# i need help

Most popular questions and responses by i need help
1. ## Science

What is the main difference between mechanical and electromagnetic waves? A. Mechanical weaves involved transfers energy; electromagnetic waves do not B. Mechanical waves require a medium to travel in; electromagnetic waves do not***** C. mechanical waves

2. ## Science

Why does the design of the vacuum flask minimize heat transfer by conduction? A)One flask is smaller than the other flask. B)One flask is more reflective than the other flask. C)There is no air between the two flask. D)The two flask do not touch each

3. ## math

1. Which is a set of collinear points? J,H,I L,H,J J,G,L L,K,H 2. Use the diagram to identify a segment parallel to. 3. The meadure of angles A is 124. Classify the angle as acute, right, obtuse, or straight. Acute Straight Right Obtuse 4. Find the

4. ## Social Studies

Compare the U.S. response to Soviet actions in Afghanistan with the U.S. response to Soviet actions in Poland. A. The United States condemned Soviet policy towards both countries. B. The United States adopted a policy of detente in both countries C. The

5. ## Science

For an experiment, you place 15 g of ice with a temperature of -10 C into a cup and label A. You also place 25 g of ice at the same temperature into another cup and label it B. Which of the following statements is true? A) The average kinetic energy of the

6. ## Science

Without this system in the body, you would get really sick because toxins and waste would build up? (A) Cardiovascular (B) Excretory (C) Integumentary (D) Muscular I think its A, I really need this answered.

7. ## Social studies

which statement best describes the location of south west Asia

8. ## Probability

A box contains 95 pink rubber bands and 90 brown rubber bands. You repeatedly choose a rubber band from the box, record the color, and put the rubber band back in the box. The results are shown in the table below. Find the experimental probability of each

9. ## social studies

"in 1996 Congress approved economic sanitation against South America to force an end to apartheid. sanctions are measures aimed to make a country change its policy. american companies were forbidden to invest in South Africa or import South African

10. ## Language Arts

what form of nonfiction is this most likely from? A)An address B)A biography C)A Memoir D)An expository essay I think its A I need this too be answered quick!

11. ## Math

Solve the proportion G/56=2/8 A)g=14 B)g=16 C)g=13 D)g=50(I pick this)

12. ## Health

Trans fat can be best be limited in the diet by (A) Drinking low-fat milk (B) Eating chicken instead of beef (C) Eliminating milk. (D) Limiting baked goods.

13. ## math

sin a=3/5, a lies on quadrant 1 and sin b=5/13, b lies on quadrant 2. Find cos(a+b)

14. ## Science

You digestive system has three main functions: digestion, absorption, and elimination. In which organ does absorption begin? A)Mouth B)Stomach C)Small intestine D)Gallbladder I think its C.

15. ## Technology

what is the term for the various items that you save on your computer such as documents spreadsheets images or videos A.extensions B.files C.folders D.conventions I need help ASAP.i think the answer is B. if any one knows the answer to lesson 4 unit 1

16. ## Language Arts

In the multi-drafting process, what does a reader look for in the second reading of a drama? A)How each scene moves the story forward B)When and where the action takes place(I PICK THIS) C)The theme of the drama D)The internal and external conflicts

17. ## social studies

1.) what does vinicius life reveal about economic cultural and geographic divisions in brazil 2.) what opportunities exist for young people to build better lives for themselves and their families 3.) what challenges might people from poorer regions face

18. ## Art

When creating a piece of art for aesthetic purposes, the artist considers? (A)How she can design a practical object. (B)How she can show an event in history. (C)What she thinks is pleasing and beautiful. (D)What she can show about her cultural. heritage

19. ## geography/history

What is the main revenue source of the caribbean islands? agriculture manufacturing mining shipping

20. ## Math

The support of a wood table is in the shape of a right triangle. Find the third angle of the triangle if the measure of one of the angles is 24°.

21. ## Language arts, plzz help

Which themes from Jane Eyre would a feminist critique of the novel most likely explore? Select all that apply. Love Role of women morality independance

22. ## Math

A isosceles triangle has two angels that measure 75. What is the measure of the third angle of the triangle? A)30 B)40 C)75 D)90***

23. ## Writing research

What were some arguments and counter arguments of Martin Luther King's " I have a dream" speech? I have recognized bias, fallacies, and rhetorical devices. I am having trouble identifying counter arguments.

