Questions Asked onMay 5, 2014

1. speech

traditional african marriage is an advantage for men only not women?

2. Science help ASAP

1. In which way does the circulatory system rely on the skeletal system? Glucose is secreted by compact bone as an energy source for blood. Spongy bone stores minerals needed by blood cells. Bones provide a source of oxygen to blood. Blood cells are

3. Chemistry

Consider a fuel cell that uses the reaction of ethanol with oxygen to produce electricity, CH3CH20H(l)+ 3O2(g)---> 2CO2(g)+3H2O Use thermodynamic data to determine the value of E°cell for this cell at 25 °C. I don't really know where to start. I got the

4. math?

how do i figuire this problem out? .. A deep-sea diver must descend and ascend in short steps to equalize pressure on his body. If the diver rises toward the surface too fast, he may suffer from a physical condition called “the bends.” Suppose the

5. Chemistry

Calculate the enthalpy change for the reactions NO(g) + O(g) → NO2(g) from the following data: NO(g) + O3(g) → NO2(g) + O2(g) ΔH = -198.9 kJ O3(g) → 1.5O2(g) ΔH = -142.3 kJ O2(g) → 2O(g) ΔH = 495.0 kJ Put the answer in kJ.

6. English

Use a __________ after an independent clause that introduces a clause, a phrase, or even a single word that explains the original clause. A. comma B. colon C. semicolon D. dash

7. English

Which of the following is used for titles of subdivisions of published works, such as chapters of a book? A. Quotation marks B. Underline C. Italics D. Bolded text D

8. math graphs

4. Which equation would you use to find out if the two lines in the graph are parallel? (1 point) LINE #1: point a: 1, 4 point b: -2, 1 LINE #2: point c: 3, 3 point d: -1, -1 a. 4 - 1/-2 - 1 = 3 - 1/3 - 1 b. 4 - 1/-2 - 1 = 3 - (-1)/3 - (-1) c. 4 - 1/1 -

asked by Divergent Dauntless
9. English

Which of the following is NOT considered to be a short introductory expression? A. Okay B. Yes C. Oh D. Well A

10. Chemistry

Given the thermochemical equation 2SO2 + O2 → 2SO3, ΔH°rxn = -198 kJ/mol, what is the standard enthalpy change for the decomposition of one mole of SO3?

11. English

Identify the sentence that is punctuated correctly. A. Researchers know little about the distinctive market behavior of that group. B. Website programming systems have existed for some time but, they originally were difficult to use. C. In connection with

12. English

Identify the correct sentence. A. Wilma does'nt have too much trouble distinguishing between "their, there, and theyre." B. Wilma doesn't have too much trouble distinguishing between their, there, and they're. C. Wilma doesn't have too much trouble

13. Chemistry

The heat of solution of ammonium chloride is 15.2 kJ/mol. If a 6.187 g sample of NH4Cl is added to 65.0 mL of water in a calorimeter at 26.5°C, what is the minimum temperature reached by the solution? [specific heat of water = 4.18 J/g°C; heat capacity

14. English

Choose the correct use of apostrophes in the next sentence. Marcs ambition is to buy his uncles 1947 Dodge and restore it to its original condition. A. No apostrophes needed B. Apostrophes in “Marcs” and “uncles” C. Apostrophes in “Marcs” and

15. One Algebra Question~!

The time, t, required to drive a certain distance varies inversely with the speed, r. If it takes 7 hours to drive the distance at 55 miles per hour, how long will it take to drive the same distance at 65 miles per hour? (1 point)

16. English

Identify the sentence that is correctly punctuated. A. When the police recover the lost merchandise—a diamond bracelet, they will notify you. B. When the police recover the lost merchandise (a diamond bracelet), they will notify you. C. When the police

17. English

Whereas a semicolon separates, a colon usually: A. is a mark of introduction. B. denotes items in series. C. follows a transitional expression. D. concludes a sentence. B

18. math

Loan amount = $10,000 Monthly payments =$258.50 Time of loan contract = 5 years True annual interest rate (to the nearest tenth) =

19. English

Identify the sentence that is correctly punctuated. A. Clara did not study very much for her biology test, therefore, she guessed at many of the answers. B. Clara did not study very much for her biology test; therefore she guessed at many of the answers.

