# wanda

Most popular questions and responses by wanda
1. ## IB Math SL

The triangle ABC is defined by the following information. Vector OA = (2, -3), vector AB = (3, 4), AB and BC are perpendicular, and vector AC is parallel to (0, 1). Draw a diagram of triangle ABC. Write down the vector OC.

2. ## Physics

At the instant a race began, a 60-kg sprinter exerted a force of 669-N on the starting block at a 24 angle with respect to the ground. If this force was exerted for 0.44-s, with what speed (in m/s) did the sprinter leave the starting block?

3. ## Math 209

The width of a rectangular carpet is 7 meters shorter than the length, and the diagonal is 1 meter longer than the length. What are the carpet's dimensions?

4. ## trig

1. 3cot^2 (x) - 1 = 0 My answer: pi/3, 2pi/3, 4pi/3, 5pi/3 2. 4cos^2 (x) - 1 = 0 My answer: pi/3, 2pi/3, 5pi/3, 4pi/3 3. 2sin (x) + csc (x) = 0 My answer: unknown lol i got to the part: sin^2 (x) = -1/2 4. 4sin^3 (x) + 2sin^2 (x) - 2sin^2 (x) = 1

5. ## Science

Ethanol has a density of 0.789 grams per centimeter ubed. How many cubic centimeters of ethanol must be poured into a graduatedcylinder to equal 30.3 grams?

6. ## math

Jocelyn borrowed 3.75 kg of flour from her grandmother to bake 3 batches of cookies and 2 cakes. Each cookie recipe called for 225 grams of flour. Each cake recipe needed 1.2 kg of flour. After baking, how much flour was Jocelyn able to return to her

7. ## Physics

A 0.471-kg hockey puck, moving east with a speed of 8.17 m/s, has a head-on collision with a 0.795-kg puck initially at rest. Assuming a perfectly elastic collision, what will be the speed of the 0.795-kg puck after the collision?

8. ## Physics

If a 1.0m crowbar is placed uner a 143 kg rock at a point 20.0cm from the end of the bar, what is the IMA of the crowbar?

9. ## Physics

What should be the spring constant k (in N/m) of a spring designed to bring a 1105-kg car to rest from a speed of 69-km/h so that the occupants undergo a maximum acceleration of 3.8g's?

Thomas Rendell's company pays him a straight 7% commission with a \$1,570 drawing account each month. If his sales last month totaled \$142,280, how much commission is owed to Thomas?

11. ## Math

Ms. Taylor has a budget of \$1500 to spend on a table and 6 chairs. The total price she spent was \$249 under her budget. The table costs 3 times more than a chair. What was the price of the table?

12. ## physics

A block has a mass m=6.9-kg and lies on a fixed smooth frictionless plane tilted at an angle of 24.4 to the horizontal. Determine the acceleration (in m/s2)of the block as it slides down the plane.

13. ## Physics

A steel wire 2.7-mm in diameter stretches by 0.211 percent when a mass is suspended from it. How large is the mass in kg?

14. ## math

Suppose that people's heights (in centimeters) are normally distributed, with a mean of 170 and a standard deviation of 5. We find the heights of 80 people. (You may need to use the standard normal distribution table. Round your answers to the nearest

15. ## Physical Science

A 2.9-kg pile of aluminum ( = 2.70 g/cm3) cans is melted, and then cooled into a solid cube. What is the volume of the cube? a. 931 cm3 b. 1074 cm3 c. 1365 cm3 d. 889 cm3 Thank you!

16. ## Elementary Algebra

The perimeter of a soccer field is 280yd. The width is 5yd more than half the length. Can you help me with the formula to solve this problem?

17. ## Physical Science

A car of mass 900 kg moves at 10 m/s. What is the braking required to stop the car in a time of 5 seconds

19. ## math

find the product of 5.2 x10^3and 6.5 x10^7

20. ## college

why would you use the Turkey-Kramer procedure

21. ## acids and bases

Is everything an acid or a base? it totally depends. It depends on how you define an acid and base. In water systems, yes. But in non water solutions...say oil mixed in gasoline....pH has no meaning. Why acids act in similar ways?

