# Questions Asked onAugust 7, 2011

1. ## Geometry

Find one counterexample to show that each conjecture is false. The product of two positive numbers is greater than either number.

2. ## Statistics

A severe storm has an average peak wave height of 16.4 feet for waves hitting the shore. Suppose that a storm is in progress with a severe storm class rating. Let us say that we want to set up a statistical test to see if the wave action (i.e., height) is

3. ## statistic

1. Compute descriptive statistics for liberal art colleges and research universities in the Excel file colleges and universities. Compare the two types of colleges . what can you conclude.? 2.The Excel file MBA Student survey provides data on a sample of

4. ## Math

Records show that 29% of all payments to a mail-order company are submitted after the due date. Suppose 50 payments are submitted this week. Let r be a random variable that represents the number of payments that are late. Use the normal approximation to

5. ## trigonometry

a kite has 120 m of string attached to it when it flies at an elevation of 5 degrees. How far is it above the hand holding it? ( assume that the string is taut)

6. ## physics

A cyclist is cycling at a uniform velocity of 8m/s for 8 seconds. He then stops paddling and the cycle comes to rest in next ten seconds. Draw the velocity-time graph and calculate: (i) the average retardation.(ii) the distance covered with uniform

7. ## MAT101

During 1998-1999 Little League season, the Tigers played 52 games. They won 12 more games than they lost. How many games did they win that season?

8. ## Math

The lifetime of a SuperTough AAA battery is normally distributed with mean of 28.5 hours and standard deviation of 5.3 hours. For a battery selected at random, what is the probability that the lifetime will be 25 hours or less? a. 0.7454 b. 0.6604 c.

9. ## Statstics

Let x be a random variable representing dividend yield of Australian bank stocks. We may assume that x has a normal distribution with \alpha =2.3% A random sample of 18 Australian bank stocks has a sample mean of x bar = 6.1%. For the entire Australian

10. ## chemistry

solubility of NaCl in water at 298K is 35.8 kg per 100 kg of water calculate mass fraction of NaCl?

11. ## Math

What price do farmers get for the peach crops? in the third week of June, a random sample of 40 farming regions gave a sample mean of $6.88 per basket. assume that the standard deviation is known to be$1.92 per basket. find a 90% confidence interval for

12. ## math.

If a+b=s and a-b=t, then which of the following expresses the value of ab in terms of s and t?

13. ## Pre-calculus

find the trig functions of angle x if the terminal side of x passes through the point (-12, 5).

14. ## statistics

the average starting salary is Rs 15000per month with a standard deviation of Rs.1000 assuming normal distribution,what is the probability that starting salary will be more than Rs.17000, out of 200 degree holders how many will getRs.14000?

15. ## Algebra

1.What is the shape of the graph of any linear function? Answer-line 2. Solve for x in |5x -2| >5 Answer- 2/3 < x

16. ## Art 101

Discuss how art was used as a vehicle for propaganda in the works of Höch, Grosz, and Picasso.

17. ## statistics

You have hired a polling organization to take a simple random sample from a box of 200,000 tickets and estimate the percentage of 1s in the box. Unknown to them, the box contains 50% 0s and 50% 1s. How far off should you expect them to be if they draw

18. ## Algebra

A solar collector and its stand are in the shape of a right triangle. The collector is 5.00 m long, the upright leg is 2.00 m long, and the base leg is 4.58 m long. Because of inefficiencies in the collector’s position, it needs to be lowered by 0.50 m

19. ## Algebra

1. What is the equation for the line that passes through the point (-5,2) and has a slope of 0? Answer-2 2. What is the slope of the line that passes through the points (-2, 4, 15) and (1, 1.24)? Answer- -2.91 3. Write a funciton rule for the table shown x

20. ## trigonometry

a ladder which is 5 m long leans against a nail on the wall.it makes an angle of 62 derees with the ground. find the height of the nail above the ground and the distance of the foot of the ladder from the wall.

21. ## statistic

Explain the concept of correlation and how to interpret correlation coefficients of 0.3,0, and -0.95

22. ## history

what were vietcong hideouts?

