# ted

Popular questions and responses by ted
1. ## Math

If Julie needs 3 1/4 cups of oatmeal, how many 1/4 cups oatmeal will shw use?

2. ## physic

you are designing a diving bell to withstand the pressure of sea water at a depth of 250m. a)what is the quage pressure at the depth(you can ignor the small changes in the density of the water with depth.) b)at the 250m depth, what is the net force due to

What is the arc length if the central angle is 225 degrees and the radius of a circle is 3 cm? pls help. i don"t get it

4. ## Calculus and vectors

Vector AB is a vector whose tail is at (-4,2) and whose head is at (-1,3). Calculate the magnitude of vector AB Determine the coordinates of point D on vector CD, if C (-6,0) and vector CD= vector AB. Please I need some help. Is there a formula to solve

5. ## physics

Starting from the constant-acceleration kinematic equations, write a formula that gives xf in terms of t, xi, vf, and a.

6. ## maths

1. A cone justs fits inside a cylinder with volume 300cm^2. what is the volume of the cone?Give reasons for your answers.

7. ## Physics

In Fig. 6-21, a slide-loving pig slides down a certain 37° slide in twice the time it would take to slide down a frictionless 37° slide. What is the coefficient of kinetic friction between the pig and the slide?

8. ## math

Adam has built a garden shed in the shape described. a square based pyramid with the height of 3.5m on top of a cube with base 4m by 4m and height 2m. calculate the volume of the shed, to the nearest cubic metre. thanks.

9. ## Physics

The force required to stretch a Hooke’s-law spring varies from 0 N to 63.5 N as we stretch the spring by moving one end 5.31 cm from its unstressed position. Find the force constant of the spring. Answer in units of N/m

10. ## drama

can you help me answer the following question inthe play ''the sandbox by edward albee of what is the beach a symbol in the play? symbollically, what does daddy mean when he says ''i'm cold'' state two very noticeable things about the young man's

11. ## Finance

Gluon Inc. is considering the purchase of a new high pressure glueball. It can purchase the glueball for \$110,000 and sell its old low-pressure glueball, which is fully depreciated, for \$20,000. The new equipment has a 10-year useful life and will save

12. ## math

Suppose that the population of a town is described by P=0.16t^2+7.2t+100, where P is the population in thousands and t is the time in years, ( with t=o representing the year 2000). A. what will the population be in 2010? B. what was the population in 1995?

13. ## English

Which word has a meaning similar to prodigy? A. Statue B. Babysiter C. Athlete***** D. Wonder

14. ## careers- school ties discussion questions

What was Dillon's fundamental problem in the move ''School Ties''

15. ## Physics

A stopper tied to the end of a string is swung in a horizontal circle. If a mass of the stopper is 13.0 g, and the string is 93.0 cm, and the stopper revolves at a constant speed 10 times in 11.8 secs, what is the tension on the string? I tried solving

16. ## math

A group of students have volunteered for the student council car wash. Janet can wash a car in m minutes. Rodrigs can wash a car in m-5 minutes, while Nick needs the same amount of time as Janet.If they all work together, they can wash a car in about 3.23

17. ## math

Create a quadratic polynomial function f(x) and a linear binomial in the form (x − a). Part 1. Show all work using long division to divide your polynomial by the binomial. Part 2. Show all work to evaluate f(a) using the function you created. Part 3. Use

18. ## Physics

A basketball is thrown from the ground into the air at an angle of 30 degrees to the horizontal. If this object reaches a maximum height of 5.75m, at what velocity was it thrown? How am i suppose to do this question if no velocity is given? I need help. I

19. ## careers- school ties discussion questions

In the movie, school ties,what was dillon's pettern of prejudice/discrimination.

20. ## Math

If you are given odds of 3 to 4 in favor of winning a bet, what is the probability of winning the bet?

