# Lia

Most popular questions and responses by Lia
1. ## math

A map's key shows that every of 5 inches on the map represents 200 miles of actual distance. Suppose the distance between two cities on the map is 7 inches. What is the actual distance between the two cities? Write the rule you used to find the actual

2. ## math

On a sunny day an office building casts a shadow that is 80 feet long. At the same time, a 5 foot person casts a 6 foot shadow. Determine the height of the office building to the nearest foot.

3. ## chemistry

1) a 100ml smaple of 0.18M HCLO4 is titrated with 0.27M LiOH. determine the ph of the soution after the addition of 66.67 ml of LiOH (this is at equivalence point) 2)a 100 ml sample of .20M HF is titrated with .10M KOH. determine th ph of the soution

4. ## Physics

a store owner wishes to hang a sign weighinh 750N so that cable A attached to the store makes a 30 degree angle from the vertical wall. cable B is attached horizontally to an ajoining building. calculate the necessary tension on cable B |.\ |30\ |...\ A

5. ## Chemistry Lab

If 3.5 mL of distilled water is added to 1.5mL of a 0.150 M solution of CoCl2, what is the concentration of the resulting solution? M1V1=M2V2 M1= 0.150 V1= 1.5mL M2= 3.5?

6. ## Math (Calculus 121)

Consider the following function. f(x) = 7x3 + x2 - 0.08x + 12 Find the two points on the graph at which the tangent line is horizontal. Give your values correct to 2 decimal places. ( , ) (point with smaller x value) ( , ) (point with larger x value)

7. ## Math , check my answer ?

Lynne invested \$35,000 into an account earning 4% annual interest compounded quarterly. She makes no other deposits into the account and does not withdraw any money. What is the balance of Lynne's account in 5 years? \$37,153.21 \$39,438.88 \$42,706.65

8. ## chemistry

Calculate the value of the thermodynamic equilibrium constant for the following reactions at 25.0 °C. (a) N2H4(g) + 2O2(g) 2NO(g) + 2H2O(g) Kp = H20=-228.6 NO= 86.69 N2H4= 159.3 02 = 0

9. ## Algebra

A model rocket is launched straight upward from the side of a 256-ft cliff. The initial velocity is 96 ft/sec. The height of the rocket h(t) is given by: h(t) =-16t^2+96t+256 where h(t) is measured in feet and t is the time in seconds. Determine the time

10. ## Algebra 2

Find the exact coordinates of the points on a circle of radius 12.5 at an angle of 180°

11. ## Statistics

An automatic machine in a manufacturing process is operating properly if the length of an important subcomponent is normally distributed with a mean μ = 80 cm and a standard deviation σ = 2 cm. a) Find the probability that the length of one randomly

12. ## History

Which term is applied to a legislator who introduces a bill? president pro tempore sponsor of the bill < ? proponent of the bill director of the bill Who carries out the roles of chief diplomat, commander in chief, and chief executive in the United States?

13. ## chemistry

why would it be undesirable to wash the crude halide with aqueous sodium hydroxide

14. ## math

tree pipes of diameter 1 m are held together by a taut metal band as shown. Find the length in meters, of the metal band.

15. ## math

Ted made a scale model of a submarine for his science class. a. What is the volume of Ted’s model? b. If 1 inch in the model represents 20 feet in the actual submarine, what is the volume of the actual submarine? front round is 3 inch radius/length 3

16. ## Math

I have the answer to the first part of the question, which is What is the volume of Ted's Submarine model. The answer is 490.08=volume. The second part of the question is if 1 inch in the model represents 20 feet in the actual submarine, what is the volume

17. ## English

Which of the following vocabulary words ends in a suffix that indicates it is an adverb? A. Imminent B. Doggedness C. Infallibility Is the answer B? Thank you

18. ## science

A frictionless pulley with zero mass is attached to the ceiling, in a gravity field of 9.81 m/s2. Mass M2 = 0.15 kg is being accelerated downward at 1.5 m/s2. Calculate the mass M1.

