# Questions Asked onNovember 2, 2012

1. ## Math

2. Rename .709 as a percent. a. 709% b. 70.9% * c. 79% d. 7.09% 4. Alice plays basketball. In one game she shoots 21 free throws and makes 81.25% of them. Estimate how many free throws she makes. a. about 16 b. about 2 c. about 20 d. about 14 5. Estimate

2. ## physics

The wheels of a midsize car exert a force of 2100 N backward on the road to accelerate the car in the forward direction. If the force of friction including air resistance is 250 N and the acceleration of the car is 1.80 m/s2, what is the mass of the car

3. ## physic question

Two children are playing a game in which they try to hit a small box on the floor with a marble fired from a spring-loaded gun that is mounted on a table. The target box is horizontal distance D = 2.15 m from the edge of the table, see the figure. Bobby

4. ## calculus

Water is pouring into a conical vessel 15cm deep and having a radius of 3.75cm across the top. If the rate at which the water rises is 2cm/sec, how fast is the water flowing into the conical vessel when the water is 4cm deep?

5. ## Chemistry

The combustion of how many moles of ethane would be required to heat 838 grams of water from 25.0 to 93.0 degrees C? Assume liquid water is formed during the combustion.

6. ## math

Alexa and Emma are looking up at their house from the backyard. From alexa's point of view, the top of the house is at an ang;e of elevation of 40 degree. From Emma's point of view, directly closer to the house, it is 60 degree. The house is 15 metres

7. ## Social Studies

I am having a hard time with economics - we just started in my social studies class. Can I have help with my homework, please? 1. What phrase best defines competition? (1 point) just one main buyer of a good or service just one main seller of a good or

8. ## calculus

Find the minimum amount of tin sheet that can be made into a closed cylinder havin g a volume of 108 cu. Inches in square inches.

9. ## Physics

As part of a physics experiment, you stand on a bathroom scale in an elevator. Though your normal weight is 690 N, the scale at the moment reads 588 N. (a) Is the acceleration of the elevator upward, downward, or zero? (b) Calculate the magnitude of the

10. ## Numerical Analysis

Use Taylor series expansions (zero through fourth order) to predict f (2) for f (x) = ln(x) with a base point at x = 1. Determine the true percentage relative error for each approximation.

11. ## physics

a drunken motorist who is moving at a constant velocity of 90 km/h passes a stationary police patrol car. The patrol car immediately gives chase at a constant acceleration and catches up with the motorist after a distance of 10 km. Calculate the time taken

12. ## math

Suppose there are 21 students in your class. If the teacher draws 2 names at random, what is the probability that you and your best friend will be chosen? 2/21 1/20 1/105 2/10

13. ## Math Help :)

Mrs. Miller sells a house for \$179,000. If she earns a commission of 6%, how much money does she earn? Write a proportion and show your work.

14. ## Physics

A traffic light hangs from a pole as shown. The uniform aluminum pole AB is 7.70m long and has a mass of 11.0kg. The mass of the traffic light is 27.5m. 1. Determine the tension in the horizontal massless cable CD. 2. Determine the vertical and horizontal

15. ## physics

a long jump athlete take off at 25 degree with the horizontal and achieves a jumping distance of 9.12 m. Calculate initial take off speed.

16. ## math

A set of n = 5 pairs of X and Y values has SSX = 4, SSY = 16 and SP = 8. For these data, what is the Pearson correlation?

17. ## math

If you deposit money in a savings account with an interest rate (APR) of 5% and the account compounds quarterly, which is your annual percentage yield (APY)? Convert your answer to a percent and round it to two decimal places.

18. ## Math

A street light is mounted at the top of a 15-ft-tall pole. A man 6 ft tall walks away from the pole with a speed of 7 ft/s along a straight path. How fast is the tip of his shadow moving when he is 45 ft from the pole?

