# Questions Asked onFebruary 6, 2011

1. ## College Physics

A point charge of 1.8 uC is at the center of a Gaussian cube 55 cm on edge. What is the net electric flux through the surface? I have no idea where to start with this problem.

2. ## Calculus

A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity, Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a

3. ## Chemistry 2

Styrene, C8H8, is one of the substances used in the production of synthetic rubber. When styrene burns in oxygen to form carbon dioxide and liquid water under standard-state conditions at 25°C, 42.62 kJ are released per gram of styrene. Find the standard

4. ## College Chemistry

The following data are obtained for the decomposition of N2O5 at a certain temperature: 2N2O5(g)↔4NO2(g) + O2(g) Time(s) 0 200 400 600 800 N2O5 (atm) 2.10 1.85 1.63 1.43 1.26 Find the rate constant kobs for this first-order decomposition reaction in

5. ## Chemistry

The energy used to power one of the Apollo lunar missions was supplied by the following overall reaction: 2N2H4 + (CH3)2N2H2 + 3N2O4 -> 6N2 + 2CO2 + 8H2O For the phase of the lunar module ascended from the surface of the moon, a total of 1200kg N2H4 was

6. ## Calculus

Two trucks start from the same point. One truck travels due east at a rate of 50 mph and the other trucks travels due north at a rate of 60 mph. At what rate is the distance between the two vehicles increasing 1 1/2 hours later? I think the answer is 55

7. ## Calculus

A street light is hung 18 ft. above street level. A 6-foot tall man standing directly under the light walks away at a rate of 3 ft/sec. How fast is the tip of the man's shadow moving? I know I would've to set up a proportion. 18 / 6 = x + y / y x =

8. ## Chemistry

A 119.2mL sample of 0.105M methylamine (CH3NH2, Kb=3.7*10^-4) is titrated with 0.255M HNO3. Calculate the after the addition of each of the following volumes of acid. 49.1mL and 73.6mL. Please help.

9. ## social studies

Which of these was NOT a major contributing factor to the Scientific Revolution? A) Greek philosophers B) Enlightenment thinkers C) Medieval Islamic scientists D) Roman and Byzantine scholars

10. ## social studies

Which of these describes a significant advantage possessed by the Union at the beginning of the Civil War? A) a larger free population B) a larger agricultural labor force C) a superior supply of military officers D) a longer coastline for importing and

11. ## SCl6 is used in....?

Does anyone know what SCl6 is used in? Note: I don't mean SF6. *Sulfur Hexachloride* Thank you :)

12. ## Science

There is 1000ml per L of fluid. The ventricle pumps 70ml of blood per beat. How many beats would be required to pump 4.2 L of blood?

13. ## math

triangle ABC, AB = x cm, BC = (x-4)cm, AC =10 cm and angle BAC = 60° calclulate the value of x

14. ## chemistry

8.What is the mass of 4.56 moles of sulfur dioxide? 9.What is the mass of 4.56 molecules of sulfur dioxide? 10.How many formula units are in 0.456 grams of Ca3(PO4)2? 11.How many moles are in 1.5 x 10 ^23 atoms of fluorine? 12.What is the mass of 2.80 x 10

15. ## Math

A bucket that weighs 3.2 pounds and a rope of negligible weight are used to draw water from a well that is 82 feet deep. The bucket is filled with 42 pounds of water and is pulled up at a rate of 2.3 feet per second, but water leaks out of a hole in the

16. ## Chemistry

Molecular bromine is 24 percent dissociated at 1600 K and 1.00 bar in the equilibrium Br2 (g) = 2Br (g). Calculate Kp at 1600 K.

17. ## chemistry

1.How many atoms are in a sample of copper with a mass of 18.46 grams? 2.How many formula units are in a sample of salt with a mass of 67.69 grams? 3.How many molecules are in a sample of water with a mass of 44.99 grams? 4.What is the mass in grams of

18. ## Calculus

If water is poured into a cup at a rate of 1 cubic centimeter per second, how fast is the dept of the water increasing when the water is 4 cm deep? r = 6 cm h = 9 cm V = 1/3(pie) r^2 x h V = (pie)r'h + 1/3 (pie)r^2 h' 6 / 9 = r / h 6h = 9r r = 3 / 4.5 h V

19. ## physics

Estimate the force a person must exert on a string attached to a 0.120 kg ball to make the ball revolve in a circle when the length of the string is 0.600 m. The ball makes 1.20 revolutions per second. Do not ignore the weight of the ball. In particular,

20. ## Peartree Elementary

There are 50 oranges in a box 3/10 of them are rotten. How many of the oranges are not rotten?

21. ## social studies

How did U.S. participation in World War I impact U.S. foreign policy in the decade immediately after the war? A) The United States joined the League of Nations. B) The United States strengthened its alliances in Latin America. C) The United States used the

22. ## Calculus

In the diagram below, the y-coordinate of point P is increasing at a rate of 4 units per minute while point Q remains in its fixed position. Find the rate of change of angle, in radians per minute, when y = 20. y ^ | P (0, y) | | | | |---| |___|________ Q

23. ## social studies

Why do cultural groups settle in specific physical environments

24. ## Math

A bicycle wheel is 30 inches in diameter. a. To the nearest revolution,how many times will the wheel turn if the bicycle is ridden for 3 miles? b. Suppose the wheel turns at a constant rate of 2.75 rev per second. What is the linear velocity in mph of a

25. ## Calculus

A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity, Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a

26. ## social studies

Many historians consider Theodore Roosevelt's greatest achievement to be.........?

27. ## English

I writing a 6 page research paper on "Teen Pregnancy", and i know my introduction pharagh should grab the readers attention, as well as the first sentence but I cant really think of any thing good or interesting. My three main topic are Birth rates,

28. ## Physics

If a spring with a spring constant k = 10 N/m is stretched from its equilibrium position by 0.1 m, and released, what would be the maxi- mum kinetic energy at any time in its motion? Neglect friction. 1. 0.025 J 2. 0.1 J 3. Not enough information given 4.

