# Questions Asked onJanuary 1, 2013

1. ## ENGLISH HELP!!!

A feature article about a plane crash would be more likely than a hard news article to include ? A)the date, time, and location of the crash. B)a profile of one of the survivors of the crash. C)statistics about other crashes involving the same airline.

2. ## the science of the mind (psychology)

2. which of the following statements regarding depth perception is true? a. texture gradient is a monocular cue b.experience teaches us to perceive relative size as an indicator of the color of an object c.motion parallax is detected because we perceive

3. ## math

At a festival, 2/7 of the number of girls was equal to 3/5 of the number of boys. There were 165 fewer boys than girls. How many children were at the festival in all?

4. ## math

Madison spent 5/8 of her savings on a microwave oven & a refrigerator. She used 4/7 of the amount she spent to buy the refrigerator. The refrigerator cost \$280 more than the microwave oven. How much savings did Madison start with?

5. ## Chemistry

5. A student has the following data: V1 = 822 mL, T1 = 75°C and T2 = -25°C. He calculates V2 and gets -274 mL is this value correct? Explain why or why not.

6. ## Chemistry

5. A student has the following data: V1 = 822 mL, T1 = 75°C and T2 = -25°C. He calculates V2 and gets -274 mL is this value correct? Explain why or why not.

7. ## math

bricks are stacked in 20 rows such that each row has a fixed number of bricks more than the row above it. the top row has 5 bricks and the bottom row 62 bricks. how many bricks are in the stack?

8. ## 7th grade social studies

1. To pinpoint the absolute location of a place, geographers use (1 point) nearby landmarks. the Atlantic and Pacific oceans. the North and South poles. latitude and longitude. 2. What does the theme of movement help geographers to understand? (1 point) a

9. ## earth science

How does the wavelength of the infrared portion of the electromagnetic spectrum differ from that of the visible portion of the spectrum?

10. ## Chemistry I HN

If 720.0 grams of steam at 400.0 degrees Celsius absorbs 800.0 kJ of energy, what will be its increase in temperature?

11. ## physics

If an object is thrown in an upward direction from the top of a building 160 ft. high at an initial speed of 21.82 mi/h., what is its final speed when it hits the ground?(Disregard wind resistance. Round answer according to significant figures and do not

12. ## science

Describe and show your calculations on how you would prepare 1.00L of a 0.50M solution of each of the following a.) HCl from "concentrated" (12M) reagent. b.) Sodium Carbonate from the pure solid PLEASE SO LOST(explanation of why you did of what woulp help

13. ## physics

a ball of mass 4 kg falls to the floor; it lands with a speed of 6 m/s. it bounces off with the same speed. show that its momentum has changed by 48 kg m/s

14. ## 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

15. ## physics

what is the magnitude of the resultant of a 6.0n force acting vertically upward and a 4.0n force acting horizontally

16. ## math

an element has a BCC structure with cell edge of 288pm. the density of the element is 7.2g/cm3. how many atom are present in 208g of the element?

17. ## Physics

On a frictionless table, a 3kg block moving 4m/s to the right collides with an 8kg block moving 1.5m/s to the left. If the blocks stick together, what is the final velocity? How much mechanical energy is dissipate in the collision?

18. ## Physics

1. Suspend the meter stick by a string from its center. 2. Notice carefully where it balances. It probably will not balance exactly at 50 cm. All distances must be measured to this point (called the fulcrum). 3. Hang a 200 g mass on one side and a 50 g

19. ## Chemistry

Pharmacists sell tablets containing magnesium hydroxide, Mg(OH)2, to combat indigestion. A student carried out an investigation to find the percentage by mass of Mg(OH)2 in an indigestion tablet. The student reacted the tablet with dilute hydrochloric

20. ## math

answer the following for the given quadratic function. f(x)=x^2+x^2-8 a. what is the vertex (h,k) of f? (h,k)=? simplify your answer and type the answer in an ordered pair b. what is the axis of symmetry?

21. ## physics

A shell is fired from the ground with an initial speed of 1.54 103 m/s at an initial angle of 46° to the horizontal. (a) Neglecting air resistance, find the shell's horizontal range.