21. ## Finance

Stormy Weather has no attractive investment opportunities. Its return on equity equals the discount rate, which is 10%. Its expected earnings this year are \$2 per share. Find the stock price, P/E ratio, and growth rate of dividends for plowback ratios of

22. ## physics.pls help

How much time can you save travelling diagonally instead of running 450meters south and then 650meters west. if your running speed is 5.0m/s. pls help

23. ## physics

Because a concave lens cannot form a real image of a real object, it is difficult to measure its focal length precisely. One method uses a second, convex, lens to produce a virtual object for the concave lens. Under the proper conditions, the concave lens

24. ## Algebra

The graph below shows the expected monthly temperature of a certain city from April to August; the readings that correspond to the vertical lines are taken on the first day of each month. (For example, the expected temperature on April 1 is 70 degrees.)

25. ## physics

A 1.80-kg block slides down a frictionless ramp.The top of the ramp is h1 = 1.21 m above the ground; the bottom of the ramp is h2 = 0.256 m above the ground. The block leaves the ramp moving horizontally, and lands a horizontal distance \$d\$ away. Calculate

26. ## Physics

A pendulum bob is released from some initial height such that the speed of the bob at the bottom of the swing is 1.5 m/s. The acceleration of gravity is 9.81 m/s 2 . What is the initial height of the bob? Answer in units of m

27. ## Trig

Solve the equation 3sin(2x)+3sinx=0 on the interval 0 ≤ pi

28. ## English

what is the tone in the poem "Home for the Aged" by Elizabeth Brewster? NEED HELP

29. ## Physics

A monochromatic laser beam, with a wavelength of 532 nm passes through a diffraction grating. If the second order diffraction maximum occurs at an angle of 35.0 degrees to the straight through position, calculate the separation of adjacent slits on the

30. ## Chemistry

A denaturation/renaturation (similar to the one carried out by Anfinsen with ribonuclease) experiment was carried out using insulin. However, in contrast to Anfinsen's results, only less than 10% of the activity of insulin was recovered when urea and BME

31. ## Physics

A cyclist starts from rest and pedals such that the wheels of his bike have a constant angular acceleration. After 20.0 s, the wheels have made 219 rev. What is the angular acceleration of the wheels? What is the angular velocity of the wheels after 20.0

32. ## physics

• If you use a cart with half the mass, you reach _______final speed. • If you use half the force, you reach ______ final speed. • If you push twice as long, you cover _______ distance during pushing. • If you use a cart with half the mass, you

33. ## Physics

A loaded penguin sled weighing 66 N rests on a plane inclined at angle θ = 24° to the horizontal (Fig. 6-23). Between the sled and the plane, the coefficient of static friction is 0.22, and the coefficient of kinetic friction is 0.13. (a) What is the

34. ## math

during the summer months, sarah makes and sells necklaces on the beach. last summer she sold the nacklaces for \$10 each. Her sales averaged 20 per day. Considering a price increase, she took a small survey and found that for every dollar increase, she

35. ## finance

How much will \$100 grow to if invested at a continuously compounded interest rate of 10.75% for 8 years?

36. ## biology

why do breathing rates increase in crowded rooms. pls help

37. ## math

Helga owns a campground, and she has installed a rectangular swimming pool measuring 10m by 20m. She wants to put a wooden deck of uniform width around the pool. A. Helga has budgeted \$1920 to spend on the deck and knows that construction costs are

38. ## Trignometry

Determine the total number of solutions for the given equation: tan(2θ-pi/2)=1 on the interval [0, 2pi]

39. ## math

The city bus company usually transports 12000 riders per day at a ticket price of \$1. The company wants to raise the tickets price and knows that for every 10 cents increase, the number of riders decreases by 400. A. What price for a ticket will maximize

40. ## religion

in terms of religion, how are relationships life giving? pls i really need a perfect answer for this

41. ## Trig

Use fundamental identities and or the complementary angle theorem to find the value of the expression: tan 55°-cos 35°/sin 35° a.) sqrt2/2 b.) sqrt3 c.) sqrt3/2 d.) sqrt2 e.) 0 f.) 1

42. ## physics

A rocket cruising past earth at 0.800c shoots a bullet out the back door,opposite the rocket's motion,at 0.900c relative to the rocket. What is the bullet's speed relative to the earth?