19. ## chemistry

a real gas is introduced to a flask of volume v. is the corrected volume of the gas greater or less than V? Ammonia has a larger a value than neon does. What can you conclude about the relative strength of the attractive forces between molecules of ammonia

20. ## Chem help

For which of the following molecules would the intermolecular forces be influenced mainly by dipole-dipole forces? PH3 CH3OHO HF C2H5OH CH3COCH3 how do I determine this

21. ## calculus

Water is poured into a conical tank 6m across the top and 8m deep at the rate of 10m/min. How fast is the water level rising when the water in the tank is 5m deep?

22. ## mechanics 12

A 1.8 kg breadbox on a frictionless incline of angle θ = 37° is connected, by a cord that runs over a pulley, to a light spring of spring constant k = 120 N/m, as shown in the figure below. The box is released from rest when the spring is unstretched.

23. ## geometry

If mS = 75°, what is mU?

24. ## math

How long (in years) will it take your money to triple at an annual percentage rate of 5% compounded annually? Use logarithms to solve. Round and show 2 decimal places.

25. ## math

A set of X and Y scores has SSX = 10, SSY = 20, and SP = 8. What is the slope for the regression equation?

26. ## Science

Choose the CORRECT statement concerning blood vessels. A. Venules control blood flow through capillaries B.Arterioles drain blood from capillaries. C.Veins have thinner walls, but more valves than arteries. D.Nutrient exchange may occur along arterial

27. ## math

A number cube is rolled and a coin is flipped. Predict how many times you would get heads and a number less than 3 in 240 trials. 60 40 30 20

28. ## chemistry

Balance the following equation: K2CrO4+Na2SO3+HCl--->KCl + Na2SO4+CrCl3+H2O Enter the coefficients for each compound, separated by commas, in the order in which they appear in the equation (e.g., 1,2,3,4,5,6,7).

29. ## physics

A pelican flying along a horizontal path drops a fish from a height of 4.7 m. The fish travels 7.7 m horizontally before it hits the water below. What was the pelican’s initial speed? The acceleration of gravity is 9.81 m/s2 . Answer in units of m/s

30. ## chemistry

Given that ?Hf for OH- ions is -229.6 kJ/mol, calculate the enthalpy of neutralization when 1 mol of a strong monoprotic acid (such as HCl) is titrated by 1 mol of a strong base (such as KOH) at 25 degrees C

31. ## geometry

A regular pentagonal pyramid has a side length of 4 mm, an apothem that measures 3 mm, and a height of 4.1 mm. What is the volume of the pyramid?

32. ## Chemistry

The ¡°air¡± that fills the air-bags installed in automobiles is actually nitrogen gas produced by the decomposition of sodium azide, NaN3. Assuming that the decomposition of sodium azide produces both nitrogen and sodium metal (Na), what volume, in

33. ## calculus

Use implicit differentiation to find an equation of the tangent line to the curve at the given point. x2 + 2xy − y2 + x = 17, (3, 5) (hyperbola)

34. ## math

For a sample of n = 20 individuals, how large a Pearson correlation is necessary to be statistically significant for a two-tailed test with a = .05?

35. ## physics

The force of friction between a crate and the floor it is sliding over depends on? a. the speed the crate is moving over the floor with b. the surface area of the crate in contact with the floor c. how much force you are exerting on the crate parallel to

36. ## math

There are 6 red marbles, 8 blue marbles, and 11 green marbles in a bag. What is the probability that you will randomly draw either a red or a blue marble? 24% 56% 32% 10%

37. ## physics

A tractor pulls a loaded wagon with a constant force of 300 N. If the total mass of the wagon and its contents is 275 kg, (a) what is the wagon's acceleration? (b) Assuming the wagon started from rest, how far does the tractor travel in 4.00 s?

38. ## Science

A mixture is prepared by adding 100 ml of 0.10M Na2CrO4 to 100.ml of ).10 N AgNO3. A precipitate forms in this mixture. The precipitate is separated from the mixture by filtration. Question: What quantity of solid product is produced?

39. ## math

At a carnival game, there is a 38% probability of winning a prize. What is the probability of not winning a prize? 38% 50% 62% 76%

40. ## CHEM

what volume would 10.5g of nitrogen gas, N2, occupy at 200.K and 2.02atm?

