# Questions Asked onJanuary 13, 2011

1. ## math

How do you find (in radians) the exact value of: tan[pi-(pi/12)]

2. ## Math

How can I tell if 3360 is divisible by 24 without doing division?

3. ## ChemistryDrBob222

Concentrated sulfuric acid is 18.4 molar and has a density of 1.84 grams per milliliter. After dilution with water to 5.20 molar the solution has a density of 1.38 grams per milliliter. This concentration of H2SO4 is often used in lead storage

4. ## math

Is 2340 divisible by 90 how do you know? In Math please answer quick

asked by pearl sunshine
5. ## 8th grade math

Mitchell earned a total score of 55 points. Twenty percent of the baskets he made were worth three-points each. If four-fifths of the two-point baskets Mitchell attempted were successful and he made one-third of the three-point baskets he attempted, what

6. ## Calculus

Solve the inequalities a)6x3+5x2

7. ## math

how many pairs of congruent sides does a rhombus have?

8. ## accounting

Journalizing in a General Fund: Modified Accrual Basis: Issued \$20 million in long-term bonds. Acquired several tracts of land at a total cost of \$4million, paying the entire amount in cash.

9. ## ChemistryDrBob222

Concentrated sulfuric acid is 18.4 molar and has a density of 1.84 grams per milliliter. After dilution with water to 5.20 molar the solution has a density of 1.38 grams per milliliter. This concentration of H2SO4 is often used in lead storage

10. ## physics

a coil having 1000 turns and a length of 3.14cm carries a current of 5A. calculate the magnetomotive force and the magnetizing force.

asked by danny boan
11. ## History

The main reason for middle class resentment of the French aristocracy was that: a. The aristocracy pain no taxes while the bourgeoise paid heavily b. the middle class felt shut out of so many government offices and honors c. the aristocracy was growing

asked by Nicole Anilom
12. ## Physics

2 moles of ideal gas are in a cylinder container with cross-sectional area 1*10^-2 m^3. Cylinder is fitted with a light, movable piston that is open to atmosphere, where pressure is 10^-5 PA.A 50KG MASS PLACED ON PISTON KEEPS IT IN mechanical equilibrium

The average temperature, in °F, of City B is given by the equation:y=19.5sin(pi/6t-2.06)+62 , where t is the time in months and t = 1 corresponds to January. What is the average temperature in April? Round your answer to the nearest hundredth.

14. ## math

substitution 4x + 3y = 3 7x - 9y = 6

15. ## Math

on july 16, 1882, a massive thunderstorm over Dubuque, Iowa, produced huge hailstones. The diameter of some of the hailstones was 17 in. ICe weighs about 0.033 lb/in^3;. Whas is the approximate weightof a 17 in. hailstone?

16. ## Math/Trigonometry

Find the exact value of cosθ if sinθ=-2/3, and θis in standard position with its terminal side in Quadrant IV.

17. ## Math

If sinθ=1/5 and θis in Quadrant I, find the exact value of 2θ.

18. ## Biochemistry

What is the new pH when 1mL of 1M HCl os added to 5mL of 0.1M Phosphate buffer (pH 7.4)?

19. ## honors chemistry

Which gas has solubility in water (at STP) of 3.39 L at 10.0°C?

20. ## History- French Revolution

I think the answer is a, but I would choose e if it weren't for letter d. Because I don't believe that his taxes actually resolved the financial crisis. Help, please. The financial crisis of the pre-1789 period in France: a. was caused primarily by war

asked by Nicole Anilom
21. ## Statistics

"Buy a Match 6 lottery ticket every day until you win the lottery. (In a Match 6 lottery, a player chooses 6 different numbers from the set {1, 2, 3, ..., 44}. A lottery representative draws 6 different numbers from this set. To win, the player must match

22. ## Trigonometry

Given sinθ=0.76, find θ in degrees to the nearest tenth.

23. ## Math

For problems 1 and 2, determine how many solutions there are for each triangle. You do not have to solve the triangle. 1. A = 29°, a = 13, c = 27 2. A = 100.1°, a = 20, b = 11 For problems 3-6, solve each triangle using the Law of Sines. If there is no

24. ## Math/Trig

Given A=56degrees, C=61degrees, and b=10.5, solve triangle ABC. If no triangle exists, explain why. If two solutions exist, write both. Round your answer to the nearest tenth

25. ## History- French Revolution

I'm between letter a and c. In my book it says that it made a relationship between church and state, but im not sure about making the church a department of the state.Help, please. The civil constitution of the clergy in France: a. ended the process of

asked by Nicole Anilom
26. ## chemistry

How many grams of oxygen gas are reacted if 75 g of hydrogen gas is consumed?

27. ## literacy

could you please give me an example on a poem wich uses personification

28. ## Law and ethics in allied health

ive been trying to figure this question out for 20 minutes.. if you could help me that would be great. - Dennis, a new medical assistant at Dr. Hernandez's office, notices that Beth has been waiting over an hour to get an allergy shot. Dennis has never

29. ## Physics

A speedy tortoise can run at .01 meters per second, and the hare can run 21 times as fast. I. A race they start at the same time, but the hare stops for 1.5 minutes so the tortoise wins by a shell(20cm). How long is the race? How long is the path?

30. ## math

There are 4 positive numbers whose sum is 60. Their maximum product will be :

31. ## geometry

to all the people that helped me with my recent geometry questions thankyou my grade I received was 45 out of 50 points best I've ever done in my class.

