BJ

Most popular questions and responses by BJ
1. Managerial Economics

As a VP of sales for a rapidly growing company, you are grappling with the question of expanding the size of your direct sales force (from its current level of 60 national salespeople). You are considering hiring from 5 to 10 additional personnel. How

2. Physics

A 930 kg car strikes a huge spring at a speed of 22 m/s, compressing the spring 12.0 m. (a) What is the spring stiffness constant of the spring? (b) How long is the car in contact with the spring before it bounces off in the opposite direction?

3. Managerial Economics

A television station is considering the sale of promotional DVDs. It can have the DVDs produced by one of two suppliers. Supplier A will charge the station a set-up fee of \$1200 plus \$2 for each DVD; supplier B has no set-up fee and will charge \$4 per DVD.

4. Math

A bus driver filled up 7/8 fuel tank for a trip. She used 6/7 of the fuel by the end of the trip. the capacity of her tank is 70 gallons. How much fuel did she use for the trip? Express your answer as decimal. Please help BJ Thank you

5. STATISTICS

Suppose that you are in a class of 29 students and it is assumed that approximately 16% of the population is left-handed. (Give your answers correct to three decimal places.) (a) Compute the probability that exactly five students are left-handed. (b)

6. Precalc

A woman made \$45,000 during the first year of her new job at city hall. Each year she received a 10% raise. Find her total earnings during the first nine years on the job.

7. PreCalc

Which investment option will pay the most interest? A. 12.6% compounded annually B. 12.4% compounded semiannually C. 12.2% compounded quarterly D. 12.0% compounded continuously E. These investments all pay the same amount of interest.

8. math

ball is thrown up at 88 ft/s from a height of 25 feet. Path of ball is y = -16t^2 + 88t +25. y is the height of ball above the ground t seconds after being thrown. when does it reach maxiumum height? (I got that at 2.75 s) At what time does the ball hit

9. Managerial Economics

(Economyst Only Please): A television station is considering the sale of promotional DVDs. It can have the DVDs produced by one of two suppliers. Supplier A will charge the station a set-up fee of \$1200 plus \$2 for each DVD; supplier B has no set-up fee

10. algebra

How many years and days will it take for a deposit of \$700 to double at 4% interest compounded continuously?

11. Physics

A mass m at the end of a spring vibrates with a frequency of 0.93 Hz. When an additional 607 g mass is added to m, the frequency is 0.63 Hz. What is the value of m?

12. Math

At an airport, a flight controller is in a tower 45m above the ground. She observes an airplane flying at a constant altitude at an angle of elevation of 14 degrees from her line of sight. Seven seconds later, the airplane flies directly overhead. If the

13. MAth

1 apple weighs x gram 1 banana weighs y gram; y> x 1 orange weighs z grams A magician can combine 1 apple and one banana to make one orange. The magician is given 57 grams of apples and 57 grams of bananas. what is the theoretical yield? (i.e theoretically

14. Chemistry

Balanced ionic equation for ClO + Fe(OH)3 = Cl + FeO4. Show electron balance and work

15. math, statistics

The image of the public library is constantly changing, and their online services continue to grow. Usage of the library's home page grew by 17% during the past 12 months. It has been estimated that the current average length of a visit to the library's

16. Math

Please help me answer this question At the Cats galore cat show, 1/2 cat were Siamese, 1/6 were Persian, 1/5 were Abyssinian and 4 cats were tabby. how many cats were at the show? write an equation and solve it Thank you BJ

17. science

A wagon with a weight of 300N is accelerated across a level surface at 0.5 m/s . What net force acts on the wagon

18. Managerial Economics

A CA resort offers year-round activities and the resort's operating costs are essentially the same in winter and summer. Mgmt charges higher nightly rates in the winter, when its average occupancy rate is 75%, than in the summer, when its occupancy rate is

19. Physics

A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. 3.0 J of work is required to compress the spring by 0.17 m. If the mass is released from rest with the spring compressed, it

20. Managerial Economics

A CA resort offers year-round activities and the resort's operating costs are essentially the same in winter and summer. Mgmt charges higher nightly rates in the winter, when its average occupancy rate is 75%, than in the summer, when its occupancy rate is