41. ## physics

A 48 kg skier starts from rest at a height of H = 28 m above the end of the ski-jump ramp. As the skier leaves the ramp, his velocity makes an angle of 28° with the horizontal. Neglect the effects of air resistance and assume the ramp is frictionless. (a)

42. ## physics

Here's a basketball problem: A 83.0 kg basketball player is running in the positive direction at 7.5 m/s. She is met head-on by a 101.6 kg player traveling at 5.3 m/s toward her. If the 101.6 kg player is knocked backwards at 3.4 m/s, what is the resulting

43. ## chemistry

If you calculated a salt-tainted solution to be 3.5%, what is the molarity of this solution? assume the density of this solution is 1.03g/cc. BTW, this is the salinity of sea-water. pls do help thanks.

44. ## Trigonometry

4. Write the equation of the cosine function with an amplitude of 1/3, a period of 2pi, and a phase shift of 3pi/2. I got 1/3COS(1/2x-3pi), but I really do not think that is correct D: any tips or advice?

45. ## algebra

The dimensions of a playground are 50 feet by 75 feet. You want to double its area by adding the same distance x to the length and width. Find x and the new dimensions of the playground.

46. ## work and energy(physics)

A mass m = 12.0 kg rests on a frictionless table and accelerated by a spring with spring constant k = 4597.0 N/m. The floor is frictionless except for a rough patch. For this rough path, the coefficient of friction is μk = 0.49. The mass leaves the spring

47. ## mechanics

The figure below shows a ball with mass m = 0.299 kg attached to the end of a thin rod with length L = 0.388 m and negligible mass. The other end of the rod is pivoted so that the ball can move in a vertical circle. The rod is held horizontally as shown

48. ## physics

7.0 kg block moves in a straight line on a horizontal frictionless surface under the influence of a force that varies with position as shown below. How much work is done by the force as the block moves from the origin to x = 8.0 m?

49. ## chemistry

Calculate the grams of solute needed to prepare each of the following. 55.0 ml of a 6.50 hcl solution.

50. ## Numerical Analysis

show that the equation xcosx-2x2+3x-1=0 has at least one solution in [0.2,0.3]

51. ## Math

A man starts walking north at 5 ft/s from a point P. Five minutes later a woman starts walking south at 4 ft/s from a point 500 ft due east of P. At what rate are the people moving apart 15 min after the woman starts walking?

52. ## physics

The collision between a hammer and a nail can be considered to be approximately elastic. Estimate the kinetic energy acquired by a 10-g nail when it is struck by a 550-g hammer moving with an initial speed of 3.8 m/s.

53. ## economics

Suppose a persona quits a job paying \$40,000 per year and starts a business with \$100,000 withdrawn from a money-market account earning 8 percent per year. The implicit cost of the business is ____ for the entrepreneurs time plus _____ for the

54. ## Physics

A sphere with a moment of inertia 0.658mr2 and mass m and radius r rolls without slipping along the track shown on a planet where the acceleration due to gravity is g. It starts from rest at a height h = 4.87R above the bottom of the circular loop of

55. ## AP physics B

A billiards cue ball of mass 0.380 kg has a perfectly elastic head-on collision with a standard pool ball. The second pool ball which started at rest travels with a speed which is half the original speed of the cue ball. (a) Calculate the mass of the pool

56. ## Chemistry

Assuming all gases are at the same temperature and pressure, how many milliliters of hydrogen iodide are produced from 155 of ?

57. ## physics

A pelican flying along a horizontal path drops a fish from a height of 4.7 m. The fish travels 7.7 m horizontally before it hits the water below. What was the pelican’s initial speed? The acceleration of gravity is 9.81 m/s2 . Answer in units of m/s

58. ## physics

A 601-kg car stopped at an intersection is rear-ended by a 1660-kg truck moving with a speed of 14.5 m/s. If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find the final speed of both vehicles after the

59. ## Chem

A 53.31-g sample of water at 88.8 degrees C is added to a sample of water at 23.9 degrees C in a constant- pressure calorimeter. If the final temperature of the combined water is 43.3 degrees C and the heat capacity of the calorimeter is 26.3 J/degrees C,

60. ## statistics

A leading company chemically treats its product before packaging. The company monitors the weight of product per hour that each machine treats. An SRS of 90 hours of production data for a particular machine is collected. The measured variable is in pounds.