20. English

Identify the sentence that is punctuated correctly. A. Boston, Massachusetts played an important role in American history and politics. B. Boston, Massachusetts played an important role, in American history and politics. C. Boston, Massachusetts, played an

21. ~Algebra question~

The time, t, required to drive a certain distance varies inversely with the speed, r. If it takes 7 hours to drive the distance at 55 miles per hour, how long will it take to drive the same distance at 65 miles per hour? (1 point)

22. English

Never divide: A. the last word on a page. B. a word less than two syllables. C. a contraction. D. All of the above D

23. English

The appropriate mark to introduce a bulleted list is a: A. colon. B. semicolon. C. period. D. No punctuation A

24. Math

Mr. Farmer plans to harvest 305% of what he sows. How many bushels of corn must he sow to reap 900 bushels?

asked by Rhett cowley
25. English

The only acceptable way to divide words at the end of a line is: A. to let the computer decide. B. before the last three letters. C. between syllables. D. after the first three letters. C

26. chemistry: please check work

How many grams of solute are contained in 64.3 mL of 0.0238M KOH? Do I convert 64.3ml to L=.0643L Multiiply .0643L and .0238M KOH=.00153 Multiply .00153 and 56.105 g/mol KOH=.0858g KOH

27. physics

Which of the following statements is not true about resonance? Answer It is easy to get an object to vibrate at its resonant frequencies but difficult to get it vibrate at other frequencies. A simple pendulum has many resonant frequencies called harmonics.

28. English

The mens clothing shop also does alterations, so Robin brings her dresses and skirts there to be hemmed. A. No apostrophes needed B. Apostrophe in “mens” C. Apostrophes in “mens” and “alterations” D. Apostrophes in “alterations” B

29. English

Identify the correct sentence. A. The high school is located at 15385 Sheridan St., Pembroke Pines, FL. B. The high school is located at 15385 Sheridan Street, Pembroke Pines, Florida. C. The High School is located at 15385 Sheridan Street, Pembroke Pines,

30. English

My father was a hard working man but didn't earn much money. A. Correctly punctuated B. Add a comma after hard C. Close up hard working D. Add a hyphen after hard A

31. science (weather & climaate

Science 6 B - Weather and Climate Unit Test i go 2 conections acedemy

asked by Melia Pinter
32. Physics

The angular velocity of a process control motor is (21−12t2) rad/s, where t is in seconds. A)At what time does the motor reverse direction? I got 6.5s B) Through what angle does the motor turn between t =0 s and the instant at which it reverses

asked by HELP PLZ
33. English

Identify the sentence that is punctuated correctly. A. These products may not seem as exciting as they did in the past but maybe that's the time to do a little buying. B. Prior to Webster's complete two-volume edition he had compiled three shorter and

34. English

Identify the sentence that is punctuated correctly. A. The operating costs, as he probably told you, are too high. B. The operating costs, as he probably told you are too high. C. The operating costs as he probably told you, are too high. D. The operating

35. English

The semicolon separates: A. divisions of time. B. titles and subtitles. C. long or formal quotations. D. equal and balanced sentence elements. D

36. English

Which of the following means expressing someone else's exact words? A. Direct quotation B. Paraphrasing C. Plagiarizing D. Indirect quotation B

37. English

Identify the correct sentence. A. The River in Hackensack, New Jersey overflowed during Hurricane Sandy. B. The river in Hackensack, NJ overflowed during hurricane sandy. C. The river in Hackensack New Jersey, overflowed during Hurricane Sandy. D. The

38. English

Identify the sentence that is punctuated correctly. A. He whispered, "I love you," and then fainted. B. "Your idea is excellent" said Matt, "but I'm not sure we have the budget to implement it." C. "I don't believe it!" exclaimed, Mr. Ripley. D. She

39. English

When addresses appear within the text of a document,: A. always abbreviate the street, city, and state. B. it is optional to abbreviate the parts of the address. C. spell out the parts of the address. D. always abbreviate the street and city and spell out

40. English

When addresses appear within the text of a document,: A. always abbreviate the street, city, and state. B. it is optional to abbreviate the parts of the address. C. spell out the parts of the address. D. always abbreviate the street and city and spell out

41. English

To indicate a word is slang or informal usage,: A. enclose it in quotation marks. B. explain it in parentheses. C. underline it. D. None of these; do not use slang or informal terms. A

42. physics

A beam of electrons moving in the x-direction at 8.3Mm/s enters a region where a uniform 240G magnetic field points in the y-direction. The boundary of the field region is perpendicular to the beam. How far into the field region does the beam penetrate?

43. English

Identify the correct sentence. A. Somethings are better left unsaid. B. Some-things are better left un-said. C. Some things are better left un-said. D. Some things are better left unsaid. D

44. English

Identify the sentence that is punctuated correctly. A. Generally speaking, principals are responsible for the acts of their agents. B. Generally, speaking principals are responsible for the acts of their agents. C. Generally speaking, principals are

45. English

Identify the sentence that is punctuated correctly. A. She is wearing a new yellow dress, and looks clean and neat. B. The Kingdom of Bahrain has a settled well-educated population. C. He thinks that an apple a day keeps the doctor away. D. Working 9-5

46. speech

traditional african marriage is an advantage for men only not women,?

