# armando

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

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.

3. ## 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

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

5. ## 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

6. ## 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 ).

7. ## 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.

8. ## physics

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

9. ## Maths

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

10. ## 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.

11. ## 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)

12. ## 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

13. ## 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

14. ## 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

15. ## 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

16. ## 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.

17. ## Maths

Show that the sum of the first six terms is equal to four times the fifth term

18. ## 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?

19. ## 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.

20. ## 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.

21. ## Math - Logarithm

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

22. ## 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...

23. ## 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

24. ## 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:

25. ## physics

is constant acceleration reverse its direction?why

26. ## physics

is there is error in accurate value?why

27. ## physics

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

28. ## 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?

29. ## 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.

30. ## 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.

31. ## Chemistry

Solubility of PbCl2 in brine solutions

32. ## english

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

33. ## 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.

34. ## 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

35. ## Inequality

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

36. ## social studies

who speaks for the Executive Branch is it the senate?

37. ## science

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

38. ## physics

what happens when sun collapsed inside black hole?

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.

40. ## Math - Logarithm

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

41. ## 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

42. ## 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

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.

44. ## english

a person who love education is?

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