Armando

Most popular questions and responses by Armando
  1. Simple Chemistry

    A.Write a brief procedure outling how would you prepare 250mL of a 0.150M solution of a CoCl2 from solid CoCl2 and distilled water b. Using the solution from part a and distilled water, how would you prepare 100ml of a 0.0600 M solution of CoCl2 C. What

    asked on April 28, 2014
  2. physics

    a body moving with a uniform acceleration travels distances of 24m and 64m during the first two equal consecutive intervals of time each of duration 4s.determine the initial velocity and acceleration of moving body.

    asked on August 25, 2011
  3. Physics

    A sled weighing 60 N is pulled horizontally across snow so that the coefficient of kinetic friction between the sled and the snow is 0.100. A penguin weighing 70 N rides on the sled. If the coefficient of static friction between the penguin and the sled is

    asked on December 6, 2006
  4. Math

    Binomial problems: Basic Anita's, a fast-food chain specializing in hot dogs and garlic fries, keeps track of the proportion of its customers who decide to eat in the restaurant (as opposed to ordering the food "to go"), so it can make decisions regarding

    asked on February 21, 2012
  5. Forces w/ tension

    Assume that three blocks portrayed below move on a frictionless surface and that a 42 N force acts on the 3.0 kg block. Determine (a) the acecleration given the system, (b) the tension inthe cord connecting the 3.0kg and the 1.0 kg blocks, and (c) the

    asked on December 7, 2006
  6. Chem

    Write a brief procedure outling how would you prepare 250mL of a 0.150M solution of a CoCl2 from solid CoCl2 and distilled water

    asked on April 28, 2014
  7. physics

    calculate the work done in lifting a 300N weight to a height of 10m with an acceleration 0.5 m/s square.

    asked on September 13, 2011
  8. geometry

    In the diagram below,BC is an altitude of ABD. What is the length of CD? If necessary, round your answer to two decimal places.

    asked on December 21, 2012
  9. Maths

    There are 50 oranges in a box 3/10 of them are rotten. How many oranges are not rotten?

    asked on April 7, 2013
  10. Physics

    A ball is launched with a velocity of 10 m/s at an angle of 50.0 degrees to the horizontal. The launch point is at the base of a ramp of horizontal length 6.00 m and 3.60 m high. A plateau is located at the top of the ramp. a) Does the ball land on the

    asked on December 18, 2006
  11. Form a polynomial f(x) from coefficient and it's 0

    Form a polynomial, f(x), with real coefficients having the given degree and zeros. Degree: 4; zeros: 6i and 7i I completely don't know what to do with this problem... if someone can solve and give a good explanation, I'd appreciate it. Thanks.

    asked on May 30, 2011
  12. physics

    A record of travel along a straight path is as follows: 1. Start from rest with constant acceleration of 2.59 m/s2 for 19.0 s. 2. Maintain a constant velocity for the next 2.15 min. 3. Apply a constant negative acceleration of −9.08 m/s2 for 5.42 s. (a)

    asked on September 10, 2014
  13. Calculus

    An oil tank in the shape of a right circular cylinder, with height 30 meters and a radius of 5 meters is two-thirds full of oil. How much work is required to pump all of the oil over the top of the tank? (The density of oil is 820 kg/m^3 ).

    asked on March 19, 2017
  14. physics

    from the top of a tower P,a ball is thrown vertically upwards.when the ball reaches a distance h below P,its speed is double of what it was at height h above P.show that the greatest height attained by the ball above P is 5h/3.

    asked on August 25, 2011
  15. physics

    a gun shoots a potato from a height of 6 feet. how long does it take to hit the ground.

    asked on April 19, 2012
  16. physics

    a horizontal force of 1.2kgf is applied to 1.5kgf of block which rest on surface such that it just begin to slide .if coefficient of friction is 0.3.find out acceleration

    asked on September 6, 2011
  17. Solve Inequality

    Solve the inequality. Express your solution using interval notation and please show all of your work. x(x + 6)(8 – x) >= 0 I need help, I guess I'm not understanding the interval notation portion. I know, that when 0

    asked on May 29, 2011
  18. University of Phoenix

    I'm taking this math class and I'm suppose to find the vertical, horizontal and oblique asymptote, if any for the following equation... f(x) = 11 - (5x/5x^2 + 7x - 12) by NOT, i repeat NOT looking at a graph of the function. Thanks...

    asked on May 23, 2011
  19. physics

    a ball is dropped from height of tower 300m .after 1s another ball is dropped with 20m/s from tower .when and where they meet?

    asked on August 24, 2011
  20. physics

    is constant acceleration reverse its direction?why

    asked on August 12, 2011
  21. Math - Logarithm

    Solve the following equation. Please show all of your work. 5 ln 2x = 10

    asked on June 5, 2011
  22. physics

    what happens when sun collapsed inside black hole?

    asked on September 24, 2011
  23. physics

    find the work done ,if a weight of 25kg is lifted through a vertical height of 2m from the ground and it is raised to same place by pushing up an inclined plane making an angle of 30 degree with ground .neglect friction.

    asked on September 13, 2011
  24. physics

    a ballon is moving upward with velocity 5m/s.when it isat a height of 98m a packet is dropped from it.what is the velocity of packet when it strikes the ground.