47. English

Identify the sentence that is punctuated correctly. A. He whispered, "I love you," and then fainted. B. "Your idea is excellent" said Matt, "but I'm not sure we have the budget to implement it." C. "I don't believe it!" exclaimed, Mr. Ripley. D. She

48. English

Identify the sentence that is punctuated correctly. A. The cost and size of computers decreased, as rapidly as processing power increased. B. An operating system is the set of instructions, that directs the overall operations of the computer. C. While

49. English

The main use of brackets in writing is to: A. mark an interruption in a quotation. B. note an error in a quotation. C. indicate an omission from a quotation. D. indicate an alteration in a quotation. D

71. Physics

The angular velocity of a process control motor is (21−12t2) rad/s, where t is in seconds. A)At what time does the motor reverse direction? I got 6.5s B) Through what angle does the motor turn between t =0 s and the instant at which it reverses

72. Chemistry

A 271-g sample of nickel at 94.1°C is placed in 100.0 mL of water (density = 1.00 g/mL) at 23.9°C. What is the final temperature of the water? [Assume that no heat is lost to or gained from the surroundings. Specific heat capacity of nickel = 0.444

73. math

As compared to its first year of operation, ABC Company grew 8% in the second year and an additional 2% per year for the next two years. If total growth for years 2-4 was $45,000 over the first year’s sales of$150,000, how much did ABC Company grow in

74. general science

if an object is thrown 60 m into the air and it takes the object 6 s to get there, what's the average speed of the object? (A) 20m/s (B) 360 m/s (C) 100 m/s (D) 10 m/s

75. Science

Explain the energy transformations during skydiving? please note: that I need to EXPLAIN!!! Thank you very much in advance...your help is very much appreciated!! x

76. History

Mark the statement if it describes Roman society during the time of Cincinnatus. A. Rome’s government was based on law in which many people had a voice. B. Rome was being surrounded and threatened by outside forces. C. People in Rome admired those who

77. chemistry

A sample of oxygen gas is collected by displacement of water at 25°C and 1.17 atm total pressure. If the vapor pressure of water is 23.756 mm Hg at 25°C, what is the partial pressure of the oxygen gas in the sample?

78. physics

Does increasing the force affect the amount of work done climbing the stairs? Does increasing the distance affect the amount of work done climbing the stairs? How would you describe the mathematical relationship between these two parameters

79. english

traditional african marriage is an advantage for men only ,not women?

80. Math

On Team B 80% of the football players weigh more than 200 pounds. If 41 men are on the team, how many weigh more than 200 pounds?

asked by Rhett cowley
81. Chem 130

When calcium carbonate is heated strongly, carbon dioxide gas is released. CaCO3(s) CaO(s) + CO2(g) What volume of CO2(g), measured at STP, is produced if 14.1 g of CaCO3(s) is heated?

82. Chemistry

The fluoride ion concentration in a saturated solution of magnesium fluoride, MgF2, is 2.3 10-3 M. Calculate the value for the equilibrium constant.

83. Algebra

Simplify into one fraction. 3/(x-3)-5/(x-2) • (-2x + 9)/(x-3)(x-2) • (-2x)/(x-3)(x-2) • (-2x -9)/(x-3)(x-2) • (2x+9)/(x-3)(x-2) How?

84. Physics

What is the turntable’s angular velocity at t = 4.0s ?

85. English

Identify the sentence that is correctly punctuated. A. It is not always necessary; however, to check the entire set of books. B. It is not always necessary, however; to check the entire set of books. C. It is not always necessary, however, to check the

86. Math

A boat travels 74 miles on a course with direction 34 degrees and then changes its course to travel 58 miles at 53 degrees. How far north and how far east has the boat traveled on its 132-mile trip? A 87.7 miles east and 44.3 miles north B 35.7 miles east

87. Chemistry

Aniline, C6H5NH2, is a weak base. If the hydroxide ion concentration of a 0.201 M solution is 9.2 10-6 M, what is the ionization constant for the base?

88. physics

two children sit at opposite ends of a 60 lb. 10 ft. seesaw which is pivoted at its center one child weighs 50 lbs. and the other 75 lbs. the seesaw is uniform so that its center of gravity is at its geometric center, which also is its pivot point. A) the

93. Chem 130

Suppose two 100.0 L tanks are to be filled separately with the gases helium and hydrogen. What mass of each gas is needed to produce a pressure of 155 atm in its respective tank at 22°C?

94. math 2 questions!!!

7. Find the slope of a line that is parallel to the line containing the points (3, 4) and (2, 6). (1 point) m = 1 m = 2 m = –2 m = 1/2 8. Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3). (1

95. Trigonometric Functions

A person is riding a ferris wheel that turns at a constant speeed. The lowest point of the ferris wheel is at ground level. Another person is standing at the side of the wheel on a platform 4m above the ground. She notes the times that the person on the

asked by REALLY URGENT
96. physics

A crane slowly lifts a cement slab weighing 2,500 N to a height of 12 m. The slab is accidentally dropped. What is its KE as it hits the ground?

