# Lacy

Popular questions and responses by Lacy
1. ## Math-soh cab toa

The towrope pulling a parasailor is 70m long. They estimate that the angle between the towrope and the water is about 30°. Find the height of the parasailor above the water, to the nearest 10m.

2. ## Chemistry

You are asked to prepare a pH = 4.00 buffer starting from 1.50 L of 0.0200 M solution of benzoic acid (C6H5COOH) and some added sodium benzoate salt (C6H5COONa). a) Find the pH of the benzoic acid solution BEFORE adding the salt. b) Use the

3. ## Algebra

Find 3 consecutive odd numbers such that the sum of 5 times the smaller number a twice the larger number is 33 more than six times the median number. Do not understand word problems. ..please help

4. ## Science

Under what circumstances, if any, will a converging lens form an inverted image of a real object? Under what circumstances, if any, will a diverging lens forms an erect image of a real object?

5. ## Science/ Health

A unit of blood is released for a patient on the oncology floor. The nurse calls the blood bank 15 minutes later and reports that the patient has a visitor and does not want the transfusion until later that day. The nurse would like to hold the unit in the

6. ## chemistry

need help with a question calculate the concentration of grams of sodium stearate per milliliter of diluted solution. To do this, multiply the concentration of sodium stearate in the dishwashing liquid by the dilution of the solution(1.50 ml dishwashing

7. ## Math

Find three consecutive even integers such that the sum of the smallest integer and twice the median integer is 20 more than the largest integer.

8. ## Calculus

Water is running into an open conical tank at the rate of 9 cubic feet per minute. The tank is standing inverted, and has a height of 10 feet and a base diameter of 10 feet. At what rate is the radius of the water in the tank increasing when the radius is

9. ## algebra II

need set notation for two step inequalities. problem is -4-5v5. if that's true, then how do u do set notation for answer? have 80 set notations to do and need to know how to do this by example

10. ## chemistry

You took 0.99ml of a hexokinase assay solution and added 10 ul of an unknown glucose sample. The absorbance at 340nm is 0.422 the extinction coefficient is 6.22x10^3 the molecular mass of glucose is 180.16g/mol. What is the concentration of glucose in the

11. ## chemistry

You took 0.99ml of a hexokinase assay solution and added 10 ul of an unknown glucose sample. The absorbance at 340nm is 0.422 the extinction coefficient is 6.22x10^3 the molecular mass of glucose is 180.16g/mol. What is the concentration of glucose in the

12. ## social studies

What were the findings of the Nye Committees?

13. ## chemistry

How many grams of water can be made by the reaction of 1.25 grams of ethanol with 2.50 grams of oxygen?

14. ## math

Ihave to evalaute expressions can someone tell me which whay is the correct way. 15+ 20 ÷ 5 Is 15 + 4= 19 or 5 ÷ 5=9 210-5 x 30 Is it 210-150=60 or 205 x30=61590 Have you heard of BEDMAS? it shows the correct order of operation in arithmetic B-brackets

15. ## Science

The sun, moon and planets all follow approximately the same path from east to west across the sky; none of them is ever seen in the far northern or far southern sky. What does this suggest about the arrangements of these members of the solar system in

16. ## chem

What is the equilibrium concentration of carbon dioxide in water that is in contact with air at 25 °C and 4.17 atm. The mole fraction of CO2 in air is 3.01×10-4. The Henry's law constant for carbon dioxide is 4.48×10-5 M/mmHg.

17. ## Math

An African elephant weigh 6 tons what is the weight of the elephant in pounds

18. ## Math

AJ fly is in altitude of 52,800 feet what is the height of the jet in miles

19. ## Chemistry

Calculate the corrected creatinine clearance using the following data obtained from a person with a 1.73 m^2 body surface area: Serum creatinine:1.3mg/dL Urine creatinine:2.4 mg/dL Urine volume:1000ml/24hours We think it's 128, but not sure Help this is

20. ## Math

I need help solving these problems y=-0.4x^2+8.3x+4.3 I got 0.52 h=-16t^2+149t+30 I got 640.5 feet after 4.63 seconds 0=x^2+3x-10 I got x=5, -2 (2x-4)(2x-1)=0 I got -2, 1/2 x^2+8x=10 I got -1.1, 9.1 HELP PLEASE

21. ## Statistics

Three final candidates (Alex, Bo, and Chris) for a position happen to take different versions of the aptitude test. You are supposed to choose the one who performed best out of these three final candidates and the test results are as follows: Alex received

23. ## Math

5x+6/3x-9=7/3

A garden measuring 12m by 16m is to gave a pedestrian pathway installed all around it. The pathway is the same width all the way around the garden. The pathway and the garden have a total area of 258m^2. What will be the width of the pathway? ( I know the

25. ## Calculus

Water is running into an open conical tank at the rate of 9 cubic feet per minute. The tank is standing inverted, and has a height of 10 feet and a base diameter of 10 feet. At what rate is the exposed surface area of the water changing when the radius is

26. ## math

The base of a triangular prism is a right triangle whose legs are 7cm and 24 cm. The height of the prism is 30cm. What is lateral area of prism?