43. ## math

Boris throws a ball vertically upward from the top of a cliff. The height of the hall above the base of the cliff is approximated by the model h=65+10t-5t^2, where h is the height in metres and t is the time in seconds. a. How high is the cliff? b. How

44. ## physics

Light is incident from air onto a flat transparent slab of material, at an angle of 62.2° with the normal. The reflected ray and the refracted ray are perpendicular to each other. What is the index of refraction of the transparent substance?

45. ## Physics

A worker drives a 0.460 kg spike into a rail tie with a 2.16 kg sledgehammer. The hammer hits the spike with a speed of 64.5 m/s. If one third of the hammer’s kinetic en- ergy is converted to the internal energy of the hammer and spike, how much does the

46. ## physics

Estimate the pressure exerted on the floor by a 75 kg store clerk standing momentarily on a single heel of their shoe, where the heel area = 6 cm square?

47. ## parenting

making the decision to have a child is momentous. it is to decide forever to have your heart go walking outside your body. pls i was asked to write a one page reflection, but i don't know what to write or how to start. pls help me

48. ## Trig

Which of the following are polar coordinates of the point whose rectangular coordinates are (-2, -2sqrt3)? a.) (4, pi/3) b.) (2sqrt3, 4pi/3) c.) (4, 7pi/6) d.) (4, 4pi/3) e.) none of these

49. ## physics.pls help

An ice hut used for winter fishing is at rest on a level patch of snow. The mass of the hut is 80kg. A wind exerts a horizontal force of 205N on the hut, and causes it to accelerate. While in motion, the magnitude of the force of friction acting on the hut

50. ## finance

A General Power bond with a face value of \$1,000 carries a coupon rate of 9.0%, has 9 years until maturity, and sells at a yield to maturity of 8.0%. (Assume annual interest payments.)

51. ## Physics

An ore car of mass 37000 kg starts from rest and rolls downhill on tracks from a mine. At the end of the tracks, 9.9 m lower vertically, is a horizontally situated spring with constant 3.9 × 10 5 N/m. The acceleration of gravity is 9.8 m/s 2 . Ignore

52. ## CHEMISTRY

At what temp do hydrogen molecules, H2, have the same rms speed as nitrogen molecules, N2, at 455 C? At what temperature do hydrogen molecules have the same average kinetic energy?

53. ## Physics

A student, crazed by final exams, uses a force of magnitude 86 N and angle θ = 61° to push a 5.2 kg block across the ceiling of his room, as in Figure 6-52. If the coefficient of kinetic friction between the block and the ceiling is 0.34, what is the

54. ## Math- Probability

A committee of five people is to be formed from six lawyers and seven teachers. Find the probability that none are lawyers.

55. ## math

A pair of skydivers jump out airplane 5.5km above the ground. The equation H=5500-5t^2 is an appropriate model for the divers' altitude in metres at tseconds after jumping out of the plane. A. After 10secs how far have the divers fallen? B. They open their

56. ## chemistry

A 33.4 g sample of a nonelectrolyte was dissolved is 680. g of water. The solution's freezing point was -2.89°C. What is the molar mass of the compound?

57. ## math

Consider a parabola P that is congruent to y=x^2, opens upward,and has its vertex at (2,-4). Now find the equation of a new parabola that results if P is: A. stretched vertically by a factor of 5. B. compressed by a factor of 2. C. translated 2 units to

58. ## Trig

Which of the following polar coordinates describes the same point as the point (5, -pi/6) given in polar coordinates? a.) (5, pi/6) b.) (-5, -pi/6) c.) (5, 5pi/6) d.) (-5, 5pi/6) e.) none of these

59. ## math

The city bus company usually transports 12000 riders per day at a ticket price of \$1. The company wants to raise the tickets price and knows that for every 10 cents increase, the number of riders decreases by 400. A. What price for a ticket will maximize

60. ## math

susan has \$450. she uses 30% of her money to but a dress and 20% of the remainder to buy a pair of shoes. how much money does she have left? i got \$225.00 left. am i right

61. ## math

A professional stunt performer at a theme park dives off a tower 21metres high into the water. His height above the ground at time tseconds is given by the equation h=-4.9t^2+21 a. How long does it take to reach the halfway mark?

