# betty

Popular questions and responses by betty
1. ## physics

A stone tied to a string is made to revolve in a horizontal circle of radius 4m with an angular speed of 2 radians per second .with what tangential velocity will the stone move off the circle if the string cuts?

2. ## Statistics- HELP!

2. The Rathburn Manufacturing Company makes electric wiring, which it sells to contractors in the construction industry. Approximately 900 electric contractors purchase wire from Rathburn annually. Rathburn's director of marketing wants to determine

3. ## English

Explain how The Federalist Papers would have been more or less successful if newspapers had been printed monthly (rather than daily or weekly).

4. ## English II

What is the literal meaning of this poem? Into my heart an air that kills From yon far country blows: What are those blue remembered hills, What spires, what farms are those? That is the land of lost content, I see it shining plain, The happy highways

5. ## physics

In these figures, we see a boy named Billy riding a carnival ride called the Rotor and the free-body diagram for the forces acting on him. What must be the magnitudes of the vectors (f)wall,Billy and (W)Earth,Billy if Billy remains at the same height along

6. ## insurance

of 500 employees a firm 280 have a life insurance policy, 400 have a medical insurance cover and 200 participate in both programmes. what is the probability that a randomly selected employee will be a participant in at least one of the two programs (ii)

7. ## college chemistry

A diving bell is a container open at the bottom. As the bell descends, the water level inside changes so that the pressure inside equals the pressure outside. Initially, the volume of air is 8.58 m3 at 1.020 atm and 20°C. What is the volume at 1.584 atm

8. ## physics 2

A simple pendulum is 8.00 m long. (a) What is the period of small oscillations for this pendulum if it is located in an elevator accelerating upward at 3.00 m/s2? (b) What is the period of small oscillations for this pendulum if it is located in an

9. ## Math

The base of a pyramid-shaped tank is a square with sides of length 12 feet, and the vertex of the pyramid is 10 feet above the base. The tank is filled to a depth of 4 feet, and water is flowing into the tank at the rate of 2 cubic feet per minute. Find

10. ## English

How do I write a paragraph naming three possible agendas and one example of each that you might find in the media?

11. ## Math

Solve for x, 6e^(x) - 4e^(-x)=5

12. ## Pharmacy Math

If you diluted 95ml of a 7% benzocaine lotion to 5% how much could you produce? ___

13. ## physics

A force of magnitude 7.50 N pushes three boxes with masses m1=1.30kg m2=3.20kg, and m3=4.90kg. find the magnitude of the contact force between boxes 1 and 2. find the magnitude of the contact force between boxes 2 and 3.

14. ## health care

you are a manager of a variable hospital department and you just received your monthly budget results that state that your salaries were higher and your supplies were lower than budgeted. Explain what factors you should consider when writing your variance

15. ## English

Subject cannot automatically limit which of these? intended audience intended purpose whether a message is timely whether a message is topical whether a message is effective

a plane intersects a square pyramid perpendicular to its base but not through a vertex.The plane forms a cross section what is the shape of the cross section a)trapezoid b)triangle c)square d)rectangle

27. ## College Algebra

Students in an English class took a final exam. They took equivalent forms of the exam at monthly intervals thereafter. The average score S(t), in percent, after t months was found to be given by . a) What was the average score when they initially took the

28. ## chemistry

The density of sulfuric acid, is 15.28 lb/gal. What is the density of sulfuric acid in grams per milliliter?

29. ## 20th century american History

Why was the Industrial Revolution a major agent of change for the United States and the world?

30. ## English

How do I start out writng a paragraph on a subject, Food Safety? * Subject: food safety * Occasion: aftermath of an outbreak of sickness at fast food restaurants due to tainted meat * Audience: FDA (agency that manages food safety) * Purpose: Persuade

31. ## Precalculus

Let f(x)=1/x and g(x)=x^2 + 5x. a. Find (f*g)(x) b. Find the domain and range of (f*g)(x).

32. ## Precalculus

Inverse of f(x)=(1/4x)+2

33. ## Early Childhood Education

Substance abuse during pregnancy Emotional and behavior disorders Write a two-page double-spaced paper describing the risk factors involved and the possible outcomes for the child who is exposed to this particular type of risk. How might this risk factor

34. ## Antidifferentiation

1. A stone is tossed upward with a velocity of 8m/s from the edge of a cliff 63 m high. How long will it take the stone to hit the ground at the foot of the cliff? Using antidifferentiation method, I got dv=-9.8dt. The I integrated and got

35. ## Math

Find quadratic regressive equation for the following f' points; (x, f'(x)): (-4,74); (-3,39); -2,10; -1,-6; 0,-14; 1,-12; 2,0; 3,22; 4,55 It's something really complicated, and I'm later asked to find the original equation, which is a cubic function. Any

36. ## Math

1. 1. A police cruiser approaching a right-angled intersection from the north, is chasing a speeding car that has turned the corner and is now moving due east. When the cruiser is 0:6 miles north of the intersection and the car is 0:8 miles to the east,

37. ## statistics

A lottery uses 4 urns containing chips 0 to 9. One chip is selected at random from each urn. How many sample points are in the sample space?

