1. English expression

He has big ears, a small nose and a small mouth. ------------------ Q1) In this sentence can 'He has' be contracted into 'He's'? Q2) He's a son. What does 'He's' mean? He is / He was / He has

2. Physics

Two charges are arranged on the x axis so that there is a positive charge of 3.6 micro C at the orgin and a negative charge of .2.5 micro C located 2.5 centimeters to its right. to the nearest cetimeter, where on the x axis should a positive charge be

Suppose when Russia opens to trade, it imports automobiles, a capital-intensive good. According to the Heckscher-Ohlin theorem, is Russia capital abundant or labor abundant? Briefly explain. What is the impact of opening trade on the real wage in Russia?

4. Physics

Two charges are arranged on the x axis so that there is a positive charge of 3.6 micro C at the orgin and a negative charge of -2.5 micro C located 2 centimeters to its right. to the nearest centimeter, where on the x axis should a positive charge be

5. ti-83 plus

Hi I am learning to use my ti-83 plus.. I was learning scatter plots yesterday and changed the settings accordingly. I don't remember what I did. But scatter plots worked fine. But now I want to go back to the normal graphing mode. When I enter a function,

6. Spanish for Jennifer

The Imperfect is used: 1. To express a continuous action in the past. (Juan leía el periódico = John was reading the newspaper.) 2. To express a repeated or customary action in the past. (Yo lo veía todos los días = I saw (=used to see) him every day.)

7. Physics

A small electric immersion heater is used to boil 191.0 g of water for a cup of instant coffee. The heater is labeled 355.0 W, which means that it converts electrical energy to heat at this rate. Calculate the time required to bring this water from 12.0°C

8. Algebra

compound inequality write the solution set using interval notation and graph -7x+1>=15 or 5x+3>=-17 -1 -1 -3 -3 -7x/-7>=14/-7 5x/5>=-20/5 x>=-2 x>=-4 {-2,sideways8) {-4,sideways8) On my graph I have a { at -2 Does someone know how to do this?

9. calculus

find the sum of the series: 1. the sum from n=1 to infinity of ((-1)^n*(.2)^n)/n I simplified this to: (-.2)^n/n I know this is alternating, but how do I know what the sum is? 2. the sum from n=0 to infinity of 1/2^n Is this geometric with n^(-2)? and if

10. Physics

Show that the total mechanical energy of a satellite (mass m) orbiting a distance r from the center of the Earth (mass M-e)is: -(1/2)*(G m M-e)/(r if U = 0 at r = infinity. Show that although friction causes the value of E (mechanical energy) to decrease

11. Physics (Mechanics)

A uniform plate of height H= 0.69 m is cut in the form of a parabolic section. The lower boundary of the plate is defined by: y= 1.10x^2. The plate has a mass of 5.62 kg. Find the moment of inertia of the plate about the y-axis. Alright, I've done this so

12. algebra

For the following equation, state the value of the discriminant and then describe the nature of the solutions. -2x^2+3x-7=0 What is the value of the discriminant? Which one of the statements below is correct? The equation has two imaginary solutions. The

Solve (x+17)(x-20)(x+8)>0 The solution set is (x )? Use at least one inequality or compound inequality to express your answer. For answers with more than one inequality, separate the inequalities by a comma or the word 'or'. Type R is the answer is all

14. English Grammar

He is a math teacher. He is a Math teacher. Do I have to capitalize Math or not? are both OK?

15. precalculus applications

How do I find the equation of a sinusoidal curve from just knowing the lowest point and highest point of it? For example: A weight attached to the end of a long spring is bouncing up and down. If we do not worry about friction, its distance from the floor

16. Physics

A particle with mass 6.4 is acted on by a conservative force moves along a path given by: x=5.2*cos(2.2t) y=5.9*sin(2.2t) Find the potential energy of the particle at t = 1, x = 8.0, and y = 14.7 while assuming that the initial potential energy equals

17. Physics

Three identical charges of 50 micro C are arranged at the points of an equilateral triangle 2 meters on a side. What is the net force on each charge?

