Renee

Most popular questions and responses by Renee
1. Spanish

Describe one similarity and one difference between the musical styles cumbia and vallenato. If somebody could give me some links or anything that would be useful, thanks! :)

2. chemistry

At a given temperature, you have a mixture of benzene (vapor pressure of pure benzene = 745 torr) and toluene (vapor pressure of pure toluene = 290 torr). The mole fraction of benzene in the vapor above the solution is 0.590. Assuming ideal behavior,

3. physics

A small sphere of mass m = 7.50 g and charge q1 = 32.0 nC is attached to the end of a string and hangs vertically as shown in the figure. A second charge of equal mass and charge q2 = –58.0 nC is located a distance d = 2.00 cm below the first charge. (a)

4. Math

Mr. Fairfax ordered 3 large pizzas for a class party. Group A ate 6/6 ( that should look like a fraction) of the first pizza, and Group B ate 8/6 of the second pizza. Did Group A or B eat more pizza? Then later Group C ate all remaining slices of pizza.

5. english 4

How do Midi evil Romances give a glamorous portrayal of castle life in Sir Gawain and the Green Knight, and Morte d'Artur?

6. science

plz help I am in connections academy science 7B unit 1 lesson 8 I am very confused 1. which of earths spheres contains most of its mass? A. atmosphere B. hydrosphere C. geosphere D. biosphere 2. Erosion and weathering are examples of which types of forces

Sullivan's Handbags marks up their bags at 45% of the selling price. Pat Sullivan saw a bag at a trade show that would sell for her customers for \$85. What is the most she would pay for the bag and still retain the 45% markup of the selling price? I came

8. accounting

Express the following comparative income statements in common- size percents and assess whether or not this company’s situation has improved in the most recent year. 5 points) MULAN CORPORATION Comparative Income Statements For Years Ended December 31,

9. Art History

Which of the following best characterizes the new kingdom? A. Political strength and cultural change in Egypt. B. It represents the period when Egyptian culture began to decline. C. It was a period during which the arts thrived despite the political

10. statistics

The MacBurger restaurant chain claims that the waiting time of customers for service is normally distributed, with a mean of 3 minutes and a standard deviation of 1 minute. The quality-assurance department found in a sample of 50 customers at the Warren

11. Physics

Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min. (a) What is the speed of the water leaving the end of the hose? Answer in m/s (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is

12. Chemistry

A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium concentration of FeSCN2+ ([FeSCN2+]std) for this standard solution is assumed to be ____ M. I tried this problem by adding the

13. english 3

How do Sir Gawain and the Green Knight and morte d'Arthur convey a sense of the supernatural

14. Trigonometry

Solve the equation for solutions in the interval 0

15. grammar

Large fish swim (swiftly)in the sea Verb noun adjective adverb im am really confused

16. Chemistry

Alcohol levels in blood can be determined by a redox titration with potassium dichromate according to the balanced equation: C2H5OH(aq) +2Cr2O7-2 (aq) + 16H+(aq)---> 2CO2 (g) + 4 Cr3+ (aq) + 11H2O (l) What is the blood alcohol level in mass perecent if

17. Math

I cannot remember how to figure out this problem. "Ten friends share 3 pizzas equally. What fraction of a whole pizza does each friend get?" Would it be 3/10? Not looking for the actual answer but really how i can figure it out. Thank you!

18. math

The total weekly cost (in dollars) incurred by Lincoln Records in pressing x compact discs is given by the following function. C(x) = 2000 + 2x - 0.0001x^2 (0≤x≤6000) (a) What is the actual cost incurred in producing the 1071st and the 1891st disc?

19. Calculus

The rate of change of the population of a small town is dP/dt=kP, where P is the population, t is time in years and k is the growth rate. If P=20000 when t=3 and P=30000 when t=5, what is the population when t=10? Round your answer to the nearest integer.