62. ## math

A triangle has vertices P(7,7), Q(-3,-5), and R(5,-3). a. calculate the lengths of the midsegmaents b. calculate the lengths of the three side of triangle PQR. c. compare your answers in a. and b. what do you notice

63. ## Trig

Convert the following equation from an equation using polar coordinates to an equation using rectangular coordinates: 6sinθ=r-5cosθ a.) 6y=-5x b.) x^2-6x+y^2-5y=0 c.) x^2-5x+y^2-6y=0 d.) x^2+6x+y^2+5y=0 e.) x^2+5x+y^2+6y=0 f.) 5y=-6x

64. ## math

Suppose that the population of a town is described by P=0.16t^2=7.2t=100, where P is the population in thousands and t is the time in years, ( with t=o representing the year 2000). A. what will the population be in 2010? B. what was the population in 1995?

65. ## chem

If it takes 84.2 min for the concentration of a reactant to drop to 20.0% of its initial value in a first-order reaction, what is the rate constant for the reaction in the units min-1?

66. ## Physics

Calculate the time it takes for a gamma ray to travel from the Sun to the Earth Distance (mean) Earth to Sun=1.5 e11 m

67. ## Chemistry

At what temp do hydrogen molecules, H2, have the same rms speed as nitrogen molecules, N2, at 455 C? At what temperature do hydrogen molecules have the same average kinetic energy?

68. ## Physics

The amount of internal energy needed to raise the temperature of 0.26 kg of water by 0.3C is 326.5 J. How fast must a 0.26 kg baseball travel in order for its kinetic energy to equal this internal energy? Answer in units of m/s

69. ## Physics

A 64.7 kg astronaut is on a space walk away from the shuttle when her tether line breaks. She is able to throw her 14.1 kg oxygen tank away from the shuttle with a speed of 7.45m/s to propel herself back to the shuttle. Assuming that she starts from rest

70. ## english

I was given an assignment to write a one paragraph essay. I need you to pls help me with my essay on "the sniper" by liam o'flaherty. you can tell me where i went wrong and anyother thing. This is my essay so far: War knows no boundaries(age, sex, location

71. ## math

points P(4,12), Q(9,14), and R(13,4)are the three vertices of a rectangle. a. find the coordinates of the fourth vertex, S. b. write a short description of how you found the coordinates of S. c. find the lengths of the diagonals of rectangle PQRS. COMMENT

72. ## physics.pls help

The volume of a cylinder is defined by the formula V=pie R squared h. If initially have a cylinder with a volume of 10m cubed. Find the volume of the cylinder if the height doubles and if the height is cut in half. pls i really need help.

73. ## Physics

A 110 g hockey puck sent sliding over ice is stopped in 14.9 m by the frictional force on it from the ice. (a) If its initial speed is 7.8 m/s, what is the magnitude of the frictional force? (b) What is the coefficient of friction between the puck and the

74. ## math

A builder needs to connect a partially built house to a temporary power supply. On the plan, the coordinates of the house are (50,114) and the power supply is at (147,82). what is the least amount of cable needed? why is it likely that the builder will use

75. ## Trig

Which of the following is not a fifth root of -1? a.) cos 36°+ i sin 36° b.) cos 252°+ i sin 252° c.) cos 108°+ i sin 108° d.) cos 180°+ i sin 180° e.) cos 244°+ i sin 244° f.) cos 324°+ i sin 324°

76. ## physics

You exert a larger force on the cart than the cart exerts on you. T/F When you stop pushing, the cart will continue moving at the same speed. T/F While the cart is pushed, it has a constant acceleration. T/F

77. ## Physics

How much work is done pushing a wheel barrow full of cement 5.3m forward if a force of 500N is applied 20 degrees from the vertical?