22. ## math

given that vectors(p+2q) and (5p-4q) are orthogonal,if vectors p and q are the unit vectors,find the product of vectors p and q?

23. ## math

Which of the following equations is true? 1. (3 + 4)2 + 23 = 57 2. (3 + 4)2 + 23 = 53

24. ## us history

Based on this account, what would historians be most likely to disagree on regarding the story of the Tuscarora? the history of the Iroquois nation the duration of the Tuscarora War the exact cause of the Tuscarora War the location of the Tuscarora tribal

25. ## calculus

Find the distance d(P1,P2)between the points P1 and P2. P1=(-5,2) P2=(2,1) d(P1,P2)=? *all the 1's and 2's are to be lower down.* Please show work

26. ## Geometry

in triangle ABC, BD bisects

27. ## Trigonometry

1.Solve tan^2x + tan x – 1 = 0 for the principal value(s) to two decimal places. 6.Prove that tan y cos^2 y + sin^2y/sin y = cos y + sin y 10.Prove that 1+tanθ/1-tanθ = sec^2θ+2tanθ/1-tan^2θ 17.Prove that sin^2w-cos^2w/tan w sin w + cos w tan w =

28. ## chemistry

One chirality of CH3CHClCOOH is shown below. Identify the image(s) below that exhibit the opposite chirality. Select all that apply.

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

8.058g x 10-2 kg of washing soda na2co3 10h20 is dissolved in water to obtain 1L of a solution of density 1077.2kg/m3. Calculate the molarity, molality and mole fraction of na2c03 in the solution? who helps

31. ## physics

A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials' boat pulls up next to the spy's boat, both reach the edge of a 4.2 m waterfall. If the spy's speed is 20 m/s and the officials' speed is 24

32. ## Asworth college

which of the sentences uses modifiers correctly? a. Kurt and his hockey teamm ates nearly cooked two hundred pancakes for the breakfast fundraising event. b. Rudolph enjoys eating curries from the indian delicatessen with a lot of spices. C. on the phone

33. ## Chemistry..

Can you check my answer?When sodium chloride reacts with silver nitrate, silver chloride precipitates. What mass of AgCl is produced from 75.0 g AgNO3? My answer: 63.3g AgCl

35. ## geometry

What is the area of a triangle if the base is 12 inches and the height is 18 inches?

36. ## triangle inequality - altitudes help plz

hi guys ive be struggling on this problem for a couple of days, so please help if you can Problem:Two altitudes of a triangle have lengths 12 and 14. What is the longest possible length of the third altitude, if it is a positive integer? Thanks in advance

37. ## math

the function f is defined as the follows f(x)={x+6 if -5 less than or equal to x < 1 {9 if x = 1 {-x+5 if x > 1 a. find the domain of the function f is? b. locate any intercepts; if any please show work

38. ## American Government

True or False: The U.S. "Superior" Court is the Nation's most powerful court? (is Superior and Supreme one in the same?)

39. ## Math

Total goals is 253, how many did each top player score. Erin scored the least. Macy 4 times as many as Erin. Carly scored 2 less than Macy. Shelly scored one half as many goals as Carly. Molly scored 1more than Macy.

40. ## Math

Two isosceles triangles have perimeters of 8 and 15 centimeters, respectively. They have the same base length, but the legs (the non base sides) of the larger triangle are twice as long as the legs of the smaller triangle. For each triangle, what is the

41. ## Maths

The circumference of the base of a cylindrical oil drum is 204cm. Calculate the diameter of the drum.

42. ## Chemisty I HN

How much heat (in kJ) is given when 85.0 grams of lead cools from 200.0 degrees Celsius to 10.0 degrees Celsius? (Cp of lead = 0.129 J/g)

43. ## Math.....

This is a riddle: It is night time in your bedroom and the light has broken. You are getting dressed and need a pair of socks. You have got 10 red, 8 white and 12 grey socks in a drawer- how many do you have to pull out in the dark before you know you have

44. ## maths

a horse is tied to a pole by a rope if the horse moves along a circular path keeping the rope tight and describe 176 m when it has traced out 72degree at the pole find the length of the rope

45. ## calculus

solve the equation Inx+In(x+4)=3 x= ?