19. ## math

a piece of string 25 cm long goes exactly once round the edge of a plate in the form of a quadrant pie = 3.14 Find the radius of this quadrant and calculate the area of the quadrant

20. ## math

TWO YEARS AGO, KIM INVESTED RMP AT HER ACCOUNT WHICH EARNS r% simple interest . after eighteen months , she noticed that the amount had become rm 10450 and today amount is rm 10600 . FIND THE VALUE OF p and r

21. ## 1 History Question

How did the War Production Board play a role in coordinating American war efforts during World War II? It was the government agency that worked with corporations to produce what the military needed. It was the agency that determined when and where troops

22. ## chemistry

25.00 mL of a 2.00 M solution of NaCl is diluted to a final volume of 100.0 mL. What is the concentration of NaCl in the final solution?

23. ## Physiology

Compare the properties of an EPSP with those of an action potential?

24. ## Physics

Suppose that you want to take a photograph of yourself as you look at your image in a flat mirror 1.6 away. For what distance should the camera lens be focused?

25. ## intro to management accounting

The Minnetonka Corporation, which produces and sells to wholesalers a highly successful line of water skis, has decided to diversify to stabilize sales throughout the year. The company is considering the production of cross-country skis. After considerable

26. ## Spanish 3

______ terminado todos los quehaceres de la casa si nuestra madre no ______ regresado tan pronto. a) Hubiéramos, habría b) Habríamos, hubiera c) Habría, hubiéramos d) Hubiéra, habría My answer: C, because its saying "I would have" and then "our

27. ## maths

The parabola y2 = 4ax, where a > 0, and the rectangular hyperbola xy = C2, where C > 0, intersect at right angles. Show that the tangent and normal to either curve at the point of intersection meet the x-axis at T and N where TN = 2pa, where p is an

28. ## physics

A horizontal wire carries a large current. A second wire carrying a current in the same direction is suspended below it.Can the current in the upper wire hold the lower wire in suspension against gravity?

29. ## Physics

you are riding your bike on a path. you see a fallen tree blocking your way 42 meters ahead. if the coeffiient of friction between your bikes tires ad the ground is .36 and you are traveling at 50km/hr how much stopping distance is required? the total mass

30. ## chemistry

at sea level the average lung capacity for humans is about 4.o liters. at 37 degrees celcius (body temperature) how many grams of oxygen could your lungs hold?

31. ## Physics

1) A particle travels between two parallel vertical walls separated by 16 m. It moves toward the opposing wall at a constant rate of 6.4 m/s. It hits the opposite wall at the same height. The acceleration of gravity is 9.8 m/s. a) What will be its speed

32. ## physics

solve for Vf in a=Vf^2-Vi^2/2d how do you do it???

33. ## Math

The measure of angle BCA is: A) 30 degrees B) 36 degrees C) 45 degrees D) 60 degrees It is a iscoles triangle which the number 3x on the top of the triangle angle A and a line extending to D going right from A and Angle B is at the bottom left corner A and

34. ## math

3,12,21, __ , __ ,__ what is the missing number ? can you guys answer this ?

35. ## LAST history question

Why did the US government require rationing of some goods during World War 2? A. to provide food and supplies to war refugees in Europe B. to increase the demand for certain items to increase the profit made by selling them around the world C. to decrease

36. ## math

The perimeter of the quadrilateral is 80feet. Find the length of the other sides. One side is x+9 another is x+13, 4x-5, x^2-8x.

37. ## bio

What is an IPSP and how is it produced??