78. ## chemistry

Do the relative proportions of elements ina agiven compound vary from sample? pls help

79. ## math

A coordinate grid is used on the plan of a new housing development. fibre optic cable is being laid with a mico-tunnelling machine. the cable will link points with coordinates A(-18,12), B(-8,1), C(3,4), and D(15,7), in a run beginning at D. if one unit on

80. ## Trig

cos2x(2cosx+1)=0 Solve for x.

81. ## Physics

A)A very narrow beam of white light is incident at 42.20° onto the top surface of a rectangular block of flint glass 12.6 cm thick. The indices of refraction of the glass for red and violet light are 1.647 and 1.672, respectively. Calculate the dispersion

82. ## physics.pls help

Why is it important to asaume that a rope under tension is taut and does not stretch. pls help

83. ## math

The cosat C, in dollars, of operating a concrete-cutting machine is modelled by C=2.2n^2-66n+655, where n is the number of minutes the machine is run. How long must trhe machine run for the operating cost to be at a minimum? What is the4 minimum cost?

84. ## Chemistry

If you add acid or base to water how will the pH change.

85. ## math

A radius of a circle has end points at O(-1,3) and R(2,2). find two possible end points for the diameter that contains this radius. describe any assumptions you make.

86. ## Physics

A) On a calm, bright day, you're scuba diving in a deep lake (n = 1.33), 6.00 m away from your sailboat in the horizontal direction. When you are 2.20 m below the surface, the top of the sailboat mast appears to you to be in a direction 36.0° from

87. ## Physics

A basketball is thrown from the ground into the air at an angle of 30 degrees to the horizontal. If this object reaches a maximum height of 5.75m, at what velocity was it thrown? How am i suppose to do this question if no velocity is given? I need help. I

88. ## physics

A man is driving his car ata velocity of 100km/h on a straight road. H e sees a traffic jam at a distance and slows down to 12.5m/s in 3.0s. What is the average acceleration of the car? pls help. I know that the formula for average acceleration is V2-V1

89. ## math

The sum of the squares of three consecutive integers is 194. what are the integers?

90. ## English

IN THE BOOK OF SHAKESPEARE NAMED ROMEO AND JULIET. in act3 scene 1, which character seem to want peace and which one seem to want to fight most? What does mercutio mean when he says,''I have it, and soundly, too.Your houses''(scene1, line 104)? what

91. ## careers- school ties discussion questions

from the movie school ties, what david green and dillion's pattern of prejudice/discrimination

92. ## math

triangle ABC has vertices A(3,4), B(4,-3) and C(-4,-1). a. draw a sketch of the triangle b. draw the altitude from vertex A c. find the slope of side BC which is =-1/4 d. find the slope of the altitude from A which is 4 e. find the equation of the line

93. ## accounting

Assume Venture Healthcare sold bonds that have a ten-year maturity, a 12 percent coupon rate with annual payments, and a \$1,000 par value. a. Suppose that two years after the bonds were issued, the required interest rate fell to 7 percent. What would be

94. ## calculus

I am confused on how to write this function as an exponential function having a base 10: P(t)= 50e^(0.5t). The answer in my textbook is: P(t) =50(10)^(t/4.6)

95. ## science

1. how does a region's climate determine plant and animal life there? 2. how does climate affect our life style?

96. ## Statistics

To test H0:  = 80 versus H1:  < 80. a simple random sample of size n = 22 is obtained from a population that is known to be normally distributed. a) If ¯x = 76.9 and s = 8.5, compute the test statistic.

97. ## Physics

What is the final equilibrium temperature when 7 g of milk at 5C is added to 117 g of coffee at 68C? Assume the specific heats of milk and coffee are the same as that of water, and neglect the specific heat of the container. Answer in units of C

98. ## math

one endpoint of a line segment has coordinates(-3,-1). The midpoint of the line segmaent is at (1,1), what is the location of the other end point?

99. ## math

A cone just fits inside a cylinder with volume 300cm^3. What is the volume of the cone?