20. math

A snail moves 1/40 of a mile in 5/6 of an hour. if the snail continues at this pace, how far, in miles does it move in one hour? is it 1.5/40 in 1 hour idk I am so confused :(

21. Chem

Why can't the water displacement method be used to find the volume of all solids?

22. Physics

Water flowing through a garden hose of diameter 2.77 cm fills a 25.0-L bucket in 1.40 min. (a) What is the speed of the water leaving the end of the hose? Answer in m/s (b) A nozzle is now attached to the end of the hose. If the nozzle diameter is

Pete's Warehouse has a market value of \$5,000,000. The property in Pete's area is assessed at 40% of the market value. The tax rate of \$105.10 per \$1000 of assessed value. What is Pete's property tax?

24. Chemistry

Would there be any effect on the amount of precipitate of CaCO3 if tap water contained Ca 2+ were used? Explain.

25. Biology

Which of the following is the muscle action that results in exhalation and causes the air pressure inside the lungs to be higher than outside the chest a) Contraction of internal intercostals b) Relaxation of the diaphragm c) Contraction of the diaphragm

26. chem.

sodium metal is insoluble in ether. sodium metal dissolves in water to produce a gas. The copper bottom on a frying pan turns black after several heatings. Are these physical or chemical changes..

27. Math

10. A coin is loaded so that the probability of heads is 0.55 and the probability of tails is 0.45, Suppose the coin is tossed twice and the results of tosses are independent. a.What is the probability of obtaining exactly two heads? b.What is the

28. chemistry

1. The first order rate constant for the reaction, SO2Cl2(g) → SO2(g) + Cl2(g), is 2.20 x 10-5 s-1 at 593 K. What percent of a sample of SO2Cl2 would be decomposed by heating at 593 K for (a) 1 hr, (b) 3 hr. How long will it take for half of the SO2Cl2

29. Cost Accounting

Incomplete manufacturing costs, expenses, and selling data for two different cases are as follows. Case 1 2 Direct Materials Used \$ 8,300 (g) Direct Labor 3,000 \$ 4,000 Manufacturing Overhead 6,000 5,000 Total Manufacturing Costs (a) 20,000 Beginning Work

30. math

Mr. Kelly bought 8 dozen hot dogs for the third grade picnic. His pet dog broke into the groceries and ate 14 dogs. If each picnic guest eats one hot dog, how many people can still have a hot dog?

The price of a hamburger increased from \$1.10 to \$1.59. What percent did the price increase?

32. Help!!! Main ideas reading skills

In American society, romantic love is considered the main reason for people to marry. On the other hand, in some societies, romantic love is considered a form of obsession or madness. In fact, even in many societies where "true love" is not considered a

33. Physic

How much energy is required to change a 40 g ice cube from ice at -25°C to steam at 105°C? Answer in J.

34. English

In the short story Homeless by Anna Quindlen what distinction is she making in hjer conclusion with the sentences "They are not homeless. They are people who have no homes"?

35. chemistry

How many grams of ethanol must be added to 500.0 g of water to make a solution that freezes at 0.00 degrees fahrenheit? The molal freezing point depression constant for water is 1.86 degree celsius over moles.

36. Trigonometry

The angle elevation from a point A to the top of the Washington Monument is 32 degrees. From point B, which is not the same line but 55 feet closer to the monument, the angle elevation to the top is 38 degrees. Find the height of the Washington Monument.

37. Chemistry...Attn DrBob222

Thanks for your earlier thoughts. Am still working on the problem and would like to know if you have any thoughts on my approach below: If I have a set of data that gives the apparent partition coefficient as a function of pH, over a range of pH 2-10, how

38. MUSIC...HELP..HOPE THIS IS BETTER

2. A) Jody says that atonal harmony establishes a harmonic center of gravity. Sean says that atonal harmony doesn’t have a harmonic center of gravity. Who is correct? A. Only Jody is correct. B. Only Sean is correct. C. Both Jody and Sean are correct. D.

