Bree

Most popular questions and responses by Bree
1. calculus

Find the domain for the particular solution to the differential equation dy dx equals the quotient of 3 times y and x, with initial condition y(1) = 1.

2. calculus

R is the first quadrant region enclosed by the x-axis, the curve y = 2x + a, and the line x = a, where a > 0. Find the value of a so that the area of the region R is 18 square units.

3. Math 10

A trundle wheel can be used to measure the walking distance between two locations. a) If the diameter of a trundle wheel is 45 cm, how far will a person have walked when the wheel makes one full rotation? b) If a person walks for 0.7 km, how many times has

4. Social studies

Can someone check my answers if there wrong can you give me the right answers please 1, What was one reason for the formation of the Democratic Republican Party? Washington's cabinet members wanted to form a new party to strengthen the federal government

5. Math

3/4 of a puzzle in 7/8 hours What's the unit rate?

6. History

Which best describes the political relationship between oil-producing states and their consumers? The government of an oil-producing state has a vested interest in protecting the governments of consumer states. The government of a consumer state has a

7. Chemistry

When 4.0 mol of CCl4 reacts with an excess of HF, 3.0 mol of CCl2F2 (Freon) is obtained. The equation for the reaction is CCl4(l) + 2HF(g) --> CCl2F2(l) + 2HCl9g) State which of the statements are true about the reaction and make the false statements true.

8. World History

Which accurately describes the involvement of the Catholic Church in medieval European governments? A: The Catholic Church forced European lords and barons to spare extra lands for peasant farmers. B:The rules and rituals of the Church guided the

9. PHYSICS 1301 (COLLEGE)

A box of unknown mass is sliding with an initial speed vi = 5.10 m/s across a horizontal frictionless warehouse floor when it encounters a rough section of flooring d = 4.20 m long. The coefficient of kinetic friction between the rough section of flooring

10. optical circuits

Two 1-km fibers are spliced together. Each fiber has a 5-dB loss, and the splice adds 1 dB of loss. If the power entering is 2 m W, then how much power is delivered to the end of this combined transmission line?

11. Civics

New Zealand is a country in which the legislature chooses the nation, executive leaders. This is an example of which kind of government? A. Democracy . B. Federation. C. Parliamentary . D. Monarchy. I say A.

12. Chemistry

A 50 gram sample of liquid water at 25 degrees C is mixed with 29 grams of water at 45 degrees C. The final temperature of the water is...?

13. PHYSICS 1301 (COLLEGE)

As shown in the figure below, two masses m1 = 4.10 kg and m2 which has a mass 50.0% that of m1, are attached to a cord of negligible mass which passes over a frictionless pulley also of negligible mass. If m1 and m2 start from rest, after they have each

14. Physics

Two buckets of sand hang from opposite ends of a rope that passes over an ideal pulley. One bucket is full and weighs 110 N; the other bucket is only partly filled and weighs 50 N . Initially, you hold onto the lighter bucket to keep it from moving. What

15. Chemisty

Based on equation: 2MnO4¬¬(-) + 6H(+) +5H2O2 → 2Mn(2+) +8H2O + 5O2 A 50.0 mL solution of hydrogen peroxide of unknown concentration was diluted with 1.00L of water. 25mL of this diluted solution was then titrated with acidified potassium permanganate;

16. World Geography

1. The Polish economy began to grow in the 1990s because the government A. built more state-owned factories. B. controlled prices better.

17. chemistry

CS2+3O2 --> CO2+2SO2 What is the volume of sulfur dioxide, in milliliters,produced when 27.9 mL O2 reacts with carbon disulfide

18. chemistry

Delta H is given and is-6186.0 Calculate the difference, deltaH-deltaE=delta(PV) for the combustion reaction of 1 mole of methyl octane. (Assume standard state conditions and 298 K for all reactants and products.)

19. chem132

When 15.0 g of ethyl alcohol, C2H5OH, is dissolved in 750 g of formic acid, the freezing point of the solution is 7.20 C. The freezing point of the pure formic acid is 8.40 C. Evaluate Kf for fomic acid.