23. ## PHYSICS - HELP

I NEED HELP ON C THROUGH F. THANK YOU A spring id vertically, as shown below, and a 500g mass is hung from its lower end. The EQUILIBRIUM extension of the spring is observed to be 10.0cm. (1) What is the spring constant of the spring? ANSWER: 49N/m (B) If

24. ## physics

. A water heater can has a power of 350 W. It is placed in a container filled with 1 litres of water with a temperature of 40 ºC. The heater is then allow to run for 1 hour. How much water will there be left in the container after 1 hour? (Specific heat

25. ## statistics

1. In a Gallup poll of 2,040 adults, 956 said that second-hand smoke is very harmful. What is the percentage of adults who said second-hand smoke is very harmful?

26. ## Algebra

2. Find the value of x^3 +2x^2 -3 when x =3 Answer-42 12. What type of correlation would you expect between the number of minutes a candle burns and the height of the candle? a. no correlation b. positive correlation c. negative correlation d. equal

27. ## Survey of Sccounting

Why would an entrepreneur want to choose one over the other, proprietorship, a partnership, or corporation?

28. ## Algebra

4. Compare the quantity in Column A with the quantity in Column B. Column A The solution of 2(x-3) = 6x Column B The solution of 3x + 2 + 5x + 6

29. ## Algebra

I think this is a easy trick question, so I probably know the answer but I just wanted to double check. What is the domain and range of the function f(x) = 3^x Find the f^-1 and its domain and range? Thanks for your help.

30. ## geology

a ____ wave is an elastic rebound wave that travels outward in all directions from the point of an earthquake? I'm debating between, seismic, body and surface which one is correct? Thanks

31. ## Math

Can you please explain step by step on how to do each of these two problems below? And then tell me whether it involves an arithmetic sequence or a geometric sequence I also need the work shown out on both problems thank you. Perform the indicated

32. ## PHYSICS - HELP

Two ingenious 120 student students decide to use an oscillating mass on a spring to check the shutter (exposure) time of their camera. They set up vertically alongside the mass and spring. A pointer attached to the mass allows the scale on the meter stick

33. ## Math

Can you please explain step by step on how to do each of these two problems below? And then tell me whether it involves an arithmetic sequence or a geometric sequence I also need the work shown out for both problems thank you. 1). A person hired a firm to

34. ## physics

A diver descent 100 m below sea level. If the density of sea water is 1024 kg m-3, find the pressure she will experience.

35. ## IT

This week you are beginning your project. The development for this project will take place over length of the capstone course. Your instructor will work with the the students to select and approve each portion of the project development. You will work on

36. ## Chemistry

A robust first grader goes for swimming lessons three times a week,and he enjoys it thoroughly.During the first week of December, he develops an upper respiratory infection, starts coughing continuosly, and has a high fever of 39ºC. His condition remains

37. ## English

Is this a better thesis statement? The reason Willie was taken out of such a bad environment was to protect him from the mob, but it also ended up teaching him a new way of survival.

38. ## stat

a how to solve the problem when on 100 point examination with mean 60, SD 10, if there are 5% A, 5% F, 15% B, 15% D, and 60% C, find the scores that devide the distribution into those catagories.

39. ## Algebra

1. Given g(x) = x^2 -x, find g (2/3). Answer- -2/9 2. The scatterplot of this data would suggest a Study Time (Min) 14 20 23 25 28 32 Test Score 60 67 68 70 72 73 Answer- positive correlation 3. The scatterplot of this data would suggest a # of cookies

74. ## english

reasons why fables can be a negative thing on children?

75. ## Algebra

Evaluate log36(1/6) I believe the answer is -.5 but I just wanted to check to make sure I was doing this correctly. Thank you!

76. ## english

Complete similie - the wind shook trees like ------------

77. ## algebra

how to solve this f-1/5=1

78. ## ie math

xy´+y=3x√y

What do the criteria on each tab of the rating scale mean to you? How do you envision meeting the requirements of the criteria for each tab? How can having an evaluation tool for your dissertation now influence your future studies?

Valmont, Inc. experienced the following events in 2012, in its first year of operation. 1. Received $20,000 cash from the issue of common stock. 2. Performed services on account for$50,000. 3. Paid utility expense of $12,500. 4. Collected$39,000 of the