Javier

Most popular questions and responses by Javier
  1. Math

    Find the maximum area of a triangle formed in the first quadrant by the x-axis, y-axis, and a tangent line to the graph of y = (x+1)^-2

    asked on November 12, 2010
  2. Statistics

    You buy a lottery ticket to a lottery that cost $10 per ticket. There are only 100 tickets available to be sold in this lottery. In this lottery there are one $500 prize, two $100 prizes, and four $25 prizes. Find your expected gain or loss. Do you still

    asked on May 3, 2016
  3. chemistry

    1.2 mol HCl and 3.9 mol NaOH react to this equation, HCl + NaOH=NaCl + H20 If the limited reactant id HCl, calculate the amount of NaCl formed in moles. Please help and explain how to solve this so I may understand it better please and thank you.

    asked on March 14, 2017
  4. Chemistry

    For the reaction, calculate how many grams of the product form when 3.2 g of Na2O completely reacts. Assume that there is more than enough of the other reactant. Na2O(s)+H2O(l)→2NaOH(aq)

    asked on July 17, 2016
  5. Math

    You were assigned 20 practice problems. You completed 5 problems. What fraction of the assigned problems do you have left?

    asked on December 6, 2018
  6. Physics

    A wire 75cm long carrying a current of 6.0A toward the north passes through a uniform magnetic field. The magnitude of the force acting on the wire is 0.60N and is directed downward. What is the strengh and direction of the magnetic field?

    asked on May 5, 2010
  7. chemistry

    A block of metal has a width of 3.2cm, a length of 17.1 cm, and height of 5.2 cm. Its mass is 1.1 kg. Calculate the density of the metal

    asked on September 11, 2010
  8. Statistics

    You Buy a lottery ticket to a lottery that cost $10 per ticket. There only 100 tickets available to be sold in the lottery. In this lottery there are one $500 prizes, two $100 prizes and four $25 prices. Find your expected gain or loss. Do you still want

    asked on May 3, 2016
  9. math

    An ant has 6 legs and a Spider has 8 legs. In a insectarium display, there are some spiders and ants. From these spiders and ants, there are 60 legs altogether. how many spiders and ants could there be?

    asked on April 14, 2016
  10. 11th grade Physics

    How many current paths are there in a series circuit connection?

    asked on March 31, 2010
  11. Physics

    A 0.50m long wire is carrying a current of 8.0A toward the east. The wire passes through a magnetic field of 0.40T toward the north. What is the force which acts on the wire? What is the direction of the force.

    asked on May 5, 2010
  12. science

    Does water with salt boils faster than plain water Yes, salt increases the waters boiling point and therefore a higher temperature is needed for the water to boil. Salt does, indeed, increase the boiling point of water due to the salt but it will take

    asked on January 31, 2007
  13. science

    I believe that our solar system formed by the same process as star formation. A huge cloud of dust and gas collapsed and condensed. Gravity pulled matter into the center core, nuclear fusion began, and our Sun was created. Remaining matter and gas clumped

    asked on August 31, 2016
  14. Maths

    There were 40 members in a hockey club. 3/8 of them were girls. When more girls joined the club, the percentage of the number of girls increased to 75%. How many more girls had joined the club? Some teachers attended a workshop. They were divided into

    asked on November 6, 2012
  15. Calculus

    A tank contains 2920 L of pure water. A solution that contains 001 kg of sugar per liter enters a tank at the rate 4 L/min The solution is mixed and drains from the tank at the same rate. (a) How much sugar is in the tank initially? (b) Find the amount of

    asked on May 22, 2012
  16. 11th grade Algebra 2

    A large pizza from Papa's Pizzeria has a diameter of 18 inches. If each large pizza is cut into 10 equal slices, what is the approximate area of 3 slices of pizza in square inches?

    asked on April 12, 2010
  17. Mathematics

    A space camera circles the Earth at a height of h miles above the surface. Suppose that d distance, IN MILES, on the surface of the Earth can be seen from the camera. (a) Find an equation that relates the central angle theta to the height h. (b) Find an

    asked on February 22, 2008
  18. chemistry

    If you have 22.46 mLs of a gas at STP, how many moles of gas do you have?