97. Pre - Cal

1. Find the vertex of the parabola: 4y^2+4y-16x=0 2. Find an equation of the parabola, opening down, with vertex (-3,1) and solution point (4,-5). 3. The main cables of a suspension bridge are 20 meters above the road at the towers and 4 meters above the

98. Social Studies

Explain why you think Matthew Lyon is an important figure in American History and why he should be included in the Register. Would it be that no other American has illustrated more thoroughly than Matthew Lyon the excellence of democratic institutions in

99. chemistry

How many grams of sodium hydroxide (NaOH) are needed to prepare 250 mL of a 0.20 M (mol/dm3) sodium hydroxide solution?

100. american history

Which of the following statements about the Southern planter's world is most accurate? A. Most great planters of the Old South were self-made men. B. The stereotype of the "southern belle" is fairly accurate. C. The wives and daughter of plantation owners

101. english

Which propaganda technique is used in this sentence? The candidate I endorse believes to his very soul that this change would destroy this lovely community and its soul by disrupting you, its heart and soul.

102. ALGEBRA

The temperature, T, of a given mass of gas varies inversely with its volume, V. The temperature of 20 cm3 of a certain gas is 15°C. What will the temperature be when it is compressed to a volume of 5 cm3? • 10°C • 300°C • 6.67°C • 60°C How?

103. Chem 130

A sample of oxygen gas is collected by displacement of water at 25°C and 1.11 atm total pressure. If the vapor pressure of water is 23.756 mm Hg at 25°C, what is the partial pressure of the oxygen gas in the sample?

105. Math

Asher cashed in a one-year term deposit after only five months had elapsed. In order to do so, he accepted an interest rate penalty—a reduction from the scheduled 5.5% rate of simple interest. If he was paid $145.83 interest on the$10,000 term deposit,

106. Math

Mr Shen wished to enter the orange kite competition with an innovative kite of his own design. He did tests that showed an irregular quadrilateral design was best. The longest side (A) was twice the length of the shortest side (C). Side B was one and

107. American Government

Presidents often resort to the use of White House “czars” because

108. Social Studies

Compare and contrast how the United States and Canada achieved independence.

109. statistics 101 college

28 randomly picked people were asked if they rented or owned their own home, 20 said they rented. Obtain a point estimate of the proportion of home owners and round the point estimate to the nearest thousandth

110. chemistry

Calculate the volume of 2.0 mol dm^-3 sulphuric acid,H2SO4 needed to prepare 2.5 dm^3 of 0.5 mol dm^-3 of the same acid solution.

111. Chemistry

A 495-mL sample of unknown HCl solution reacts completely with Na2CO3 to form 18.1g CO2. What was the concentration of the HCl solution?

112. English

dentify the correct sentence. A. Carla went to work at 248 Prospect Ave in Brooklyn, NY. B. Carla went to work at 248 Prospect Avenue in Brooklyn, NY. C. Carla went to work at 248 Prospect Avenue in Brooklyn, New York. D. Carla went to work at 248 Prospect

113. Algebra Question~!

A company invests $15,000.00 in an account that compounds interest annually. After two years, the account is worth$16,099.44. Use the function in which r is the annual interest rate, P is the principle, and A is the amount of money after t years. What is

114. pre calculus

a gun with a muzzle velocity of 1200 feet per second is fired at an angle of 6 degrees above the horizontal. find the component form of a vector. verify the magnitude

115. Programming

Develop a menu-driven program that inputs two numbers and, at the user's option, finds their sum, difference, product, or quotient.

116. Social Studies

In what ways could the American Revolution be considered a Civil War? The Patriots opposed the Loyalists. Those who supported the King were known as Loyalists. Those who supported separation from the King were called Patriots. An agreement could not be

117. math

Marco jumped rope for 20 more seconds than Troy. The letter r represents the number of minutes that Troy jumped rope. Which expression shows the number of minutes that Marco jumped rope?

118. Calculus

Can someone check my answer? The change in the momentum of an object (Δ p) is given by the force, F, acting on the object multiplied by the time interval that the force was acting: Δ p = F Δt . If the force (in newtons) acting on a particular object is

119. Algebra

An artifact was found and tested for its carbon-14 content. If 74% of the orginal carbon-14 was still present, what is its probable age (to the nearest 100 years)? (Carbon-14 has a half life of 5730 years).

asked by Kim Johnson
120. Math

If a navigation error puts a plane 2 degrees off course, how far off course is the plane after flying 121 miles? Round to the nearest tenth of a mile. Just explain how to solve, please.

121. math

The most important rule for establishing a savings plan is to

122. Chemistry

Zn+HCl---->ZnCl2+H2 If you measure the total volume of collected gas over water at 65*C to be 728 mL at a total pressure of 845 torr, how many milliliters of 2.6 HCl would be required to produce the correct amount of hydrogen?