32. ## economics

You have the following data. A monopolist produces 1000 units of output per month, and sells it at the price of 10 each. You know that the monopolist does not do any price discrimination, and you also know that the price-cost margin of this firm (P-MC)/P

33. ## electrics

describe the nature of, and summarise the reasons for a three phase supply network, with reference to th national grid distribution system

asked by Karl Haxell
34. ## religion

How did Calvinism end and how?

asked by Bob Lee
35. ## math

find the current produced when a voltage of 60v is applied to a resistance of 15

36. ## chemistry

Is this a buffer system? NH3/(NH4)2SO4? It is formed by mixing NH3 (weak base) and a strong acid (H2SO4), but according to my worksheet it is not a buffer system. Why is this so? Isnt it a buffer as long as it consists of a weak base and its salt of a

37. ## Chemistry

Concentrated sulfuric acid is 18.4 molar and has a density of 1.84 grams per milliliter. After dilution with water to 5.20 molar the solution has a density of 1.38 grams per milliliter. This concentration of H2SO4 is often used in lead storage

38. ## Chemistry

Chemical equation of: 1.Digesting of food 2.Fermentation of Wine 3.Burning of fuel

39. ## French

I have a french itinerary that I have to present to the whole class.I was wondering if anybody would help me correct it. My French is not that good, and we will be graded on the mistakes we make..

40. ## geometry

The legs of an isosceles triangle have lengths 2x+4 and x+8 . The base has length 5x-2 . What is the length of the base?

41. ## quant. methods

Kim is deciding between two cell phone plans. Plan A charges a fixed monthly fee of \$100 for 1200 minutes and .25 per minute over 1200. Plan B charges a fixed monthly fee of \$55 for 1000 minutes and .33 per minute over 1000. At what point of usage would

42. ## Ethnicity

list two or three charactersistics of Orientalism

43. ## PHYSICS

coil having 1000 turns and a length of 3.14cm carries a current of 5A. calculate the magnetomotive force and the magnetizing force

44. ## algebra

/6x^2-2 = 2-x /=radical sign

45. ## algebra

2x/x-4 + 4/x-3 = 8/x^2-7x+12

46. ## Physics

100 m from a traffic light, a motorist sees it to red. If he needs to accelerate at -1 m.s ^2 to stop at the traffic light, what is the initial speed, and how long did he take to stop?

47. ## algebra

1/x+2 - 2/x+3 = 3/x^2+5x+6

48. ## stastics

Practice Problem #16 pg. 307: A researcher theorized that people can hear better when they have just eaten a large meal. Six individuals were randomly assigned to eat either a large meal or a small meal. After eating the meal, their hearing was tested. The

49. ## Fin- Management

David purchased a \$100,000 participating whole life policy. The annual premium is \$2,280. Projected dividends for the first 20 years are \$15,624. The cash value after 20 years will be \$35,260. If the premiums were invested at 5 percent for 20 years, the

50. ## chemistry

balance the following equation by half reaction method in an acidic medium: C3H8O + MnO4^- gives off C3H6O + Mn^2+

51. ## geometry

If AC = 20 centimeters, and BC = 16 centimeters, what does AB equal?

52. ## ENGLISH

Which of these events in the plot of Silas Marner best represents the complication in the novel? a.Silas tells Molly he has learned to trust again. b.Godfrey learns that Molly is dead. c.All of Silas's gold is stolen following fifteen years of self-imposed

53. ## ENGLISH RICE

The Greek playwright whose tragic heroes bring about their own destruction was ?

54. ## Health

It ask me describe the 3 elements of Health i got all but one and it wants me to define what mental health is.

55. ## ENGLISH

Which of these best characterizes the difference between meter and diction in poetry? A.Meter is the rhythmical cadence and diction is the use of language. B.Meter is the pattern of end sounds and diction is the pattern of beginning sounds. C.Meter appeals

56. ## half life

If the radiological half life of a material is 31 minutes, and you have 77 grams now, how much did you have 55 minutes ago?

57. ## engineering

If a source is emitting particles at a rate of 15,000 particles per second, what is the flux at 30 cm away from the source?

58. ## Science

how much force is needed to accelerate a 68 kg-skier at a rate of 1.2 m/sec sq

59. ## nuclear engineering

Determine the amount of energy required (in MeV) to dissociate the following elements into component parts (protons, neutrons and electrons) • Hydrogen • Deuterium • Tritium

60. ## calculus

If f(x) = x + 9 and h(x) = 5x - 3, find a function g such that g of f = h.

61. ## history

Who made the spiral notebook and when?

62. ## science

Which is traveling faster, a car going 8km/h or one going 55mi/h?

63. ## Physical Science

A quantity of water is poured into a graduated cylinder, which then reads 145ml. what is the mass of the water in kilograms?

64. ## Physical Science

If we changed our speed limit to metric, what would probably replace 10.mi/h? (please round to th enearest 1km/h.)

65. ## english

can somone help me compare and contrast twilight and beowolf? (the characters etc)

66. ## Math

5% interest rate for 5,000,00 how much after 4 years

67. ## Precal

What are the roots, real and imaginary of: Y=x^4-6x^3+9x^2-6x+8

68. ## math

If you borrow \$5,000 at an APR of 5%. Find the interest, I after 36 months

69. ## social studies

Which issue did some people think would be a problem related to NAFTA? A. increases in immigrants from Mexico B. decreases in income to governments because of lower tariffs

70. ## scientist

hi i am doing a science fair project.The project is testing memory. The problem is i am not sure how to give the memory test. the article that i found says to give the people that im doing the project on single digit numbers then double digits, but im not

71. ## Physics

How would the speed of Earth’s orbit around the sun change if Earth’s distance from the sun increased by 4 times?