29. ## Calculus

1.If a body moves in a straight line according to the law s= 24t +3t^2 - t³, where s is the distance measured in meters from the origin and t is the time in seconds after it starts to move, calculate the body’s velocity as a function of time. a.v = 30t

30. ## Calculus

What is dy/dx if y=(x²+2)³(x³+3)² A.6(x²+2)²(x³+3) B.2x(x³+3)² +3x² (x² +2)³ C.3(x²+2)²(x³+3)²+2(x²+2)²(x³+3) D.6x(x²+2)²(x³+3)²+6x²(x²+2)³(x³+3) D or C I'm not sure ??

31. ## math

the needle of the scale in bulk food section of a supermarket is 25 cm long. find the distance when the needle rotates 50 degrees

32. ## accounting

Identify several ways in which you currently use accounting information in your life as a student. Also identify several situations in which, while you are still a student, you might be required to supply financial information about yourself to others?

33. ## Physics

A 14.0 ohm resistor is made from a coil of copper wire whose total mass is 23.0 g. What is the diameter of the wire, and how long is it?

34. ## science

scientific notation of 83.1

35. ## physics

Two people, one of mass 70 and the other of mass 65 , sit in a rowboat of mass 78 . With the boat initially at rest, the two people, who have been sitting at opposite ends of the boat, 3.5 apart from each other, now exchange seats.

36. ## pre cal

an airplane is flying at an altitude of 2500 feet parallel to the ground, and the ground distance to the start of the airport runway is 7500 feet. What s the plane's angle of depression to the start of the runway? What is the distance between the airplane

37. ## Algebra 1

can anyone help! I have no clue how to do this.. PART 1: Use complete sentences to describe a real-world scenario that could be represented by the inequality 5x + 2y 45. PART 2: Choose one ordered pair that is a solution to the given inequality and explain

38. ## Physics

A ball on the end of a string is revolved at a uniform rate in a vertical circle of radius 72.0 cm, as shown in Fig. 5–33. If its speed is .4 00 m s and its mass is 0.300 kg, calculate the tension in the string when the ball is (a) at the top of its

39. ## Math

Walking down a long moving escalator, Phil covered 75 m in distance in 25 seconds. Walking back up against the motion of the escalator, the distance was covered in 75 seconds. What was the speed of the escalator?

40. ## Calculus

A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity, Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, express Q as a

41. ## math stats

These data are a sample of the daily production rate of fiberglass boats from Hydrosport, Ltd., a Miami manufacturer 17 21 18 27 17 21 20 22 18 23 The company production manager feels that a standard deviation of more than three boats a day indicates

42. ## chemistry

1.How many atoms are in a sample of copper with a mass of 18.46 grams? 2.How many formula units are in a sample of salt with a mass of 67.69 grams? 3.How many molecules are in a sample of water with a mass of 44.99 grams? 4.What is the mass in grams of

43. ## Math

Walking at 4km/h, Bruce can make the roundtrip between his campsite and Lookout Point in 2.5 h. Rowing on Crooked River, he can row upstream from the campsite to Lookout Point in 1 h and can row back again in 40 min. Find Bruce’s rate of rowing in still

44. ## social studies

hich of these asserted that the United States had the right to intervene in the affairs of neighboring American countries, to counter threats posed to its security and interests? A) The Fourteen Points B) The Truman Doctrine C) The Roosevelt Corollary D)

45. ## Math..urgent.pls help!:(

A Volkswagon Beetle convertible sedan is worth \$16,615 now and is expected to be worth \$8950 in 4 years. a) find a linear depreciation function for this car. b) estimate the value of the car 5 years from now c.) at what rate is the car depreciating? thanks

46. ## math

I need help on this math problem Solve the systems of equations by elimination. -2x+y=7 6x+12y=24

47. ## geometry

A satellite in a nearly circular orbit is 2000 km above Earth's surface. The radius of Earth is approximately 6400 km. If the satellite completes its orbit in 12 hours, calculate the speed of the satellite in kilometers per hour.(pay attention to the

48. ## Math

Flying against the wind, Lisa made the flight from Reno in 3 h with a steady airspeed of 400km/h. Returning later with a tail wind that had doubled in magnitude, she landed 225 km beyond the starting point in 3 h. What was the original wind speed? How far

49. ## physics

On a very muddy football field, a 110 linebacker tackles an 75 halfback. Immediately before the collision, the linebacker is slipping with a velocity of 8.8 north and the halfback is sliding with a velocity of 7.2 east. a) What is the magnitude of the

50. ## Algebra

Flying against the wind, Lisa made the flight from Reno in 3 h with a steady airspeed of 400km/h. Returning later with a tail wind that had doubled in magnitude, she landed 225 km beyond the starting point in 3 h. What was the original wind speed? How far

51. ## Physics

A large metal ball is shot from a cannon with a short barrel. If the same ball were to be shot from cannon with a longer barrel, its muzzle velocity would be a. less. b. more. c. the same. d. impossible to determine without additional information.

52. ## Chemistry

A 23.0mL sample of a diprotic acid is titrated with 0.260M KOH. If 55.5mL of base is required to reach the second equivalence point, what is the concentration of the acid? I'm not sure how to do this.

53. ## math

How many ways can you have \$1.05, with only using dimes, nickels, and quarters?

54. ## Physics

An electron (mass m = 9.11e-31 kg) is accelerated in the uniform field E (E = 2.00e4 N/C) between two parallel charged plates. The separation of the plates is 1.10 cm. The electron is accelerated from rest near the negative plate and passes through a tiny

55. ## math

why the formula for finding the surface area of a rectangular prism is helpful.

56. ## Calculus

Sorry... Consider the function f(x) = 8.5 x − cos(x) + 2 on the interval 0 ¡Ü x ¡Ü 1. The Intermediate Value Theorem guarantees that there is a value c such that !@#\$%^& for which values of c and k? Fill in the following mathematical statements,

57. ## US history

To what extent and for what reasons did the policies of the federal government from 1865 1900 violate the principles of Laissez-Fair which advocated minimal government intervention in the economy?

