Ted

Popular questions and responses by Ted

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

2. Math

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

3. 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.

4. 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

5. 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

6. 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

7. finance

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

8. math

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

9. 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.

10. physics

Temperatures are often measured with electrical resistance thermometers. Suppose that the resistance of such a resistance thermometer is 177Ω when its temperature is 28.7 °C. The wire is then immersed in a liquid, and the resistance drops to 116Ω. The

11. 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

12. 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

13. 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

14. 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

15. 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

16. Trig

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

17. 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

18. math

thirty animals are to be used in a medical experiment on diet deficiency: 3 male and 7 female rhesus monkeys, 6 male and 8 female dogs. If one animal is selected at random, what is the probability of getting a chimpanzee or a dog?

19. 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

20. 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

21. Math

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

22. Chemistry

Using oxidation numbers, explain why this reaction is not a redox reaction? CaCo3 --------> CaO + Co2 Please help.

23. english-literature(honey, baby, sweetheart

what kind of tragic achetype or hero is Ruby McQueen in the novel ''honey, baby, sweetheart''. PLS I REALLY NEED HELP. THIS IS DUE TOMORROW

24. 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

25. math

75,000, how much tax must that citizen pay to each of the two countries? 21. A giant pumpkin is 90% water and weighs 250 pounds. The pumpkin is placed on display as the largest pumpkin of the year at the LA county fair. During the week-long fair, the

26. 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?

27. Physics

A person is standing at the top of a 58.0m tall hill. He stumbles and falls.As he rolls down the hill, magically friction has no effect on him! When he is still 25.0m above the base of the hill determine how fast he is moving.

28. 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

29. 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

30. 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?

31. 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?

32. math

how do you create a function that has a graph with the given features: a. A vertical asymptote at x=2; a horizontal asymptote at y=0; no x-intercept; y-intercept is 3

33. 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

34. math

EXPLAIN THE IMPORTANCE OF THE CENTROID IN DESIGN AND MANUFACTURING

35. 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

36. math

how do you calculate the lengths of the midsegment

37. math

1. a square based prism box has a capacity of 8L. wHAT DIMENSIONS PRODUCE THE MINIMUM SURFACE AREA? 2. what are the dimensions of the square based prism box with maximum volume that can be made using 6oocm^2 of cardboard. after getting the answer, pls i

38. Trig

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

39. 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

40. 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

41. Trignometry

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

42. Maths

A rectangular fish tank has a base area of 0.3 m squared and height 30 cm and is filled with 80 L of water. Ten large fish with volume 50 cm cubed each are placed into the tank. By how much does the water rise?

43. 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

44. 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.)

45. 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

46. pysics

A 33.3- kg block (m1) is on a horizontal surface, connected to a 5.1-kg block (m2) by a massless string. The pulley is massless and frictionless. A force of 220.1 N acts on m1 at an angle of 32.p deg. The coefficient of kinetic friction between m1 and the

47. 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?

48. Religion

What's a good life in today's society? Some people think a good life is having money, family and friends. I do not know how else to describe what a good life is in TODAY'S SOCIETY

49. English

I have difficulty restating my thesis in a different way in my conclusion. my thesis: Ruby's sense of responsibility becomes her weaknesses as it makes her blind to the fact that her decision to stay with a man that maltreats her is wrong. For this, she

50. Physics

A stone is thrown straight up at 8.99 m/s. What is the stone's acceleration in m/s/s at the top of its rise?

51. Physics

A stone is thrown straight up. To reach a height of 6.49 m above its release point, what must its initial speed be in m/s?

52. Physics

A soccer player kicks the ball toward a goal that is 29.2 m in front of him. The ball leaves his foot at a speed of 19.1 m/s and an angle of 33.4° above the ground. Find the speed of the ball when the goalie catches it in front of the net. (Note: The

53. 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

55. science -chemistry

Mr. Currie pours himself some coffee into a paper cup before making his way to the amusement park. The coffee temperature is 350C when the cup is placed on the kitchen counter with room temperature of 20o C. Mr. Currie was called to the phone for last

56. math

How do you fully factor 8X^3-27. pls help.

