# Questions Asked onDecember 29, 2015

1. ## basic mathematics

ii) A box contains 10 white, 7 black and 3 green balls. 2 balls are drawn at random. Find out the probability that: a) both are white b) one is white and another is green c) one is black and another is green

2. ## science

what is computer?

asked by beshwar mandal
3. ## MRI

Hi, excuse me can you help me to solve..? When protons are placed in a steady magnetic field B0, in which axis does the net magnetization (M→) exist? z-axis y-axis There is no net magnetization. x-axis

4. ## MRI

Hi, Excuse me, can you help me to solve? The normal human brain at 3 T has tissue T1 and T2 times. Which of the following shows the correct tissue-longitudinal magnetization pair after 30∘ flip angle and 400 ms time delay if the initial magnetization

5. ## Math

The sum of the ages of a woman and her daughter is 46years.In 4 years, the ratio of their ages will be 7:2. Find their present ages.

6. ## Wave

A radio transmits at a frequency of 6 * 10^5Hz. If the speed of the signals is 3 * 10^8m/s, calculate the wavelength of th wave.

7. ## chemistry

How many grams of SrCl2 is required to prepare 1 molar solution of it,

8. ## Computer science

Score 1,Score 2 and Score 3 are the marks scored by a student in three tests. Write a pseudocode,an algorithm and draw the flowchart to find the average of best two scores.

9. ## chemistry

The solubility of a compound in water is 6.8g/100ml at 25°C. Calculate the amount of water required to crystallise 10g of the compound. If the pure compound is collected at 25°C what is the maximum possible yield percent?

10. ## k,

1 Mole of bacl3

11. ## Maths

Sin@=x find the value of (1-x^2)^1/2

X^3-(x+y)^3

13. ## maths physics chemistry

State the principle on which each of the following is based. (a) the equation of continuity, Av = constant (b) the Bernoulli equation

14. ## Maths

Factorise X^2-2xy-15y^2=0

15. ## math

two urn contain respectively 3 white, 7 red, 15 black and 10 white ,6 red and 9 black balls. one ball is drawn from each urn. what is the probability bthat both balls are of the same colour.

16. ## quantitative techniques

two urn contain respectively 3 white, 7 red, 15 black and 10 white ,6 red and 9 black balls. one ball is drawn from each urn. what is the probabilit

17. ## probability

two urn contain respectively 3 white, 7 red, 15 black and 10 white ,6 red and 9 black balls. one ball is drawn from each urn. what is the probability that both ball are same colours

18. ## maths

a printing machine can print 150 sheets in 3 minutes so thwat is the time taken to print 3000 ?

19. ## math

A baker uses 2 5/6 pounds of butter to make a batch of cookies. On a particular day, thebaker used 8 1/2 pounds of butter to make cookies. How many batches of cookies did the baker make that day?

20. ## English

In which of the following sentences is the word down used as an adverb

21. ## Chemistry

How do you separate a mixture of iron fillings and sulphur powder by use of methylbenzene

22. ## math

A rectangular flower bed has an area of 3 1/2 square yards. The width of the flower bed is 3/4 yard. What is the length of the rectangular flower bed?

23. ## Math

There are 100 coins in a jar and 10 are dimes. The rest are pennies and nickles. There are twice as many pennies as nickels. How many pennies and nickles are in the jar?

24. ## civics

Who stated sulabh international?

25. ## Chemistry

An experiment calls for 100ml of 0.1M copper(II) sulfate solution. Write a step-by-step procedure for a science teacher to make 100ml of 5M stock solution and the required diluted solution.

26. ## Math

A print manufacturer makes two types of printers: a Printmaster and Speedmaster. The Printmaster requires 10 cubic feet of space and weighs 5,000 pounds, and the Speedmaster takes up 5 cubic feet of space and weighs 600 pounds. The total available space

27. ## chemistry

report on the preparation of 0.004M stock solution of ethanoic acid

28. ## Math

find the equation of the circle whose centre lies on the line 5x-2y=9 and the circle touches both the positive axes

29. ## history

As population increased, the borders of Boston remained the same shrunk to include less area expanded to include more area changed shape but retained the same size

asked by rafat jahangir
30. ## To Alice

Please don't piggy-back your questions on other students' posts or replies. That's how things get lost. You posted this: I am having a problem with my assignment, I am currently attending Peen Froster for Medical billing and Coding. The subject is about

31. ## Electrostática

A linear charge lies on the y-z Plane. Find the electric Flux passing throught the Plane extending from 0 to 1.0m I nerd th is problem solve analytical and in matlab

32. ## stats

On the ninth day of Statistics, my teacher gave to me --- nine ladies dancing. These nine ladies dancing are the backup dancers for In Sync. It is well known that if dancers don’t warm up adequately before dancing, the dancers will be Out of Sync and may

33. ## dynamics

(a) A rocket is travelling out of the earth’s atmosphere. During flight it burns fuel at a rate of 80kg/s producing a constant thrust of 500kN which drives the rocket in a vertical trajectory. It has a mass of 3500Kg when it reaches a speed of 1220m/s.