72. ## chemistry

C2H2(g) + 2 H2(g)--> C2H6(g) Substance So (J/mol∙K) ∆Hº!@#\$%^&J/mol) C2H2(g 200.9 226.7 H2(g) 130.7 0 C2H6(g) -- -84.7 Bond Bond Energy (kJ/mol) C-C 347 C=C 611 C-H 414 H-H 436 If the value of the standard entropy change, ∆Sº for the reaction is

73. ## physics

A heavy bank-vault door is opened by the application of a force of 3.0 x 102 N directed perpendicular to the plane of the door at a distance of 0.80 m from the hinges. What is the torque?

74. ## physics

A heavy bank-vault door is opened by the application of a force of 3.0 x 10^2 N directed perpendicular to the plane of the door at a distance of 0.80 m from the hinges. What is the torque?

75. ## PHI.: 103

what fallacy is this? I don't know what colleges are teaching these days! I have just received a letter of application from a young man who graduated from the state university last June. It was a wretched letter – badly written, with elementary errors in

76. ## science

a marathon race is 42.2km. what is the length of a marathon in meters? recall that 1000m= 1km.

77. ## algebra

How would you explain to a 6th grader the difference between solving a system of equations by the algebraic method and the graphical method?

78. ## Chemistry

NH4HS(s) NH3(g) + H2S(g) ∆H_ = +93 kilojoules The equilibrium above is established by placing solid NH4HS in an evacuated container at 25°C. At equilibrium, some solid NH4HS remains in the container. Predict and explain each of the following. (a) The

79. ## Algebra

Sam two student loans totaled \$31,000. One of his loans was at 2.8% simple interest and the other at 4.5%. After one year, Sam owed \$1024.40 in interest. What was the amount of each loan?

80. ## Nuclear Physics

If a polonium-210 (Po-210) atom has just decayed, how close can the ejected alpha particle get to a neighboring Po-210 nucleus? Hint: W = F*r !@#\$%^&q1q2/r 2

81. ## physics

Identical +1.45 µC charges are fixed to adjacent corners of a square. What charge (magnitude and algebraic sign) should be fixed to one of the empty corners, so that the total electric potential at the remaining empty corner is 0 V?

Applying the strategy used by David Windorski at 3M to other organizations would suggest that these firms should

83. ## physics

Two point charges, +3.30 µC and -5.50 µC, are separated by 1.29 m. What is the electric potential midway between them?

84. ## Math

Write an equation in slope-intercept form of the line that passes through the given points. 1. (-3,4), (1,4) 2. (3, -2), (6,1)

85. ## Psychology

• Post a 200- to 300-word response to the following: Describe the stages of sleep. In which stage do we dream? What are the five common beliefs about dreaming? What are the two common theories about dreams? Which of the two theories do you agree with?

86. ## IT computer memory

Hi, Can someone check this for me please.. 18 MB of data are to be transmitted over a a megabyte per second connection. How long should the complete transaction take, to the nearest 0.1s. Size of file / data rate so, 18MB x 10^6 x 8 bits = 144,000,00 4

87. ## physics

What voltage is required to store 6.90 10-5 C of charge on the plates of a 7.00-µF capacitor?

88. ## math

factor it. 81r^2-36rs+4s^2

asked by jenna d
89. ## math

solve by factoring. x^2+5x+6=0

asked by jenna d
90. ## math

2x^2-x-3=0

asked by jenna d
91. ## statistics

1. Suppose the number of students in line during office hours: # of Students (X) Probability P(X) 0 0.40 1 0.30 2 ???? 3 0.10 a. If you knew that the number of students in line was between 0 and 3, what is the probability that will be 2 students in line

92. ## math

A rectangle is 4 times as long as it is wide. A 2nd rectangle is 5centimeters longer and 2 centimeters wider than the first. what are the dimensions of the original rectangle?

93. ## MATH!!!!!

there are 15 terms in the expansion of the binomial (a+b)^n. determine the value of n. please explain to me how to come about this! thanks!

94. ## MATH!!!!!!!

state whether or not a constant will appear in the expansion of (x+y)^11 what does this mean? please help

95. ## CSI 115 Logic And Design

Hi I know you have got this same question ask to you a lot, but mine is for week 2 unstead of week 1. This week they want me to come up with and Create the Modular Design for the same subject as week 1, example underneath please. A small startup software

96. ## binomials math

expand the following binomials (2x-1)^5 (x+3y)^3

97. ## english

1. The young student (noun), who was new to (preposition) the school, wants (verb) to join the debating and (conjunction) fencing clubs, 2. I (pronoun) dream nightly (verb) to play the guitar (noun) in (preposition) the school (adjective) band. 3. The

98. ## campridge trigonometry

prove that ; tan20 . tan30 . tan40 = tan10

99. ## Chemistry 211

Chlorine pentafluoride gas is collected at -14.0 degrees Celcius in an evacuated flask with a measured volume of 30.0L When all the gas has been collected, the pressure in the flask is measured to be 0.260atm. Calculate the mass and number of moles of

asked by Melissa Carder
100. ## grammar

Need to identify five adverbs in this paragraph. I think I am correct but would like a second opinion. Thanks for your thoughts. LITTLE FOCKERS is the “continued” (adverb) antics of Greg and Pam Focker (Ben Stiller and Teri Polo) who “now” (adverb)

101. ## com/155

Review pp. 517–520. Describe your experience with credit and credit cards in a brief paragraph using at least five adverbs and five adjectives in your description. Bold the adverbs and underline the adjectives. What is the most effective way to determine

102. ## Math

What is the next number in the pattern 20,000; 4,000; 800; 160?