21. chem

Which of the following solutions represent a buffer system? Select all that apply. Answer A. H2CO3 and HCO3- B. HNO2 and NaNO2 C. NH4Br D. Na2SO4 E. HClO4 and NaClO4 F. CH3COOH

22. Biology

Is Wind Power Green? I am writing a paper and I need to put together an outline of my final paper. I would just like to know if the following paragraph I have put together can serve as a thesis statement? "The idea that the world is reaching a possible

23. Spanish

How do you say friendly in espanol http://www.spanishdict.com/ =) Thank you for using the Jiskha Homework Help Forum. The word "friendly" is an adjective so don't forget that most adjectives have 4 forms in Spanish, depending upon the number

24. Managerial Economics

Please check Here gasoline output is mesured in thousands of gallons, fiber output in the thousands of square feet, and crude oil in thousands of barrels. The product's profits per unit output are \$.50 per gallon for gasoline and \$.75 per square foot for

25. Math

The average household uses 2 bags of sugar per household per month. Each bag of sugar weighs 10 pounds. Assume that that there are 3 people in each household on average and that the US population is 336 million. How many pounds of sugar does the US consume

26. psychology

A massage therapist stimulates the body, which in turn stimulates the: a. parietal lobe b. temporal lobe c. pituitary gland d. prefrontal cortex

27. espaniolII

Por primera, tú necesitas cambiar los hábitos. Si tú trabajas mucho para tener una buena dieta, va a hacer mas feliz también. Es tan difícil para mantener una vida saludable. Es esencial que no comas comida basura y hacer ejercicios todos los dias.

28. economics

Is the mrts? a. minuse one times the ratio of marginal products for ea. input? b. the slope of the marignal revenue product curve c. the marginal products of either input d. the slope of an icocost curve

29. college algebra

Write formula that expresses the relationship described by each statement. Use k for the constant in each case. m varies directly as p.

30. college algebra

Find equation of each line. write answer in slope intercept form. The line parallel to -3x+2y=9 and contains the point (-2, 1).

As a VP of sales for a rapidly growing company, you are grappling wirh the question of expanding the size of your direct sales force (from its current level of 60 national salespeople). You are considering hiring from 5 to 10 additional personnel. How

32. Math

The yogurt cart has the following three flavors: chocolate, vanilla, and strawberry. Yogurt comes in a cup or a cone. You can have no sprinkles, chocolate sprinkles, or rainbow sprinkles. How many different choices are there?

33. Analytic Algebra

Verify your results of the 2 linear equations by graphing in the desired graphing program and paste the graph in your assignment document (edit/copy image). 35x + 50y = 2220 x + y = 51 y = 29 x = 22

34. Physical Chemistry

The escape velocity, the velocity required by an object to escape from the gravitational field is given V^e = (2gr)^1/2 where r is the radius for Earth (6.37 x 10^6m). At what temperature will the c of an H2 molecule and of an N2 molecule attain the escape

35. Science

Ms. Sue I understand, but what the professor requested was the following: NOTE: In the “Sample: Outline,” it states that the thesis statement is the last one to three sentences of the introduction. However, the thesis statement must be one sentence in

36. Physic

A student walks to school 3 blocks North. For lunch he walks to Mcdonald's 3 blocks North. After lunch he returns home 6 blocks South. The magnitude of his total displacement is now

37. math - earn interest

invest money that pays 6.3% interest/year compounded quarterly. How long should invest if want to double initial investment?

38. Psychology

Studies that have overcome methodological problems in examining intelligence scores for African- americans as compared to people of Anlo-Saxon descent revealed: a. that the test results were useless becxause racial prejudice invalidated them b. thst

39. Oceanography

A 15.75-g piece of unknown metal absorbs 60 cal of heat energy, and its temperature changes form 25 degrees C to 175 degrees C. Calculate the specific heat capacity of this metal.

40. Compter programing Design

Design a program that will ask the user to enter the amount of a purchase. The program should the compute the state and county sales tax. Assume the state sales tax is 4 percent and the county sales tax is 2 percent. The program should display the amount

41. trig

The angle of elevation from the top of a house to a jet flying 2 miles above the house is x radians. If d represents the horizontal distance, in miles, of the jet from the house, express d in terms of a trigonmetric function of x.