61. ## calculus

The Cost C of a product is a function of the quantity x of the product: C(x)=x^2-400x+50.Find the quantity for which the cost is minimum.

62. ## physics

two -8.1 nC charges, are each separated by 5.0 mm from a proton. If the two negative charges are held fixed at their locations and the proton is given an initial velocity v, what is the minimum initial speed v that the proton needs to totally escape from

63. ## economics

Assume that demand for product A can be expressed as QA = 500 ¨C 5PA + 3PB and demand for product B can be expressed as QB = 300 ¨C 2PB + PA. Currently, market prices and quantities for these goods are PA, = 5, PB = 2, QA = 481, and QB = 301. a. Suppose

In a physics laboratory experiment, a coil with 170 turns enclosing an area of 10cm^2 is rotated from a position where its plane is perpendicular to the earth's magnetic field to one where its plane is parallel to the field. The rotation takes 5.0×10^2 s

65. ## Algebra 2

3Y + 6x = 18 4y – 12x = -16 a.) Get each equation in slope-intercept form. b.) Identify the slope and the y-intercept of each equation. c.) Find the x and y-intercepts of each line.

66. ## Science

How does the discovery of seafloor spreading help to explain the mechanism behind why plates move? Explain your answer.

67. ## Physics

A swimming pool filled with water to its edge, the depth of the water is 2m and an electric lamp is placed at a distance equals 8m from the edge of the pool over a column its height 6m. Calculate the length of non-apparent part from the pool bottom with

68. ## math

Two cars leave the same point at noon. One car travels North and the other car travels East. Suppose the North bound car is travling 40mph and after two hours, the two cars are 100 miles apart. How fast is the other car going?

69. ## Finance

6. You are considering an investment in a one-year government debt security with a yield of 5 percent or a highly liquid corporate debt security with a yield of 6.5 percent. The expected inflation rate for the next year is expected to be 2.5 percent. a.

70. ## Math

Rahul's father is 3times as old as rahul.four year ago,his father was 4times as old as rahul.how old is rahul? Ans is 12yrs

71. ## algebra

Solve each porportion. 2/3 = 1.2/x x=?

72. ## Person Financial

The Internal revenue service adjust the value of an exemption was exemption base on inflation (and rounded to the nearest \$500. If the exemption was \$3,100 and inflation was 4.7 percent this year, what would be amount of the exemption will it be next year?

73. ## English

1. He had to check the oven every 15 minutes. 2. He had to check the oven every 15th minute. (Are both grammatical?) 3. Mom will give me turkey sandwich for lunch for the next two week. (Is 'for lunch' an adjective pharase or an adverbial phrase? Does 'for

74. ## algebra

If f(x) = x2 - 3x + 5 and g(x) = 3x. Find (f · g)(x).

75. ## home economics

a firm produces 20 units of output at a market price of #5, a marginal cost of \$5, and an average cost of \$3. what is the firms economic profit and is the firm maiximizing its economic profit. Is the formula market price-average cost x quantity 20?

76. ## physics

At a certain instant, a particle-like object is acted on by a force F = (4.0 N) ihat - (3.0 N) jhat + (9.0 N) khat while the object's velocity is v = - (2.0 m/s) ihat + (4.0 m/s) khat. What is the instantaneous rate at which the force does work on the

77. ## MATH.... HELP

Toronto and Vancouver are 3150km apart. A plane cruises at about 850km/hour. At this rate about how long (in hours and minutes) will it take to fly to Vancouver from Toronto? If he left Vancouver at 10:00 am and Toronto is 4 hours ahead of Vancouver what

78. ## math

Mr Hash bought some plates at a yard sale. After arriving home he found that 2/3 of the plates were chipped, 1/2 were cracked, 1/4 were both chipped and cracked only 2 plates were w/o chips or cracks. How many plates did he buy in all?

79. ## Math

Carlos had 7 cups of chocolate chips. He used 1 2/3 cups to make a chocolate sauce and 3 1/3 cups to make cookies. How many cups of chocolate chips does Carlos have now?