123. math

on a blueprint for s house front of the house is shown 12 in. wide and 14 in. tall if the front of the actual house is 30ft wide how tall is the house?

124. Algebra

Solve. (–10x3 + 30x – 20) ÷ (–5x + 5) • 2x2 – 2x + 4 • –2x2 – 2x – 4 • –2x2 + 2x + 4 • 2x2 + 2x – 4 How?

125. chemistry

Concentrated phosphoric acid,H3PO4 was added slowly into some water to produce 5.0dm^3 of a dilute acid solution.100g of the pure phosphoric acid,H3PO4 was present in the solution.Find the concentration of the acid,in g dm^-3.

126. Science

Human blood type is determined by co-dominant alleles. There are three different alleles, know as I^a and I^b alleles are co-dominant and the i allele is recessive. The possible human phenotypes for blood group are type A, type B, type AB, or type O. Type

127. Math

An airplane, after 1 hour in the air, arrives at a point 350 miles south of its departure point. There was a steady wind of exactly 25 mph from the northwest during the entire flight. Which represents the airplane's average air speed?

128. Chemistry

A system initially has an internal energy U of 493 J. It undergoes a process during which it releases 107 J of heat energy to the surroundings, and does work of 225 J. What is the final energy of the system, in J?

129. Algebra

Simplify. (3/5a)*(1/a^2) • 3/5a^2; where a ≠ 0 • 3/5a^2 • 3/5a^3; where a ≠0 • 4/5a^2; where a ≠0 How?

130. chemistry

An 0.727 mol sample of argon gas at a temperature of 22.0 °C is found to occupy a volume of 26.2 liters. The pressure of this gas sample is how many mm Hg?

131. Chem

The following results were obtained when a sample of pineapple juice was analyzed to determine its vitamin C content. A 19.8 mL sample of pineapple juice was placed in a flask with 20 ml of 0.5 M H2SO4, 1.0 g of potassium iodide, KI, and 25.00 mL of

132. science

How many liters of a 0.80%\% (m/v{\rm m/v}) NaCl{\rm NaCl} solution can be prepared from 500mLmL of a 9.0%\% (m/v{\rm m/v}) stock solution?

133. math

You’re getting married and are unhappy with your present bank. Discuss how you should go about choosing a new bank and opening an account. Consider the factors that are important to you in selecting a bank— such as the type and ownership of new

134. Career choices

I do maths lit,acco and life science ,what Career should I follow

135. Chemistry

Write the equilibrium constant expression for each of the following reactions: A. 4NO(g)+2O^2 2N^2O^4(g) B. 2NO(g)+ Br^2(g) 2NOBr(g) C. CO(g)+ 2H^2(g) CH^3OH(g) D. SO^2(g) + NO^2(g) SO^3(g) + NO(g)

136. Physics

A fisherman who lives in a high rise apartment building in Toronto, weighs a fish on a spring scale and records a 11.2 N reading. He reweighs the fish while he is in his elevator and records a reading of 13.1 N. What is the acceleration of the elevator at

asked by Corey Brown
137. physics

Stuck on this homework problem, any help would be appreciated. Thank you!! A truck has 5.9L diesel engine in it. 5.9L of the overall displacement in 6 cylinders each 102mm bore (diameter) and 120mm stroke (length). Engine operates at 16.3:1 compression

138. Teachers aide

Resiliency in children is best fostered by

139. Physics URGENT!!!!!!!!!!!!

A  bat­ watcher  detects  the  sound  of  a  hunting  greater horseshoe  bat  at  76 kHz . She  knows  that  this  species  produces  echolocation  calls  at  80 kHz . What  is  the  speed  of

140. math

P = 6000(1+4)*(1.04)^5=?

141. math

If it takes a runner 15 minutes to run a mile how many miles would he run in two and half hours?

142. Enviroinmental Science

Which type of agriculture is more sustainable? WhySubsistence vs. Industrial Agriculture?

143. Social Studies

Explain why you think Matthew Lyon is an important figure in American History and why he should be included in the Register. Would it be for him being the first person to be put on trial under the Sedition Act? He opposed going to war against France and

What does the suffix ant mean in the words servant, merchant, band assistant? A. State of B. One who C. Inclined to D. Lower than

156. computers - Programming

Create a program that uses two parallel one-dimensional arrays. The program displays a shipping charge that is based on the number of items ordered by a customer. The shipping charge scale is shown in Figure 1 below. Store the maximum order amounts in a

157. math

The2010 census shows that the population of New Jersey increased by 4.5%. If the 2010 population was 8,791,894, what was the population in 2000?'

Simplify 3!