42. Managerial Economics

As a VP of sales for a rapidly growing company, you are grappling wirh the question of expanding the size of your direct sales force (from its current level of 60 national salespeople). You are considering hiring from 5 to 10 additional personnel. How

43. physics

how much power does a 63kg athlete develops as he climbs a 5.2m rope in 3.5 second

44. CGTC

Desiree invested some money at 9% and \$100 less than three times the amount at 7%. Her total annual interest was \$83. How much did she invest at each rate?

x^2-9/8x-24

(x^2-1)/5x+5

47. math - natural logs

Find the EXACT solution to e^(1-x) = 4^x You must use logs, not just a calculator.

48. Psychology

Which of the following statements describes the relationship between genes, chromosomes, and DNA? a. Genes, the basic unit of heredity, are located on chromosomes, which consist of strands of DNA b. Genes are composed of and DNA c. Chromosomes, the basic

49. Psychology

Peter and Maria are adopting a child whose biological parents have low IQs. They want to know if this child, too, is likely to have a low IQ? Which of the following is the best response to their question? a. While IQ is heritable at least in part,

50. psychiology

Wihtin groups, differences in intelligence are highly correlated with _______. Between groups, differences are highly correlated with __________. a. heritability; environment b. environment; genes c. heritability; random error in measurmemt d. genes; the

51. psychology

Brad wonders if he will have a problem later in life with alcoholism. His father is an alcoholic and his great-grandfatheer had a problem holding a job due to his drinkng habits. After reading this lesson, Brad believes that a/an ______ study would give

52. college algebra

Find the variation constant and write a formula that expresses the indicated variation. c varies inversely as d, and c=5 when d = 2.

53. college algebra

Find the equation of the line that goes through the given point and has the given slope. Write the answer in slope- intercept form. (-1,-5), -8

54. college algebra

Find Slope and y intercept for each line that has a slope and y intercept. x+2y=3

55. Managerial Economics

As a VP of sales for a rapidly growing company, you are grappling wirh the question of expanding the size of your direct sales force (from its current level of 60 national salespeople). You are considering hiring from 5 to 10 additional personnel. How

My child is learning about intervals and I am clueless! His question is Christine found 23 on the 200 chart. She said 23 is in the interval 20-29. Name 3 other intervals 23 is in?

57. Math

Please help me with load-out plan question the following personal and equipment to be airlifted troop 450 total (not include aircraft crew ) 120 of whom must travel on the same plane Equipment (2) MIA2 Abrams main battle tanks (4)M3 Bradley fighting

58. eletromagnets

In earlier learning sequences we described how a static magnetic field cannot change the speed (and therefore kinetic energy) of a free charged particle. A changing magnetic field can, and this is one way particle beams are accelerated. Consider free

59. magnets

A 100 gram resistive slider (thick line) moves without friction along a vertical U-shaped conducting track (thin line) that is 50 centimeters wide in a magnetic field of 5 Tesla as shown. The slider's resistance is 20 Ohms. It falls under the influence of

60. MATH

Complete Problem 34 in Section 5.2 Exercises (Ch. 5) of Essentials of Geometry for College Students. 34. Given: ABC,/ AD bisects

61. Chem..

1. The c of a certain gas at 25˚C is 411 m/sec. Determine the molar mass of the gas. 2. The c of a sample of O2 is 575 m/sec. Determine the temperature of the gas.

62. PHI 103

Write two arguments in English, one in the form of modus ponens and one in the form of modus tollens. Then, write the arguments in symbols using sentence letters and truth-functional connectives. The following is one of the arguments and I believe it can

63. college algenra

it a log problem? e^x=87

64. algebra

invest \$2,000, part earns 6% year and reh rest earned 11% year. Interest at end of year = \$155. How much is invested at each rate?

65. psychology

According to Noam Chomsky, language is primarily aquired through a. an innate module b. our parents correcting us c. imitating our parents d. trial and error I chose B Am I correct?

66. psychology

One reason that new traits keep arising is because of genes' ability to spontaneously: a. divide b. split c. multiply d. mutate I chose D, am I right?