103. ## Algebre=Please check

Could someone check my answers for these two questions, please? What is the equation of the line which includes points (2,6) and (0,0) y = -3x+1 y = -3x y=3x ( my answer) y = 3x+1 Equation of line with slope m = -3 and including point (5,) is y = - 3x+20 I

104. ## statistics

Suppose the number of customer complaints per day on the morning shift 6-12 noon at Doys is distributed as # of complaints f(x) 0 .3 1 ? 2 .2 what is the value of the missing probability? What is the average number of complaints per day on the morning

105. ## stats help!

suppose the number of customer complaints per day on the morning shift (6am-12) at Murph's Coffee is distributed as follows: Complaints f(x) 0 .3 1 ??? 2 .2 a) what is the value of ??? b)what is the average number of complaints per day on the morning

106. ## statistics urgent

Consider all cars that are involved in an accident and assume that all cars are classified as either small or large. The probability that a small car is involved an accident is .2 if a small car is involved in an accident, the probabbility that there was

107. ## s.s

antarctica stations worksheet what have ice cores shown that have to do with carbon dioxide?

108. ## earth

what is an eleven letter word produced by geothermal plant

109. ## Documents

What does it mean by Enclosed Documents? documents that I am going to send or that are required

110. ## Social Studies

What group of people did the black plague benefit in england and the surrounding aread?

111. ## physics

An electron in a computer monitor enters midway between two parallel oppositely charged plates. The initial speed of the electron is 6.15 x 10^7 m/s and its vertical deflection is 4.70 mm. (a) What is the magnitude of the electric field between the plates?

112. ## Debug=true

The source code that generated this unhandled exception can only be shown when compiled in debug mode. To enable this, please follow one of the below steps, then request the URL: 1. Add a "Debug=true" directive at the top of the file that generated the

Find two exact values of sin(cosˉ¹√5/6)

114. ## math

whch division sentence will give an answer that is not in equal groups? 26/4 35/7 42/6 or 45/5

115. ## percentage

you have 50 students one day and 70 the next what is the percentage increase

116. ## Comprehensive science ADV

Overview: Enviromental problems, Endangered animals are becoming endangered one of the examples are the panamian godlen frog. And when i posted the first question it was the wrong one!! The real one is... Question: Describe What is being done to save

asked by Enviromental Problems
117. ## algebra

evaluate polynominal x=2 -3x^3+7x^2-3x-2

118. ## algebra

Divide 48x^9-24x^3=40x 8x

119. ## algebra

x^2+4x-47 x+8

120. ## Stupid Algebra

13a squared times b(-4a cubed b cubed c) and no, I am not making this up. PLEASE HELPP POOPOO

121. ## MATH

why would you use the measurement 3yd 2ft instead of 2yd 5ft?

122. ## Language Arts

What is a simile-cliche?

123. ## history

Explain the significance of the thinking and writing of Noah Webster and Thomas Jefferson

124. ## Algebra

A music downloading website reports that nearly 5 out of 7 songs are pop music. According to this infomation how many of the next 500 songs are pop music?. Round it to the nearest whole number.

125. ## Geometry

The measures of all angles in a regular octagon are (4x + 12)°. Find the value of x. Show equations and all work that leads to your answer.

126. ## science

What is the name of the process when carbon dioxide moves blood to the alveoli?

127. ## science

WHAT ELEMENT OR ATOM INTERACTS WITH CARBON

128. ## stats help!

What 2 numbers is the emperical rule of 95% between if the P of no shows is .10 and the average party size is 10

129. ## Chemistry - help thanks

A supplier provides "Chemical A, 98%, for synthesis". Another supplier provides "Chemical A,98%, Lab grade" Are they equivalent? Which is better for analytical use? Thanks.

130. ## biology

A eukaryotic gene typically has all of the following features except: a) an operator b) control elements c) a promoter d) introns e) a terminator

131. ## math

what is the mean for the family sizes of 12,8,6,5,4, people? explain your answer.

132. ## Math

PLEASE HELP!!! beth has 60 toy cars and trucks. 75% of them are blue. How many are blue?

asked by Ra'ven Johnson
133. ## physics

the frequency of yellow lights is 5.00 x 10^14 Hz. if it travels through space (where v= 3.00 x 10^8m/s) find the wavelength of this light.

134. ## World studies

What were some social issues in Romania?.

135. ## Trigonometry

Verify the identity: cos x + sin x tan x = sec x.

136. ## Math/3rd grade

If you forget the product of 9 and 9, what can you do to figure it out?

Given sine of alpha=2/3 and cosine of alpha is less than zero, find the exact value of the other five trigonometric functions.

138. ## chem

Use the periodic table to write electron configurations for each of the following elements. (Type your answer using the format [Ar] 4s2 3d10 4p2 for [Ar]4s23d104p2.) 1. Pd thanks

139. ## 4th grade

a) the quotient of 24 divided by 5.= 4.8 b)27/6= 4.5 c) 18/4 = 4.5 d) 30/5 = 6 describe in your own words what problems a, b and c have in common that make them different from d .

140. ## English

Can you pleas help me check these sentences, please? Thank you very much. 1) The book tells about/is about/deals with (are they all correct?) a boy who was killed in a car accident. 2)I liked this year's Christmas holidays because they were very long. 3)I

141. ## English 3

Great Gatsby Chapter 1. Why is Nick telling the story? Why is nick "confused and disgusted" at the end of this chapter?

142. ## math

A necklace was priced between \$50 and \$100 was on sale at 25% off. When the original price (a whole dollar amount) was discounted, the sale price was also a whole number of dollars. What are the possible original prices for the necklace?

143. ## Social Studies

Here are some questions i need help on. Ture or False 1.Grmans came from an area of Germany that had been devastated during a numder of wars. 2.Quaker women parted fully in religious affairs.