38. ## college microeconomics

An article in the journal of New York State Economics Association claims that the income elasticity of demand for public college education in New York is +1.67. Who would find this information useful and why? come up with 3 interested parties

39. ## geometry

Find a coordinate rule for a reflection across the line y = 2x. Then use the rule to find the image of triangle ABC = [ 2 6 0 ] [ 3 -4 4 ]. Be sure to clearly show your work indicating how you found your rule. In addition write the coordinate matrix for

find the sum of -2 plus 3i and -1 minus 2i ..........im not sure how to do it can anyone help me out?/

41. ## math

How many perfect squares are less than or equal to 36? how many less than or equal to 144? In general how many perfect squares are less than or equal to n^2? Using all these answers, estimate the number of perfect squares less than or equal to N.

42. ## calc

A widget factory has fixed costs of 35 billion dollars and variable costs of 781 million dollars per widget. The revenue (in \$ billions) from selling x number of widgets is given by the following for x between 0 and 60. R(x) = 0.11(60x - x^2) What is the

43. ## black river

Mathematics How high is the tree if I had 5m 4m how high is the tree

44. ## History

Hi ! Can someone give me some really really really good websites about the "Manhattan Project" (WWI/WWII).. you know.. I need ONE primary resource and ONE secondary resource. I know you guys are really good at giving good websites. I cannot use wiki, or

45. ## Constructed Responce Help

Hi, I was told I could re-do my CR and post it for checking. There are many ways to compare and contrast the two versions of the stories “The Chicago fire”. The first version differs from the second version in many ways. Some ways is that in the first

46. ## Constructed Responce Help

Hi can you see if this constructed responce makes sense, or if I need to clean it up or add anything to it. thanks! I needed to compare and contrast the two versions of "the great chicago fire" and also tell how the format of each passage allow the author

47. ## french

are there any french tutors here ?

These sentences have something to do with ablative of agent but I cannot figure them out. Quid ab his maleficiis sceleris abesse videtur? What wrong crimes...??? Erunt etiam altera bella atque iterum ad Troiam magnus mittetur Achilles. They were

49. ## Math

Ms. Floop had an old wagon wheel in her front yard. It had 40 spokes on it. Twenty-four of the spokes were painted blue. What fraction of the spokes were not painted blue?

50. ## statistics

the times required to assemble a product part are normally distributed with a mean of 54.4 minutes & a standard deviation of 5.2 minutes. What fraction of the assemble workers require more than one hour?

51. ## Math

When I am rounded to the nearest 10, I am 80. The sum of the two digits is 15. What number am I?

52. ## Lab Physiology

What is the significance of IPSPs? How are they produced?

53. ## Pre Calculus

please explain the process of finding the complex zeros of f(x)=x^4+5x^2+4.

54. ## ELEMENTARY AND INTERMEDIATE ALGERBRA

x=0 and y=4 in the second problem X+y=13 22x + 36y=356 -3x + 2y =8 3x + 2y=8 y=4 hold, on i'm trying to find x x=2 & y=1 on the last one :)

55. ## chemistry

what is the charge balance equation for acetic acid?

56. ## French help (:

Which is the correct form of the adjective? les grandes arbres < ? les grands arbres les grand arbres Which is the correct form of the adjective? les nouvelles classes les nouvel classes les nouvelle classes < Which shows the correct form of the adjective?

57. ## physics

A horizontal wire carries a large current. A second wire carrying a current in the same direction is suspended below it.Can the current in the upper wire hold the lower wire in suspension against gravity?

58. ## Math

Can some one explain the step of the following: 1. Graph the system of Inequalities (What will be the points) y>= -4 x>=5 2. Solve by the substitution method 5x+3y= 7 x=59-7y 3.Graph the equation using the slope and the y-intercept (What are the points) y=

59. ## calc

Please help me you guys, this is the 3rd time I have posted this question. Is anybody going to help me with this problem? A widget factory has fixed costs of 35 billion dollars and variable costs of 781 million dollars per widget. The revenue (in \$

60. ## math

Jack pay income tax at the rate of \$35416 plus 45cent for every dollar earned in excess of \$85000. Find her total taxable income if she pays \$39637 in tax.

61. ## math

If 6/7 is expressed as an infinite decimal, what digit would be in the 327th decimal place?

