# Questions Asked onNovember 15, 2010

1. ## calculus

A long rectangular sheet of metal, 12 inches wide, is to be made into a rain gutter by turning up two sides so that they are perpendicular to the sheet. How many inches should be turned up to give the gutter its greatest capacity?

2. ## Calculus

A particle moves along a line so that at any time t its position is given by x(t)=2(pi)t+cos(2(pi)t). Determine the particle's maximum velocity.

3. ## Physics Spring

A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. 1.0 J of work is required to compress the spring by 0.12 m. If the mass is released from rest with the spring compressed, it

4. ## Chemistry

Consider an electrochemical cell based on the following cell diagram: Pt | Pu3+(aq), Pu4+(aq) || Cl2(g), Cl−(aq) | Pt Given that the standard cell emf is 0.35 V and that the standard reduction potential of chlorine is 1.36 V, what is the standard

5. ## Chemistry

A current of 0.80 A was applied to an electrolytic cell containing molten CdCl2 for 2.5 hours. Calculate the mass (in grams) of cadmium metal deposited. [Enter only numbers in the blank.]

Writing to Explain: Explain how you can use an array to find partial products for 4x36.

7. ## biology

If a brown-eyed man marries a blue-eyed woman and they have ten children, all brown-eyed, can you be certain that the man is homozygous? If the eleventh child has blue eyes, what will that show you about the father’s genotype?

8. ## AP PHYSICS

the height of the upper falls at Yellowstone falls is 33.2m. when the water reaches the botton of the falls, its speed is 25.8 m/s. neglecting air resistance, what is the speed of the water at the to of te falls.

9. ## chemistry

Consider a 20.0mL sample of 0.105M HC2H3O2 is titrated with 0.125M NaOH. Ka=1.8x10^-5. Determine each of the following: a) the initial pH b) the pH at 5.0mL of added base c) the pH at one-half of the equivalence point d) the pH at the equivalence point

10. ## Physics

A flat slab of styrofoam, with a density of 32 kg/m^3, floats on a lake. What is the minimum volume the slab must have so that a 42 kg boy can sit on the slab without it sinking?

11. ## Chemistry

H2O (liquid) yields H2O gas delta H= +44kJ. How much heat is evolved when 9.0 grams of water vapor is condensed to liquid water?

12. ## Math

Determine the 10th term of the sequence 3, 10, 28, 72, 176... State the general term.

13. ## chem

Fingernail-polish remover is primarily acetone (C3H6O). How many acetone molecules are in a bottle of acetone with a volume of 315 mL? (density of acetone = 0.788 g/cm3.) I know how to get grams to the molecules once i get ml to grams. but im not sure how

14. ## Chemistry

Calculate the cell emf (in volts) for the following reaction at 25°C: Ni(s) + 2 Cu2+(0.010 M) → Ni2+(0.0010 M) + 2 Cu+(1.0 M) [Enter only the number of your answer.] Answer

15. ## AP Chem

What energy change is associated with the reaction to obtain one mole of H2 from one mole of water vapor? The balanced equation is 2 H2O(g) -> 2 H2(g) + O2(g)and the relevant bond energies are H-H : 436 kJ/mol; H-O : 467 kJ/mol; O-O : 146 kJ/mol; O=O : 498

16. ## chemistry

Nitrous acid, HNO2, has a Ka of 7.1 x 10^-4. what are [H3O+], [NO2-], and [OH-] in .920 M HNO2?

17. ## Physics

Jill and her friends have built a small rocket that soon after lift-off reaches a speed of 900 m/s How high above the Earth can it rise? Ignore air friction. h=? m

18. ## Calc.

answers to objective 3-c algebra with pizzazz

20. ## AP Chem

What energy change is associated with the reaction to obtain one mole of H2 from one mole of water vapor? The balanced equation is 2 H2O(g) -> 2 H2(g) + O2(g)and the relevant bond energies are H-H : 436 kJ/mol; H-O : 467 kJ/mol; O-O : 146 kJ/mol; O=O : 498

21. ## chemistry

The volume of a gas is 5.80 L, measured at 1.00 atm. What is the pressure of the gas in mmHg if the volume is changed to 9.65 L? (The temperature remains constant.)