58. ## fin 200

As the time period until receipt increases, the present value of an amount at a fixed interest rate A. decreases. B. increases. C. remains the same. D. Not enough information to tell.

59. ## physics

a framed picture of weight 15N is hung on a wall, using a piece of string. The ends of the string are tied to two points, 0.60 m apart on the same horizontal level, on the back of the picture.Find the tension in the string if the string is 1.0m long

60. ## English--Priss

Is it alright to ask a question again and again until you get the answer you want? Goodness, you have been responded to, and several of us read that and did not have diverging views from what Writeacher stated. If you did the research, did the analysis,

61. ## physics

A resistor is to have a constant resistance of 30(ohm), independent of temperature. For this, an aluminum resistor with resistance R1 at 0(Celsius) is used in series with a carbon resistor with resistance R2 at 0(Celsius). Evaluate R1 and R2, given that

62. ## Physics

A 0.7 um-diameter droplet of oil, having a charge of +e, is suspended in midair between two horizontal plates of a parallel-plate capacitor. The upward electric force on the droplet is exactly balanced by the downward force of gravity. The oil has a

63. ## social studies

how did the search for a northwest passage lead to the founding of new france and new netherland?

64. ## science

ethanol, C2H5OH, is responsible for the effts of intoxication felt after drinking alcoholic beverages. When ethanol burns in oxygen, carbon dioxide and water are produced. IF you have 256g of ethanol and 100 grams O2, calculate the amount product produced.

65. ## maths

The measures of two adjacent sides of a parallelogram are in the ratio 17:7. if the second side measures 3.5 cm, find the perimeter of the parallelogram.

66. ## pre cal

assuming that Earth is a sphere of a radius 6378 kilometers, what is the difference in the latitudes of Lynchbug, Virginia, and Myrtle Beach, South Carolina, where Lynchbug is 400 kilometers due north of Myrtle Beach?

67. ## tats

No(Did not lie) Yes(lied) positive test result 15(false positive) 42(true positive) negative test result 32(true negative) 9 (false negative) Refer to table and assume that one of the 98 test subjects is randomly selected. Find the probability of selecting

68. ## arithmetic

If the first term of an arithmetic sequence is 10 and the 13th term is 58, what is the common difference?

69. ## Algebra

Suzi drove home at 69 mph, but her brother Jim, who left at the same time, could drive at only 41 mph. When Suzi arrived, Jim still had 112 miles to go. How far did Suzi drive?

70. ## Physics

Gind the force between charges of +10.o uC and -50.0 uC located 20.0 cm apart

71. ## Introduction to Electricity and Circuits

A light bulb is wired in series with a 142 resistor, and they are connected across a 120 V source. The power delivered to the light bulb is 22.3 W. What are the two possible resistances of the light bulb?

72. ## stats help

The Birch Company, a manufacturer of electrical circuit boards, has manufactured the following number of units over the past 5 years: 1992 12,500 1993 13,250 1994 14,310 1995 15,751 1996 17,630 Calculate the average percentage increase in units produced

73. ## science

A bird sits on a pole and watches waves. The wave crests are 1.0 meter apart. If one wave crest passes the pole each second, what is the speed of the wave? . What is the period of the wave? . What is the frequency of the wave? . If the waves change so that

74. ## Physics

An alpha particle and an antiproton are released from rest a great distance apart. They are oppositely charged so each accelerates toward the other. What are the speeds of the two particles when they are 2.5 nm apart? alpha particle has a charge of +2e and

75. ## Math

You have 48 yellow blocks and 40 green blocks. What is the greatest number of identical towers that you can build using all 88 blocks?

76. ## algebra

Factor these: 8x^3-125 81x^-625 18x^3+63x^2-50x-175 x^4-11x^2+18 I'm so lost!

77. ## Physics

A man observes snow falling vertically when he is at rest, but when he runs through the falling snow at a speed of 4.70 m/s, it appears to be falling at an angle of 24.0° relative to the vertical. Find the speed of the snow relative to the earth.

78. ## chemistry

Determine whether ∆H is equal to, greater than, or less than ∆U for the following reactions. Keep in mind that “greater than” means more positive or less negative, and “less than” means less positive or more negative. Assume that the only

79. ## English

Identify the topic sentence in the paragraph: Please let me know if I have the right answer. Thanks 3. Individuals can be denied credit for a number of reasons. (Topic sentence starts here---->"Individuals who are near limits on existing cards, have too

80. ## chemistry

Explain how to make a 1.5M solution of copper (II) sulfate with a volume of 250 mL.

81. ## physics

a ball is thrown vertically into the air because of air resistance its speed when it returns to its staring level compared to it initial speed is what?

82. ## Genetics

Hi, I really need help in how to approach this question: A species of tiny antelope, known as the zephyr, has an XY system of sex determination, similar to mammals. Zephyr males have small antlers and females do not. The antlers can be two pronged (2-pr)

83. ## Calculus

A function f(x) is said to have a removable discontinuity at x=a if: 1. f is either not defined or not continuous at x=a. 2. f(a) could either be defined or redefined so that the new function IS continuous at x=a.

84. ## Chem

How many moles of NaOH would you need to add to 800 ml of a 0.4 M H2CO3 solution in order to bring the pH of the solution to 10.5?

85. ## American Government

All of the following statements correctly describe the typical independent agency except: A. it has a narrower area of responsibility than cabinet departments. B. it is divided into a number of smaller operating units. c. its employees are mostly hired

86. ## chemistry

Fish-liver oil is a good source of Vitamin A. When 0.1232 g of fish liver oil is dissolved in 500. mL of solvent, an absorbance of 0.724 is recorded. When 0.00167 g of Vitamin A is dissolved in 250. mL of solvent, an absorbance of 1.018 is recorded.

