (1250+6400) by pi and 2 then divide that by 90? i got 534.07 as an answer

    posted on August 30, 2009
  18. trig

    oh btw the last part is to to find if they are inverse functions

    posted on April 22, 2009
  19. kings speech from birmingham jail

    can i have a stright answer plzzzz i dnt get this at all

    posted on March 3, 2009
  20. eng-a modest proposal

    no it didn't really help but thnx anyway :)

    posted on February 16, 2009