144. ## MATH combinatorics

miguel line sup 5 cups of pop (labelled Cup 1, 2, 3, 4, 5) on a table. sandra then tastes each cup and records "D" if she thinks its diet pop or "R" if she thinks its regular pop. a. how many different ways can the Ds and Rs be recorded if sandra guesses

145. ## pre algebra

the midpoints of each side of triangle NOT are connected to make a smaller triangle inside triangle NOT. If the area of triangle NOT is 16 in squared, what is the area of the smaller triangle?

-4(x^-8)=84

147. ## Math

Use a ruler to create a 6" x 8" rectangle. Cut rectangle on a diagonal. Use the two triangles to create four new shapes. List the most specific shape and its perimeter

148. ## hitory

when was Martain Luther king JR. born

149. ## World History

I'm trying to answer an essay question asking me to describe Islamic principles or characteristics that are unsettling when an American considers the role that Islamic extremists have played in terrorist attacks. Any idea where to look for good examples?

150. ## History

when was Martin Luther King JR. born

151. ## 8th grade Math

Hi I need help with my math problem. It is: Name the function rule from the table given. Table- X= Y= -4 4 -2 2 0 0 answers: y = -x y = -4 y = 2x y = x I do not get how to solve this problem!

152. ## algebra

what is the estimate for 5 1/3 x 24?

153. ## writing

in class can you writ in cursiv

154. ## math/trig

I have two questions as I review for a test tommorow, any help is much appreciated!! Solve: 1) 4sin^2x=2cosx+1 2) cscx+cotx=1

155. ## math/trig

I have two questions as I review for a test tommorow, any help is much appreciated!! Solve: 1) 4sin^2x=2cosx+1 2) cscx+cotx=1

156. ## government

how do the articles get changed?

157. ## U.S History

How has media affected American Society through out history? Provide Three Examples.

158. ## Chemistry

methanol and aluminum are reacted. how many moles of methanol must burn to raise the temperature of 100g of aluminum by 80 degrees Celsius?

159. ## English

I have a few other questions I forgot to ask you in my previous post. Can you see if the following remedies are possible? 1) Have you hurt yourself? Does it hurt? Are you hurt? Yes, I think broke my finger (Can you say that?) 2) I've broken my leg. I think

160. ## pc basics

Computers are classified by price, processing speed, capacity, and

161. ## Equations

Hi..I am pretty sure of this answer just need confirmation. THANK YOU! (6x^2-5x+17)+(8x^2+9x-55)= 14x^2+4x-38.

162. ## Equations

Just need confirmation. I believe it is correct. THANK YOU SO MUCH. (x^2+x+3)(x-3)=x^3-2x^2-9

163. ## pc basics

Which one of the following is most directly related to your printer's output?

164. ## Science

Is this chemical equation correct and properly balanced, C3H4 + 5O2--> 3CO2 + 44H2O ?

165. ## math

if there are 24 marbles in a set,how many are 2/4 of the set?

166. ## Clocking Tectonic Plates

Explain how you could calculate the average speed of the Pacific Plate over the past five million years, then calculate the value? I tried searching the internet for this, I came up with nothing, and I just don't get this question.

167. ## math

if there are 24 marbles in a set,how many are 2/4 of the set?

168. ## chemistry

I got E) for the first and couldn't figure out the other one. Can any one verify the first and help with the second?? In which of the following processes is there a decrease in the potential energy of the substances involved? A) a coil spring is compressed

169. ## math

Using a grid. Draw two different figues that each have a perimeter of 14.

170. ## physics, bike

After fixing a flat tire on a bicycle you give the wheel a spin. Its initial angular speed was 6.50 and it rotated 15.2 revolutions before coming to rest.What was its average angular acceleration?

171. ## english

Is "A choking gall and a preserving sweet." a gerund of gerund pharse.

172. ## math

WHAT IS THE RATIO OF 9 AND 12

173. ## Algebra 2 Trig Honors

logof3(x-1)+ logof3(3x-1)=2

174. ## math (fractions)

could you show me how to multiply 1/3 and 3?

175. ## IT Data transmission

Hi, Can someone check this for me please.. 18 MB of data are to be transmitted over a 4 megabits per second connection. How long should the complete transaction take, to the nearest 0.1s. Size of file / data rate so, 18MB x 10^6 x 8 bits = 144,000,00 4

176. ## science

C3H8+5O2--->3CO2+4H2O is this chemical equation correct and equal? If not why?

177. ## physics

a car starts from rest and travels for 4.2 s with a uniform deceleration of 1.8m/s^2. what is the final velocity of the car?

178. ## 7th Grade Science

help me find the answer to this question for tomorrow... can you think of any examples from the real world where lowered genetic diversity is impacting a species' ability to survive?

179. ## Biotechnology

What are the active ingredients in cocaine? (What causes people to abuse it?)

180. ## social studies 20-1 (URGENT)

examine each source below and write in paragraph form, a response in which you: -interpret each source to identify and explain the perspective(s) related to Nationalism. -identify and discuss one or more ideological concepts that are refleted in the

181. ## Chem

What is the energy (e) of electromagnetic radiation having a frequency of 6.32 x 10^20 s^-1?

182. ## Clocking Tectonic Plates

As I was reading through one of the websites, I happened to come across this sentence. Wegener's explanation was that as the continents moved, the leading edge of the continent would encounter resistance and thus compress and fold upwards forming mountains

183. ## Math

if log(x+1) 27=3 find the value of x *(x+1) is the base i know that the answer is 2 but i have no clue how to get that

184. ## Social Studies

POSITION PAPER With the source provided below write an essay (4 paragraphs) in which you: -Identify the ideological perspective(s) reflected in the source. -Establish and argue a position in response to the question under discussion. -Support your position

185. ## Definition

Could u please define this word to me as simple as possible. "Plume"

186. ## english

I have a bunch of sentences that I need to change and make them into simple and complex sentences. Can you help so that i know i am doing it right?