27. ## math

A cube with an edge length of 4 in is painted on all its sides. Then the cube is cut into 64 cubes with an edge length of 1 in. What percent of the total surface area is painted?

28. ## science/math

after traveling for 6.0 seconds, a runner reaches a speed of 10m/s. what is the runners acceleration? my answer is 60m/s , is that correct?

29. ## science/math

a car starting from rest accelerates at a rate of 8.0 m/s. what is its final speed at the end of 4.0 seconds?I got 32m/s, is this correct

30. ## chemistry

You have purifiedLDH using affinity chromatography. Using the bradford assay you determined the total protein concentration of the column fraction to be 10 mg/ml in a final volume of 2.4 ml. You diluted some of your column fraction to 1 mg/ml using SDS

31. ## biochemistry

You have purifiedLDH using affinity chromatography. Using the bradford assay you determined the total protein concentration of the column fraction to be 10 mg/ml in a final volume of 2.4 ml. You diluted some of your column fraction to 1 mg/ml using SDS

32. ## Chemistry

You are asked to prepare a pH = 4.00 buffer starting from 1.50 L of 0.0200 M solution of benzoic acid (C6H5COOH) and some added sodium benzoate salt (C6H5COONa). a) Find the pH of the benzoic acid solution BEFORE adding the salt. b) Use the

33. ## algebra 2

3/-8 * 2/7 * (-3) Its multiplying fractions, but it wants the answer in simplest form!

34. ## algebra 2

-3u+7/2=-4/3u-5/4 solve for u in simplest form.

35. ## Science/Evolution

What do scientists believe that humans and apes originate from?

37. ## algebra (college)

The # N, in millions, of hearing impaired individuals of age X can be approximated by N= 0.00006x^3 + 0.006x^2 - 0.1x +1.4. Approximate to the nearest million the # of hearing impaired individuals of ages 25 and 40. 25= 1.75 and 40= 3 (those are

38. ## human resources

o Name three selection tools that you would consider using to hire a police officer. o Choose what you think is the best selection tool or combination of selection tools in choosing the best candidate. o Detail which interview method would be most

39. ## Philosophy

Create an 11- to 14-slide PowerPoint® presentation answering one of the topics found in Appendix A, as well as 3 to 4 principle issues related to your chosen topic. My topic is Should there be a set of uniform morals standard? Thank you

40. ## accounting

Write a 700- to 1,050-word paper, using APA guidelines, based on the scenario below. You want to start your own business. You found an investment group that is willing to give you the capital needed for the first year of your business, but only if you can

41. ## math

1. Suppose you are in the market for a new home and are interested in a new housing community under construction in a different city. a) The sales representative informs you that there are two floor plans still available, and that there are a total of 115

42. ## Microeconomics

Consider Good E, which, when sold in a particular country, has an equilibrium price = \$10.00. The government of that country decided that it doesn’t like that equilibrium price, and so passes a law which prevents the product from selling for \$10.00.

43. ## Us after 1877

Why would the Knights of Labor oppose child labor beyond the obvious reason that children should not be forced to work? What about their opposition to convict labor?

44. ## intro to corrections

identify and describe the five functions of jails

45. ## science

My questions is what member of the cat family is the best predator? I have tried to find the answer but each site I have looked at just says that they are predators (lion, tiger, cougar etc). They don't say which is the best. Any help would be appreciated.

46. ## Finance

Determining the inflation rate. In the mid 1990s selected automobiles had an average cost of \$12,000.The average cost of those same automobiles is now \$20,000. What was the rate of increase for these automobiles between the 2 tim eperiods?

47. ## history

Which countries wanted to join the European Union in 2002?

48. ## History

Does the federal reserve system affect us directly in any way? How?

49. ## Histroy

How does the supreme court show that the constitution allows congress to exercise the power to regulate commerce within a state?

50. ## Literature

I need to find a critical analysis for Thed Lady with the Pet Dog by Anton CHekhov? Can anyone give me advice where I can find this?

51. ## alg.

Write the equation of the line that passes through point (2, –6) with a slope of –5. I think this is a pretty easy problem, but I'm making it out to be harder than it really is. here is what I got: y=mx+b -6=-5(2)+b -6=-10+b =10 =10 b=4 the equation

52. ## algebra

Complete the ordered pairs for the equation y = 8x + 16. (?, 0),(1/8, ?),(0, ?)(-1/8, ?) my answers are: (-2,0),(1/8, 17), (0,16), (-1/8, 15) are these correct? yes

53. ## alg.