159. Statistics

A student wants to test her hypothesis she gives each of her students an IO test. She finds that the average IQ score is 115 and the standard deviation for the class is 30. There are 22 students in the class. She also knows that the population average IQ

166. Chemistry

Zn+HCl---->ZnCl2+H2 If you measure the total volume of collected gas over water at 65*C to be 728 mL at a total pressure of 845 torr, how many milliliters of 2.6 HCl would be required to produce the correct amount of hydrogen?

167. Chemistry

What is the solubility in hexane for in an ionic compound and what is a solubility in hexane for a covalent (molecular) compound

asked by Kiki Mich
168. Economics

What are the cost and consequences of providing the subsidies and welfare?

169. maths

Nordin bought a pair of trousers and a shirt.He paid \$27 for the pair of trousers.How mush did nordin pay for shirt?

170. maths

compplex numbers multiplying complex and not: 3*(6-j8) also, 3+(6-J8)

171. chemistry

What is the molarity (mol/dm3) of a solution prepared by dilution of 0.125 moles of sodium chloride (NaCl) to 2.50x102 mL with water?

172. chemistry

7.5 g of acetic acid (CH3COOH) are diluted to 150 mL with water. What is the molarity (mol/dm3) of the acetic acid?

173. Chem Check Please!!!

1) Which of the following statements is/are CORRECT? 1. Naturally occurring isotopes account for only a small fraction of known radioactive isotopes. 2. A few radioactive isotopes with long half-lives, such as U-235 and U-238, are found in nature. 3. Trace

asked by Kimberly :(
174. physics

An  approaching  train  produces  the  RP1 signal (attention  signal)  at  600 Hz . The  train  moves  with  the speed  of  120 km/h. What  is  the  frequency and  the wavelength  of  the  sound

175. Chemistry

A mixture consists of 0.52g of X, 0.77g of Y,and 1.11 g o fZ. What is the mass % of Z in the mixture?

176. English 2

1)In anthem what are the implications of his creation? (Chapter 5) 2) why does he wish to know what he looks like? (Chapter 5)

177. biology

Which candy required more base per gram of candy sweet tarts or smarties

178. ALGEBRA

Solve. 1/(3x-6) – 5/(x-2) = 12 • X=34/9 • X= -29/18 • X= -34/9 • X=29/18 How?

179. English

How should I revise this sentence? "Driven by sea storms, Odysseus and his men wind up upon the land of the Lotus Eaters, and three of the men are sent to retrieve information about the inhabitants of the peculiar island."

180. English (Writeacher)

Do you think I should revise the first sentence? Also, am I using the dash properly? "Driven by sea storms, Odysseus and his men wind up upon the land of the Lotus Eaters, and three of the men are sent to retrieve information about the inhabitants of the

181. Math

How many chords are determined by seven points on a circle? How do you do it, not answer.

182. Math 221

Find the greatest common factor of these two expressions. I am stuck 20y^4x^2u^2 and 16y^3u^6.

183. chemestry

what are the heats of fusion/vaporization & specific heats of nitroglycerin

184. Math

Peter has a cylindrical block of wood od diameter 6 cm and height 18 cm. He glues the base to a board, but wants to paint the rest of the block. He wants to paint the bottom half of the wood black and the top half white. a) Calculate the surface area of

185. Physics

Two pulleys are connected by a belt that causes one pulley to rotate (via friction) as it is driven by the first pulley. The belt turns around the pulleys without slipping on either one. rA is 10.0 cm and rB is 25.0 cm. If wheel A starts from rest and

186. social studies

My daughter is doing and A-Z book on california history, and can't find anything for the letter X. Can you help please?

asked by Melissa Bacon
187. Language Arts

In drafting a descriptive paragraph, how are the details organized if you use spatial order as the organizing principle? a)from most general to most specific b)by physical position or relationship to each other c)by the date each event occurred d)in order

188. science

How many DALYs are lost by a person who has a life expectancy of 74, contracts HIV/AIDS at the age of 40 and lives until the age of 60? This person receives antiretroviral medication two years after she/he contracts HIV/AIDS until she/he dies. [The

189. help.

What should you be if you like English, learning other countries cultures, and art, but not painting or anything like that.

190. physics

in every minute a pump draws 6 metric cubed of water from a well and issues it at a speed of 5 meters per second from the nozzle situated 4 meters above the level from which the water was drawn. find the average rate at which the pump is working. (1 metric

191. physics

a body of mass 5kg falls vertically against a resistance of x Newtons.The body passes through two points A and B, 2.5 METERS APART with A above B, WHEN TRAVELING WITH SPEED 2 METERS PER SECOND AND 6 METERS PER SECOND RESPECTIVELY. BY ENERGY CONSIDERATION ,

192. physics

when a force of 0.245 newtons is applied to a body of mass 250g which is resting on a horizontal plane, the body is found to be in a limiting equilibrium. find the coefficient of friction between body and planes.