87. ## Algebra 1- Virtual School

can anyone help! I have no clue how to do this.. PART 1: Use complete sentences to describe a real-world scenario that could be represented by the inequality 5x + 2y 45. PART 2: Choose one ordered pair that is a solution to the given inequality and explain

88. ## health

The primary purpose of the patient record is to provide continuity of care, which means. a. documenting services so others have a source from which to base care. b.evaluating the quality of patient care. c.providing information to third-party payers for

89. ## science

Okay, I will check back later. Thank You Ms. Sue!!

90. ## maths

If a farmer has 60 cows on his farm and 53 sheep then how many goats does he have?

A car is climbing a hill and accelerating at a constant rate of 0.3 g and at an angle of 10 degrees. What is the steady state value of the ANGLE made by a mass hung from a cord that's attached to the rearview mirror. Please Help don't know how to start.

92. ## science

how to solve log10(1.4 x 10-5)

93. ## algebra

what is the common ration of 2,12,18, and 27. What are the next three numbers in the sequence.

94. ## social studies

mahogany logs from central America sometimes wash up in scotland. how do you explain this?

95. ## Calculus

suppose that a population is dying with a half life of of 43years. The initial size is 1600. Find the 1 year DTDS for this population

96. ## English

Can anybody help in evaluating this essay. i have to write an evaluation on it its by Wole Soyinka called Every Dictator's Nightmare With the blood-soaked banner of religious fanaticism billowing across the skies as one prominent legacy of this millennium,

97. ## Chem

How many moles of NaOH would you need to add to 800 ml of a 0.4 M H2CO3 solution in order to bring the pH of the solution to 10.5?

98. ## statistics

The IQ of 100 college students in XYZ univ are found to be normally distributed where mean is 105 and standard deviation is 8. If the student IQ score is 90, what is the probability that another student randomly slected has an IQ score of below 90.

99. ## physics

a 2.0kg block is pushed against a spring that has a force constant of 10 n/m. the spring is compressed 10 cm. when the block is released, it slides across a rough surface for 25 cm before it stops. find the coefficient of friction between the block and the

100. ## physics

As part of a training program, an athlete runs while holding 8.00 weights in each hand. As he runs, the weights swing through a 30.0 arc in . His hands are 72 from his shoulder joint, and they are light enough that we can neglect their weight compared with

101. ## Algebra 2

Walking at 4km/h, Bruce can make the roundtrip between his campsite and Lookout Point in 2.5 h. Rowing on Crooked River, he can row upstream from the campsite to Lookout Point in 1 h and can row back again in 40 min. Find Bruce’s rate of rowing in still

102. ## math

Could someone please how this problem should be solved? Simplify and write the answer in exponential notation using positive exponents. 2 to the 4th x 2 -2nd power

103. ## geometry

the base of a triangle is 4dm longer than its altitude, and its area is16dm^2. Find the lengths of the base and its altitude.

104. ## chemistry

What mass of water, in grams, would have to be decomposed to produce 12.0 L of molecular oxygen at STP?

105. ## biology

Which one of the following refers to the people who truly influence decision making within a company, regardless of their position on the company’s organizational chart? A. Human resource team C. Informational task force B. Organizational team D.

107. ## pre cal

Tamara is flying in a hot air balloon. The hot air balloon is flying at an altitude of 1100 feet. The ground distance to the landing site is 1400 feet. What is Tamara's angle of depression to the landing site? What is the actual distance between the hot

108. ## literature

Need help with symbolism project. thank you for your help.? I need help with explaining symbolism of the ax from Black Cat. Do you know what symbolism mean is? THANK YOU FOR YOUR HELP

109. ## Math

Because of a recession, the value of a new house depreciated 10% each year for 3 yr in a row. Then, for the next 3 yr, the value of the house increased 10% each year. Did the value of the house increase or decrease after 6 yr? Explain. I feel that the

110. ## algebra

the perimeter of a rectangular garden is 132 meters.The length is 6meters longer than twice the width. Find the demensions of the garden.

111. ## COM/155

•Write several sentences describing a recent interaction with a friend or family member about personal finance or credit cards. •Use at least 5 different pronouns. I think these sentences are correct. They should include the necessary five diferent

112. ## math stats help

3-34 The Chicago Transit Authority thinks that excessive speed on its buses increases maintenance cost. It believes that a reasonable median time from O’Hare Airport to John Hancock Center is about 30 minutes. From the following sample data (in minutes)

113. ## health

The hospital inpatient record documents the care and treatment received by a patient admitted to the hospital. Where is the paper-based record stored while the patient is in the hospital? a.All patient records are stored in the health information

114. ## calculus

PLEASE HELP Find the first and second derivatives of the function. y = e^8ex. I keep getting y' = e^8ex * 8 and its wrong. how do you do this?

115. ## Calc

Find the arc length of the graph of the function over the indicated interval. y = (x⁵/10) - (1/(6x³)) , [1,20] Thank you so much!!

116. ## economics

Jerry is considering buying today a new bond which makes infinite annual payments. In particular the bond pays its holder 557.3 dollars one year from the day of purchase and the annual payment increases by 129.32 dollars each year thereafter. What is the

117. ## Calculus

find lim (2x+1+cos2x/22) x->0 Give one sequence starting at x=0.1 to support your claim.

118. ## Algebra

r= -0.075t + 3.85 solve for t r=3.7 -0.075t + 3.85 < 3.7 -0.075t + 3.85 - 3.85 -0.185/-0.075 This is as far as I can get - now how do you solve for t?

119. ## Math-Equations

A building contractor is planning to build an apartment complex with one, two or three bedroom apartments. Let x,y,z respectively denote the number of apartments of each type to be built. Suppose that the builder will spend a total of \$6,885,000, and that

120. ## STATS

HumanPower, the temporary employment agency, has tested many people’s data entry skills. InfoTech needs a data entry person, and the person needs to be not only quick but also consistent. HumanPower pulls the speed records for 4 employees with the data

121. ## algebra 2

triangle CAT has vertices C(4,9), A(8,-9),T(-6,5) M is the midpoint of TA . find the length of the median CM

122. ## English/ re-post

Identify the topic sentence in the paragraph: Please let me know if I have the right answer. Thanks 3. Individuals can be denied credit for a number of reasons. (Topic sentence starts here---->"Individuals who are near limits on existing cards, have too

123. ## physics

What is the cost of electrical heating 50 liters of water from 40degree celsius to 100degree celsius at USD 8.0 /kwh?