187. ## Clocking Tectonic Plates

Explain how you could calculate the average speed of the Pacific Plate over the past five million years, then calculate the value? These plates are in constant motion travelling at a few centimetres per year. This is the information I found, but I still

188. ## Algebra

if x, y, and z are positive numbers, with xy = 24, xz = 48, and yz = 72, what is x + y + x? please explain how you got tha answer too. thank you.

189. ## Math

If you're given a 90 degree angle split down the middle, and one of the angles is 30 degrees, what would the other angle be? sorry im not too good at math

190. ## Math

How to write a math story that includes 4 examples... Possible math topics include: introduction to functions investigating quadratics quadratics highs & lows exponential functions fiancial applications of exponential function acute triangle trigonometry

191. ## MATH

Solve for y in the following system of equations: x - y = -1 3x + 5y = 21

192. ## Algebra

-3+5(-6)-[8-6*7)-4(13-5)]-3(-8-10) Order Of operation

193. ## math helpy

Evaluate: 16^-3/4

194. ## chemistry

how do you calculate the aqueous by product produced when you have the mass of the beaker with the product after it dried and it has dried?!?! im so confused

195. ## chemistry 2

how many grams of calcium nitrate need to be dissolved in 250 mL of water to form a solution that has a freezing temperature of -3.2 degrees C

196. ## physics

a 65kg student holding a 5 kg ball is at rest on ice. if the student throws the ball at 3m/s to the left, what is her velocity after throwing the ball

197. ## math

what is the resipical of 9

198. ## physics

a 65kg student holding a 5 kg ball is at rest on ice. if the student throws the ball at 3m/s to the left, what is her velocity after throwing the ball

199. ## Chemistry

An object has a mass of 50 grams and a volume of 51 mL would this object float or sink?

200. ## physics

An automobile tire is rated to last for 45,000 miles. Estimate the number of revolutions the tire will make in its lifetime.

201. ## math

which has the greater area: a square with a side that measures 7 meters, or a 6-by-8 meter rectangle? what is the area?

202. ## MATH

Solve by using elimination: 7x - 2y =3 2x +y = 4 ?????????????????

203. ## math

Solve Equation by Adding or Subtract fraction using Addition property of Equality or Subtraction property of equality. x-5/6 = 1/10

204. ## MaTH

Rearrange the terms of the equations fo form Ax + By = C I really get confused about general form, like how do I do it, I don't understand at all. x+3y = -1 2x+4y-12 = 0

205. ## geometry

the area of a parallelogram is 507 square cm, and its height is three times its base. find the base and the height.

206. ## Health

is it bad to do the same kind of sit ups every night?

207. ## math

How do you solve this problem? Find the slope-intercept equation of the line that has the given characteristics. Slope 8 and y-intercept (0,5) The slope-intercept equations is y=

208. ## Math

Need help problem solving-- A 500 space parking lot is packed with motorcycles and passenger cars, with only one vehicle in each space. How many motorcycles & cars r there if the total number of tires on the parked vehicles is 1650? I think I have to do

209. ## math

Sparky weighs 3/4 of her weight, plus 3/4 of a pound. How much does she weigh?

210. ## algebra

from our text book "Bittenger, M. L. & Beecher, J. A. (2007). Introductory and intermediate algebra (3rd ed.). Boston: Pearson-Addison Wesley" can someone please help me with "Review examples 2, 3, and 4 in section 8.4 of the text. •How does the author

211. ## computer science

which is better live support or email?

212. ## Calculus

The half-life of radioactive strontium-90 is approximately 31 years. In 1960, radioactive strontium-90 was released into the atmosphere during testing of nuclear weapons, and was absorbed into people's bones. How many years does it take until only 11

213. ## 11th grade math

How do you do Absolute Value Functions with graphs?

214. ## world history

explain how the alliance system involved countries with no other national security interest involved.

215. ## Math

Mrs. Chans math class contributed 2 dollars and \$1 coins to an earthquake relief fund. the number of \$1 coins contributed was 8 less than 5 times the number of \$2 coins contributed. if class raised total of 160 bucks, how many coins of each type was

216. ## Calc.

a)If f(x)= x/(x+2), 1 less than or equal to x less than or equal to 4, find the left and right sums for n= 10, 30, and 50. b)Illustrate by graphing the rectangles in part a. c)Show that the exact area under f lies between 1.603 and 1.624. So this is all I

217. ## Calculus

In the year 2005, a picture supposedly painted by a famous artist some time after 1815 but before 1865 contains 96.5 percent of its carbon-14 (half-life 5730 years). From this information, could this picture have been painted by this artist? Approximately

218. ## anytihing, i graduated from harvard

will the world end on 2012

219. ## algebra

-13=3(x+2)-10

220. ## math

if x, y, and z are positive numbers, with xy = 24, xz = 48, and yz = 72, what is x + y + x? please explain your answer too. thankyou.

221. ## algebra

if x, y, and z are positive numbers, with xy = 24, xz = 48, and yz = 72, what is x + y + x? please explain your answer too. thankyou.

222. ## algebra

if the perimeter is 72 than how much square feet of carpet would you need?

223. ## Algebra II

Suppose a market research company finds that at a price of p = \$20, they would sell x=42 tiles each month. If they lower the price to p = \$10, them more people would purchase the tile, and they can expect to sell x = 52 tiles in a month's time. Find the

224. ## World History

How was the grenade developed to help the war effort?

225. ## Necessary Math HELp

2x + y = -5 3x +5y = 3 How come I have to multiply by 5 to make the y variables cancel, like what does that mean? I don't get how ur supposed to multiply like where and how? Im really stuck right now, please help:(

226. ## physics

If a soccer player kicks a ball with a force of 130 N, what force does the ball impart on the player's foot?