20. calculus

If the graph of f " (x) is continuous and has a relative maximum at x = c, which of the following must be true? The graph of f has an x-intercept at x = c. The graph of f has an inflection point at x = c. The graph of f has a relative minimum at x = c None

21. Personal Finance

Janice Jacobs is planning for her retirement. She knows what assets and liabilities she has now and expects to have in the future. She knows what her spending patterns are likely to be and adjusted them for inflation. She also has identified all of her

22. World Geography

1.The physical feature of Western Europe where most major cities are found is called A. the plains. B. the glacier.

23. Chemistry

A sample of gas collected over water at 42 C occupies a volume of one liter. The wet gas has a pressure of 0.986 atm. The gas is dried, and the dry gas occupies 1.04 L with a pressure of 1.00 atm at 90 C. Using this information, calculate the vapor

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. Math

Find each sum or difference 1. 5/10 - 3/10 2.1/2 + 3/4 3. 1/6 + 3/8 4. 7/8 - 5/12 5. The sum of two numbers is 7/8. One addend is 3/4. What is the other

26. math

calculate the mass (in SI units) of a 150ib human being? m= Calculate the weight ( in English units) of a 200kg rhino m=

27. math (interests & percentss)

i need help with these problems below ! mike deposited \$500 for 9 months at 8%, compounded quarterly. a. how many times was interest added to mike's account? b. what percent interest was added each time? c. what was the balance in mike's account at the end

28. Physics

A 115 kg astronaut on a space walk pushes against her space capsule that has mass 2250 kg. The astronaut accelerates 1.50 m/s2, 0°. (a) Find the force exerted on the astronaut. (b) Find the force exerted on the capsule. (c) Find the acceleration of the

29. southwest asia

which of the following is necessary for large-scale farming to take place in southwest asia? a. use of fossil waters b. dams and irrigation systems c. desalinization and water treatment processes d. water from and oasis

30. Civics

1. Who has the power and the United States to declare war? A. President. B. the senate. C. Secretary of state. D. Congress . 2. Which of the following issues relates most to domestic policy? A. Education. B. treaties. C. War. D. Military. 3. Which of the

31. Science

If a radioactive isotope has half life of 5 days,how long will it take for its radioactive strength to be a maximum of one thousandth,(1/1000) of its original value?

32. Chem

How many deciliters of carbon dioxide are produced when .38L of SO2 is formed?? Thanks :)

33. Math

harmonic motion : y=(1/12)(cos8t-3sin8t)

34. Economics

The price of cranberry juice suddenly increases. As a result, Glenda begins drinking more grape juice, which is less expensive, but tastes just as good to her. In this case, Glenda’s elastic demand is due to A. availability of substitutes. B. relative

35. statistics

The time to fly between New York City and Chicago is uniformly distributed with a minimum of 120 minutes and a maximum of 150 minutes. What is the standard deviation?

36. geography

i have a slide presentation due on monday and i have one slide left but i cant find anything at all on it. the slide is “economic problems in pakistan and solution”

37. Geometry

A swimming pool is a rectangular prism. Estimate the volume of water in the pool in gallons when it is completely full (Hint: 1 gallon = 0.134 ft^3 ((feet cubed)) ). The density of water is about 8.33 pounds per gallon. Estimate the weight of the water in

38. Teacher aide

I'm having trouble with this question. Why would you mount an overhead transparency in a cardboard frame? A to make copies of it B to color it C to add overlays D to project it onto a screen Can someone please help me.

39. Physics

A ball thrown horizontally at 22.2 m/s from the roof of a building lands 35.0 m from the base of the building. How high is the building? I have no idea how to even start this problem. Please help!

40. Music

if a dot was added to a quarter note in 4/4 time, how many beats is the note worth???

41. Civics

A major US trade partner has gone to war with its neighbor. It's leader asked the United States for help. Which of the following statements is true about how the president will react? A. He will make a decision based on only his own feelings about the war.