18. Algebra HELP!

solve 7x+5(-3x-4)=-21-7x 7x+(-15x-20=-7x-21 -8x-20=-7x-21 7 7 -8x-20+7x=-21 -1x-20=-21 20 20 -1x/-1 = -1/-1 x=1

19. spanish

Did I use the preterite/imperfect forms of these verbs (words in capitals) correctly in the following two paragraphs? i'm having a lot of trouble with this concept. thanks for the help Recuerdo la boda de mi primo John. El OS CASASTEIS con Victoria cuando

20. government

I need to ask at least 10 people the 20 polling questions below for my Government class. However, the one exception is that you must be 18 or older to answer these questions. Thanks for the help! 1. Which of the following statements best reflects your

21. Science

hi i have a science exam on tuesday and i don't understand this question and really need some help. Define: reactant and product

22. Anatomy and Physiology

During an emergency roon exam for an injured arm,the doctor palpates the arm's entire length,starting at the shoulder and ending at the fingers of the hand. What is this process called I was wondering if anyone knows a good website where I can find out

23. Algebra

find all real or imaginery solutions. I came up with {-6,6}, is this correct or have I missed something? -4k^2+144=0 -144=-144 -4k^2/-4=-144/-4 K^2=36 x=+or- sqrt 36 x=+or-6

24. human services

what is the difference between a performance budget and a program budget? why does a human agency need to knoe this information?

25. Algebra

We are suppose to find distance between points and the midpoint (9,8) and (2,1) I used the distance formula which I thought was the way I should do it. If I should not have used this, can someone tell me what I did wrong or what formula I should have used?

26. Algebra

Can someone tell me if these problems have the right answers? I am tooooooo old to know this any more. I understand the first one, but 2&3 are vaguely familiar. 25x^2+25x+6=0 the answer is x=-1/2 +/- 1/10 #2 solve for V=1/3Bh for B answer is B=V/ 1/3h #3

27. Physics

A particle with mass 6.4 is acted on by a conservative force moves along a path given by: x=5.2*cos(2.2t) y=5.9*sin(2.2t) Find the potential energy of the particle at t = 1, x = 8.0, and y = 14.7 while assuming that the initial potential energy equals

28. biology

My teacher asked quite a few questions, but these are the ones with which I am having trouble...I have re-worded them somewhat for clarity. Can anyone please help me! Thank you! _____________________________________ Methotrexate is a cancer drug that

29. Finance

The Victoria Nursery, which provides facilities for pre-school children on a commercial basis, is preparing its cash budget for next year. A profile of the estimated revenues and expenses for the first four months of the year is as follows: Jan Feb Mar Apr

30. maths

A salesman paid 6.5% commission for ech sales over \$4000 but 4% otherwise.If he makes three sales \$5500,\$6300 and\$3400,how much commission does he expect to receive ?

31. English Grammar

I know that determiners can not be uses together before nouns. Am I right? For example, He is my best friend. This sentence is correct. However, He is the/a my best friend. This sentence is wrong, for both 'the' and 'my' are determiners. Is my explanation

32. Algebra

HELP! an object moves in a straight line given by s=2x^2-3t where s is in meters and t is the time in seconds the object is in motion. how long to nearest tenth will it take to move 17 meters? my attempt s=2t^2-3t 17=2t^2-3t -17=-17 0=2t^2-3x-17 t=-b +or-

33. Anatomy and Physiology

Please check my answer thanks True or False An example of an organic molecule is table salt I said False

34. Anatomy and Physiology

Please check my answer thanks True or False Keratinized cells are found in the body by the subcutaneous layer of the skin I said True

35. Nursing

Is it useful to separate particular populations, since most people belong to more than one?

36. French

So,if there is no liaison with être, then the "s" in "je suis" is never "carried-over"? For loss of a better example, if I were to say "je suis intelligent(e)", the "s" would not be attached to the "i" in "intelligent(e)" - right?

37. COM 135

Which topics covered in this course were the most important to you? These are the ones I chose proposals, reports, and the manual and all that consists of in making one. How will you use this information in your technical communication? Technical

38. French

I am sorry, I wasn't referring to the liaison between "est" and "il" but between the "comment" and "est-il" In other words, one would not say "commentet-il" even though one does say "commentallez-vous" ? I realize that liaison between "comment" and

39. Algebra Problem

State the value of the discriminant and the number of real solutions. t^2+14t+49=0 The value of the discriminant is 0 and the equation has no real solution.

40. English expression

1. The lower prices are, the more people will buy. 2. The lower prices are, the more people buy. ---------------------- Which one is right? Ae both OK?

41. Science

hi i have a science exam on tuesday and i don't understand this question and really need some help. Draw a diagram of a) Magnesium Atom, Mg b) Fluorine ion, F1-

42. Science

hi i have a science exam on tuesday and i don't understand this question and really need some help. How many electrons, protons and neutrons in the following: a)Br1- b)Be2+ c)Ne d)P1- e)Fe

43. Science

hi i have a science exam on tuesday and i don't understand this question and really need some help. List the different parts of an atom and give their definition.