193. science

What can be done to prevent mine drainage from damaging the ecosystem

194. english

What should you be if you like English, learning other countries cultures, and art, but not painting or anything like that. I am thinking about becoming an interior designer or lawyer. Thoughts or ideas?

195. LOGS (ALGEBRA)

FIND THE INVERSE: f(x) = 10^(5x+3) - 10 f^-1(x) =

196. Chemistry

Which of the following are ionic or covalent? 1. lauric acid 2. magnesium sulfate 3. phenyl salicylate 4. ammonium chloride 5. sodium chloride

asked by Kiki Mich
197. math

Peter has a cylindrical block of wood od diameter 6 cm and height 18 cm. He glues the base to a board, but wants to paint the rest of the block. He wants to paint the bottom half of the wood black and the top half white. a) Calculate the surface area of

198. math

the circumference of a circle is 120 millimeters. Which of the following inqualities is true for d, the diameter of the circle measured in millimeters? A. 10

199. Accounting; Emergency

NOTE: I NEED HELP WITH THESE 10 QUESTIONS,IT IS AN EMERGENCY PLEASE! Use the following information to answer questions 1-4. The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually

200. chemistry

7.5 g of acetic acid (CH3COOH) are diluted to 150 mL with water. What is the molarity (mol/dm3) of the acetic acid?

201. Chemistry

A truck has 5.9L diesel engine in it. 5.9L of the overall displacement in 6 cylinders each 102mm bore (diameter) and 120mm stroke (length). Engine operates at 16.3:1 compression ratio and with 6psi (0.41atm) of boost cruising at 1600rpm. 1.) The air

202. Mathematics

A lot which is 3 feet times as long as it is wide is enclosed by a walk 10 feet wide. The area of the lot is 1200 square feet more than that of the walk. Find the dimensions of the lot. PLZ help and give a check if possible!

203. Science

Which experimental approach would be most effective and easiest to clearly determine the evolutionary relationship between these two organisms? A. sequence the same gene in both species to compare their similarity. B. dissect specimens of both species to

204. Accounting

NOTE: I NEED HELP WITH THESE 10 QUESTIONS,IT IS AN EMERGENCY PLEASE! Use the following information to answer questions 1-4. The Bayside Company uses the LIFO cost flow method to value inventory. In the current year, profit at Bayside is running unusually

205. Physics URGENT!!!!!!!!!!!!

An  approaching  train  produces  the  RP1 signal (attention  signal) at  600 Hz . The  train  moves  with  the speed  of  120 km. What  is  the  frequency  and  the wavelength  of  the  sound

206. Math

What part of an hour is 40 minutes?

asked by Rhett cowley
207. algebra

Factor the expression. x2 + 2x + 24 HintX

208. ALGEBRA

Lost in the shuffle; sending again... Simplify into on fraction. (-5x/x+3)-(7/x+3) • (-5x-7)/(x+3) • (-5x+7)/(x+3) • (-5x-7)/(x+3)^3 • (-5x+7)/(x+3)^2

Find the equation of the perpendicular bisector of the straight line joining the points A(-1,0)and B(3,4).

210. Precalculus

Solve for x given the interval of [0,2pi). cos^2x=2+2sinx I got (3pi)/2 or 270 degrees.. By the way, does the notation [0,2pi) mean 0

211. English

Back from Extinction In 2004, two biologists were canoeing in a remote part of Arkansas. They were searching for a bird that local people said was there. As the men floated along, they listened for a bird call neither had ever heard before. Then a

asked by Laci ♥
212. Environmental Science

Subsistence vs. Industrial Agriculture Which type of agriculture is more sustainable? Why

213. how do you graph linear functions?? (math)

how??? such as: y = 1/3x - 4 and y = -2x + 3

214. pre algebra

find the solution y = 2x - 1 and y = x +3

215. math

((a)/(a + 3)) - ((4)/(a + 5))

216. english

The primary objective of the program is to develop the risk management capabilities of finance professionals.

asked by prabhu ram
217. Underwater explosion

Can an underwater explosion be neutralized/countered (change direction or minimize shockwaves) by an equal or greater amount of force(compressed air)?

218. English (Writeacher)

Do you think I should revise anything? I have been given a limit of only three sentences to summarize the information below, but I don't want to seem wordy. "Ten years after the Trojan War, Odysseus departs from the goddess Calypso's island and arrives in

219. algebra

solve each system of equations 1.4x-0.5y=1.3 0.4x+1.1y=4.1

220. algebra

Let U=1,2,3,4,5,6,7,8,9,10 {x|x is multiply of 2} U {x is multiply of 7}

221. Algebra

Simplify into on fraction. (-5x/x+3)-(7/x+3) • (-5x-7)/(x+3) • (-5x+7)/(x+3) • (-5x-7)/(x+3)^3 • (-5x+7)/(x+3)^2 How?

