# Questions Asked onJuly 5, 2014

1. ## chayyenne

A 26' long painting is how many yards long?*

2. ## physics

the vectors sum of two vectors of magnitudes 10 units and 15 units can never be?

3. ## chemistry step for step thank a lot

10L of hard water required 5.6g of lime for removing hardness. Hence temporary hardness in ppm of cac03. The answer 1000 I think ppm= 1mg/1L 10L x 100g/mol cac03 = 1000 Who check it for me step by step Thank all tutors for your help. How many ml of a 0.05M

4. ## physics

A worker in a warehouse uses a rope passing through some pulleys to lift a heavy crate. The worker exerts a force five times less than the weight of the crate but has to move the rope four times as far as the crate moves. This situation... A) can happen

5. ## maths

Sachin and rahul attempted to slove a quadratic eqn. Sachin made a mistake in writing down the constant term and ended up it roots (4,3). Rahul made a mistake in writing down coefficient of x to get roots (3,2) the correct roots of the eqn are:

6. ## POL 201 Week 4 quiz help

Question 1.1. The Judiciary Act of 1789 established all of the following except that the Supreme Court would (Points : 1) have one Chief Justice. have five associate justices. sit in two sessions each year. determine how many federal districts there would

7. ## PHYSICS

a car is proceeding at a speed of 14.0m/s when it collides with a stationary car in front. during the collision the first car moves a distance of 0.300 m as it comes to a stop. the driver is wearing her seat belt, so she remains in her seat during the

8. ## uos

A 2.0-kg object starts from rest from the top of an inclined plane that makes an angle of 30° with the horizontal and has a rise of 0.40 m. It slides down the inclined plane and at the bottom has a kinetic energy of 60 J. Ignore friction and use g = 10 m/

9. ## geometry

Alice purchased 30 decorative stone square blocks to create an enclosed rectangular garden area. Each square block measures 1 foot by 1 foot, and one possible arrangement is shown. Including the arrangement shown, in how many distinct ways can Alice

10. ## chemistry

during an effusion experiment, oxygen gas passed through a tiny hole 2.5 times faster than the same number of moles in another gas under the same conditions. What is the molar mass of the unknown gas?

11. ## statistics

Blood type AB is found in only 3% of the population†. If 240 people are chosen at random, find the probability of the following. (Round your answers to four decimal places.) (a) 5 or more will have this blood type (b)between 5 an 10 will have this blood

12. ## physics

two forces F1 and F2 acting at a point have a resultant F. If F2 is doubled, F is also doubled. If F2 is reversed in direction, then also F is doubled, then options A. F1:F=1:1 B. F2:F=root3:root2 C. F1:F2=root2:root3 D. F1:F2:F=root2:root3:root2

13. ## Soil Chemistry

Gasoline producers add oxygenated chemical compounds to reduce the amount of carbon monoxide produced when the fuel is burned. Methyl t-butyl ether (MTBE) is one such oxygenate that is no longer used because of health and environmental concerns. what are

14. ## Chemistry

Commercial hydrobromic acid can be purchased as 40.0 % by mass 9f HBr. The density of this acid is 1.38 g m/L. Calculate the molality of this commercial acid..please show me the solution..thanks

15. ## Algebra

Find the polynomial form of the equation below. y=-1.0(x-4.0)^2+2.0

16. ## Literature-Help me Ms. Sue

13. Regarding the difference between fiction and nonfiction which statement is most accurate? A. Writers of nonfiction have no need to express passionate opinion B. Nonfiction writers are free to embellish the facts. C. Nonfiction writers are more often

17. ## Set Theory :Complements with Ellipses

Let U= {1,2,3, . . .}, A= {1, 2, 3, . . . ., 39}. use the roster method to write the set A' Find A' = _____________________________________________ I understand how complements work. Complement A' is everything outside of set A. However, since U goes on

18. ## math

this code has five digit 1,2,3,4,5. the first digit plus the second digit is equal to the third digit the second digit twice times the first digit the second digit is half the fourth digit and the fifth digit is the sum of the first and fourth digits. what

19. ## PHYSICS

a 2.00kg object A is connected with a massless string across a massless, frictionless pulley to a 3.00kg object B. the smaller object rests on an inclined plane which is tilted at an angle of theta=40degrees. what are the acceleration of the system and the

20. ## vocabulary

Most often, these are words that evoke mental pictures as we read or play on other senses. A. Irony B. Puns C. Antithesis D. Imagery Is it C ?