124. ## physics

Hi! Thank you for your help~ I am working on a problem about electric fields. There is a rod along the x axis from -3m to 3m with a lambda linear density of 12 x10^-9 c/m. I am supposed to find the electric field on the y axis at y = 0.2m . I know that I

125. ## Social Studies

What factors may contribute to the differences in GDP per capita in the areas of the world in places like Europe which is high compared to Africa which is low? I know that the United States and Europe are more technologically advanced than Africa. I also

126. ## calculus

Locate the position of Sun,using calculus---using differential euation on sign curve of Sun's path.

127. ## HUMN 232

Businesses are intended to make money, and sometimes this means keeping business practices secret. What kind of information does the public have a right to know? What kind of information does a business have a right to keep secret? How do we make these

128. ## social studies

Which of these was the BIGGEST economic disadvantage of the Southern States during the Civil War? A) sea port availability B) industrial production C) agricultural production D) availability of resources

129. ## algebra

answer to Solve the system of equations by graphing then classify the system 6x-y=39 6x+7y=15

130. ## Managerial Accounting

A food division reported cost of sales-food of \$198,680. Employees' meals cost \$1,225, complimentary meals \$142 and transfers in were received from the bar operaton with a cost of &82. Determine the net cost of sales.

131. ## algebra

(2/3)((7/8)-4x)-5/8=3/8

132. ## physics

if someone weighs 500 N, how much pressure does she apply when she stands on her head, if the part of her head that is touching the floor has a radius of 2cm?

133. ## Algebra

I've been looking for help on setting up this part of my homework so that I could finish it. If anyone can help, please do. Part 1: Many people know that the weight of an object varies on different planets, but did you know that the weight of an object on

Your new employer owns a small dry cleaning service. She tells you that she’s considering installing a telephone system. Which of the following would be the best for her? A. A remote access system C. A PBX system B. A key system D. An automated answering

135. ## chemistry

If you submerge a silver teaspoon in copper sulfate solution, what reaction would you expect and why?

136. ## health

Although hospital inpatient records have traditionally served as the documentation source and business record for patient care information. a.all patient records contain similar content and format features. b.alternate care facility records serve as the

____ 1. The form of organization for a business is not an important issue, as this decision has very little effect on the income and wealth of the firm's owners. TRUE OR FALSE

138. ## art

you put 15 marbles into 3 groups

139. ## Calculus

Let If f(x) is a function which is continuous everywhere, then we must have m=________________

140. ## Com155

•Resource: Weekly Readings •Write five sentences about the role of education in successful financial planning, in which you correctly use a different verb tense in each sentence. •Mark each verb used in bold and, in parentheses, identify the specific

141. ## Math

What is the additive inverse of 5 on the 12-hour clock.

142. ## geometry

prove that if the lengths of two sides of a and b, triangle are a and b respectively, then the lengths of the corresponding altitudes to those sides are in the ratio b/a.

143. ## physics

CALCULATE THE ACCELERATION FOR A 10.0 KG BLOCK WHICH IS BEING PULLED UP A 35.0 DEGREE SLOPE BY A FORCE OF 140 N IF THE COEFFICIENT OF SLIDING FRICTION IS 0.100

144. ## social studies

early explorers sailing west across the Atlantic usually sailed south to the canary island, first. why do you think they did?

145. ## Calculus

Multiple Choice: Suppose F(x)=∫ from 0 to x^2 of 1/(2+t^3) dt for all real x, then F'(-1)=? a. 2 b. 1 c. 1/3 d. -2 e. -2/3 Steps please? Thanks(:

146. ## New age Math

A building contractor is planning to build an apartment complex with one, two or three bedroom apartments. Let x,y,z respectively denote the number of apartments of each type to be built. Suppose that the builder will spend a total of \$8,277,000, and that

147. ## algebra

A gardener wants to create a triangular garden in the shape of a right triangle with shortest side length x-2y ft. and the middle length side x+6y ft. What is the area of the garden? multiply this out and express in simpliest correct mathematical form

148. ## geometry

What does it mean when the scale factor of the actual object to its model is less than one?

149. ## math

a store recorded net sales of 423,400 for the year.the store's beginning inventory at retail was105,850 and it's ending inventory was127,020. what would be the inventory turnover at retailrounded to the nearest tenth? i have no idea what i am doing.

150. ## English

What is a characteristic to describe a person who always follows a schedule? What is a characteristic to describe someone who always follows the law?

151. ## chemistry

the work done by the system during a certain adiabatic process is 200J. What is the change in U of the system

152. ## English

1.The fawn (lay, laid) down in the undergrowth. 2.Every night this week, the cat has (lain, laid) on the piano bench to sleep. 3.Have they (risen, raised) prices? 4.The balloon slowly (rises, raises) as the air heats up. 5. The bread dough is (rising,

153. ## Stats for managers

3-100 Matthews, Young and Associates, a Chapel Hill consulting firm, has these records indicating the number of days each of its ten staff consultants billed last year: 212 320 230 210 229 231 219 221 222 a)Without computing the value of any of these

154. ## math

Rebecca walked 0.25 mile on Tuesday and 1.6 miles on Wednesday. How many miles did she walk altogether? Write a vertical math sentence to solve the problem

155. ## math

what is a 1 digit number & a 3 digit number their sum is 205 has a difference of 195 they have a product of 1000 they have a quotient of 40

156. ## Math

Solve the following equations for x: X = 2 + (1/x) , X = 3 + (1/x) How do I do this type of problem? Thanks

157. ## Science

If I want to make a solution that has a 5% concentration of salt, is it correct for me to have 380mL water and 20g salt? My method behind this was that I wanted a 400g solution, and so since 1mL water is equal to 1g water, I did: 400x0.95=380g water or

158. ## grammar

is living room a noun?