Find the slope of any line parallel to the line through points (17, 4) and (5, 8). the slope of these is: 8-4 4 1 ----- = --- = --- 17-5 12 3 is 1/3 the correct answer? No you started with the y of the second point, so you have to start with the x of the

54. ## alg.

Determine which two equations represent perpendicular lines. a) y=2x - 6 b) y=1/2x + 6 c) y= -1/2x + 6 d) y= 1/2x - 6 I know that perpendicular lines have negative recipricals, but I'm having trouble with this problem. I think the answer is b & c because

55. ## alg.

Find the slope of the line passing through the points (–2, 1) and (3, 9). I know the equation to figure this out is: m = y(2) + y(1) ----------- x(2) + x(1) but its a multiple choice question and my answer is not the same as the choices. how exactly do I

56. ## bablylonian numeration

can someone tell me how to write 372 in numeration system? Thank you for using the Jiskha Homework Help Forum. Do you mean Binary, Octal or Hexadecimal? (Broken Link Removed) P.S. 1. http://mathforum.org/alejandre/numerals.html I need to convert 372 into

57. ## math

For the universal set U= {0,1,2,3,4,5,6,7} And the sets A={1,5}, B={1,2,3,4} And C= {4, 6} lists the elements in the following Sets. a. A ¿ B b. A U Bf c. A ¿(B U C) d. C ¿ (B ¿ A)f I assume your funny symbol is "∩", the intersection

58. ## math

I having problems understanding venn set and venn diagrams. Can someone explain this to me. For the universal set U= {0,1,2,3,4,5,6,7} And the sets A={1,5}, B={1,2,3,4} And C= {4, 6} lists the elements in the following Sets. a. A¿B b. A U Bf c. A

59. ## Science

The speed of sound in a gas depends upon the average speed of the gas molecules. Why is such a relationship reasonable? The greater the density of the medium ie gas pressure, temperature, the better sound traves through it. Why? because there are more

60. ## Science

The potential energy of a golf ball in a hole is negative with respect to the ground. Under what circumtansces (if any) is the ball's kinetic energy? Its rest energy? The KE cannot be negative, nor can the rest energy be negative.

61. ## Math

2+2= 7 2=2=4 Why are you being a smart aleck? Or do you really not know?

1. ## social studies

palatine hill

posted on April 16, 2020
2. ## social studies

@JoeHoe is 100% correct

posted on March 12, 2019
3. ## social studies

thanks @Papparazi-_-

posted on March 11, 2019
4. ## social studies

posted on March 11, 2019
5. ## Math

posted on November 7, 2018
6. ## math

Y’all r all saying different things who’s write

posted on November 7, 2018
7. ## Physical Education

Thanks Kia!

posted on March 20, 2018
8. ## science

Skylar is wrong

posted on March 20, 2018

360 is incorrect and lying I missed 1 and got an 80%

posted on February 12, 2018
10. ## Math

posted on January 9, 2018
11. ## biology

how does an observation about an object differ from an inference about that object?

posted on August 8, 2017
12. ## trigonometry

find sin65 and square it. find cos 65 and suare it. then add the two answers together

posted on July 11, 2017
13. ## Math

(5x+6)/(3x-9)=7/3 Do not understand Help

posted on August 29, 2016
14. ## Math

The first example

posted on August 29, 2016
15. ## Math-soh cab toa

Thank you!!

posted on April 4, 2016

Okay thank you so much!!!

posted on April 1, 2016

A, critical thinking

posted on May 27, 2014
18. ## Lang. Arts 2 questions

dog, and wrote a fantastic essay about paris

posted on November 14, 2013
19. ## Chemistry

I don't understand part a) How to start the process of finding the pH

posted on February 13, 2013
20. ## human resources

lol..ok I just came down with pneomonia and feel completely out of it and no desire to do the assignment..I was looking for an easy way out and I apologize. Thank you

posted on May 2, 2011
21. ## human resources

• Write a 1,300- to 1,500-word paper in which you address the following considerations related to selection tools

posted on May 2, 2011
22. ## algebra1

y/x+8 y=8x

posted on March 2, 2011
23. ## accounting

these are great websites. Thank you for pointing me in the right direction. Much appreciated.

posted on January 29, 2011
24. ## science

As the question says is the lion the best predator in the cat family, I am thinking that they mean which 'cat' is best at catching prey.

posted on July 5, 2009
25. ## science

I guess they mean which is the best hunter?

posted on July 5, 2009
26. ## science

oops should read cat not cart!

posted on July 5, 2009
27. ## science

the question we have been given is 'is the lion the best predator in the cart family'?

posted on July 5, 2009