44. Science

hi i have a science exam on tuesday and i don't understand what isotopes are??

45. Professional Communication

I missed the answer to this question what is the similarties and differences between routine, positive, negative, and persuasive message?

46. Anatomy and Physiology

PLease check my answer thanks The burn that involves destruction of the epidermis,dermis and subcutaneous layers. My answer A thrid degree burn

47. Anatomy and Physiology

Please check my answer thank you An approach to skin cancer treatment would involve surgery, either alone or combined with what ? I think chemotherapy

48. Accounting

What is the overall goal of consolidated financial statements? Why are 100% of the assets and liabilities of an investee included in the parent's financial statements, when only 51% of them may be actually owned?

49. pre algebra

Is this how I would multiply? like if you have a whole number 3and 1/2yd multiplied by 4yd. Would I first multiply the 4x3 = 12 and 1/2? or no?

50. Algebra

line slope 6/7 going through (0,7) y=mx+b y=6/7x+7 -7*(6/7x+y)=7*-7 the answer I come up with is 6-7y=-49 is this right?

51. algebra

This is how my book shows it, but I don't know solve the equation by factoring 35-x^2+2x=0 x^2 x^2 35+2x=x^2 -2x=-2x 35-35=x^2-2x-35 0=x^2-2x-35 (x-7)(x+5) (x-7)(x+5) x-7=0 x+5=0 x=7 x=-5 (7)^2-2(7)-35 -5^2-2(-5)-35 49-14-35 25+10-35 0 0 Solution set is

52. Algebra

interest formula A=2pf/b(q+1) find A to nearest percent p=12, f=\$1209, b=\$4900, Q=36 A=2*12*\$1209/\$4900(36+1) A=\$29,016/\$4900(37) A=\$29,016/\$181,300 A=0.160044126 so......is my answer 16%??????????

53. eth 125

What is the definiton of legislative events?

54. slope-intercept form

find the slope and y-intercept 7x-4y=6 y=mx+b 7x-4y=5 y=7x/4-5/4 m=7/4b=-5/4 (?)

55. French

Why is there a liaison with "comment allez-vous" and not with "comment est-il"?

56. absolute value inequality help

solve and write in interval notation |6x+2|

57. Math

Identify the equation as an identity, inconsistent equation or conditional equation. 1-3/2x=7/4 my answer is it is an inconsistent equation

58. cultural diversity

what role did civil disobedience play in the Civil Rights Movement

59. French

Thank you for answering my questions!!! Merci beaucoup pour réponder à ma question. (I hope that's correct :-)

60. Cultural Diversity

Describe 2 methods to calculate prejudice.

61. Physics

An object of mass 7.0 kg falls through a height of 47.0 meters and, by means of a mechanical linkage, rotates a paddle wheel that stirs 0.670 kg of water. The water is initially at 5.5 deg C, What is the maximun possible temperature of the water? (Answer

62. Math

I need help solving this problem. 17 11/12 ÷ 6 1/10

63. Anatomy and Physiology

Please check my answer thanks True or False The process of breaking a complex substance down into smaller components is called metabolism I said true

64. math

solve for x. 1.25x^2=13 2.2(x-5)^2=3

8*0

66. French

Sometimes "de" is used with the plural (instead of "des") - please explain when this is so.

67. French

is there a way to know when an "h" is "muet" or " aspiré" - without having to memorize all of them?

68. algebra

Find the greatest common factor for the group of terms -30a^2,5a^4 Would the answer be 5a^2?

69. Accounting

What is minority interest? In what ways is it like debt and in what ways is it like equity?

70. values

name a value or belief that is considered superficial

71. Pre Algebra

How can I find the area of the shape when it has three units? Heres how it looks: Thanks to who helps :)

72. absolute value

|8m+7|=9 8m+7=-9 or 8m+7=9 -7=-7 -7=-7 8m/8=-16/8 8m/m=2/8 m=-2 m=1/4 the solution set is {-2, 1/4} Is this correct or do I need to go further or completely wrong!

73. algebra

find center and radius of circle (x-6)^2+(y+9)^2=121 -(x-6)^2 -(x-6)^2 (y+9)^2=121-121-(x-6)^2 (y+9)^2=+/- ã121-(x-6)^2 -9 -9 y=-9+/-ã121-(x-6)^2 does anyone know is this the answer or do I go further???????????????????????

74. Algebra

Given the function h described by h(x)= x + 5, find each of the following. h(0)=

75. Algebra

Given the function f, described by f(x)=10x, find each of the following: A) f(-5) B) f(19) C) f(26)