22. ## CALCULUS BC

a particle moves on the x-axis in such a way that its position at time t is given by x(t)=3t^5-25^3+60t. for what values of t is the particle moving to the left. a.-2

23. ## Chemistry

During the combustion of 5.00 g of octane, C8H18, 239.5 kcal is released. a) What is the sign of (delta)H for this reaction? b) How much energy is released by the combustion of 1.00 mol of C8H18

24. ## physical science

a 250-kg rock falls off a cliff and comes to rest on the ground, which is 40 m below the cliff . At what point is the rock's potential energy at maximum?

25. ## sociology

What is the difference between deviance and nonconformity?

26. ## Chemistry

4.0 gram of ferrous ammonium sulphate, FeSO4*(NH4)2SO4 * 6H2O, is used. Since the oxalate is in excess , Calculate the theoretical yield of the iron complex FeSO4•NH4)2SO4•6H2O + H2C2O4•2H20 --> FeC2O4 + (NH4)2SO4 + H2SO4 + 8H2O 6FeC2O4 + 3H2O2 +

27. ## Chemistry

How much energy does it take to convert 0.800 kg ice at -20.°C to steam at 250.°C? Specific heat capacities: ice, 2.1 J g-1 °C-1 liquid, 4.2 J g-1 °C-1 steam, 2.0 J g-1 °C-1 ΔHvap = 40.7 kJ/mol, ΔHfus = 6.02 kJ/mol This is what I tried to do:

28. ## math

Suppose a white dwarf star has a diameter of approximately 1.6692x10^4 km. Us the formula 4pie^2 to find the approximate surface area of the star

A spring is hung from the ceiling. A 0.300 kg block is then attached to the free end of the spring. When released from rest, the block drops 0.170 m before momentarily coming to rest. (a) What is the spring constant of the spring? (b) Find the angular

30. ## chemistry

How many grams of MgF2 will dissolve in 150. mL of 0.100 M NaF solution? Ksp for MgF2 = 6.4 x 10-9

31. ## math

What is the order of 1.5 x 10^3, 1.4 x 10^-1, 2 x 10^3, and 1.4 x 1-^-2 from least to greatest?

The balance sheets of Petrello Company and Sanchez Company as of January 1, 2011, are presented below. On that date, after an extended period of negotiation, the two companies agreed to merge. To effect the merger, Petrello Company is to exchange its

33. ## geometyr

given triangle QRS=triangle TUV, QR=2x=7, RS=13,and QS=3x+2 and TV=7x-6 find the value of x

34. ## math

Choose the equation of the horizontal line that passes through the point (2, 4).

35. ## Calculus

A company is designing shipping crates and wants the volume of each crate to be 4 cubic feet, and the crate's base to be a square between 1 and 1.5 feet per side. If the material for the bottom costs \$5, the sides \$3 and the top \$1 per square foot. What

37. ## chemistry

How many grams equal 1.0 mol of Azurite, Cu3(CO3)2(OH)2?

38. ## Physics

A square, 0.52 m on a side, is mounted so that it can rotate about an axis that passes through the center of the square. This axis is perpendicular to the plane of the square. A force of 15.0 N lies in this plane and is applied to the square. What is the

39. ## Math

Tell whether the triangle with the given side is a right triangle;14mm, 19mm, 23mm

40. ## Chem

Why is BaSO4 insoluble in HNO3?

41. ## math

how would you write in a decimal:nine tousands,six hundred five and nine tenths

42. ## chemistry

The weak acid HQ has pKa of 4.89. Calculate the [H3O+] of .025 M HQ. when i did this i got 5.2 x 10 ^-14

43. ## chem

consider the following balance chemical equation: 2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting reagent?? what is the theorectical yield of nitrogen gasd? if 8.52 g of N2 are

44. ## Chemistry

How many hours will it take to produce 78.0 g of Al metal by the reduction of Al3+ in an electrolytic cell with a current of 2.00 Amperes? [Enter only a number for your answer.]

45. ## math

2 trees are 80 m apart . from a point halfway between the trees, angles of elevvation of the tops of the trees are measured. what is the height of each tree to the nearest metre

46. ## chem

consider the following balance chemical equation: 2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting reagent?? what is the theorectical yield of nitrogen gasd? if 8.52 g of N2 are

47. ## chemistry

The X-X bond energy in the hypothetical gas, X2 is 153 kJ/mol. a. How much energy, in joules, is required to break the bond in a single X-X molecule? b. What wavelength of electromagnetic radiation would have the energy required to break the X-X bond? c.