159. ## English

1.Mom always (____) her glasses down somewhere and then can't find them. 2.No one could believe that Carol had been (___) near the dog the entire time. Use correct form of sit or set 1.sets 2.sitting 1.My grades have (----) a little each semester. 2.My

o Research some executive dashboard products, identify information that Lisa and Ruben would likely find useful presented in a dashboard, and how they would use the information. Make recommendations as to which product you would recommend for Club IT.

161. ## Calc

For the function f(x) = 5x^6 + 6x^5 - 15x^4 a.) find where the function is increasing & decreasing b.) find where the graph if concave up & concave down c.) name all inflection points d.) find all relative extrema

162. ## English

What is a characteristic to describe a person who always follows a schedule?What is a characteristic to describe someone who always follows the law?

163. ## Periodic Table of Elements

What are the elements that are liquids in their natural state? What are the elements that are gases in ther nattural state? What are the magnetic elements?

164. ## currents and climate

since warm air carries more moisture, what would you expect the climate there to be like?

165. ## PHYSICS

Hi! Thank you for your help~ I am working on a problem about electric fields. There is a rod along the x axis from -3m to 3m with a lambda linear density of 12 x10^-9 c/m. I am supposed to find the electric field on the y axis at y = 0.2m . If you could

166. ## physics

CALCULATE THE ACCELERATION FOR A 10.0 KG BLOCK WHICH IS BEING PULLED UP A 35.0 DEGREE SLOPE BY A FORCE OF 140 N IF THE COEFFICIENT OF SLIDING FRICTION IS 0.100

167. ## sociology

What social policies would be likely to be recommended by a sociologist who favored Merton’s strain theory in order to reduce property crime by the poor?

168. ## math

Angle U and Angle V are complementary angles. If Angle U is three less than twice Angle V, what are the measures of the angles?

169. ## English

Is it all right to write a research paper in first person when asked your opinion and to give references to back it up?

170. ## Chemistry

How do I find the volume in L, of aluminum if the mass is 25.25g and the density of aluminum is 2.70g/Ml?

171. ## Physics

What is the rotational inertia of a 10 kg rod with a length of 0.9m and rotating about an axis passing through its end?

172. ## science

Will you please let me know if you think my Problem and Hypothesis is what my teacher is looking for? This is my first science project and I want to achieve an A. I am testing how heat input can affect the velocity of the ocean currents. PROBLEM: Does an

173. ## English

I have to evaluate this essay.Can someone help me with this. how to evaluate this. some points on evaluating it. The essay is "Every dictator's Nightmare" by Wole Soyinka. thanks With the blood-soaked banner of religious fanaticism billowing across the

174. ## math

a single die is rolled onece. what is the probability of getting an even? what is the probability of getting a number less than 2? what is the probability of getting a 9?

175. ## Physics

A fountain has a cylinder with holes placed on the side at heights of 1 m and 2 m. The water level is the cylinder is kept at a height of 3 m by an input type. The water emerges from the holes and strikes the fountain pool at some distance x. a. What

176. ## psychology

8. Cognitive psychology can best be described as:

177. ## English

Could you please help me to make an acrostic poem for "THANK YOU"? We had an Indian Volunteers who donated a small library in our school. It's a nice way of saying our gratitude to them before they leave.

178. ## Algebra

The function p(d)=1+d/33, gives the pressure in atmospheres (atm), at the depth d in the sea (d is in feet). Note that p(0)=1 atm, p(33)=2 and so on. Find the pressure at 40 feet? I am lost please help? Thanks!

179. ## physics

Work out the gravitational potential energy of a 2kg brick at a height of 9 metres.

180. ## science

What is the route(s) of entry for the toxic substance to the bodyfollowing: A hiker becomes violently ill after being bitten by a rattlesnake

181. ## physics

a particle of mass 1 gram is rotated in a horizontal circle of radius 1 meter.it moves with a velocity 2 meters per second in magnitude the work done in 1 revolution is?

182. ## Math

The reduced row echelon form of the matrix -1/2 1/2 3/2 -3/2 2 3/2 1/2 -3/2 9/2 is?

183. ## maths

if the diameter of a bike wheel is 20cm, what's the minimum number of revolutions needed to cover 1km?

184. ## chemistry

Why will a new nail react faster in copper sulfate solution than an old, rusty nail?

185. ## English

any suggestions on this: i can't think of this word, when you read a view point of someone who isn't " ", like a person might talk about a person badly but this person just tells about a person without feelings.

186. ## math

What's the minimum. length of the arc on the cicumference of the earth,where a curvature of the horizon is appearent? OR---What's the max.length of cord,drawn on the cicumference of the earth,where length of the cord appears same as arc? Follow up 2nd

187. ## stat

Find the sample variance s2 for the following sample data. Round your answer to the nearest hundredth. x: 23 17 12 35 29

188. ## pre cal

if a 22 inch tire rotates 40 times per 2 minutes, determine the linear and angular speed of the tire.

189. ## science

I was just wondering! I posted a question for you all at 12:01 today. Are you allowed to help me with this type of question? I just wanted to make sure what I will turn in is what my teacher is looking for! This is my first science fair project. Thank You!

190. ## math300

Run the simulation using n = 30 and N = 10 for a uniform, a bell-shaped, and a skewed distribution. Identify the mean of the sampling distribution of sample means for each distribution. Evaluate if the results are what you expected for each distribution.