46. ## Social Studies

A study of the causes of the American Revolution of 1776, the French Revolution of 1789, and the Russian Revolution of 1917 best supports the generalization that revolution is most likely to occur when?

47. ## Medical Biology

Which of the following condition could result from years of smoking? a) tuberculosis b) emphysema c) empyema d) atelectasis

48. ## calculus

solve the following exponential equation 9^x=6 I get In6/In9 what is the answer approximated three decimal places?

49. ## Math inequalities

18-2x>6x-6 I added +2x to each side 18>8x-6 then add 6 to both sides 24>8x 24/8>8x/8 3>x answer x

50. ## calculus

solve the logarithmic equation. be sure to reject any value of x that is not in the domain of the orginal logarithmic expression. In square root x+7=2 what is the exact solution? a.)the solution set is ? b.)there are infinitely many solutions c.)there is

51. ## calculus

solve the following equation Log1/3(x2+x)-log1/3(x2-x)=2 the 1/3 should be lowered and the (x^2-x) should be higher. Can someone tell me what tools to use to make them like this when posting? x= ?

52. ## for Knights

have been looking at your post ... http://www.jiskha.com/display.cgi?id=1357047578 interesting question... let the altitude of 12 hit base a let the altitude of 14 hit base b then (1/2)(12)a = (1/2)(14)b 6a = 7b a = 7b/6 let the third side be c and its

53. ## physics student

A tank holds 2.85 L of oxygen at 22.1 Celsius and 235 atm. (A) how many moles of gas does the tank contain? (B) what is the average kinetic energy per molecule ? the answer in the text book is (a) 27.7 moles (b) 2.381x10^7pa i just want the formula so i

asked by physics student need help
54. ## Math

Total goals is 253, how many did each top player score. Erin scored the least. Macy 4 times as many as Erin. Carly scored 2 less than Macy. Shelly scored one half as many goals as Carly. Molly scored 1more than Macy.

55. ## Algebra

True or False: If an agebraic expression calls for Y=8, that means that you will use the number 8 to replace the letter Y in order to solve the expression?

56. ## math

interest is 67.50 and rate is 3%, and time is 3 years. What is the principal?

57. ## math

the 10th term is 34 of arithmetic series and the sum of the 20th term is 710.what is the 25th term?

58. ## Calculus

Find the extreme value(s) of the function f(x)=1/(1-x^2). I tried, and for the first derivative I got -1/(2*sqrt((1-x^2)^3)). I then found critical values of the function to be -1 and 1. However, the textbook says that the minimum value is 1 at f(0), and I

59. ## science

The output of a laser is 3.000 W when pumped at 7 times the threshold. The optical mode in the laser is a cylinder with a diameter of 0.8 mm, and the output mirror transmission is 0.25 %. Determine the saturation intensity of the laser transition

60. ## physics

If the hockey puck lies on the ice and is struck by a hockey stick with a force of 2.60e+03 N, what is the acceleration of the hockey puck

61. ## Math

Total goals is 253, how many did each top player score. Erin scored the least. Macy 4 times as many as Erin. Carly scored 2 less than Macy. Shelly scored one half as many goals as Carly. Molly scored 1more than Macy.

62. ## Chemistry 1 HN

Find the mass of iron heated to 85 degrees celcius that was added to 54.0 grams of water. The temperature of the water changed from 20 degrees celcius to 60 degrees celcius. The specific heat of the iron is 0.045 J/g degrees celcius

63. ## physics

calculate the initial acceleration of a rocket of mass 3*10^6kg if the rocket is sitting on its launch pad with weight 3*10N and upward thrust of 3.5*10^7

64. ## math help!

48,36,27,81/4........... general term?