57. biology

why do breathing rates increase in crowded rooms. pls help

58. physics.pls help

Participants in a road race take water from a refreshment station and throw their empty cups away farther down the course. If a runner has a forward speed of 6.20m/s, how far in advance of a garbage pail should he realease his water cup if the vertical

59. sociology-pls help

similarities between milgram's experiment and stanford experiment pls help

60. 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?

61. sciance

please explain why biomass and energy decreases fron one trophic level to the next

62. careers

what is the difference between legal discrmination and institutionalized discrimination?

63. physics

A ball is thrown upward from the ground with an initial speed of 26.7 m/s; at the same instant, a ball is dropped from a building 13.1 m high. After how long will the balls be at the same height?

64. 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

65. 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?

66. math

What value oc C makes the expression a perfect square? A. x^2+bx+c B. x^2+0.16x+c

67. math

Write the relation for a parabola that satisfies each condition: The graph of y=x^2 is stretched vertically by a factor of 3/2, then translated left 4 units.

68. Physics

A 60kg parachutist has a PE=70,000J. What is his height?

69. 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

70. math

EXPLAIN THE IMPORTANCE OF THE CENTROID IN DESIGN AND MANUFACTURING

71. math

A leach free area for dogs is to be created in a field behind a recreation centre. what length of fencing will be required, if the plans show an irregular pentagonal area with vertices at (2,0), (1,6), (8,9), (10,7)and (6,0)?( one unit represents 10m)

72. 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

73. 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

74. math

CALCULATE THE UNIT COST OF \$1.85 FOR 4 KG

75. parenting

what does this quote mean ''making the decision to have a child is momentous. it is to decide forever to have your heart go walking around outside your body - elizabeth stone. pls i need the answer latest by tonight

76. english

In romeo and juliet what is the theme in the first prologue of the play/ story or book

77. math

how do you calculate the surface area of a cone with a slant height of 13cm and a height of 12cm.?

78. geography

why are both metallic minerals and fossil fuels found in canada's arctic ecozones.

79. math

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

80. math

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

81. science

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

82. calculus, again

Hey can you help me find the exact value of x in the equation 5^2x=3^(x+1)? Thanks a lot, this website is cool and helpful!

83. AP Calculus BC Resources

Hi there, I was hoping if any one was familiar with any sites that have printable integration/differentiation packets? I'm hoping to use them for everyday practice. I skipped Calculus AB and need a little help. I love packets so if there are any out there

84. 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°

85. 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?

86. English

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

87. 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

88. 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

89. Marh

A solid sphere of diameter 18cm is placed in an empty vertical cylindrical tank of diameter 24cm enough water is poured into the tank to cover the sphere if the sphere is then removed how far does the water fall

90. Maths

A bag contains 2 green balls and 1 red ball Two balls are randomly selected without replacement. What is the probability of selecting one of each colour

91. Maths

Find the rule for the volume of a cylinder in terms of r only if the height is equal to its circumference. The surface area of a cylinder is 2pi square units. Find a rule for h in terms of r.

92. Maths

A page of text is analysed, and of the 150 words on it, 30 are nouns, 10 of which start with a vowel. Of the words that are not nouns, 85 of them do not start with vowels. a. If the word on the page is chosen at random, what is the probability that it is a

93. Maths

Sophie has randomly chosen a card from a standard deck and placed it in her pocket. She is going to randomly choose a second card from the deck. a.What is the probability that she chooses the same card as the one in her pocket b. what is the probability

94. Math

Solve the system of equations using substitution, elimination by addition, or augmented matrix methods (your choice). Show work. 3𝑥 − 2𝑦 = 5 5𝑥 + 3𝑦 = 21

95. Math

In a European country, 20% of the families have three children, 30% have two children, 40% have one child, and 10% have no children. On average, how many children are there to a family

96. Math

Find the probability of the independent event. If P (E) = 0.9, P (F ∣ E) = 0.36, and E and F are independent, find P (F)

97. finance

An engineer in 1950 was earning \$5,300 a year. Today she earns \$53,000 a year. However, on average, goods today cost 8.1 times what they did in 1950. What is her real income today in terms of constant 1950 dollars?

98. algebra

mary and jen peel 1lb of apple.if together they peeled 500 lbs of apple in 8 hours,then how long would it take each one working together? explain

99. Math

in four games of basketball, michael scored 14, 9, 10 and 11 points. After one more game his mean was 12 points per game. how many points did he score in the fifth game?