22. ## calculus

Find an equation of the tangent line to the graph at the given point. (The graph is called a Witch of Agnesi.) f(x)= 7 / x^2 + 3 (2,1)

23. ## vocabulary

denotative definition are also known as connotative,derect,inderect or none of the above definitions?

Mike Drago took out a loan for \$3,800 at the Gold Coast Bank for 280 days. If the bank uses the ordinary interest method, what rate of interest was charged if the amount of interest was \$278? Round your answer to the nearest tenth of a percent.

25. ## Bus. Math

The Soft Step Floor Co. Purchases carpeting for \$5.12 per square yard and marks it up 55% based on the selling price. What is the selling price per square yard? Round to the nearest cent

26. ## Finance

Explanation on how to work this problem. Claire has invested \$10,000 in a 15 month CD that pays an annualized rate of 9.02% . How much interest will Claire receive at maturity?

27. ## Math 208

Grade Average A student scores 65 and 82 on two different 100-point tests. If the maximum score on the next test is also 100 points, what score does the student need to maintain at least an average of 70?

28. ## Topic on Florida

My daughter is in fifth grade & she is required to do a five minute oral report on Oranges from Florida with props. Do you have any ideals?

29. ## Science

Which of the following procedures increases the average kinetic energy of the molecules in a beaker of water. 1. heating water from 0 degrees C to 100 degrees C. 2. Cooling steam at 100 degrees C to ice at 0 degrees C. 3. Changing ice at 0 degrees to

30. ## MATH

The time (t, in seconds) for a free-falling object to fall d feet is described by the mathematical formula: t=d over the square root of 16 If a worker accidentally drops a hammer from a building and it hit the ground 4 seconds later, from what height was

I completed a problem where there was a \$7855.00 note at the bank that charges a 14.3 % discount rate. The loan is for 190 days. I found the proceeds to be \$7268.31 and the effective rate charged by the bank to be 15.29 %. How do I determine how much money

32. ## alegrebra

. Suppose you are at the gas station filling your tank with gas. The function C(g) represents the cost C of filling up the gas tank with g gallons. Given the equation: ￼ a) What does the number 3.03 represent?

33. ## Bus. Math

What payment should be made on an invoice in the amount of \$3400 dated August 7 if the terms of the sale are 3/15,2/30,n/45 and the bill is paid on August 19 and September 3

34. ## Chemistry

Please explain how to set this problem: A solution has a density of 1.73 g/ml. If it's weighs 4.3 ounces, what is the volume. ?

35. ## college algebra

2a^2-3a=20 solve for a

36. ## Math 208

Question number 5 is talking about a public four-year college. So we know this: 2000-\$3,500 2001-\$3,700 2002- ? 2003- ? 2004-? 2005-\$5,100 Repeating exercise 1-4 it is talking about private four-year college. So we know this: 2000-\$16,200 2001-\$17,300

Consider the cultural differences inherent in global business as well as the geographic obstacles of home office and remote locations being in different countries

38. ## IB Math SL

Find a unit vector which is perpendicular to both of the vectors 4i + 2j - 3k and 2i - 3j + k.

39. ## Microeconomics

Choose an international company. what are the characteristics that make this company different from domestic companies

40. ## college algebra

solve for x -4/3x-1

41. ## college algebra

(2x^3)^3/(-3x^5)^2

42. ## Intermediate Algebra

A 6-foot man cast a shadow of 2.5ft. At the same time of the day, a tree cast a shadow of 25 ft. How tall is the tree?

43. ## financial Matters

I need help in understanding this question given by my instructor. I have posted this question to her, three days ago and not getting any response. Please help!! What is meant by short-term bank notes and how does it apply for permanent financing at

44. ## science

How many times has the United States been to the moon? It depends on what you mean "been" to the moon. Man and unmaned? Explorer probes? You can get an idea by counting the junk left behind.