67. psychology

within each gene, elements of DNA are arranged in a particuler order., forming a code that influences the synthesis of particular proteins. This code affects every aspect of the body, from its structure to the chemicals that keep it running. the above

68. psychology

Which one of the following statements describes the relationship between genes, chromosomes, and DNA? a. Genes, the basic unit of heredity, are located on chromosomes, which consist of strands of DNA.b. Genes are composed of chromosomes and DNA. c.

69. geometry

what is the area of a trapazoid h=6,b1=5,b2=3

71. calculus

An open box is to be made from a square piece of cardboard, 32 inches on a side, by cutting equal squares with sides of length x from the corners and turning up the sides (see figure below). Determine the function, V, in terms of x, that represents the

72. college algebra

u varies inversly as n

73. college algebra

Draw line 1 through (-4, 0) and (0, 6). What is the slope of any line parallel to line1? Draw line 2 through the origin and parallel to line1.

74. Managerial Economics

(Economyst only Please): As a VP of sales for a rapidly growing company, you are grappling wirh the question of expanding the size of your direct sales force (from its current level of 60 national salespeople). You are considering hiring from 5 to 10

75. History

what are the issues of Anti-communsim/ Cold-War that provies detail of all menzies intiatives to combat communisim both inside Australia and overseas

76. math

A couple wants to install a square mirror that has an area of 500 square inches. To the nearest tenth of an inch, what length of wood trim is needed to go around the mirror?

78. Math

Please help me with this 12x = -8 -15 = -3x/5 x -2/3 = 3/8 Thank you BJ

79. Math solve the equation

Can you help me to understanding this 7x = 72 9p = 30 Thank you for your help

80. math Subtraction equation

Please help me understanding this Aparasailer is attached by cable to a boat, she wear catches air and raises her into the air when the boat slows down to turn back towards the beach the parasailer chute catches less air and dip 25 meters. She must decent

6.2*1,000=

82. math

Thank you Ms. Sue.

83. math

A cooked steak weighs 6 tenths of a pound, Mario eats 9/10 of the steak. How much did the portion that he ate weigh?

84. Math

The diagonal of a rectangle is 26 inches long. Its length is 14 inches more than the height. What is the height of the rectangle?

85. calculus

3x^2-75/6x+30

86. Education

What do you consider to be three important positive qualities a teacher should possess?

87. electromagnets

A 100 gram resistive slider (thick line) moves without friction along a vertical U-shaped conducting track (thin line) that is 50 centimeters wide in a magnetic field of 5 Tesla as shown. The slider's resistance is 20 Ohms. It falls under the influence of

88. magnets

A very large loop of metal wire with radius 1 meter is driven with a linearly increasing current at a rate of 200 amps/second. A very small metal wire loop with radius 5 centimeter is positioned a small distance away with its center on the same axis (the

89. Math

If two angles of one triangle are congruent to two angles of another triangle, then?

90. Math

(-2x-3+8x^2) divide by (1+4x)

91. MAth

Write a six pairs of digits that make one number?

92. PHI103

Sorry, I didn't post my argument the last time. Write two arguments in English, one in the form of modus ponens and one in the form of modus tollens. Then, write the arguments in symbols using sentence letters and truth-functional connectives. The

93. Education

Having undertaken a variety of proactive steps to forestall the inclusion of items that might, due to an item's content, have an unwarrantedly adverse impact on students because of any student's personal characteristics, the test-developers then, based on

94. Psychology

How does the elaboration likelihood model helps to explain the relationship between the persuader, the message and audience?

95. Psychology

This is part of a paper I am writing.....I need to write about this, however I am confused by the 2nd part of the question. What do you think they are looking for when they state how are we influenced by emotion, framing and narratives? What attributes are

96. Oceanography

What substrate indicates the youngest and oldest beach? What are coral's symbionts?

98. psychology

Janice smokes while she is pregnant with her son. He is more likely to have: a. a normal IQ b. a lower IQ c. a higher IQ d. an IQ below 90 I choose B, is this right?

99. psychology

Thanks so much for your help PsyDag. God Bless!!!!