227. ## Math ---Helper

Helper I really need ur help with some of my math questions down below, ur the best math tutor on here, need ur help please.

228. ## chemistry

the following reaction is carried out in a bomb calorimeter: 4NH3 (g) +5O2 (g)-->4NO (g)+6H2O (g) The calorimeter constant is 45.0kJ/K. when 34.0g of NH3 are reacted in the calorimeter, the temp rises by 10 degrees C. What is the change in energy, delta E,

229. ## Physics

a 10 kg gun recoils with a speed of 0.1 meter per second as it fires a 0.001kg bullet. what is the speed of the bullet as it leaves the gun

230. ## English

Hey guys, I was just wondering if you could help me find or explain to me media influence in the Hunger Games. I know this is a big part of the story, but I really need clarification. Thanks a lot guys!

4=4/9+y

232. ## chemistry

Does Kv2SOv4, Kv2COv3 or KCv2Hv3Ov2 create the greatest increase in pH when mixed with water?

233. ## chemistry

consider the following reaction: C3H8 (g)+ 5O2 (g)--> 3CO2 (g)+ 4H20 (g) Delta H = -2440kJ The heat of formation of CO2 is -390 kJ/mol and the heat of formation of H2O is -240 kJ/mol. What is the heat of formation of propane?

234. ## chemistry

consider the following reaction: 2C2H6(g)+7O2 (g)-->4CO2(g)+6H2O (g) delta H = -3120kJ If 3.00g of ethane are burned, how many kJ of heat are produced?

n+2/3=1/9

236. ## english

Hi I have some questions and I would really if you answer my questions! I want to be Nurse Practitioner and I am very passion about it. But I have a lot of problems. First English is not my native language, second I am not good at math, third I am kind

237. ## Math

Need help problem solving-- A 500 space parking lot is packed with motorcycles and passenger cars, with only one vehicle in each space. How many motorcycles & cars r there if the total number of tires on the parked vehicles is 1650? I think I have to do

238. ## Biology (immune system)

How does the immune system help maintain homeostasis? Help me please :(

239. ## science

How do you find neutrons in an element from the periodic table

asked by manuel sandoval
240. ## algebra

A problem that is similar to the examples talked about are St Marks Community babraque served 250 dinners. A childs plate cost \$3.50 and an adults plate cost \$7.00. A total of \$1347.50 was collected . How many of each plate was served?

241. ## math

Please help! How do I solve x/3 times5/8 = 5/12?

n+2/3=1/9

243. ## pre-algebra

can you please help me find the common denominater to this problem? n+2/3=1/9

244. ## optimization

A model space shuttle is propelled into the air and is described by the equation y= (-x2/2e) +ex (in 1000 ft), where y is its height in feet above the ground. What is the maximum height that the shuttle reaches?

245. ## History

What is absolution?? In detail Please :)

246. ## geometry

Paul claims, the probability of rolling a sum of 6 when you roll two dice is 1/11, because two dice have sums 2 through 12 which means there are 11 possible sums. "How do you respond?"

247. ## english

what are some ways to save and store your personal financial information

248. ## Geometry

Robert says that if you toss three coins you get 3H (#Heads), 2H (2 Heads), 1 H (1 Head), or OH ( 0Heads), so the probability of getting three heads is 1/4. How do you respond?

249. ## History

How does the Quiet Revolution 1960, PQ was elected 1976, referendum 1980, constitution 1982, assimilation 1840, plains of abraham 1759, Distinct society- 1990 Cobtributed to the rise of seperatism in Quebec?

250. ## Science

Sediment rocks are formed from _____ that are cemented and pressed together. I don't have a book to look in.

251. ## MAATH

Rearrange the terms of the equations fo form Ax + By = C I really get confused about general form, like how do I do it, I don't understand at all. x+3y = -1 2x+4y-12 = 0

252. ## Social Studies

How many people (Jews, Non-Jews, etc.) died in concentration camps during the Holocaust in WWII?

253. ## Science

The ____ of the cell is the control center of the cell.

254. ## math

mr. m has an 8 inch by 11 inch sheet of paper. He created a box by cutting congruent squares from each corner.The base of his box is 54 square inches.How much did he cut from each corner.

255. ## math

sparky weighs 3/4 of her weight, plus 3/4 a pound. how much does she weigh?

256. ## Description

What are descriptive words? what category do they fall under? Adjectives? Whats difference between adjective and verb? Verbs are action words right?

257. ## math

Cher has forgotten the combination to her locker. She knows it consists of four numbers -- 3, 5, 7, and 9 -- but she can't recall the order. She decides to try every possible order until she gets the right one. How many possible orders are there?

258. ## Science

Photosynthesis requires ____ , ____ and _____

asked by Jennifer A
259. ## grammar

Write the correctword or words in the (parentheses). 1. (she,her) and grandfather lived in Swiss Alps. (She) 2. Heidi and (he,him)tend goats together. (he) 3. Grandfather is stern, although no one is kinder then (he,him). (him) 4.(we, us) readers grow fond

260. ## 3rd grade math

Barry says 9x8x(any oter number) will always be greater tan te product of 2x9x4. Do you agree? Explain?

261. ## Math

mr. m has an 8 inch by 11 inch sheet of paper. He created a box by cutting congruent squares from each corner.The base of his box is 54 square inches.How much did he cut from each corner. (algebraic solutions only)

262. ## chemistry

I got E) for the first and couldn't figure out the other one. Can any one verify the first and help with the second?? In which of the following processes is there a decrease in the potential energy of the substances involved? A) a coil spring is compressed

263. ## third grade math

How do I answer this......Write three ways to find 3x2x4.