191. ## chemistry

Read the two statements below about the compounds H2Y, Li2Y, HZ and KZ and then answer the questions that follow: A non-metal element which lies in the third row of the Periodic Table forms a gaseous compound H2Y with hydrogen and the compound Li2Y with

192. ## MATH

Adam was walking down the stairs at his work one day. Adam began on the top step and had already gone down seven steps when he saw Reanna on the ground floor beginning to come up the stairs. Reanna goes up two steps for every one step Adam goes down. Adam

193. ## English

Can you please check these sentences for me? Thank you very much. 1) The hotel is very near from here. How far from here is the hotel? 2) The hotel room was awful. What was the hotel room like? 3) He got in by climbing over the wall. How did he get in? 4)

195. ## Quantitative analysis

3. A service station owner sells Firm-on-the-road tyres which are ordered from a local tyre distributor. The distributor receives tyres from two plants, A and B. When the owner of the service station receives an order from the distributor, there is a 0.5

197. ## politics

Who was the first president of the republic of ghana

198. ## math 126

let u={5,10.15.20.25.30.35.40 find a c

199. ## Human Services

I am beginning a paper on a proposed social program. Could you suggest some resources on social policy and programs for human services? Thank you

200. ## New Age Math

A building contractor is planning to build an apartment complex with one, two or three bedroom apartments. Let x,y,z respectively denote the number of apartments of each type to be built. Suppose that the builder will spend a total of \$8,277,000, and that

201. ## biology

Discuss the function of hormone in the reproductive process?

The production manager of Hinton Press is determining the average time needed to photograph one printing plate. Using a stopwatch and observing the platemakers, he collects the following times (in seconds): 20.4 20.0 22.2 23.8 21.3 25.1 21.2 22.9 28.2 24.3

203. ## social studies

since warm air carries more moisture, what would you expect the climate to be like in the gulf stream

204. ## social studies

which side of Australia would you expect to be very dry, and which side would you expect to have more rain? explain

205. ## algebra 2

triangle CAT has vertices C(4,9), A(8,-9),T(-6,5) M is the midpoint of TA . find the length of the median CM

206. ## College american history

1.How were the Spanish conquistadores able gain dominance over the Native American empires of Central and South America?

207. ## chem

How do we know what is saturated, unsaturated and supersaturated?

208. ## Chemistry

Explain why different ozone depleting substances differ in terms of the length of time that elapses between their emission to the atmosphere and their release if catalytically active chlorine.

209. ## physics

In what direction and with what speep must he push away his pack in order to return to his vehicle in 30s?

210. ## stats

group rh+ 39 35 8 4 rh- 6 5 2 1 People with blood type AB and rh+ are considered to be universal recipients. If three of the 100 subjects are selected find the probability they are all universal recipients.

211. ## Math

I have 4 tops,6 bottoms and 3 different pairs of sandles. How many combinations can make?

212. ## health

What kind of professional is able to diagnose an ASD (autistic spectrum disorder) and is it possible to know the difference between PDD (provisif developmental delay) and autism ?

213. ## English

Need help with symbolism project. thank you for your help.? I need help with explaining symbolism of the ax from black cat. Do you know what symbolism mean is? THANK YOU FOR YOUR HELP example: etc

214. ## English

As promised, picked out the 4 statements I was most doubtful about. 1) Lady Macbeth, we learn in the course of the play, had been the able and efficient wife for such a man. 2)The crown will bring them the highest worldly honour available to them and

215. ## math

how do you change %18.35 to a fraction! help please! thnx! (:

216. ## algebra

A gardener wants to create a triangular garden in the shape of a right triangle with shortest side length x-2y ft. and the middle length side x+6y ft. What is the area of the garden? multiply this out and express in simpliest correct mathematical form

217. ## CSI Fema 200

The information and intelligence function may be organized within the command staff. True or false

218. ## science

Okay, I was not thinking. I correlate my hypothesis with the materials I will be testing with. My PROBLEM I will leave the same-Does an increase in water temperature affect the velocity of ocean currents? Or will I have to change this also? New HYPOTHESIS?

219. ## calculus

correct me if I'm wrong please. 1. What is the value of Lim 2x+3/4x-5 when x>00 (infinity?) a.-3/5 b.0 c.1/2

220. ## English

Can you check these sentences for me, please? Thank you 1) He flew to New York with an early morning flight. 2) He was supposed to travel to New York at 10 am. The plane was delayed by the thick fog till the following day. He was stranded at the airport

221. ## History

What was one of the social changes during the city life and city culture. What was one of the social changes during the Western Expansion.

222. ## computer science

A suspicious vehicle can be tracked along the motorway by noting the time it passes each ANPR monitoring point. If a car passes monitor A at 22.12.06 and monitor B at 22.54.07 and the monitors are 62 km apart calculate the average speed of the vehicle

223. ## biochemistry

pls help! discuss the effect of acids and alkalis on DNA & RNA. Thanks.

224. ## Physics

A particle of mass m = 0.40 kg oscillates on the end of a spring with an amplitude of 0.30 m. At t = 0, it's at it's equilibrium position (x=0) and is moving in the positive x-direction. At 0.20 s later it is at x = 0.25 m. a. What is the lowest possible

225. ## Basic Math

A student claims that 2/3 = 6/7 because if you add 4 to both the top and the bottom of a fraction, the fraction does not change. How do you respond? I am a bit confused. Don't you need to have a common denominator?

226. ## math

To find a sales tax of 6% on a purchase of \$90.00 using the proportion method you would write the following: 6/100 = ST/\$90 The calculations in this problem would give you the following: (ST)= \$540.00

227. ## English

Can you check these sentences for me please? Thank you. 1) The girl in the picture is wearing a tall necklace consisting of one kilo rings, ankle bracelets and knee rings. 2) They are very popular in Burma. The man in the picture is in his sixties. He is

228. ## Economics

the price of labor is \$100 per unit and the price of capital is \$20 per unit. What will the long-run total cost and long-run average cost of producing 120 units?

229. ## math

which is the best estimate for the height of a dog. 40 kilometers, 40 meters, 4 meters, 40 centimeters

230. ## Chemistry

Describe how to prepare 5.00 liters of a 5.00 % (w/w) NaCl solution, which has a density of 1.06 g/mL, from pure solid sodium chloride. I have no idea how to find the starting measurements please help!