39. english3

(The Great Gatsby) gatsby stands on the crimson carpet as he learns that tom is in the house. what might the color of the carpet and the placement of his feet mean?

40. Chemistry

Determine the mass of a nonvolatile, nonionizing compound that must be added to 4.68 kg of water to lower the freezing point to 98.70oC. The molar mass of the compound is 50.0 g/mol and the Kf for water is 1.86oC kg/mol. Ignore significant figures for this

2. Jody says that atonal harmony establishes a harmonic center of gravity. Sean says that atonal harmony doesn’t have a harmonic center of gravity. Who is correct? A. Only Jody is correct. B. Only Sean is correct. C. Both Jody and Sean are correct. D.

42. grammar

thousands of (years) ago, fish were caught in nets and traps. Ither a verb prepostion interjection, noun

43. Chemistry 142

suppose a runner completes a 10k (10km) road race in 42 minutes and 23 seconds. What is the average speed miles per hour?

44. math 540

suppose it takes a college student an average of 5 minutes to find a parking space on the schools parking lot. Assume also that this time is normally distributed with a standard deviation of 2 minutes. What time is exceeded by approximately 75% of the

45. Chemistry

The most common source of copper (Cu) is the mineral chalcopyrite (CuFeS2). How many kilograms of chalcopyrite must be mined to obtain 315 of pure ?

46. math

The quantity demanded each month of the Sicard wristwatch is related to the unit price given by the equation below, where p is measured in dollars and x is measured in units of a thousand. To yield a maximum revenue, how many watches must be sold? (Round

47. Chemistry

If the density of gasoline is 0.66 g/ml , how many kilocalories of energy are obtained from 2.7gal of gasoline? note:When 1.0g of gasoline burns, 11,500 kcal of energy are given off.

48. math

in 1990 the life expectancy of males in a certain country was 64.7 years. In 1994 it was 67.3 let E represent the life expectancy in year t and let t represent the number of years since 1990. What is the linear function E(t) that fits the data? what would

49. math

Cassandra bought a dresser for \$500. If the value of the dresser increases 6% annually, what will be the value of Cass's dresser at the end of 3 years to the nearest dollar?

50. chemistry

A solution is made by adding 0.100 mole of ethyl ether to 0.841 mole of ethyl alcohol. If the vapor pressure of ethyl ether and ethyl alcohol at 20oC are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20oC (assuming ideal

51. Physics

In a simulated head-on crash test, a car impacts a wall at 25 mi/h (40 km/h) and comes abruptly to rest. A 120 lb passenger dummy (with a mass of 55 kg), without a seat belt, is stopped by an air bag, which exerts a force on the dummy of 3000 lb. How long

52. calculus

Solve this over the interval [0,2pi): sin(3x)=(square root of 2)/2

53. physic

How much energy is required to change a 40 g ice cube from ice at -25°C to steam at 105°C?

54. Math

If exactly 198 people sign up for a charter flight, Leisure World Travel Agency charges \$308/person. However, if more than 198 people sign up for the flight (assume this is the case), then each fare is reduced by \$1 for each additional person. Hint: Let x

55. English Lit

how would chartering a royal literary society increase the power of France's Louis XIII and Cardinal Richelieu?

56. English

hi i am writing a essay about Books Vs. Movies and i chose movies i need some evidence to prove my point so far i just have that books take a long time to read and movies don't what are some other topics i could include?

57. highlands

there were 149 angelfish and goldfish in an aquarium. there were twice as many guppies as angelfish. after selling 35 goldfish there are half as many goldfish as angelfish. how many fish are left in the aquarium

58. physics

A submarine is at a depth of 96.0 m under the ocean surface. The inside of the submarine is kept at atmospheric pressure. What is the net force being exerted on a circular window of the submarine that has a radius of 35 cm? The density of the ocean water

59. math

Suppose the total cost function for manufacturing a certain product C(x) is given by the function below, where C (x) is measured in dollars and x represents the number of units produced. Find the level of production that will minimize the average cost.