45. ## Human Relations

Think of two or three informal groups that you are currently a part of or have been in the past

46. ## Personal Finance

Claire earned \$9000 in a 15 month CD that pays an annual 8.67% . How much did Claire earn with this? Could you show me the steps to the answer

47. ## Finance

Sue how did you get the 0.05 % on my last question. And here is another problem. Claire is depositing \$14,000 in a 24 month CD that pays an annualized rate of 3.85%. How much will Claire receive at maturity.

48. ## chem

the density of mercury is 13.5g/cc what volume of mermury would have a mass of 100g?

49. ## math

What is the process to list all numbers for which rational expression is undefined? Ex: y-3divided y+5

50. ## Math

Right Triangle one leg is 400ft. long. The hypotenuse of the triangle is 200ft. longer than the other leg. What is the dimensions of this triangle?

51. ## Algebra 208

Cost of Tuition In 2000, the average cost of tuition and fees at private four-year colleges was \$16,200, and in 2005 it was \$20,100. Sketch a line that passes through the points (2000, 16200) and (2005, 20100).

52. ## statistics

determine the probability that a sample of 49 boxes will have a mean weight below 365 grams. past records show that the population mean is 368 grams and the population standard deviation is 7. the probability will be between.

53. ## Math 209

If C dollars are deposited in an account paying r percent annual interest, approximate the amount in the account after x years if C=\$150, r= 1.9% and x=25 years

54. ## Math 209

A particular rat given n trials in a maze can run through the maze in t minutes, where: t=6+_20__ n+2 How many trials are needed so that the rat can run through the maze in exactly eight minutes?

55. ## college math

how many grams of NaOH are needed to make a 30% w/w solution using deionized water as the solvent

56. ## Com170

Analyze why one paragraph was more effective than the other. In my analysis, compare the sentence structure, word choice, punctuation, variety, and the rhythm of both paragraphs. Most consumers understand that a good credit score is vital to one's

57. ## financial Matters

I need help in understanding this question given by my instructor. I have posted this question to her, three days ago and not getting any response. Please help!! What is meant by short-term bank notes and how does it apply for permanent financing at

58. ## sociology

How does the mass media play a role in socialization? Consider the last time you viewed a television show, a movie, listened to a radio broadcast, or read an article from a newspaper or journal. Who was the intended audience? What factors might determine

help with the story bernice bobs her hair

60. ## Science

How are the functions of a human cell different to the functions of a computer?

3x - y = -4

62. ## mechanics of commun

can you please identify the verb, complete verb phrase, sentence pattern, the subject, indirect object, direct object, complement, infinitive or prepositional phrases or clauses for the sentence, "Ms. Georges and I submitted purchase requisitions."

At issue in the twenty-first century is the trade-off between the necessity of writers, musicians, artists, and movie studios to profit from their work and the free flow of ideas for the public benefit. Movie (and music) industry participants claim that

64. ## Intermediate Algebra

solve for q: 1 = 1+ 1 __ __ __ f p q

65. ## algebra

how to graph point-plotting method this equation? x=y^2 + 2

66. ## Elementary Algebra

I need help setting this problem up? AT&T one rate 10cents nation wide direct plan for \$2.99 a month plus 10cents per minute. Quest 5cent long distance plan for \$4.99 per month plus 5cents per minute. For what number of minutes per month will the two plans

67. ## Elementary Algebra

How do you solve by elimination this linear equation? 8x-3y=-6, 5x+6y=75

68. ## Physics

A 2 kg mass hangs at rest from a spring that causes a displacement of 25cm. What is the spring constant, k, for this spring?

69. ## human behavior at work

both philosophy and visions are somewhat hazy concepts.How can they be made clear to employees?why are philosophy and vision included as early elements in the organizational behavior system?give an example of an organizational vision that you have read

70. ## Math 208

x=3y+2 Write the equation in slope–intercept form. (b) Give the slope and y-intercept of the line

71. ## statistics

minnie went to union high school while mickey went to southern high school. both schools have equally challenging classes, class size, grading policies, etc. the one difference is in their year end tests. the union high test is out of 100 points, whereas

72. ## Math

How much do I have to save monthly at a 3.5% interest compounded quarterly to get a final amount of \$4000?