222. Astro-Physics

Imagine you are in a spaceship one million km from a black hole of mass 2×1030 kg. Initially you are flying directly away from it at a velocity of 12.8 km/s. Using the n-body approximation, what is your velocity one second later? Type your answer in

223. Language Arts

Which sentence does not include an abbreviation? a)The movie starts at 12:45 p.m b)Dr. Ross asked the nurse to schedule my surgery immediately. c)One day I hope to visit Mt. Rushmore. d)Chris left work early to catch the train at three o'clock. Is the

224. Math

Find the solution. y = 4x & y + x = 5

225. Algebra, Logirithms

Find the inverse of the function: f(x) = e^(4x+2) - 10

226. Physic

Please urgent help me A cryogenic storage container holds liquid helium, which boils at 4.20 K. Suppose a student painted the outer shell of the container black, turning it into a pseudo-blackbody, and that the shell has an effective area of 0.487 m2 and

227. English (Writeacher)

How should revise these sentences so that they are still three sentences? "Ten years after the Trojan War, Odysseus departs from the goddess Calypso's island and arrives in Phoenicia, ruled by Alcinous. Offering Odysseus a ship to return him to his

228. maths

Determine the length and breadth of a rectangle if the length is 3cm less than twice the breadth, and the perimeter is 18 .

229. algebra

write the equation in logarithm form a) 343=7^3 b) 25-(1/5)-^2 c A=bc Thank you for your help. I have no idea how to do this problem and I am getting stress.

230. maths

Simplify; x^2 + ax + bx + ab divide x^2 + 2ax + a^2.

231. maths

Solve this equation; p^2 - p - 42

232. Chemistry

For ionic compound properties, what is the solubiity in hexane

asked by Kiki Mich
233. chemistry

What is the molarity (mol/dm3) of a solution prepared by dilution of 0.125 moles of sodium chloride (NaCl) to 2.50x102 mL with water?

234. math

You randomly choose a natural number from 1-10. what is the probability that you choose a multiple of 2 or 3?

235. Physics

Hello, I need an example of something that travels 7 m/sec or 10 m/sec. Any ideas?

236. MATHS - FRACTION

3 1/3 - 1 3/4 = 3 4/12 - 1 9/12 IE. 4/12 < 9/12 2 + 1 + 1/3 - 1 3/4 = 2 + 12/12 + 4/12 - 1 9/12 = 1 7/12 Please somebody explain these steps.

237. physics

An american system of communication is based on the radio frequency of 76 Hz. Compute the wavelength of theses waves and compare it to the diameter of the earth.

238. Math

6x=y+1 find the slope and y intercept

239. university physic

A cryogenic storage container holds liquid helium, which boils at 4.20 K. Suppose a student painted the outer shell of the container black, turning it into a pseudo-blackbody, and that the shell has an effective area of 0.487 m2 and is at 3.01·102 K. a)

240. Chemistry

Describe electron delocalization.

241. math

what is -20=-4x-6x

242. FRaction

3 1/3 - 1 3/4 = 3 4/12 - 1 9/12 IE. 4/12 < 9/12 2 + 1 + 1/3 - 1 3/4 = 2 + 12/12 + 4/12 - 1 9/12 = 1 7/12 Please somebody explain these steps. Answer this Question

243. Organic CHM II

With what starting material are all lipids are built? Describe the process that a long carbon chain is rearranged into a multi-cyclic molecule that is basis for steroids? Please explain in detail

244. ALGEBRA

In the meantime I got the last one but this one I can't figure... Divide. [(x^2-9)/(x-5)]/(x+3) • (x-3)/(x-5) • (x-5)/(x-3) • [(x+3)/(x-3)]/(x-5) • (x+3)/(x-5) How?

245. chemistry

Some of the substance commonly used in stomach antiacid are MGO,MG(OH)2,AL(OH)3. Which of these substance will neutralize thr greatest amount of 0.10M HCl per gram?

246. math-factor

factor: 2x^2(x-3)+12x(3-x)-18(x-3)

247. English

Back from Extinction In 2004, two biologists were canoeing in a remote part of Arkansas. They were searching for a bird that local people said was there. As the men floated along, they listened for a bird call neither had ever heard before. Then a

asked by Laci ♥
248. Language Art

Where should you insert a colon in this sentence? Interview the following people Dave, Barb, Jose, and Mary Ann. a)After following b) After people c)After Jose d)nowhere Is the answer b?

249. Algebra

Divide. [(X^2 +6+9)/(X-1)]/(X^2-9)/(x^2-2x+1) • [(x+3)(x-1)]/(x-3) • [(x-3)(x+1)]/(x+3) • [(x+3)(x+1)/(x-3) • [(x-3)(x-1)]/x+3) How?

250. maths

Solve this equation; p^2 - p - 42