42. accouting

Harris Fabrics computes its predetermined overhead rate annually on the basis of direct labor-hours. At the beginning of the year, it estimated that 37,000 direct labor-hours would be required for the period’s estimated level of production. The company

43. Civics

Two advantages of a confederation are that it ____ and ____. A. Prevents abuse of power by a national goverment ; preserves local identity. B. Concentrates power in state governments; make national goverment too weak to meet local needs C. Prevents abuse

44. Teacher

I just want to make sure I have this question correct. If you want to check out free audiovisual materials, where would you go? A video store B art supply store C teacher supply store D county instructional materials center I think D, can someone tell me

45. Calculus

Find the length of the intercepted arc with radius 2.5 cm and a central angle of 95 degrees

46. Economic

1.The most important tool the Fed has to control the money supply is a. changing the federal funds rate. b. changing the required reserve ration. c. open market operations. d. changing the discount rate 2. Banks use their excess reserves to a. make new

47. Chemistry

How many moles of magnesium chloride are in 5.43 x 10^24 formula units of magnesium chloride?

48. Civics

"Blake DuBois is a decorated veteran and Purple Heart recipent. In his six years as a state senator, he has passed legislation to cut down on government waist. All the while, he's the family values candidate and has been tough on crime." Which Is the most

49. Finanace HELP!

Below is what I have available to solve current assets. I would like to solve how much cash is available to the company as well. How much cash does the company have? If the current liabilities are \$2,575, what are the current assets? • Net worth \$17800

50. physics

An airplane with a speed of 46.4 m/s is climbing upward at an angle of 44° counterclockwise from the positive x axis. When the plane's altitude is 700 m the pilot releases a package. (a) Calculate the distance along the ground, measured from a point

51. federal tax

Carl bought a heavy-duty truck (5-year class recovery property) for his business service on April 30. The truck is not considered a passenger automobile for purposes of the listed property and luxury automobile limitations. The truck has a depreciable

52. Math (Trig)

A clock tower has been constructed such that the center of the clock is 40 feet above ground. The minute hand on the clock is 3 feet long. How far above the ground the end of the minute hand at 12:05? 1:00?

53. Chemistry

A 72.2 g ice cube floats in the Arctic Sea. The temperature and pressure of the system and surroundings are at 1 atm and 0°C. Calculate ΔSsys, ΔSsurr, and ΔSuniv for the melting of the ice cube. (The molar heat of fusion of water is 6.01 kJ/mol.)

54. Physics

An arrow is shot straight upward at 55 m/s. a) find the time until the arrow reaches its peak b)how high was the arrow at its peak c)find the total time the arrow is in the air d)what was the velocity of the arrow after 3.5 seconds e)how high was it at 3.5

55. language arts

choose the analogy who's relationship best resembles the relationship as the analogy in capitol letters. STRANGE:GROTESQUE:: a. sporadic: constant b. naughty:malevolent c. blue:azure d. prudent: careful

complete and simple subjects for " Many stories about valentine's Day exist."

What is the complete subject and simple subject for the sentence " Valentine's Day has an interesting history."

58. CHEMISTRY

the grams of sugar (carbohydrate) in a can of cola that has 150Cal and no fat and no protein Express your answer to two significant figures and include the appropriate u

59. Economics

The price of cranberry juice suddenly increases. As a result, Glenda begins drinking more grape juice, which is less expensive, but tastes just as good to her. In this case, Glenda’s elastic demand is due to i think is a but im not sure

60. Physics

An arrow is shot straight upward at 55 m/s. a) find the time until the arrow reaches its peak b)how high was the arrow at its peak c)find the total time the arrow is in the air d)what was the velocity of the arrow after 3.5 seconds e)how high was it at 3.5

61. science

Compare optical telescopes and radio telescopes. What are the advantages of using a radio telescope over an optical one? All I can think of is, that radio telescopes can be used in any form of weather and optical telescopes can't. I'm not sure if that is

62. teaching

Collecting tickets and money from students, encouraging good manners, and helping with cleanup are tasks associated with which duty? A Monitoring the playground B Monitoring the lunchroom C Monitoring the halls D Monitoring the in-school suspension room I

63. calculus

How do you solve the initial value problem? (dy/dx)-2y+4=0, y(1)=4

64. Math

How do I put this into Vertex form? y=6x^2+7x+5

65. English and Language Arts

Which of the following would you find in the new English and Language Arts curriculum guidelines? A: An oral language program only at the primary grades B: A phonics program at all grades C: A writing program at all grades D: A study of core literacy works

66. algebra

Choose the equation that best represents an ellipse for the given foci and co-vertices. foci (+or- 3,0) co-vertices (o, + or- 6)