231. ## English

I forgot to include the following statements. I really hope you can have a look at them, too. 1) Macbeth was most likely written in 1606, early in the reign of James I, who had been James VI of Scotland before he succeeded to the English throne in 1603. 2)

232. ## HCS/335

what is a example of a unethical law?

233. ## algebra

(y^4+3y-5)/(y^2+7) find the quotient

234. ## bus math

the loan is\$ 50,000 at 9%for 7 years ? what is the first payment and the unpaid balance after the first year

235. ## math

The area of a rectangular swimming pool is given by 3x^2+11x+6 ft^2.One side length of the pool is given by 3x+2 feet. what is an algebriac expression for the other side length of the pool? simplify and include correct units

236. ## calculus

6. What is the derivative of y = square root of 3x ? a.dy/dx = square root of 3x/6x b.dy/dx = square root of 3x/2x c.dy/dx = 2 times the square root of 3x / 3x d.dy/dx = square root of 3x/2 okay i know the answer might not be there but which one do you

b^9/b^3

238. ## computer

what computer bus is sometimes called a "traffic cop"

239. ## geometry

If you used the (3/4x,3/4y) to transform the original figure, how would the angles compare? How would the side lengths compare?

240. ## Spanish

I am hoping someone can give me feedback on the following short paragraph on the book "Devil's Highway." I am especially concerned with whether I am using verb tenses correctly. "Devil's Highway" de Luis Alberto Urrea es un libro muy impactante y muy

241. ## Decision Analysis

Kunfu Company is planning to build a new manufacturing and distribution facility in TT, KK, SS, CC or AA. The company has estimated the facility cost in each country will vary depending on the economic conditions prevailing. The table below provides the

242. ## Bio

Is protein an unsaturated fat?

243. ## geometry

What is the approximate measure of sqt

244. ## Human Service

Do you have an idea on a movie that focuses on adulthood and life transitions.

The manager of Fresh Foods, a grocery store in Utah, is considering expanding store hours from the present 7 A.M. to 11 P.M schedule to a 24-hour shopping. Based on information from Information Resources, Inc., a national market research firm, the

246. ## chemistry

WHAT IS THE HEAT CHANGE ASSOCIATED WITH DISSOLVING 5.4g OF AMMONIUM CHLORIDE? TEMPERATURE CHANGE IS 6degrees Celsius.

247. ## Physics

A high-performance car accelerates from from zero to 26.8 m/s (60 mi/h) in 3.093 s. Find the magnitude of the car's acceleration.

248. ## Chemistry

Which will evaporate faster, 50ml of 1.0m NaCl or 50ml of pure water?

249. ## science

If a river is flwoing downstream at a velocity of 2.5 m/s how fast would a kayak be paddled? distance is 4500m

250. ## new age math

A value of the number k for which there is either no solution or an infinite number of solutions for (y,v) to the system of equations show below 7y-9v=-9 Ky+7v=7

251. ## Algebra

The area of the top of a triangular corner desk must be at least 7 sq. ft. If the base of the triangular desk top needs to be four feet, what should the height be?

252. ## algebra

A school designer wants to create a whiteboard with the optimal dimensions to enhance learning. It is determined that if one side of the whiteboard is x+2y inches, the other side should be x^2+6xy-5y^2 inches. Write an algebriac expression for the area of

253. ## ENGLISH HS

can i begin with. hi ..hello? how are you? and end with thank you very much sir. IN INTERVIEWING(RECORDED)

254. ## calculus

equation of motion of roller coaster that y=sin(t/2),y=(t-1)(t-2)(t-3)(t-4)(t-5)

255. ## chemistry

1) You have 300 g of H2O how many molecules do you have?

256. ## English

Hello. I need your language help. 1)Is it possible to use Perfect with "at last": "They have at last arrived." 2)Is it possible to use any verb or only "be" (maybe "have"?)in the construction "consider smb/smth to do",for example is it normal to say: "We

257. ## german

trink Sie (is it correct)

258. ## math

The circular surface of a table has a diameter of 3 ft. What will cost to have the top refinished if the company charges \$5 per square foot for the refinishing? Use 3.14 for π and round your answer to the nearest cent.

259. ## environmental science

I need a bit of help in the following question: What are the THREE Environmental risks which you are most exposed to in: a) your lifestyle b) at home c)In school/uni

260. ## Math

Daa brought 3 1/3 yards of fabric. She used 2/3. how much fabric did she used

261. ## english

I decided to try this because a lot of students shout out they agree or do agree with the answer. Does this sentence need a comma before because?

262. ## Math

Help me please to simplify 8 to 8th power x 8 negative 8th power

263. ## math

log10(1.4 x 10-5)

265. ## chemistry

1) You have 300 g of H2O how many molecules do you have?

266. ## Literature

What is the title of a two word poem with 8 letters in the first word and 33 letters in the last word?

267. ## math

how many ways can 3 magazines and 2 newspapers be chosen from 6 magazines and 8 newspapers?

268. ## COMPUTER SCIENCE

What are the most important considerations in planning for navigation within a tutorial?

269. ## English

When you are doing a bibliography and your book shows 15 different cities it was published can you list just the 1st city....can't find the answer. Thanks

270. ## english

what is the purpose of agriculturist??

271. ## civics

which government who gave the license to the shopkeepers?

272. ## rivers and sea

what part of america do you think explores would reach first?

273. ## Math

-36x^2-300=0 solve for x

274. ## math

How can i decipher the following message: Ihcahvgf ikjdq whph ajsparthc oy slh egus slgs slh Kfc Shqsgihjs ukjsgajhc chfaohpgsh gjc kovaktq hxgimfhq ke upymskrpgmly. Ekp hxgimfh, slh Kfc Shqsgihjs ajuftchq mahuhq ke shxs hjupymshc wasl gsogql, g

275. ## math

having troub;e

276. ## Maths

Find the equation of the tangents to (x-2)squad + (y+3)sqaud=16 which parallel to the y-axis