24. ## Technology

if you have a document that is relevant to more than one folder on your computer what should you do. A.Save the document to the most appropriate folder. B. Save the document in each folder. C. Save the document in My documents rather than in one of the

25. ## math

Chris works at Higgins’ Automart and is selling a new Shelby Mustang for \$59,000. If he earns a commission of 3%, how much money does he earn? Write a proportion and show all steps of your work

26. ## math

1. if 1/3 is equivalent to 33 1/3% what percent is equivalent to 2/3? 2. Alice plays basketball. in one game she shoots 21 free throws and makes 81.25% of them. Estimate how many free throws she makes. 3. Estimate 48% of \$23.95

27. ## history

Which of the following was a reason for the outbreak of the Cold War? A. disagreements over war payments by Germany B. direct military conflict between the United States and the Soviet Union C. an alliance formed by the United States and the Soviet Union

28. ## Science+Help

Please help I don't understand how to find my calculations and this is due today The length of a football field is 100 yards. When you compare geologic time (4.6 billion years) to the length of a football field, you will find that each yard on the field

29. ## biology

What is the corresponding mRNA sequence from the DNA strand, CGA-TTA-CAG, produced as a result of transcription?

30. ## Algebra 1

Write and solve an inequality that represents the given situation. If Lisa increased her rate by 15 mi/h, then in 2 hours she would travel a greater distance than she does in 3 hours at her present rate. What do you know about her present rate?

31. ## Math

If Mr. Henderson has 2 bouncy ball machines and buys one bag of the 27-millilitter balls (180 per bag) and has a40-milliliter bag (80 per bag), if puts an equal number in each machine how many bouncy balls will he have?

32. ## English

could anyone help with Surviving Auschwitz?

34. ## Math PLz Help

I need help figuring out this problem I have tried everything but cannot get the answer. I have to find the coordinates of a qualiteral using vwxy after a scale factor of two Here are the The coordinates V (6,2), W(-2,4) X(-3,-2) Y(3,-5) PLease help me

35. ## Physics

A physicist converted 2 kg of water at 37 degrees celcius to steam at 100 degrees celcius. Assuming no heat is lost, calculate the amount of energy needed to heat to 100 degrees celcius.

36. ## physics

Persons A and B are standing on a board of uniform linear density that is balanced on two supports, as shown in the figure. What is the maximum distance x from the right end of the board at which person A can stand without tipping the board? Treat persons

37. ## History

In which geography region of Texas is NASA Johnson Space Center located A.Coastal plains B.Great Plains C.Mountain and Basins D.North Central Plains I think it is A or B

38. ## Math PLz Help

I need to find the coordinates of vwxy with a scale factor of two could you please help I have tried every way. V(6,2) W(-2,4) X(-3,-2) Y(3,-5)

39. ## Math

A web-site asks users to create a 5-symbol PIN code where first and second symbols are any letters from the English alphabet and next 3 symbols are any digits. How many different PIN codes can be created?

40. ## Language arts

Information in the intry tells you that sabotage A. Can be used as both verb and noun. B. Is used as a noun but almost never as a verb. C. Is an old-fashioned word that is no longer used. D. Should be used only to describe work disputes.

41. ## Physics

A cart loaded with bricks has a total mass of 22.3 kg and is pulled at constant speed by a rope. The rope is inclined at 27.3◦degrees above the horizontal and the cart moves 9.3 m on a horizontal surface. The coefficient of kinetic friction between

42. ## Physics

A 3 kg block collides with a massless spring of spring constant 90 N/m attached to a wall. The speed of the block was observed to be 1.5 m/s at the moment of collision. The acceleration of gravity is 9.8 m/s^2. How far does the spring compress if the

43. ## Physics

A 3.9 g mass is released from rest at C which has a height of 0.9 m above the base of a loop-the-loop and a radius of 0.4 m. The acceleration of gravity is 9.8 m/s^2. Find the normal force pressing on the track at A, where A is at the same level as the

44. ## Physics

A block of mass 2.48 kg is kept at rest as it compresses a horizontal massless spring (k= 113 N/m) by 4.65 cm. As the block is released, it travels 0.462 m on a rough horizontal surface before stopping. The acceleration of gravity is 9.8 m/s^2. Calculate

45. ## Math

Solve the Equations 142=58-7x 2x+96=-44-3x -26=-7x+4(2x-4) 7x+5(-4x-4)=-124 -7x-35=28 10x+36=-108-2x

46. ## Anti-Derivatives

find the antiderivative of f(x) = x^3(x-2)^2 Someone help me please!