38. ## MATH

A camping store put in an order for flashlights and sleeping bags. The number of flashlights ordered was 3 times the number of sleeping bags. The flashlights cost $12.00 each, and the sleeping bags cost$45.00 each. If the total cost for the flashlights

39. ## Venn Diagrams

P(Z)= .40, P(Y)=.30, P(Z ⋃Y)=.58 Find the following: P(Z’ ⋂Z’) P(Z’⋃ Y’) P(Z’⋃ Y) P(Z⋂ Y’)

40. ## Pharmacy Math

75g of active agreement powder is mixed with 300 ml normal saline. What is the final percent strength(w/V)? ____________

41. ## calculus

An oil can is to be made in the form of a right circular cylinder to have a volume of 16 pie inches cubed. Find the dimensions of the can that requires the least amount of material

42. ## chemistry

How do you calculate the number of grams of solute in 0.250 L of 0.175 M \rm KBr?

43. ## English

Give four characteristics of standard English.

44. ## English II

One way to make the overall message of this article more objective would be to. Select all that apply remove the quality statements make more quality statments add alternative opinions remove any inaccurate information none of the above

45. ## chemistry

22.0 ammonium chloride decomposes to form hydrochloric acid, and ammonia. at the conclusion of the reaction, the scientist collects 10.24L of ammounia measured at 52 degrees Celsuis and 105.3 kPa. What was the percent yield of the reaction? Write the

46. ## History

Why the Hewett treaty had a disastrous result on Ethiopia?

47. ## History

two main challenges to policy of emperor tewodros

49. ## early childhood education

Reggio Emilia children are free to choose from a variety of activities prepared by the teacher. These activities often emerge from the children’s interests A.Montessori curriculum B.Learner-directed curriculum C.congitively oriented curriculum d. direct

50. ## Math

a girl walks from a point A to a point B,20Km Away From A In Northeast Direction And WalkS To a point C on the bearing of 125degree,she is 80km away from the starting point,find her bearing from the starting point

51. ## Precalculus

Determine the domain of (f/g)(x) when f(x) = 1/x and g(x) = sqrt(x+5). I have the domains of both functions and I know how to set up (f/g)(x), but I don't know where to go from there. (f/g)(x)= (1/x)/(sqrt(x+5)) domain of f(x) = (-∞,0)-(0,∞) domain of

52. ## Early Childhood Education

I am writing a paper about Emotional and behavior disorders I am not sure the website in my paper. I would be good ones to use my the possible outcomes for the child who is exposed to this particular type of risk. How might this risk factor impact the

53. ## Chemistry

Identify the precipitate(s) of the reaction that occurs when a silver nitrate solution is mixed with a sodium chloride solution. Check all that apply. silver nitrate sodium chloride sodium nitrate silver chloride

a plane intersects a right rectangle prism perpendicular to its base .The plane forms cross section.What is the shape of the cross section? a)parallelogram,that is not a rectangle b)triangle,that is not equilateral c)trapezoid d)rectangle

55. ## Calc

The figure shows the graph of f(x)=xe^x, x greater than or equal to 0. figure: f(x) curve is drawn and under the max. point/ concave down curve there is an inscribed rectangle. with width from a(left) to b(right) and height up to a certain point of f(x).

56. ## math

describe a single translation that would result from moving a figure,2 units left and 1 unit down then 5 units right and six units up

57. ## Math

What is the ninth term of the following geometric sequence? a4=27 a7=64 a9=

58. ## math

if a car passes mile marker 2 in 4 hours and a mile marker 125 in 6 hours, how many miles per hour is the car traveling?

59. ## math

4.5 by 6.12 original drawing want to increase size to 18 by 24. How do I do it?

60. ## Probability

An Adviser has 9 products he wants to tell a client about, but only has time to tell him about 4. How many different ways can he give the details on 4 different products to the customer?

61. ## Statistics

An Adviser has 9 products he wants to tell a client about, but only has time to tell him about 4. How many different ways can he give the details on 4 different products to the customer?

62. ## Trigonometry

What is the period and asymptote in y= tan(2x-pi)

63. ## Physics

The average human has a density of 950 kg/m3 after inhaling and 1018 kg/m3 after exhaling. (a) Without making any swimming movements, what percentage of the human body would be above the surface in the Dead Sea (a lake with a water density of about 1230

99. ## Early Childhood Education

I am having a hard time finding article for this assigment? Find an article on one or more strategies that work with young children to promote sociable and acceptable group behavior with peers