60. Cost Accounting

Case 1 Direct Materials Used \$8,300 Direct Labor 3,000 Manufacturing Overhead 6,000 Total Manufacturing Costs (a) Beginning Work in Process 1,000 Ending Work in Process Inventory (b) Sales 22,500 Sales Discounts 1,500 Cost of Goods Manufactured 15,800

61. MATH

A TRUCK DRIVER DROVE 300 MILES IN 6 3/4 HOURS. hOW MANY MILES PER HOUR DID THE DRIVER DRIVE? 300 X 27/4= 300/1 X 4/27= 1200/27

62. MATH

6. A computer company has two manufacturing plants, one in Rochester and one in Queens. Transporting a computer from Rochester to the retail outlet takes 15 hours and costs \$15, while transporting a computer from Queens to the retail outlet takes 20 hours

63. Physics

A spy satellite is in circular orbit around Earth. It makes one revolution in 5.95 hours. (Radius of the Earth=6.371 106 m) (a) How high above Earth's surface is the satellite? (b) What is the satellite's acceleration?

64. Physics

Two billard balls move toward one another.The balls have identical masses, and the collision is perfectly elastic. The initial velocity of the balls are +30 cm/s and -20 cm/s, what is the velocity of each ball after the collision?

65. HISTORY

If you were going to compare & contrast FDR and LBJ what aspects of their lives would you compare what aspects would you contrast. I am writing a paper on them and what to get some ideas and see what other people think is important, in the end I will

66. SCI 207

How would increasing the proportion of land (sand) to water affect the amount of water vapor released?

67. algebra

The mathematical model C(x)=800x + 20,000 represents the cost in dollars a company has in manufacturing x items during a month. Based on this, how much does it cost to produce 500 items?

68. Geography

Which account of an Azerbaijani demonstration for independence that turned into a riot do you think would be the most reliable? the account in a Soviet newspaper the account of an Azerbaijani protester the account of a Swedish reporter the account of a

69. Economics

What would happen to the price of cheeseburgers if the price of cheese went up? What would happen to the supply curve, demand curve, equilibrium price, and equilibrium quantity?

70. college chemistry

A solution is made by adding 0.100 mole of ethyl ether to 0.841 mole of ethyl alcohol. If the vapor pressure of ethyl ether and ethyl alcohol at 20oC are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20oC (assuming ideal

71. Chemistry

Which of the following gases occupy the smallest volume at STP? a) 1.000 mol carbon dioxide b) 4.032 g H2 c) 35.45 g Cl2 d) 6.022 x 10^23 molecules of O2

72. grammar

In his first inaugural address, President Franklin D. Roosevelt said, "The only thing we have to fear is fear itself." is this correct punctuation?

73. Geography

Which Eastern Asian Country does this describe? Pacific Rim island nation with four main islands. My first thought was Indonesia, but I think it has too many islands to be considered as having "four main islands".

74. Math

F 25 = 75,025 and F 26 = 121,393 where Fn is the nth term in the Fibonacci sequence. Find F27.

75. math- geometry

A dilation with a scale factor of 4 maps figure A onto A'. By what scale factor would another dilation map figure A' back to figure A? is it 1/4?

76. math

four more than the product of 19 and Vanessa's age

Sullivan's Handbags mark up their bags at 45% of the selling price. Pat Sullivan saw a bag at a trade show that she would sell to her customers for \$85. What is the most she could pay for the bag and still retain the 45% markup of the selling price?

78. science

A pound of body fat stores an amount of chemical energy equivalent to 3500 Cal. When sleeping, the average adult burns or expends about 0.45 Cal/h for every pound of body weight. How many Calories would a 126 lb person burn during 7 hours of sleep? (Note

79. Physics

A coin is placed on a record that is rotating at 45 rpm. If the coefficient of static friction between the coin and the record is 0.2, how far from the center of the record can the coin be placed without having it slip off?