47. ## Math

Design a rational function with the following characteristics: three real zeros, one of multiplicity 2; y-intercept 1; vertical asymptotes x=-2 and x=3; oblique asymptote y=2x+1.

48. ## math

The speeds in miles per hour of 30 cars were checked by radar. The data are as follows: 62 67 69 72 75 60 58 86 74 68 56 67 82 88 90 54 67 65 64 68 74 65 58 75 67 65 66 64 45 64 Find the upper and lower quartiles

49. ## physics

thanks for the help for before I have a new question now... figures sense this text book asks questions that it dosen't even explain how in the pages before review questions... ok so I learned how to conver measurements in like seventh grade and sense then

50. ## Algebra 2

prove that a negative number divided by a positive number is negative

51. ## History

What happened when the Spanish found the French colony. A. They engaged the French settlers in warfare and killed many of them B. The gave the land to the French. C. They joined forces with the French. D. They were motivated to settle in other areas of

52. ## History

How does sequencing events on a timeline help historians. A. It allows them to consider events with specific dates. B. It helps them consider events outside of their time periods. C. It helps them understand relationships between events. D. Understanding

53. ## PreClac

The height in inches about the ground of the tip of the hour hand is a function, h(t), of the time (t), in hours. The hour hand is 6 inches long and the middle of the clock face is 68 inches about the ground. Identify the period, midline, and amplitude of

54. ## Algebra II

Find the complex zeros of the polynomial function: x4+5x2+4

55. ## FRENCH... AGAIN

Hey guys, I'm just wondering, how do you say fun facts in french? I really need some help. THNX!

56. ## math

the ph of a solution is 3.6 what is it hydrogen ion concentration

57. ## physics

A ladder of mass 39.0 kg and length 3.18 m is leaning against a wall at an angle θ. The coefficient of static friction between ladder and floor is 0.298; assume that the friction force between ladder and wall is zero. What is the maximum value that θ can

58. ## Biology

True or False?: The random segregation of chromosomes during meiosis explains Mendel's observation that genes for different traits are inherited independently of each other.

59. ## Math or Science

My task is to find the thickness of a piece of tin foil. I cut out a square 100mm by 100mm. I weighed it's mass and got .65g Tin foil has density of 2.7... So then Volume = .65/2.7 g/cm^3 I get .24 g/cm^3 The teacher said to get my answer in millimeters so

60. ## Physics

what um it's like a measurement but the u is all wierd... I'm trying to convert 462 um to centimers... anybody can tell me an easier way to convert measurements?

61. ## Biology

So the question is: What is the evolutionary significance of the 'Euglena' that forms a perspectie of utiliazing pigments to capture light energy? I researched for hours but couldn't find information on evolution of Euglena. please help ASAP! Thank you!

62. ## History

What information would you need to create an absolute chronology of the Texas revolution A. Key revolutionary figures B. Locations of significant events.... C. Relationships to other eras. D. Specific dates of battles

63. ## Math

5.   r • 1 = r   Commutative Property of Addition Identity Property of Multiplication *** Commutative Property of Multiplication Identity Property of Addition 6.(5y + 2) + 14x = 5y + (2 + 14x)   Associative Property of Addition Associative Property

64. ## trigonometry

parameterize the portion of the unit circle that begins at the point (-root2/2, root2/2) and ends at (0,-1)

65. ## physics

Forces of 9.93 N and 1.23 N act at right angles on a reddish-green block of mass 3.02 kg. How much acceleration occurs?