    asked on August 24, 2011
  25. Inequality

    Hi, can someone explain how to solve this inequality... 2x^3 - 7x^2 < 8x - 28 Thanks, Armando

    asked on June 1, 2011
  26. find real and complex 0

    Find the real and complex zeros of the following function. Please show all of your work. f(x) = x^3 + 2x^2 - 6x + 8

    asked on May 30, 2011
  27. Find the Bounds on the real zeros

    Find the bounds on the real zeros of the following function. Please show all of your work. f(x)= x^4 + 5x^3 + 6x^2 - 4.

    asked on May 29, 2011
  28. Remainder Theorem

    Use the remainder theorem to: find the remainder when f(x) is divided by x – c, and determine whether x – c is a factor of f(x). f(x) = x^4 - 8x^3 + 9x^2 - 69x + 24 ; x - 8 Please show all of your work.

    asked on May 29, 2011
  29. Chemistry

    Solubility of PbCl2 in brine solutions

    asked on November 6, 2016
  30. physics

    a bullet moving with velocity of 100m/s pierces a block of wood and moves out with a velocity of 10m/s.if the thickness of the block reduces to one half of the previous value,what will be the emerging velocity of the bullet?

    asked on September 1, 2011
  31. physics

    is there is error in accurate value?why

    asked on August 12, 2011
  32. physics

    a body displaced 12m due to east 5m due to north then 9m vertically upward what is the resultant displacement?solution with complete reason n figure

    asked on August 12, 2011
  33. Math - Logarithm

    Solve the following logarithm equation. Please show all of your work. log (5 + x) – log(x – 2) = log 2

    asked on June 5, 2011
  34. Math - Domain of Composite

    Find the domain of the composite function . Please show all of your work. f(x) = sqrt(x); g(x) = 2x + 12

    asked on June 5, 2011
  35. Statistics

    height shoe size (if you wear men's shoes, add 2) 61 6.5 67 9 63 7 66 8 60 6 71 10 71 11 63 8 63 7 66 62 7 64 6.5 61 7 64 7.5 63 8 58 6.5 63 9 62 6 61 7 74 60 6.5 60 7.5 63 8 Mean 63.73913043 7.571428571 Standard Deviation 3.922167667 1.296974501 H sub 0:

    asked on June 8, 2013
  36. science

    substance a has a boiling point of 80% C and a density of 3.5 g/cc what is it and why

    asked on October 11, 2012
  37. english

    what is a single word for that person who loves education ?

    asked on September 6, 2011
  38. english

    a person who love education is?

    asked on September 6, 2011
  39. physics

    an object from tower p thrown vertically.velocity at distance h below is double then velocity at distance above p then show that max height above p is 5h/3.

    asked on August 23, 2011
  40. physics

    an object is at tower p. if Velocity at distance h below p is double then at a distance h above p then show that max height above p is 5h/3.

    asked on August 23, 2011
  41. math

    how would i write this in an equation?if f is equal to or less than g than h must be equal to or pluss x

    asked on January 24, 2010
  42. social studies

    who speaks for the Executive Branch is it the senate?

    asked on January 28, 2009
  43. Figured out question

    Can't find my other post and I know the person who helped me wanted to know if it was right or no. And it wasn't. So Ff=UsFN Ff=49N -Ff=ma a=-6.86 on the penguin Fnet=ma Fa-Ff=ma Fa-49=6.12*6.86 Fa=90.98N There it is. Thank you.

    asked on December 7, 2006
  1. math

    THANK YOU!!!!

    posted on December 10, 2018
  2. math

    17,500 mph

    posted on February 26, 2018
  3. statistics

    1) (sqrt(.25*(1-.25))/1200) = .0125 2) .03/.0125 = 2.4 (z-score) -.03/.0125 = -2.4 (z-score) Find value using standard normal distribution table: 2.4 = .9918 -2.4 = .0082 .9918-.0082 = .9836 3) (sqrt(.25*(1-.25))/600) = .0177 .03/.0177 = 1.69 (z-score)

    posted on November 27, 2016
  4. math

    42.75

    posted on February 3, 2016
  5. Statistics

    Im trying to figure this out but im having a hard time. I need to do a write-up. If someone can explain how the answer came about ..

    posted on June 8, 2013
  6. physics

    if an object is at tower p.and then thrown vertically,velocityat distance below h is double then velocity at distance above h.then show max height above p is5h/3.

    posted on August 23, 2011
  7. Math - Domain of Composite

    sorry, f o g

    posted on June 5, 2011
  8. Find the Bounds on the real zeros

    is this the same as the vertical asymptote, if not how is different?

    posted on May 29, 2011
  9. Find the Bounds on the real zeros

    my question is, what does "bound" mean?

    posted on May 29, 2011
  10. Remainder Theorem

    Thanks.... this help a lot...

    posted on May 29, 2011
  11. University of Phoenix

    Thank you very much, I have been trying to solve this the entire day... It's so simple... for some reason, I keep on pulling the 5 out of the equation.... This helps a lot.... Thanks...

    posted on May 23, 2011
  12. Social Studies

    i was wondering who speaks for the Executive branch ?

    posted on January 28, 2009