34. ## SOCIAL STUDIES

Please write your thoughts on this article. I would love it if you gave your full thoughts on this article. Thank you!! :) KHULNA, Bangladesh — As storms have flooded the village of Chandipur with seawater, the soil there has become increasingly salty.

asked by Rebecca Rowling
35. ## Physics

A women, flying her plane south at 398 km/h when she encounters a wind blowing west at 104 km/h... A)...what would her resulting velocity be if she made no course correction B)...what speed and direction should she change to in order to maintain her

36. ## English

The profile of an earthquake survivor would most likely be included in a feature article.*************** an editorial article. a hard news article. a letter to the editor.

37. ## English

Which literary device is used in the following sentence? “Marie worked all day like an ant getting ready for the winter.” alliteration metaphor************** simile rhyme scheme

38. ## English

Identify the part of speech for the word in parenthesis. He (was) deeply in love with Janine. action verb helping verb linking verb******** none of the above

39. ## English

Which of the following is a complete sentence? Never make the same mistake twice. Working on a project that was overdue. One of my friends, who writes beautiful poetry in his spare time. A brand new housing complex full of beautiful parks and

40. ## English

Choose the term that describes the phrase in parentheses . You can just give the homework to Marc, (my next door neighbor), to give to me. adverb phrase adjective phrase appositive phrase participial phrase******

At an activity level of 8,800 units, Pember Corporation's total variable cost is \$146,520 and its total fixed cost is \$219,296. For the activity level of 8,900 units, compute the following values. Required: A. The total variable cost B. The total cost C.

42. ## English

1. This is the house where he lives. 2. This is the house in which he lives. 3. This is the house that/which he lives in. 4. This is the house that he lives. 5. This is the house he lives. 6. This is the house he lives in. ============== Among the 6

43. ## Global History II

Throughout history, Russia has been a threat to Turkey because Turkey a) ha large supplies of minerals b) shared Russia's religious beliefs c) controlled an important waterway d) was the leader of the Arab states

44. ## MATH

f(x)=(5x-7x^3)(2+sqrt(x)) Find the derivative

45. ## English

Thank you for your help. 1. Monday is the day when I am the busiest. 2. Monday is the day when I am busiest. 3. Monday is the day I am the busiest. 4. Monday is when I am the busiest. 5. Monday is the day that I am the busiest. 6. Monday is that I am the

46. ## Chemistry

Are there any disadvantages of a mass spectrometer

47. ## Geometry

If an TV is 51 inches wide and the height is half the size of the width, what is its screen size to the nearest inch?

48. ## math

A square of lawn is surrounded by a path 0.5m wide,,the area of the lawn is 23m^2 bigger than that of the area of the path ,,find the side of the lawn.

49. ## math

how do you figure out how many pennant flags you'll need for a 12 ft string?! PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!

asked by Sarah Martin
50. ## math

A square of lawn is surrounded by a path 0.5m wide,,the area of the lawn is 23m^2 bigger than that of the area of the path ,,find the side of the lawn

51. ## maths

-5²+[(-3²+2²)+(4²-4)\]

52. ## maths (bedmas)

15-[8³+3²-{8²-(42+2³)-5³}-2²]

53. ## Math

The total number of pears eaten by Pete and two of his friends, Tweet and Honk, (during this visit to the pear tree) were in the ratio of 2 : 3 : 5 respectively. If Pete ate 12 less pears than Honk, how many pears did Tweet eat during this time?

54. ## Math

A line 'l' intersects line 'm' at point A at 45 degree angle. B and C are points on line m, where the distance from B to A is equal to the distance from A to C. How many points on line 'l' are equidistant from points B and C? How is it one point? And this

55. ## English

The child who is watching the kittens as they___ with a ball of yarn___ not want to go home. a.play;does b.plays;do c.play;do d.plays;does

56. ## Math/Science

Calculate the minimum change in velocity (delta V or ∆V) required for the Space Shuttle to decrease its altitude to 60 miles if it’s orbiting with an apogee of 260 miles and a perigee of 220 miles above the surface of Earth.

57. ## physics, vector

three vector f1=2i-3j -4k, f2=3i+4j-0k,f3=3i-j+5k act on a body of mass 40g causing it to displace for 10sec from p1 ( 2,3,7 ) to p2 ( 3,6,7 ). (i) estimate the over all displacement vector. (ii) estimate the resultant force on the body . (iii) what is the

58. ## Science

A train starts from rest with an accelaration of 0.5 m/s (square) find its speed in km/h when it has moved throug 100m

59. ## maths

Log3^x+logx^3=2.5

60. ## Physics

A women, flying her plane south at 398 km/h when she encounters a wind blowing west at 104 km/h... A)...what would her resulting velocity be if she made no course correction B)...what speed and direction should she change to in order to maintain her

61. ## Math

Each triangle is a 30-60-90 triangle, and the hypotenuse of one triangle is the longer leg of an adjacent triangle. The hypotenuse of the largest triangle is 8 centimeters. What is the number of centimeters in the length of the longer leg of the smallest