21. ## Mathematics

The minute-hand of a clock is 6cm long. How far does the end of the hand travel in 35m?

22. ## physics

An object with mass 110 kg moved in outer space. When it was at location < 11, -35, -7 > its speed was 17.5 m/s. A single constant force < 230, 420, -230 > N acted on the object while the object moved to location < 16, -41, -13 > m. What is the speed of

23. ## Chemistry

Concentrated hydrochloric acid has a purity of 36.0% by mass. The density of the concentrated of the acid is 1.19 g/mL.Determine the molar concentration of this acid..please show me the solution...

24. ## Chemistry

A solution of ethanol has a concentration of 4.613 mol/L at 20ºC. The density of the solution is 0.9667 g m/L.. Calculate the molality of the solution..please show the solution..thanks a lot

25. ## Algebra

Solve equation. -6e^8n+8 -3=-23

26. ## Literature-Help me Ms. Sue

At first, Sojourner Truth was happy to have many children because? A. they were the only things that gave her joy B. it provided more slaves for her owner C. it took her mind off her problems D. they could help her with her daily tasks I think it's B.

27. ## Literatue- Ms. Sue help me plz

As in Hawthorne's Young Goodman Brown the autobiographical story of Sojourner Truth is written on all of these levels except? (A). interior narrative B. exterior commentary C. social commentary D. dramatic narrative

28. ## physics

rex stands 3m away from a concave mirror.his hieght is 1.70m. If the image formed on the screen is 12cm from the mirror,what is the size of the image

29. ## English

please help me reword this sentence I have it like this. Only if people would start to exercise on a daily basis, the benefits people would have, would be unbelievable they would be healthy,less stress, improve their image, self-esteem, and have more

30. ## SCIENCE

a force of 70N keeps a 70-kg pilot in circular motion if he is flying a small plane at 35 m/s in circular path, what is the radius of the circular path?

31. ## English

Thank you so much MS SUE Also another sentence I'm having issues People would start to go out more to clubs and social gatherings, even asking a special person out to dinner. People probably would not go to any of these places, if they did not feel

32. ## english

What do the sign say that is on display at the carnival? The Most Beautiful Woman in the World Siamese Twins A Two-Headed Horse None of the above

33. ## Math

X and y are positive integers and x+y=11. What is the largest possible value of 1/x -1/y?

34. ## Math

The probability that Roberto wins is 1/3 the probability that Roberto loses. What is the probability that Roberto loses?

35. ## Math

Find (a) the exact interest and (b) the ordinary interest. Round answers to the nearest cent Find the discount (ordinary interest) and proceeds on a promissory note for \$2,000 made by Barbara Jones on February 10, 2007, and payable to First State Bank on

36. ## Math

Find (a) the exact interest and (b) the ordinary interest. Round answers to the nearest cent Malinda Levi borrows \$12,000 on a 9.5% , 90 day note. On the 30th day, Malinda pays \$4,000 on the note. If ordinary interest is applied, what is Malinda’s

37. ## Physics

Four rocks are thrown horizontally from a building, with varying speeds and from various floors. Rock 1 lands a distance r away from the building, rock 2 lands 2r away from the building, rock 3 lands at distance 3r, and rock 4 at 4r. Ignore air resistance.

38. ## English Essay

You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and tells you to bring with you a polished piece of writing for them to evaluate your writing skills. The paragraph must describe one

39. ## physics

An elevator is travelling upwards at 15m/s2 and the hoisting cable is cut when it is 40 m from the ground. Determine the maximum height reached by the elevator & the velocity just before it hits the ground.

40. ## English

1. I have seen her once. 2. I once have seen her. 3. I have once seen her. ------------------ Which one is grammatical and commonly used?

41. ## English

Posted by rfvv on Monday, March 24, 2014 at 6:36am. 1. I haven't read Harry Potter yet. 2. I don't read Harry Potter yet. 3. I didn't read Harry Potter yet. ------------------------------ Which expressions are not grammatical? Is #2 or #3 grammatical?