62. ## Biology

Why does our fingers have a number of hinge joints rather than one or two?

63. ## math

Nine basketball players went to get pizza. They bought six pizzas. How much oizza will each one get?

64. ## History

Hi, when someone tells you to write down the pade identifier.. what am I exactly writing down? Am I putting down the citation of the website?

65. ## Chemistry

If 567mL of water are added to a flask which already contains 1.440 L, what is the new volume of water in the flask? My work: 1.400L=1440mL 567mL=0.567L

66. ## Spanish 3

Si ______ a una estrella del cine, le ______ su autógrafo y lo ______ en la pared de mi cuarto. a) conocería, pidiera, pusiera b) pediría, conociera, poneria c) pidiera, conocería, puesto d) conociera, pediría, pondría

67. ## math

5 is half of my factor. the sum of my digits is four. i'm between 30 and 100. what number am i?

68. ## economics

1) What is the key theory for understanding the politics of information?

69. ## math

A rectangular prism has a length of x+2, a width of x+1, and a height of 4. The volume of this rectangular prism is 24. What is the length and width of this rectangular prism.

70. ## physics

How can I calculate exactly where a marble will drop if it is rolling of a table with very little friction??

71. ## math

a square foot tile has a decorative line connected the diagonal corners. If the sides of the tile are 12 inches, what is the length of the diagonal to the nearest tenth?

72. ## math

how to do 3 squares with 12 sticks

73. ## math

what word can you spell with tttlrmehee

1. ## Maths

213

posted on October 9, 2018
2. ## Algebra

30-12=18 she will have to rise 18ft

posted on September 16, 2018
3. ## English

LMAOOOO

posted on August 4, 2018
4. ## grammar

someone who knows is right!! THANK YOU!!

posted on August 3, 2018
5. ## Grammar

* A LOT of work

posted on August 3, 2018
6. ## Grammar

Um ms SUEE this is A REAL SCHOOL WITH REAL TEACHERS, many other schools have such mediocre teaching methods, and i think online schools put alot of thought and flexibility, i have been homeschooled this year and i had done a loy of work my teachers ARE

posted on August 3, 2018
7. ## Math

a

posted on March 1, 2018
8. ## Life orientation

posted on February 26, 2018
9. ## Life orientation

Life orientation

posted on February 26, 2018
10. ## physics

1)The rocket is propelled by the reaction force of the exhaust gasses bouncing off the air molecules outside the rocket.

posted on September 15, 2017
11. ## 2 question

If you go to Connections, then B A D are the correct answers:) T IS CORRECT!! Thank you!

posted on February 23, 2017
12. ## Child Development Question

Negative behaviors by toddlers which tax the patience of adults may be a sign of which?

posted on December 4, 2016
13. ## Math

I meant to say at the end *Right corner

posted on September 21, 2016
14. ## chemistry

what question???

posted on March 5, 2016
15. ## Physics

F*2

posted on February 18, 2016
16. ## English

Never mind I got it.

posted on August 31, 2015
17. ## English

Then what do I go with?

posted on August 31, 2015
18. ## English

OK would it be C?

posted on August 31, 2015
19. ## physics

angle= tan-1 ((2gh)^1/2/v)

posted on April 14, 2015
20. ## History

The president ?

posted on March 26, 2015
21. ## History

I don't know, is it the Secretary of State and the head of the joint chiefs ?

posted on March 26, 2015
22. ## French help (:

I meant 1.B

posted on March 26, 2015
23. ## French help (:

2.A? 3.B?

posted on March 26, 2015
24. ## French help (:

Which are the nouns??

posted on March 26, 2015
25. ## History

ohh okay thank you again lol

posted on March 18, 2015
26. ## History

Thank you(: Now when looking for a secondary resource of the Manhattan project.. should I just type it in google and they'll pop up?

posted on March 18, 2015
27. ## Constructed Responce Help

thank you :D !!

posted on March 16, 2015