48. ## English

In Act 4, Claudius notes that “sorrows come…in battalions.” By the end of the play these sorrows include the deaths of all the major characters except Horatio. To what degree can Claudius be held responsible for all the sorrows of the play? Which

49. ## chemistry

The enthalpy change for the solution process when solid sodium hydroxide dissolves in water is -44.4 kJ/mol. When a 13.6 g sample of NaOH dissolves in 250.0 g of water in a coffee-cup calorimeter, the temperature increases from 23.0 o C to __________ o C.

50. ## rpi

For the stepladder shown in Fig. 12-51, sides AC and CE are each 3.34 m long and hinged at C. Bar BD is a tie-rod 0.662 m long, halfway up. A man weighing 746 N climbs 2.51 m along the ladder. Assuming that the floor is frictionless and neglecting the mass

suppose you wish to estimate a population mean based on a random sample of n observations, and prior experience suggests that sd=12.7. if you wish to estimate the mean correct to within 1.6, with probability equal to .95, how many observations should be

52. ## Physics

Three masses are connected by massless rigid rods. Rods AC and CB have length l= 16.6 cm. If massA=115.0 g, massB=206.0 g, and massC=310.0 g, what are the coordinates of the center of mass? (Enter your answer for the x coordinate first, followed by the y

53. ## French 3

Réécrivez les phrases avec l'adverbe qui correspond a chaque adjectif. Faites attention au placement de l'adverbe. 1. Karine et Mathilde sortent (frequent) 2. Fabien lit le journal (quotidien) 3. Sara termine ses devoirs. (facile) 4. michel conduit

54. ## chem/DrBob22

consider the following balance chemical equation: 2NH3(g)+3CuO(s)=N2(g)+3Cu(s)+3H2O(g) if 18.1grams of ammonia reacts with 90.4 grams of copper(II) oxide, which is the limitting reagent?? what is the theorectical yield of nitrogen gasd? if 8.52 g of N2 are

55. ## Calculus

Mr. Phillips decides to have a completely fenced-in garden. It will be laid out so that one side is adjacent to his neighbor's property. The neighbor agrees to pay for half of that part of the fence which will border his property. The garden is to contain

56. ## english

Please help! My Mom and I are disagreeing! Jazz began in New Orleans. Verb is began and it is intransitive. 2) Jazz musicians played by ear. Verb is played and it is transitive.My Mom thinks it is intransitive. 3)They played blues and spirituals. Verb is

57. ## chemistry

The solubility of Fe(OH)2 is 3.00  10-3 g in 2.00 liters at 18°C. What is its Ksp at 18°C?

58. ## Physics

A particular guitar string is supposed to vibrate at 220 , but it is measured to vibrate at 230 . By what percent should the tension in the string be changed to correct the frequency? I have been working for 7 hours of hw! Please help!

59. ## chemistry - DrBob222

For this question can u please explain steps 3 and 4 4.0 g of ferrous ammonium sulphate, FeS04(NH4)2 SO4 6H20, is used. The oxalate is in excess, calculate the theoretical yield of the iron complex. Can someone please show me how to calculate a question

60. ## Physics

Two People who weigh the same climb a flight of stairs. The 1st person climbs the stairs in 30s, and the 2nd person climbs them in 40s. Which person does more work? which uses more power. - I would personaly think the 2nd person does more work and power

61. ## chemistry

What is the value of [OH-] in a 0.015 M CH3COOH solution? Ka = 1.8 x 10-5 I started by writing the equation: CH3COOH + H2O H3O+ + CH3COO- Ka= [H3O+][CH3COO-]/[CH3COOH]= 1.8 E-5 ... Now what? I don't understand where OH relates to this ...

62. ## chemistry

Air bags are actived when a servere impact causes a steel ball to compress a spring and electrically ignite a detonator cap. This causes sodium azide (NaN3) to decompose explosively according to the following reaction: 2NaN3=2Na(s)+3N2(g) what mass of

63. ## chemistry

Calculate the ionization constant, Ka, of phenol (HC6H5O), a weak acid, if a 0.25 M solution of it has a pH of 5.24.