80. ## Math

Jared can paddle his canoe 1 mile upstream in 1 hour, but it takes only a half hour to paddle back the same distance. Find the speed of water. (Hint: d=rt and the rate or canoe speed, depending on which way he is going.)

81. ## statistics

The purchasing department has suggested that all new computer monitors for your company should be a new design. You want data to assure you that employees will like the new monitors. The next 20 employees needing a new computer are the subjects for an

82. ## Physics

The force exerted by the floor of an elevator on the foot of a person standing on it is more than the weight of the person if the elevator is 1.going up and slowing down 2.going up with constant speed 3.going down and speeding up 4.going down and slowing

83. ## Math

I'm only aloud to manipulate one side of the problem and the end result has to match the other side of the equation Problem 1. sinx + cosx + sinx + tanx + cosxcotx = secx + cscx Problem 2. ((sinx + cosx)/(1 + tanx))^2 + ((sinx - cos^2x)/(1 - cotx))^2 = 1

84. ## physics

For a glass lens submerged in water (n=1.33), the critical angle of incidence at which total internal reflection begins to happen is 60.1 degrees. What is the index of refraction of the glass?

86. ## Definition question? I think.

My homework says something about recreation locations in Canada. What does recreation location mean?

asked by rawr... im a dinosaur.... rawr
87. ## Science

1. Who is an oncologist ? 2. Allergic reactions are caused by antibodies of which group?

88. ## composition&communication

I am in the middle of a draft for my final essay I would like to know what you think and if you think there is something that should be added, deleted, or changed please tell me. This essay is a compare/contrast essay about flat irons and curling irons. I

89. ## Chemistry

How to solve: What is the final concentration of sucrose if 300.mL of a 1.2M solution of sucrose is diluted to a volume of 0.60L ?

90. ## algebra

Draw the shape that a mowing machine would make given these instructions. Go to (-7,7).Lower blade. Cut to (-7,1). Raise blade. Go to(-4,7).Lower blade. Cut to (-4,1). Raise blade. Go to (-7,4).Lower blade. Cut to (-4,4). Raise blade. What is the shape.

91. ## SAT Essay

Assignment: Can knowledge be a burden rather than a benefit? Plan and write an essay in which you develop your point of view on this issue. Support your position with reasoning and examples taken from your reading, studies, experiences, or observations

92. ## spanish

Need help unscrambling mpulchescisae think it is the marigold flower for the day of the dead celebration - cempasuchil but not enough letters. Thanks

93. ## Chem Lab

Aspirin synthesis and Analysis: Calculate theoretical yield of ASA? Used 3.5mL of acetic anhydride and 1.5g of salicylic acid.

94. ## Physics

What push parallel to a 42 incline is required to just start a 340 N block sliding up the plane? us = 0.6

95. ## physics 11

The loaded cab of an elevator has a mass of 3.0 multiplied by 103 kg and moves 161 m up the shaft in 23 s at constant speed. At what average rate does the force from the cable do work on the cab?

96. ## biochemistry

Enzyme X is a highly pigmented protein that imparts the characteristic color to certain blue-green algae. It also facilitates a reaction necessary to the survival of this species; we can follow the kinetics of this reaction by measuring the conversion of

97. ## Physics

A car (mass 800 kg) is traveling with a speed of 37 mi/h. A bug (mass 8.7 mg) is traveling in the opposite direction. What speed would the bug need in order to slow down the truck by one mile per hour in a big bug splash (i.e., final speed 36 mi/h)?

98. ## Physics

Trace by drawing the path of a ray of light shown in 90 degrees. This ray is incident in a perpendicular direction on the figure through a glass triangular prism on one side of the right angle. Given that the two sides of the right angle are equals and

99. ## chemistry

how much energy is released when 496 grams of ethylene (46.0 grams/moles) vapor condenses? the heat of vaporization of ethylene is 38.6 kj/mol.

100. ## English

1. He only comes home during school breaks and Thanksgiving. 2. He only comes home during school vacations and Thanksgiving. (Are both grammatical? What is the difference between 'breaks' and 'vacations?)