80. science

which substace's solubility changes the most from 0 degrees celsius to 100 degrees celsius

81. college

A farmer planted a field of Bt 123 corn and wants to estimate the yield in terms of bushels per acre. He counts 22 ears in 1/1000 of an acre. He determines that each ear has about 700 kernels on average. He also knows that a bushel contains about 90 000

82. Geography

What information would be the most helpful in drawing inferences about why certain countries in Southeast Asia have a large number of Muslims? knowing what countries in the region were colonized by France knowing what countries were ruled by China in the

83. math

Which of the following is not one of the three ways to express a ratio? A.3/4, b. 3:4, c.3 of 4, d.3 to 4

84. math

88 is the product of Rick's score and 8

85. math

sonya spent 2/5 of her money and then had \$18 left. how much money did she originally have?

86. math

An elephant eats about 500 pounds of grass and leaves every day. There are 2 Africa elephants and 3 Asian elephants living in the City Zoo. How many pounds of grass and leaves do the zookeeper need to oreder each week to feed all the elephants?

87. physics

A cannon on a railroad car is facing in a direction parallel to the tracks (the figure below ). It fires a 99-kg shell at a speed of 105 m/s (relative to the ground) at an angle of 60 above the horizontal. If the cannon plus car have a mass of 4.6 104 kg,

88. Physics

A helicopter is flying horizontally at 7.5 m/s and an altitude of 18 m when a package of emergency medical supplies is ejected horizontally backward with a speed of 13 m/s relative to the helicopter. Ignoring air resistance, what is the horizontal distance

89. Physics I'm so Lost!!

For a scene in a movie, a stunt driver drives a 1.90 103 kg pickup truck with a length of 4.09 m around a circular curve with a radius of curvature of 0.333 km. The truck is to curve off the road, jump across a gully 10.0 m wide, and land on the other side

90. physics

A cylinder with a diameter of 23 cm rolls with an angular speed of 0.30 rad/s on a level surface. If the cylinder experiences a uniform tangential acceleration of 0.022 m/s2 without slipping until its angular speed is 1.01 rad/s, through how many complete

91. algebra

Cassandra bought an antique dresser for \$500. If the value of her dresser increase 6% annually, what will be the value od Cassandra's dresser at the end of 3 years to the nearest dollar?

92. Cultural Ant.

What is the meaning of Theoretical approach. Form my homework question my teacher asks me to explain the theoretical approach the author adopts for her investigation. However, I have no idea what a theoretical approach is :(

93. Physics

One of the concrete pillars that support a house is 2.1 m tall and has a radius of 0.35 m. The density of concrete is about 2.2 103 kg/m3. Find the weight of this pillar in pounds (1 N = 0.2248 lb).

94. Algebra!!

1.a swimming pool has a radius of 10 feet and a height of 4 feet. What is the volume? 2.What is the volume of a soup can with a radius of 4cm and a height of 16cm? 3.What is the volume of a triangular prism with a length of 10cm a width of 15cm and a

95. Chemistry

The number of moles of hydrogen gas present in a 1,500 mL container at 298 K and 2.0 atm pressure is?

96. math

convert the numeral to a numeral in base 10 43 5

97. Physics

A stone of mass 0.29 kg is tied to a string of length 0.55 m and is swung in a horizontal circle with speed v. The string has a breaking-point force of 85 N. What is the largest value v can have without the string breaking?

98. Physics

A spy satellite is in circular orbit around Earth. It makes one revolution in 6.05 hours. (Radius of the Earth=6.371 106 m) (a) How high above Earth's surface is the satellite? What is the satellite's acceleration

99. science

What is the kinetic energy of a 14 kg dog that is running at a speed of 9.0 m/s (about 20 mi/h)