65. ## calculus

for the given functions f and g, find the following and state the domain of each. f(x)=square root x; g(x)=5x-1 a. (f*g)(x)= ? what is the domain of f*g? b. (f/g)(x)=? what is the domain of f/g? please show work

66. ## calculus

Find the midpoint of the line segment joining the points P1 and P2 P1=(-1,5); P2=(2,0) m=(x,y)=? type an ordered pair Please show work

67. ## maths

a trader marks his goods 20% above the CP .He then sells them at a discount of 20% .If his CP is 550 what is his gain or loss and its percentage

68. ## Accounting

Hi, When delivery eqipment is purchased on account, the transaction to be recorded by the purchaser inclues debiting: A: Delivery Equip & crediting AP B: Delivery Equip & crediting Cash C: Delivery Expense & crediting AP D: Delivery Expense & crediting

69. ## physics

A person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of vi = 16 m/s. The cliff is h = 60 m above the water's surface, as shown below. How long does it take for the stone to fall to the water? With what speed does it

70. ## math

t11=19 and t17=61.then what will be S12? arithmetic series question

71. ## history

in the 1920s, literature played a huge roll in people's lives. however, when the great depression struck in 1929, people were unable to purchase literature and books were focused on the downfall of society and how the glitz and glamour of the 1920s

72. ## chemistry

What is the value of the degree of polymerization n of isotactic PB with a molecular weight of 3.091×105 g/mol?

73. ## MATH

If I deposit \$3500.00 into an account with a annual rate of 4.5 compounded monthly how long would it to reach \$5000.00

74. ## math

What is the order from least to greatest of the fractions 4/8, 1/4, 2/6, 2/3?

75. ## writing

do you think that life on earth could become this difficult during your life time?what factor could cause to take place ?a story about that shows what life might be like in the world?

76. ## Algebra

What is the value of 20x when x = 10. (Thank you in advance and Happy New Year! :)

77. ## Algebra

Simplify: 2 + 3 . 10 Devided by 5 . 3 - 9 (Thanks and Happy New Year!)

78. ## Math

What is the sequence to this 2, 10, 10

79. ## College

Tmrw my exm plz give me soon reply ,about Measurment of viscosity and viscosity.

80. ## College

Difference between analytical and other instrumentation ? I want atleast 10points

81. ## calculus

solve the following exponential equation. 8^x=3 what is the exact answer? a. x= ? b. there is no solution what is the answer approximated to 3 decimal places? a. x= ? b. there is no solution

82. ## math help!

the 10th term is 34 of arithmetic series and the sum of the 20th term is 710 i.e S20=710.what is the 25th term?

83. ## calculus

solve the exponential equation. Express the solution in terms of natural logarithms. e^x=9.2 a. whats the solution in terms of natural logarithms? **is the answer e^9.2 or just e^9 b. type a decimal rounded to 3 decimal places.

84. ## Calculus

Is this statment true? Please explain. At a relative extrema, f'(x) = 0

85. ## math

A right triangular field has its hypotenuse is fifty cm and one side is forty cm find the aarea of it triangle

86. ## trigonometry

14. Solve sin 2x + sin x = 0 for 0 ≤ x ≤ 2π. 21. Write 2sin37°sin26° as a sum (or difference).

87. ## Algebra

What is the value of 3a when a = `4. (Thank you in advance & Happy New Year!)

88. ## Algebra

What is the evaluation of: a - 13 when a = 33. Thanks & Happy New Year :)

89. ## algebra

how do i simplify 16^1/2 in steps and explanation?

90. ## calculus

solve the following logarithmic equation. Be sure to reject any value of x that is not in the domain of orginal expression. then in the solution set round to two decimals places. Inx=8 I get e^8 But am having a hard time with rounding two decimal places.

91. ## stats

if i have a sample size of 200, 16% are poor, what is my mean and standard deviation. my answers do not make any sense

92. ## chemistry

Calculate the degree of polymerization n of polystyrene with a molecular weight of 3.091*10^6 g/mol.

93. ## math

solve This seems pretty easy but I always want a second eye for my work. x+1>6 -1 to each side x>5 Is this right?