    asked on October 29, 2014
  19. Maths

    There are a total of 70 pebbles in Bag A and Bag B. There are a total of 120 pebbles in Bag B and Bag C. Bag C contains 3 times as many pebbles as Bag A. How many pebbles are there in Bag B? There were 27 pineapple tarts and murukus. The ratio of the

    asked on November 6, 2012
  20. Maths

    The sum of 5 numbers is p. If each number is increased by 40, what is the new sum of numbers?

    asked on November 6, 2012
  21. 11th grade Physics

    What is the potential difference if a resistance of 25 ohms produce a current of 250 amperes?

    asked on April 4, 2010
  22. 11th grade Physics

    What resistance would produce a current of 120 amps from a 6-volt battery?

    asked on April 4, 2010
  23. 11th grade Physics

    What is the current produced by a potential difference of 240 volts through a resistance of 0.2 ohms?

    asked on April 4, 2010
  24. Math Application

    A space camera circles the Earth at a height of h miles above the surface. Suppose that d distance, IN MILES, on the surface of the Earth can be seen from the camera. (a) Find an equation that relates d and h. (b) If d is to be 3500 miles, how high must

    asked on February 22, 2008
  25. Science

    1. What do we call the small wavelength that we can see? 2. How does light travel? 3. What type of lenses are used in a refracting telescope?

    asked on February 21, 2018
  26. Math- Vector Calculus

    A manufacturer sells two products, one at a price of $3000 a unit and the other at a price of $12000 a unit. A quantity q1 of the first product and q2 of the second product are sold at a total cost of $5000 to the manufacturer. Express the manufacturer's

    asked on January 31, 2015
  27. Maths

    Gerry earns $0.60 for every canned drink he sells. He earns an extra bonus of $5 for every 20 cans he sells. How many cans does he sell if he earns $53.40? Kevin and Janet had 480 books in total. After Kevin gave 1/9 of his books to Janet, they had an

    asked on November 6, 2012
  28. math

    The number is a two-digit number. The number is an even number less than 50. The sum of the digits in the ones and tens places is the double of 5. The tens place digit is less than the ones place digit What is the number?

    asked on April 26, 2012
  29. Chemistry

    Please!!! its extremely urgent. i do not need answers, only how to do it A sample of nitrogen gas (N2) kept in a container of volume 10.1 L and at a temperature of 20.3°C exerts a pressure of 3.1 atm. Calculate the number of grams of gas present. Round to

    asked on October 17, 2011
  30. calculus

    1/tanx + 1/cotx =tanx +cotx verify

    asked on May 24, 2011
  31. history

    create a college that shows how ancient greek culture is reflected in modern-day society.

    asked on November 9, 2010
  32. 11th grade Physics

    What is the current produced by a 9-volt battery flowing through a resistance of 2 x 10^-4 ohms?

    asked on April 4, 2010
  33. 11th grade English

    The Book of "The Great Gatsby" Describe the "valley of ashes." What does it look like, and what does it represent?

    asked on April 4, 2010
  34. 11th grade Physics

    What happens when an insulator is wired in parallel with the bulb? is the swich open or closed?

    asked on March 31, 2010
  35. physics

    a projectile with mass (m)=35grams is placed on a vertically positioned spring. the spring constant (k)=6500N/m. the projectile is launched straight up into the air by compressing the spring a distance (x)=8cm.How high does the projectile go?

    asked on October 21, 2013
  36. physics

    a projectile with mass (m)=35grams is placed on a vertically positioned spring. the spring constant (k)=6500N/m. the projectile is launched straight up into the air by compressing the spring a distance (x)=8cm.How high does the projectile go?

    asked on October 21, 2013
  37. chemistry

    what mass of KOH is reqired to react completely with 2.70g of H2So4 to produce K2S04 and water?

    asked on March 10, 2011
  38. 11th grade Physics

    What voltage is necessary to produce a current of 200 amperes through a resistance of 1 x 10^-3 ohms?

    asked on April 4, 2010
  39. 11th grade Physics

    How many current paths are there in a parallel circuit connection?

    asked on March 31, 2010
  40. 11th grade Physics

    What happens when an insulator is wired in series with the bulb? Is trhe swich open or closed?

    asked on March 31, 2010
  41. 11th grade Physics

    What happens when a conductor is wired in parallel with the bulb? Is the swich open or closed?