264. ## 3rd grade math

How do I answer this......Barry says 9x8x(any other number) will always be greater than the product of 2x9x4. Do you agree? Explain?

265. ## To Helper

I had a problem to solve, and I don't get how to make equations from this problem. Mrs. Chans math class contributed 2 dollars and \$1 coins to an earthquake relief fund. the number of \$1 coins contributed was 8 less than 5 times the number of \$2 coins

266. ## physics

Consider the three electric charges, A, B, and C, shown in the figure. A-----------B-----------C -q +q +q The Distance between is same. Rank charges from largest to smallest magnitude of the net force they experience and can any one tell me how?

267. ## physics

When two identical ions are separated by a distance of 4.0×10^−10 , the electrostatic force each exerts on the other is 5.7×10^−9 . How many electrons are missing from each ion? what i did was used coulombs law to find the value of q1 and q2 , so

268. ## Algebra

Economy Movers charge \$85 plus \$40 an hour to move households across town. Helpful Moving Company charges \$60 an hour for cross-town moves. For what lengths of time is Helpful Moving Company more expensive?

mr. m has an 8 inch by 11 inch sheet of paper. He created a box by cutting congruent squares from each corner.The base of his box is 54 square inches.How much did he cut from each corner. (algebraic solutions only)

asked by To Ms. Sue
270. ## physics

A +5.0-uC charge experiences a 0.48-N force in the positive y direction. If this charge is replaced with a -2.7-uC charge, find the magnitude of the force in this case Find the direction of the force in this case. help please i am confused

271. ## FAST MATH HELP

Need help problem solving-- A 500 space parking lot is packed with motorcycles and passenger cars, with only one vehicle in each space. How many motorcycles & cars r there if the total number of tires on the parked vehicles is 1650? I think I have to do

272. ## possessive nouns

the chirps of the baby birds are quiet.

273. ## physics, dynamics

Car A starts from rest at t = 0 and travels along a straight road with a constant acceleration of 2 m/s2 until it reaches a speed of 27 m/s. Afterwards it maintains this speed. Also, when t = 0, car B located 2000 m down the road is traveling towards A at

274. ## us history

"Although the economic growth of the United States between 1860 and 1900 has been attributed to a governmental policy of laissez-faire, it was in fact encouraged and sustained by direct government intervention." Assess the validity of this statement. What

275. ## Geometry

Alek's mean on 10 tests for the quarter was 89. He complained to the teacher that he should be given an A because he missed the cutoff of 90 by only a single point. Explain whether it is clear that he really missed an A by only a single point.

276. ## Geometry

Can a triangle have two obtuse angles justify your answer.

277. ## geometry

Can a parallelogram have four acute angles justify your answer.

278. ## Pre-algebra

solve: 4(4-3x)+14x>32

279. ## 5th math

I need help with my math .What is the least Common Multiple (LCM) for 6,4,and 8.? please! show how you get the answer. cause, i got( 2,2,2) i'm not sure of myself at all. thank you! another one problem i'm really confuse is the Write a 9- digit numeral

280. ## geometry

A girl wants to calculate the height of her family's teepe. She iss 112 cm tall and she finds that when she is inside and stands so that hher head touches the side, her feet are 64 cm from the edge. If the teepe is a right circular cone with a diamter of

281. ## Geometry

Suppose you have three sticks of lengths 10 cm, 20 cm, and 31 cm. Can you arrange these sticks into a triangle? If not, why not?

282. ## Geometry

If eacj dimension of a box is quadrupled, how are the surface area and the volume affected?

283. ## Geometry

What happens to ethe surface area of a sphere if the diameter is tripled?

284. ## 4th grade

i need help solveing crossword puzzle

285. ## math

2x-3y=12 x=4y+1 substitution, elemenation

286. ## Calculus

solve |x2-x+1|>3

287. ## african american history

Discuss the controversies concerning the racial identity of ancient Egyptians. What is the significance of this controversy for the history of African-Americans?

288. ## science

Do you use genotypic ratios for blood types?

asked by Jacob Cobbs
289. ## COMM 155

use at least 5 adverbs and 5 adjectives to write a brief review of a movie bold each adverb underline each adjective use at least 3 comparatives and 3 superlatives Twilight is romantic, intriguing, and full of subtle humor. It is a modern day love story of

290. ## Pre Calc

The half-Life of radioactive earthium is 2651 years. Find how many years it will take 100 grams of earthium to decay to 10 grams. I know the equation is A=Ae^(-rt) I tried working it out but I think I am doing it wrong. I did 10=100e^(-r*2651) Can anyone

291. ## Physics

An arrow directed at a stationary target is shot at an angle of [E 25 N]. The arrow hits the intended target at the same height from which it was launched, 3.0 s later. a) Determine the distance from the archer to the target. b) At what angle should the

292. ## 3 G Math

How do I answer this......Barry says 9x8x(any other number) will always be greater than the product of 2x9x4. Do you agree? Explain?

293. ## trigonometry

can you explain to me in details please of how these type of questions can be answered without using a calculator to find the direct answer. Find the following functions correct to five decimal places: a. sin 22degrees 43' b. cos 44degrees 56' C. sin

294. ## Pre-Calculus

1.The angle of elevation to top of a building from a point on the ground 20degrees and the angle of elevation from a point to 25 feet farther away is 12degrees. Find the height of the building. 2.From a point on the ground, the angle of elevation to the

295. ## Physics

A 14,245N auto with a velocity of 6.0m/s crashes into a brick wall. If the car moves 64.0 cm before coming to a stop, what average force does the car exert on the wall?

296. ## Physics

A 14,245N auto with a velocity of 6.0m/s crashes into a brick wall. If the car moves 64.0 cm before coming to a stop, what average force does the car exert on the wall?