42. ## English

1. He entered the building. 2. He went in the building. 3. He went into the building. ------- Are they all the same in meaning? Which one is frequently used? ============================= 4. Put the milk bottle in the fridge. 5. Put the milk bottle into

43. ## English

1. What a pity! 2. What a shame! 3. What a suck! 4. That sucks! ------------- Are they all grammatical? Are they the same? Which ones are commonly used? What is the meaning of 'suck' in the sentences?

44. ## PHYSICS

T.E of e in excited state is E . WHAT IS KINETIC ENERGY with proper sign

45. ## chemistry

give me twenty examples of suspension and colloidal solution

46. ## biology

give an article of 100 words on cardiac attack

47. ## math

X+3y+9=0 and x+3y-7=0 are parallel or not ,how to work out,can anyone show me please

48. ## physics

Two forces of magnitude 20 newtons and 25 newtons respectively act at a point. If the resultant force is 39 newtons, the angle between the forces has to be nearly?

49. ## algebra

A lab assistant wants to make 5 liters of 27.2% acid solution. If solutions of 30% and 16% are in stock, how many liters of each must be mixed to prepare the solution?

50. ## maths

The values of 'a' for which the sum of yhe squares of the roots of the eqn x²-(a-2)x-a-1=0 assume the least value is-

51. ## Chemistry step by step thank a lot

10L of hard water required 5.6g of line for removing hardness. hence temporary hardness in ppm of cac03. The answer is 1000 Pls solve it for me step by step Thank a lot all tutors for your help.

52. ## maths

The quadratic eqn x²-6x+a=0 and x²-cx+6=0 have one root in common. The other roots of the first and second eqn are integers in the ratio 4:3. Then the common roots is-

53. ## maths

If the roots of the quadratic eqn x²+px+q=0 are tan 30° and tan 15° respectively, then the value of 2+q-p is-

54. ## maths

ABCD is a square. O is the point of intersection of its diagnols. If OA=5x+9, OD=5+3x. then find the value of x..

55. ## math

find the straight line that passes through point (2,4) and is perpendicular to line 2x + 12y - 6 = 0

56. ## chemistry

Describe how the structure of polyethylene impacts its function in terms of chemical bonding and intermolecular forces

57. ## PHI 208

Harm may be understood as:

58. ## PHYSICS

a locomotive pulls 10 identical freight cars with an acceleration of 2m/s^2. How does the forced between the third and fourth cars compare to the force between the seventh and eighth cars?

59. ## maths

If 2+i√3 is a root of the eqn x²+px+q=0, where p,q belongs to R, then find the ordered pair (p,q)

60. ## PHYSICS

a locomotive pulls 10 identical freight cars. the force between the locomotive and the first car is 100,000 Newtons, and the acceleration of the train is 2m/s^2. there is no friction to consider.what is the force between the ninth and tenth cars?

61. ## maths

If the roots of the eqn 1/(x+p) + 1/(x+p) = 1/r are equal in magnitude but opposite in sign, show that p+r=2r and that the product of the roots is equal to (-1/2) (p²+q²)

62. ## maths

If a,b and c € R, then prove that the roots of the eqn 1/(x-a) + 1/(x-b) + 1/(x-c) =0 are always real and cannot have roots if a=b=c.

63. ## math

Show that if roots of eqn (a²-bc) x²+2(b²-ac)x +c²-ab=0 are equal then either b=0 or a³+b³+c³=3abc.

64. ## maths

For what values of k the expression kx²+(k+1)x+2 will be a perfect square of a linear polynomial.

65. ## math

If the roots of the eqn x²-2cx+ab=0 are real and unequal, then prove that the roots of x²-2(a+b)x+a²+b²+2c²=0 will be imaginary.

66. ## economics

are they any welfare or subsidy payment that should be reviewed or added

67. ## math

Consider the eqn x²+2x-n =0 where n€N and n€[5,100]. Total no. Of different values of 'n' so that the given eqn has integral roots is-

68. ## math

Let a,b and c be real numbers such that 4a+2b+c =0 and ab>0. Then the eqn ax²+bx²+cx²=0 has-

69. ## math

If a,b,c are integers and b²=4(ac+5d²), d €N then roots of the eqn ax²+bx+c=0 are

70. ## Soil Chemistry

Global temperatures are increasing and this increase is probably due to increasing concentrations of greenhouse gases present in A) the troposphere which absorbs outgoing IR radiation B) the stratosphere which absorbs outgoing IR radiation C) the