66. ## math

Solve the Equations 142=58-7x 2x+96=-44-3x -26=-7x+4(2x-4) 7x+5(-4x-4)=-124 -7x-35=28 10x+36=-108-2x

67. ## Math

Solve the Equations 142=58-7x 2x+96=-44-3x -26=-7x+4(2x-4) 7x+5(-4x-4)=-124 -7x-35=28 10x+36=-108-2x

68. ## math

x+9=11 m-6=15 -72=6w

69. ## Algebra

How many ounces of other metal must be added to 56 ounces of pure silver to make a composition that is 70% silver? Please help me set this problem up

70. ## Chemistry

The high acid rain which falls in the Northeast frees aluminum ions from the soils. The tree absorbs the aluminium ion. The sap is basic so the aluminium ion becomes aluminum hydroxide. Aluminium hydroxide is a large bulky molecule that plugs the

71. ## SOCIAL STUDIES

which region(s)have the most peole living near each other?

72. ## Math

Design a rational function with the following characteristics: three real zeros, one of multiplicity 2; y-intercept 1; vertical asymptotes x=-2 and x=3; oblique asymptote y=2x+1.

73. ## math

how do i explain how there are 4 lines of symmetry in the Alabama state flag?

74. ## biology

What is the environmental influence of the alexander disease? If you don't know can you at least explain what that question means?

75. ## Physics

ok so I have no idea what I'm suppose to do or what this question is even asking me... determine the units of the quanity described by the following combinations of units: a. kg (m/s)(l/s) b. (kg/s)(m/s^2) c. (kg/s) (m/s)^2 d. (kg/s) (m/s)

76. ## U.S. GOVERNMENT

HOW SERIOUS ARE THE CURRENT CLAIMS OF "JUDICIAL ACTIVISM" AND THAT UNELECTED JUDGES ARE MAKING LAWS? EXAMINE THE CLAIMS THAT BOTH POLITICAL PARTIES MAKE REGARDING THIS CLAIM AND ASSESS THE VALIDITY OF THEIR ARGUMENTS. I NEED TO WRITE A PAPER ON THIS BUT

77. ## Math

Write an expression and then evaluate when x = -6. Nine subtracted from the quotient of twice a number, x, and three.

79. ## Language

1. When developing answers for smaller four. Extended response questions how many sentences should you develop? 2. When developing answers for a larger essay questions how many paragraphs should you develop? 3. What does RARE stand for and why is RARE

80. ## Math

Solve the proportion 5/8=y/40 A)y=25 B)y=13(I pick this) C)y=11 D)y=10

81. ## physics

What would be the resultant vector with an angle of 30° with the +x axis and has a y component of 8.9 Newtons?

82. ## physics

What would be the resultant vector with an angle of 30° with the +x axis and has a y component of 8.9 Newtons?

83. ## physics

Forces of 8.85 N and 2.21 N act at right angles on a stack. What is the mass of the stack if it accelerates at a rate of 4.4 m/s^2?

84. ## calculus

Evaluate each of the following. Show all your calculations. f" (−3) if f(x)  = 4x^3 − 3x^2 + 2x − 6

85. ## U.S HISTORY

WHAT LAWS DIRECTED TRADE BETWEEN ENGLAND AND THE COLONIES? PLZ HELP

86. ## History

What was the Reformation in Europe?? Thanks! From: I need help

87. ## SOCIAL STUDIES

what is the connection between how virginia is divided into regoins and the elevations of the land?

88. ## science

Does anyone have BC science 10 workbook answers (assessments)?

89. ## Algebra 2

to go from a/c divide (-b)/c to this a/c - b/c I don't know what axiom it is or how I go from that to that

90. ## math

what is the value of 11x - 2 when 7x + 3 = 17? 7 times 2=14 +3=17 11 times 2=22 -2=20

1. ## Math

i need help with the connections accademey version of it pls somone help:(

posted on May 17, 2019
2. ## Math

...... Soo I basically do 1000÷700

posted on May 14, 2019
3. ## LanguageArts

posted on May 9, 2019
4. ## ELA

so which ones are right

posted on April 19, 2019
5. ## Beliefs of Christianity

hi is right thanks.

posted on April 11, 2019
6. ## Social Studies help

The answer is C&A as of right now

posted on April 11, 2019
7. ## Science

posted on April 11, 2019
8. ## Social Studies

So D?

posted on April 8, 2019
9. ## Language arts

yeah Im doing lesson 19 unit test and I need answers badly because i have lots of overdue lessons help pppppplllllllllllzzzzzzzz!!!!!!!!!!!!!!!!!!!!!!

posted on March 31, 2019
10. ## Language arts

I only have 24 questions for my lesson 19 unit 2 test

posted on March 31, 2019