94. ## maths

two circles of radii 10 cm and 17 cm intersect at two points and distance between their centers is 21 cm.find length of common chord

95. ## programming

what will be the c++ source code of finding the largest value among the N numbers? translate the algorithm: 1. the largest number is: 2. the smallest number is: 3. display all the numbers inputted: 4. show the final output.

96. ## calculus

solve the following equation. log 1/6 (x^2+x)- log 1/6 (x^2-x)=2 **the 1/6 is lowered on both sides and the (x^2+x) and (x^2-x) should be higher on both sides**

97. ## calculus

solve the following exponential equation. 5^x=4 a. what is the exact answer? **I think it is In4/In5 b. what is the answer approximated to 3 decimal places.

98. ## physics

Mode spacing and gain coefficient: A Nd microchip laser has an index of refraction 1.78 and a cavity length of 3.20 mm. Mirrors of reflectivity 0.997 and 0.975 are mounted directly on the faces of the chip. The emission lineshape of the laser transition

99. ## Mock Trial

Hi all, I belong to a education group, and we practice Mock Trial. Where can I find a video of a real trial going on so I can learn from it? Thanks all and Happy New Year!

100. ## algebra

What are the steps to figuring out x and y in 3x + 5y = 39.89 and what does x and y equal in the end?

What is Conceptual Framework...?

102. ## calculus

solve the logarithmic equation. Be sure to reject any value of x that is not in the domain. In square root x+7=1 x= ? What is the decimal approximation to the solution? x= ?

103. ## Physics

You slide your friend with a mass of 65 kg out of the way as they are blocking the exit and keeping you from escaping from physics class where you have been tormented by problems for the last hour and a half. The coefficient of kinetic friction between the

104. ## calculus

solve the equation. Inx+In(x+8)=3

105. ## math

How to multiply both the sides with two and add them i mean it is not possible

106. ## math

1,1,2.3,5....... what can be the general term for this?

107. ## math

A client comes to you for investment advice on his \$500,000 winnings from the lottery. He has been offered the following options by three different financial institutions and requests assistance to help understand which option would be the best for his

108. ## math

division with fraction 2/7 divided by 3/10

109. ## physics

derivation of prism formula

110. ## history

i need a hypothesis for the 19th amendment

111. ## math

interest is \$1104, principal is \$4600, and time is 4 yrs. What is rate?

112. ## maths

'A ' person gives gift to another person 'B 'on an occasion, 'B ' gives the same gift to 'C ', and so on. What is the probability that the gift returns to the person 'A ' again

113. ## Can you please revise this?

Dear Wiesel, It is a huge pleasure for me to write this letter to you. My name is name, a current high school senior at school name located in the city of city's name. I want you to know that I am a very faithful fan of yours. I enjoy your writings,

114. ## History

Should environmental policy focus on developing more oil resources or on developing renewable energy sources? Or, is there another, better way to frame the discussion?

115. ## math

Two adjacent sides of a parallelogram are four cm and five cm find the perimeter of the parallelogram

116. ## math

how can i find the product of this number 3 x 16 by breaking it ?

117. ## math

A client comes to you for investment advice on his \$500,000 winnings from the lottery. He has been offered the following options by three different financial institutions and requests assistance to help understand which option would be the best for his

118. ## math

find the equation of a line that is parallel to the line x= -1 and contains the point (-7,5) the equation of the parallel line is ? *type an equation*

119. ## Financial management

ABC Construction and Leasing Company are interested in investing in the residential real estate market due to a relatively low interest rate environment. The Company appointed you to be in charge of the project feasibility study. You have just visited a

120. ## math

1+2+3+...+100 how to find the sum of it.

121. ## math

how would i solve this function y=4x

122. ## maths

find the value of k on which the line (k-3)-(4-k)^2*g+k^2-k+6=0.

123. ## math

sam has purchased 4 sections of fences that measure 22 1/2 feet long.he needs 2 sections that measure 19 3/4 for the length and 2 sections that measure 15 3/4 feet each for the width how much fence will he have left.

125. ## Pre-Cal

Solve the following logarithmic equation. Exact words only: log 3(x+4) = 2+log3(x-20) the 3 in the part of log (3)should be lower just didn't know how to type it in here