101. ## math

if the \$180 you spend on room and board represents 3/5 of your monthly income, what is your monthly income?

102. ## math

an end-of-season sale for winter clothes advertise 30% to 45% off the original piece. What was the highest original price of a jersey that is now on sale for \$12.99. Give your answer as a decimal rounded to the hundredths place.

103. ## college algebra

given the function f(x)= x^3+3x find the rate of chnge between the two values x:1 to 2 find the equation of a secant line containing the given points (1,f(1) and (2,f(2))

104. ## Chemistry

I have 0.009 moles of CaCO3 and I needed to find how many moles of CO3 are in the CaCO3. I am just making sure I am doing this correctly. 0.009 mol CaCO3 x 60.01/100.09= 0.54g CO3 0.54g CO3/ 100.09g CaCO3 = 0.005 mol CO3

105. ## Physics

To reduce its rotational inertia, an engineer proposes drilling three holes in a large wheel of radius R. The holes are to be centered midway between the center and edge of the wheel. What should be their radii (in terms of R) if drilling the holes is to

106. ## health

Cigarette features that reduce the yield of machine-measured tar such as, in light cigarettes, also reduce the yield of nicotine. Because smokers crave nicotine, they may, ________. A. Inhale less deeply, take smaller, quicker, or less frequent puffs B.

107. ## Chemistry

What is the mole fraction sodium acetate of a solution made by adding 0.145 g of sodium acetate to 119 ml water?

"he proved the existence of neutrons - elementary particles devoid of any electrical charge. In contrast with the helium nuclei (alpha rays) which are charged, and therefore repelled by the considerable electrical forces present in the nuclei of heavy

109. ## Physics

A flywheel for energy storage in a hybrid gasoline-electric car is a ring-shaped rotor of mass 50 kg, designed to rotate at 30000 rpm. At that speed it stores 10 MJ of energy (equivalent to about a cup of gasoline). What is the ring's diameter?

110. ## calculus

explain in your own words the process used to conclude that the derivative of a cubic function is a quadratic one

111. ## calculus

describe in your own words how you would determine the instaneous rate of changeof a function using the different methods

112. ## Math 9 pleese help

Justin wants to build a multi media room. 1/2 of the room will be for a home movie theater. 1/2 of the home theater will have comfy seats. The comfy seats will take up 24 m. 1. Draw the room and label all the areas 2. What are all the possible dimensions

113. ## Maths

Two no. are in the ratio 5:8. If the sum of the no. is 195.find the no. Ans is 75 nd 120 plz gve me sltn

114. ## Case Management

Intervention planning involves both treatment planning and service planning. Treatment planning involves planning for clinical or therapeutic services, while service planning involves the linking of clients to services for comprehensive assistance.

Hi! Can you check my answers please and I need help on 4 and 5 I cannot find the answers!!!! Please help! 2. _____ transports materials within a cell and between cells and makes up ______ percent of most organisms. (1 point) Fat; 60 Protein; 40 Sugar; 75

116. ## college algebra

given function f(X)=X^3+3x findthe rate of change between the two stated values for x:1 to 2 find the equation of a secant line (1,f(1)and(2,f(2))

117. ## Numerical Analysis

We know that e (base of the natural logarithm) is 2.7182818. If we estimate this number with XA = 2.71828, what is the significant number of digits that XA approximates the e?

118. ## college math

A \$8700 personal loan at 5.5% compounded monthly is to be repaid over a 4 year term by equal monthly payments. a) calculate the interest and principle component of the 18th payment b) how much interest will be paid in the third year of the loan?