    asked on March 31, 2010
  42. Physics

    What happens to a bulb when a conductor is wired in series with the bulb (bulb lights or dosen't light)? Is the swich open or closed?

    asked on March 31, 2010
  43. NORCROSS

    Two positive point charges are held in place, 0.80 m apart. They are then moved so that their electric potential energy doubles. What is the new separation between the charges?

    asked on January 23, 2010
  44. 5th grade-math

    Sheila brought $1.95 in coins to spend at the bake sale. Her coins were all in dimes and quarters. The number of quarters she had was two less than the number of dimes. How many of each coin did she have?.

    asked on November 3, 2009
  45. math

    how to determine if each pair of ratios form a proportion A sweater is on sale for 52 dollars. If the original price was 78 dollars, what is the percent discount? how much candy

    asked on October 28, 2006
  46. Math

    1 x (4)-8 x 9/-3 This is a question from khan academy and it says the answer is 20. When it shows their work, it shows they are doing the 9/-3 division first, is that correct? Isnt the -8x9 first?

    asked on January 21, 2018
  47. Holy redeemer

    What is the compound interest on a $40,000 loan @ 16% for 3 years?

    asked on October 6, 2015
  48. Trig

    Sin theta=8/17, theta in Quadrant I, Cos X=-sqrt5/5 in Quadrant II

    asked on October 19, 2012
  49. Social

    Que tipo de de sistema politico tiene la reina isabel 2

    asked on August 28, 2012
  50. business

    whenever a two-tailed test is being conducted, the the rule of thumb requires which signs?

    asked on January 19, 2012
  51. geometry

    FIND THE THIRD ANGLE IN A TRANGLE IF TWO OF THE ANGLES ARE 43 AND 114

    asked on December 7, 2011
  52. psychology

    How could an adolescent (aged 12-17) face Erikson’s crisis of Generativity vs. Stagnation, which is typically experienced in middle adulthood (2 pts)?

    asked on February 2, 2011
  53. Physics

    A copper wire 0.40m long carries a current of 6.0A and weighs 0.35N. What strenght magnetic field is required to balance the weight of the wire?

    asked on May 5, 2010
  54. social studies

    How do the three levels of government interact, or inter-relate?

    asked on December 18, 2007
  1. MEDICAL

    POST OPERATIVE OFFICE VISIT (PO OV) PROBLEM FOCUSED HISTORY/PROGNOSIS, STRAIGHTFORWARD MEDICAL DECISION MAKING (PF HX/PX SF/MDM)

    posted on May 20, 2019
  2. Math

    I dont ride my bike, i have a hoverboard.

    posted on April 3, 2019
  3. science --- check my answers!

    Junior your the best!!!!!!! your a god

    posted on September 13, 2018
  4. science --- check my answers!

    what is 4

    posted on September 13, 2018
  5. math

    The 2008 yearbook at Middleton middle school had 236 candid pictures of students. The 2007 yearbook had 214 candid pictures of students. What percent of change in the number of candid student pictures from 2007 to 2008 to the nearest tenth?

    posted on March 12, 2018
  6. English

    He was an outcast... He was isolated from society and eat peanuts

    posted on October 24, 2017
  7. earth science

    the death is a black dwarf

    posted on September 23, 2016
  8. Shakespear

    A

    posted on March 21, 2016
  9. Alg 1

    -2,-3

    posted on April 23, 2014
  10. Trig

    It says to evaluate the expression

    posted on October 19, 2012
  11. 3rd Grade Math

    5 Arrays 1x16 16x1 2x8 8x2 4x4

    posted on December 15, 2011
  12. Spanish

    your vocabulary its ok but u have to chek ur grammar.

    posted on March 5, 2011
  13. Physics

    How many possible orientations are there in a bulb, battery, and wire are there that don't result in the bulb lighting? Need four of these as drawings.

    posted on March 31, 2010
  14. ALGEBRA

    These answers are wrong they both can't be traveling at the same speed and one person be traveling father. Plug the answer 14 back into the original problem they both equal 3.

    posted on March 17, 2010
  15. Finance

    In examining the liquidity ratios, the primary emphasis is the firm´s

    posted on March 18, 2009
  16. Math Application

    Here is the raidus of Earth as given in the book: 3960 miles.

    posted on February 23, 2008