# Wanda

Popular questions and responses by Wanda
1. ## 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?

2. ## 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)

3. ## 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. ?

4. ## 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

5. ## 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.

6. ## 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?

7. ## 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

8. ## College Math

Why is the product of two numbers not always their least common multiple?

9. ## 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?

10. ## college math

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

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?

12. ## 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

13. ## 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?

14. ## college algebra

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

15. ## 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?

16. ## 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.

17. ## 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.

18. ## Chemistry

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

19. ## Chemistry

Describe how you could make 5 mL of 2M potassium hydroxide solution if you have potassium hydroxide pellets available.

21. ## 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

22. ## 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

23. ## IB Math SL

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

Young, innovative, or high-tech firms often adopt the strategy of ignoring history or attempting to do something radically new. In what ways might this strategy help them? In what ways might this strategy hinder their efforts?

25. ## Microeconomics

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

26. ## 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?

27. ## 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?

28. ## 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.

29. ## vocabulary

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

30. ## Human Relations

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

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.

32. ## math

W decreased by 7

33. ## 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

34. ## 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

35. ## math

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

36. ## 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!

37. ## 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."

38. ## 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?

39. ## 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.

40. ## 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?

41. ## Computers

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

42. ## chem

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

43. ## 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}

44. ## 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!

45. ## math

is 17 - 6 >= 9 equivalent to 9

46. ## Physical Science

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

47. ## 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

48. ## 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?

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

50. ## college algebra

solve for x -4/3x-1

51. ## college algebra

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

52. ## Intermediate Algebra

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

53. ## 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.

54. ## 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?

55. ## Intermediate Algebra

i^59 and 4 ____ 3+5i

56. ## Intermediate Algebra

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

57. ## Arts & Design

What is Veriety

58. ## algebra

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

59. ## Elementary Algebra

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

60. ## Elementary Algebra

How do I figure out whether or not (-1,-2) is a solution for the system. y=3x-1 2x+y=4

61. ## 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

62. ## Elementary Algebra

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

63. ## Elementary Algebra

How do I solve the system of equations by graphing? example:4x+y+2, x= 1/2+5

64. ## Elementary Algebra

Simplify:2x-9 Divided by 9-2x

65. ## Elementary Algebra

I need an explanation on how to work out negative exponents. Example: (3a^-2b^3)^-2

66. ## math

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

67. ## Math

Engine failure forced Robbin to pilot her Cessna150 to an emergency landing. TO land, Robbin's plane glided 17,000 ft over a 15,000-fot stretch of deserted highway. From what altitude did the descent begin?

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. ## algebra

2.) Use algebra to find the value of a in the triangle when x=a, y=2a, z=3a. Notice the measurement of the angle is not necessarily the as the value of a.

70. ## math

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

71. ## human behavior at work

examine the trends in the models of organizationalbehavior as they develop over a period of time. why have the trends moved in a positive direction?

72. ## 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

73. ## Statistics

If a researcher were studying the effects of a teaching method on patient learning outcomes, how would the research question need to be worded to use a t-test to test for statistical differences? What would the null and alternative hypotheses be?

74. ## 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

75. ## Math 208

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

x=3y+2

77. ## 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).

78. ## 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?

79. ## 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

80. ## statistics

the mean of all possible means(when dealing with a sampling distribution) will be equal to the population mean.

81. ## statistics

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

82. ## Math

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

83. ## 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.

84. ## 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

85. ## 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?

86. ## 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?

87. ## 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?

88. ## 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?

89. ## 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!

90. ## Accounting 1

what is the name of a comparison of the general ledge accounts with debit balances to the general ledger accounts with credits blances to make sure they equal the same?

91. ## 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?

f(x)=-4x-9

93. ## 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

94. ## 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

95. ## 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.

96. ## college

why is the population shape a concern when estimating a mean

97. ## science

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

98. ## Glaciers

I am looking for sites that help you answer questions on glaciers and identify parts og glacier

99. ## 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