67. teacher aide

When are children first developmentally ready to begin a formal study of history? A Kindergarten B Middle grades C Junior high D High school I need help I think its A Kindergarten can someone tell me if I have it right. Thanks

68. algebra

a basketball player shoots 70% of freethrows he has a 1 an 1 what is the probability of him shooting o,1,2 points

69. science

What is a punnet square and how do you figure out questions regarding a punnet square

70. math 9th

If RS= 20, UT = x + 10, RU = y + 3, and ST = 15, find the values of x and y. x = 10, y = 12 x = 30, y = 18 x = 5, y = 17 x = 23, y = 25 Cant figure this out just explain, try not to give me the answers!!! P.S. you guys and gals are incredible, very nice!!!

73. Algebra

Find the equation of the circle when the center is at the origin and the radius is 6. Thanks!

74. Algebra

Knowing the given conditions, write the equation of the circle. Center at (4,2) and the circle passes through (-1,-1). Please help!

75. Communications

True or False: When people are aware of both the positive and negative characteristics of another, they tend to be more influenced by the undesirable traits.

76. Biology

What is the reaction that creates polysaccharides? What covalent bond forms between 2 sugars? Which is the main group involved in this bond formation? I've been reading my book for hours and I can't find the answer to this

77. Math

1.-1/2+1/3= 2.-3 1/5+(-6 1/2)= 3.5/8-(-2/8)= 4.-9/10- 2/5 5.6 3/5-(-2 1/5)=

78. Algebra 2

The sum of two numbers s 96, and their difference is 17. What is the larger of these two numbers ?

79. Accounting

If the net income is \$50000, and the cost of goods sold is \$450000. the company's gross profit rate is 40% what are the net sales??

80. Math

A pizza parlor has 3 diffrebt crusts and 3 diffrent cheeses and 7 diffrent toppings . How many combinations are on a pizza with 3 topings 1 crust and 1 cheese ? Help please I got 42 and then was told I was wrong

81. Language arts

Not sure if I'm correct . 2. What do facial features in the poem diondra Jordan symbolize ? A.the part of each person that's similar to ones relative .B. The part of each person that is uniquely ones own . C. The part of each that one wishes one could

82. Physics

An arrow is shot straight upward at 55 m/s. a) find the time until the arrow reaches its peak b)how high was the arrow at its peak c)find the total time the arrow is in the air d)what was the velocity of the arrow after 3.5 seconds e)how high was it at 3.5

83. logic

Reporter: A new campaign finance reform bill being considered by Congress would limit the amount of campaign contributions that political candidates can receive. However, a survey of candidates running for mayor, governor, and senate seats shows that not

84. math

Find the domain of the composite function f of g. f(x)=3/x-6; g(x)= 1/x please help and show the work as well.

85. Maths Fractions

write two equilvalent fractions for 3/15.

86. algebra

its graph opens upward and its vertex is at the origin. give an example of a quadratic function.

What are the complete and simple subjects in the sentence " Mrs.Marcus told the class about Valentine's Day."

88. physics

Brandon throws a flying disc with a force of 8 N. If the disc has an acceleration of 4 m/s2, what is the mass of the disc?

90. Algebra

Write the equation of the circle. Center at (4,2) and the circle passes through the point (-1,-1). Please help!

91. Math

1. 5/6 x10 2. 3/7 x 2/3 3. 5/8 x 2/3 4. 3 3/4 x 2 2/3 5. 2 5/6 x 1 7/8 Can anyone help me please

92. algebra

7/20x^3y^5,1/30 x^6y^4 find lcd do not combine fractions

93. Math

Each of the following objects have been measured with inappropriate units. Convert them to more suitable units. (Please check my work and see if the units are correct for the situation?) a) The thickness of a dime is 0.00122m 0.00122m*100cm/1m = 0.122cm b)

94. Chem

? → 99mTc + β

95. Chem

? → 99mTc + β

Sec (23π/6)

97. Science

How are precipitates used in industry?

98. Teacher aide

I'm stuck on this question. Could someone help me please. Which of the following would you find in the new English and language arts curriculum guidelines? A An oral language program only at the primary grades B A phonics program at all grades C A writing

99. Science

If a blood cell is placed in distilled water, what would the water be decribed as? hypotonic or hypertonic solution?