73. ## Chemistry

A certain classification test calls for 5 mL of 1.2 M NaOH. The only concentration of NaOH solution available is 3.0 M. Describe how you would make the quantity that you need of the 1.2 M NaOH solution.

74. ## Chemistry

Describe how you could make approximately 5 g of a 3% (w/w) ferrous ammonium sulfate solution

75. ## statistics

the average patient lasts 45 minutes on the tilt table. the current patient only lasted 15 minutes. if the standard deviation is 5 minutes. The Zscore that represents the current patients time of 15 minutes should be.

76. ## Math 209

A particular rat given n trials in a maze can run through the maze in t minutes, where: t=6+20 n+2 How many trials are needed so that the rat can run through the maze in exactly eight minutes?

77. ## Math209

A particular rat given n trials in a maze can run through the maze in t minutes, where t=6+20/n+2. How many trials are needed so that the rat can runthrough the maze in exactly eight minutes?

78. ## Axia

4. A customer wants to make a teepee in his backyard for his children. He plans to use lengths of PVC plumbing pipe for the supports on the teepee, and he wants the teepee to be 12 feet across and 8 feet tall (see figure). How long should the pieces of PVC

79. ## Univesity of Phoenix

With which of the motivation theories do you agree most? With which of the theories do you agree least? Explain your position.

80. ## college

why is the population shape a concern when estimating a mean

81. ## science

some insects get their nutrients by sticking a needlelike mouth part into a plant. which vessel do you believe they are tapping?

82. ## Algebra

3Sqrt-24x^10yY^8

83. ## Statistics

The data set for our course is a sample of a survey conducted on the population of the American Intellectual Union (AIU). It is available via the following link: DataSet with DataSet Key which contains the following nine sections of data that will be used

84. ## financail accounting

Palomar Paper Products purchased land in 1990 for \$15,000 cash. The company has held the land since that time. In 2008 Palomar purchased another tract of land for \$15,000 cash. Assume that prices in general increases by 60 percent from 1990 to 2008. a.

85. ## fiancial accounting

Palomar Paper Products purchased land in 1990 for \$15,000 cash. The company has held the land since that time. In 2008 Palomar purchased another tract of land for \$15,000 cash. Assume that prices in general increases by 60 percent from 1990 to 2008. a.

86. ## math

W decreased by 7

87. ## math

Select the expression that represents the statement "27 more than a number

88. ## Finance

Paul's credit card closes on the 14th of the month and his payment is due on the 25th . If he purchases a \$300 stereo on the 18th , how many interest days will he have? I need the answer and how you answered it? Thank you so much!

89. ## Finance

How do you figure out these kind of problems. Lisa is depositing \$2700 in a 6 month CD that pays 3.71% interest. How much will she accrue if she holds the CD till maturity?

90. ## Computers

What is the name of a personal digital assistant in apples smart phone

91. ## algbra

perform the given set operation. let u={1,2,3,4,5,6,7,8,9,10} {x[xis a multiple of 2}u {x is the multiple of 3}

92. ## Stats

The probability of a child getting coal in their stocking is 0.2. If Santa visits 3 kids on Christmas day a) what is the probability of 2 children getting coal? b) 1 or fewer children receiving coal? Please help me - my brain is fried!

93. ## math

is 17 - 6 >= 9 equivalent to 9

94. ## Physical Science

if a blue object is placed in front of the screen, what color will it be? explain the answer.

95. ## Intermediate Algebra

The speed of a boat in still water is 29mph. if the boat travels 140mph downstream in the same time that it takes to travel 92miles upstream, find the speed of the stream.

96. ## Intermediate Algebra

i^59 and 4 ____ 3+5i

97. ## Intermediate Algebra

x+8 X+5 __________ _ ___________ X^2-10x+21 x^2-3x-28 Subtract, then reduce if possible

98. ## Arts & Design

What is Veriety

99. ## Elementary Algebra

Can you help me solve this problem by elimination? 4x-2y=16 5x+7y=1