120. ## Math

This is a 3rd grade math problem that my son had on homework. Can you explain how to derive the answer for this problem? The problem, as wriitten, is below.... I have 10 thousands, 11 tens, 12 hundreds, and 0 ones. What number am I? Thank you

121. ## Algerbra

George pays a flat amount for the first 200 minutes plus so much for each additional minute on his cellular phone each month. Last month it cost him \$33.78 for 244 minutes of use. The previous month it cost \$38.94 for 287 minutes of use. What are the flat

122. ## English, Social studies

1. We had a sleepover at Susan's house. 2. We had a sleepover party at Susan's house. (Which expression is correct? Are both grammatical?) Q2: Do only girls have a sleepover? How about boys? Do they have sleepover parties? Do all teenagers have sleepover

123. ## Math

In a 2digit no. ,the face value of the digit at the tens place is four times dat of the digit at ones place. If 54 is substrctd frm the no. ,the digit are reversed.find the no. Ans is 82

124. ## English

1. Mom will give me turky sandwiches for lunch for the next two weeks. 2. Mom will give turky sandwiches for lunch to me for the next two weeks. (Are both right?) 3. Mom will give me turky sandwiches for lunch during the next two weeks. (Can we substitute

125. ## calculus

Find the minimum distance from a point (6,3) to the parabola y^2=8x.

126. ## chemistry

what would happen to the accuracy and precision of the measurement if the mass is measured to 10th of a gram instead of a thousandth of a gram. would the result be higher or lower than the true value.

What are the Atlantic Provinces?

asked by rawr... im a dinosaur.... rawr
128. ## Poem

I need help about starting poem. My subject is a bad day

129. ## Diploma Maths

Evaluate the definite integrals ç[-2,0,(e^2+1),x] + ç[0,1,2 cos(x),]

asked by sean de la Harpe
130. ## Chem Lab

I don't know how to obtain theoretical yield.

131. ## geometry

What is the endpoint of a segment with endpoints -33 and 47?

132. ## literature

What lessons about life are presented by Khalil Gibram, Albert Camus, and Confucius? Im writing an essay on them and need to know some facts before I start writing giberish. thanks in advance

133. ## health

A typical smoke will take ___ on a cigarette over a period of 5 minutes that the cigarette is lit. A. 1 puff B. 5 puffs C. 10 puffs D. 15 puffs I put c and i got it wrong

134. ## math

{26=(12 =4)divided by 2}-{45 divided by (14-5)}

135. ## AP Calc.

find the equation of the tangent line to f(x)=square root x passing through (-4,0)

136. ## Maths

The numerator of a fraction is less than its denominator is increased by 9 and the numerator by 2,the fraction bcms two-third.find d fractn. Ans is 26/33

137. ## Math

Find two consecutive odd no. Whose sum is 76. Ans is 36,39 gve me ful sltn

138. ## English

1. We had so much fun! 2. We enjoyed ourselves so much! 3. We really enjoyed ourselfes! 4. We had a very good time! 5. We enjoyed ourselves very much! 6. We enjoyed ourselves too much! (Are they all the same?)

139. ## chemistry

What is the partial pressure of CO2 (torr)in exhaled breathe at 37 degree C. if the partial pressure of O2 is 116 (torr) and that of Nitrogen is 569 (torr). Assume atmospheric pressure is 1 atm. kindly help me with this problem

140. ## college algebra

given the functionf(x)=x^3+3x find the rateof change between the two stated values for x:1 to 2 find the equation of a secant line containig the given points (1,f(1))and (2,f(2))

141. ## Math

I can only manipulate one side of the equation and the end result should be equal to the other side. please help. ((sinx + cosx)/(1 + tanx))^2 + ((sinx - cosx)/(1 - cotx))^2 = 1

142. ## Numerical Analysis

Use Taylor series expansion (degree 0 to 6) about x’=pi/4 to find an approximation for f(x) = cosx at point x=pi/3 and then compare the result with the exact data

143. ## eco/365

Current and expected government policies and regulations, including taxes and regulations in place to address issues related to externalities realated to the cell phone industry as a whole. help please

144. ## chemistry

heat of 100g of water when transfer -10C to 150C using this equation q=¡ò_(T_2)^(T_1)¢Æc_p dT

145. ## personal statement

this is my personal statement. please check my grammar and what other stuff i can add or remove? thanks Ever since I was a little kid and till a year ago, I really didn’t know what I wanted to be in life. I imagined myself to be a teacher when I was 8

146. ## composition&communication

Flat Irons vs. Curling Irons Do you have trouble deciding what heated styling utensil will be best for your hair? Both the curling iron and flat iron offer diversity with their styles, tips, results, damage affects, and amount of time each take for

147. ## Algebra

i'm a 2 digit number. the sum of my digit Is 12.my tens digit is 4 more than my ones digit. what numberam i ?

149. ## Maths

If a no. Is doubled and the result is increased by 8,we get 40.what is the no.? Gve me ful sltn plz and ans is 16

150. ## Maths

A no. Plus two-third of itself plus one half of itslf plus one-seventh of itslf equals 97.find the no. Ans is 42

151. ## precal

please help i can't find the answer for this question. i can only manipulate one side of the equation and the end result has to equal the other side. Problem 1. ((1 + sinx)/cosx) + (cosx/(1 + sinx)) = 2secx

152. ## literature

what changes are in the archetypes in Whale Rider and Antigone?

153. ## MATH 9 HELP!!

Justin wants to build a multi media room. 1/2 of the room will be for a home movie theater. 1/2 of the home theater will have comfy seats. The comfy seats will take up 24 m. 1. Draw the room and label all the areas 2. What are all the possible dimensions

I am not understanding this question and I have read the chapter many times. Please help. given the function of f(x)=4x-8 a. find the the rate of change between the stated values for x:5 to 7 b. find the equation of a secant line containing the given

155. ## college algebra

graph the following function using transformations, be sure to graph all of the stages one graph, state the domain and the range y=x^2+12x

156. ## English

Posted by rfvv on Friday, November 2, 2012 at 10:46pm. 1. Mom will give me turky sandwiches for lunch for the next two weeks. 2. Mom will give turky sandwiches for lunch to me for the next two weeks. (Are both right?) 3. Mom will give me turky sandwiches

157. ## Numerical Analysis

show that f(x)=xsinπx-(x-2)lnx has at least one zero derivative in [1,2]

158. ## History

What changes in the Constitution did the Federalists of New England propose? Help?

159. ## health

Drinking during pregnancy can cause A.attention deficit disorder in child B.Poor academic performnce in child C.Birth defects in child D.All of the above I put D but i got it wrong

160. ## MATH,statistics

At a recent scotch-tasting party, 20 faculty members and their (opposite sex) spouses were guzzling it back pretty well. One person quite correctly noticed that the women seemed to be drinking more than the men. If the mean number of drinks had by the men

161. ## Diploma Math

A small object travels with a velocity of v=4-t^2 where t is the time in seconds, recorded from t=0, and v is the velocity in metres/second. a) Draw a graph of v(t) for 0¡Üt¡Ü3. b)Find ¡Ò[0,3,(4-t^2),dt] c) Use a suitable geomentric method to

asked by sean de la Harpe
162. ## math

Let f be a real value function and x Î Df then 0 lim ( ) ( ) h f x h f x ® h + - when it exists is called A) The derivative of f at a B) The derivative of f at h C) The derivative of f at x D) The derivative of f at x = h

163. ## maths

a multiply b =12 b multiply c=13 c multiply d=14 what is the answer for abcd=???

164. ## pe

pe and science objectives

165. ## Maths

Find three no. Such that,the 2nd is twice the 1st,the 3rd is three times the first and their sum is 180. Ans is 30,60,90

166. ## physic

difference between the type of wave formed in the wire and the formed in the air?

167. ## precal

fixed typo ((sinx + cosx)/(1 + tanx))^2 + ((sinx - cosx)/(1 - cotx))^2 = 1

168. ## 7th grade science Ms. Sue pleae only 1 question

1. Gene therapy research uses _______ to alter defective hereditary material. (1 point) bacteria cells interferons viruses Is the answer viruses? Or maybe its cells?

169. ## Calculus 2

the integral from 0 to 1/4 of arcsin(x^(1/2))dx.

170. ## math

Determine where the function is concave upward and where it is concave downward. g(x)=-x^2+7x+9

171. ## calculus

find the derivative of 9^8^x^2

172. ## college algebra

graph the following function using transformations, be sure to graph all of the stages on one grph, state the domain and range y= x^2 +12x

173. ## trig

2 cos(theta-13)= square root of 3