64. ## social studies

why did the struggle for rich farmland affect the colonists in Virginia?

65. ## Math

Describe how this could happen that three different animals could each be claimed - rightfully - to be the largest of the three. Discuss the implications of this kind of situation for teaching students about measurement.

66. ## chemistry

Calculate the mass (in grams) of water vapor produced when 56.0 grams of pure hydrogen gas burn in the air. Given the information from that, calculate the mass of oxygen gas that would be needed to burn 100 grams of hydrogen gas.

67. ## managerial accounting

The following direct materials and direct labor data pertain to the operations of Solario Manufacturing Company for the month of August Costs Quantities Actual labor rate \$13 per hour Actual hours incurred and used 4,200 hours Actual materials price \$128

68. ## chemistry

The following system is at equilibrium with [N2O4] = 0.55 M and [NO2] = 0.25 M. If an additional 0.10 M NO2 is added to the reaction mixture with no change in volume, what will be the new equilibrium concentration of N2O4? N2O4(g) 2 NO2(g)

69. ## HELP!! MATH

A boater finds herself 4 miles fromm the nearest point on a straight shore line whech is 6 miles from a shoreside motel. She plans to row on shore and then walk to a motel. If she can walk at 3 mph, at what speed must she be able to row so that the

70. ## chemistry

When 10.g of NaCl is reacted completely with 65g of Pb(NO3)2 according to the following reaction? How much (grams) of PbCl2 can be produced? 2 NaCl + Pb(NO3)2 ----> PbCl2 + 2 NaNO3

71. ## the lagrange multiplier equation

A cylindrical oil-storage tank is to be constructed for which the following costs apply: cost per square meter metal for sides \$30.00 (cost per square meter) combined costs of concrete base and metal bottom \$37.50(cost per square meter) top 7.50 (cost per

72. ## chemistry

Calculate the mass (in grams) of water vapor produced when 56.0 grams of pure hydrogen gas burn in the air. Given the information from that, calculate the mass of oxygen gas that would be needed to burn 100 grams of hydrogen gas.

73. ## phsyics

The 3.0cm-diameter water line in the figure splits into two 1.0cm -diameter pipes. All pipes are circular and at the same elevation. At point A, the water speed is 2.0 m/s and the gauge pressure is 50 kPa. What is the gauge pressure at point B. I keep

y= 6x is written as: Choices y = log(6)x x = log(6)y I chose y = log(6)x, correct?I did the inverse so x = 6^x isolate y so it becomes y = log(6)x

75. ## Calculus

q 0 125 250 375 500 625 750 C'(q) 26 24 30 26 23 25 29 a) If the fixed cost is \$8500, use the average of left- and right-hand sums to determine the total cost of producing 500 units. Answer: \$ b) How much would the total cost increase if production were

76. ## Physics!!

A 4.9 kg bucket of water is raised from a well by a rope. The acceleration of gravity is 9.81 m/s2 . If the upward acceleration of the bucket is 3.3 m/s2, find the force exerted by the rope on the bucket of water. Answer in units of N.

77. ## Chemistry 20

Determine the amount concentration of potassium ions and dichromate ions in a solution made by dissolving 44.7 g of potassium dichromate to make a volume of 205 mL. Include the balanced chemical equation.

78. ## Biolody

Which of the following is NOT a characteristic of the respiratory surface of the alveoli? a) Thin-walled b) Dry c) In contact with an environmental source of oxygen d) In contact with the transport system that carries dissolved materials to and from the

79. ## spanish

what is the third person singular form of the verb estar? Re-write the following sentences replacing the underlined direct object with a direct object pronoun. Remember, the direct object pronoun needs to be placed directly in front of the conjugated verb.

80. ## chemistry

How many grams of rust form when 453 kJ of energy are released?

81. ## english

Plot is the artificial ordering of events true?

Form a equivalent problem for 4 1/2 divided by 1/2 by doubling both the dividend and divisor. Then find the quiotent. Would that be 9 divided by 1 =9

83. ## math

what is the simplified form of the expression? (3c^2d^4)^3(2c^5d^8)^3

84. ## Physics

A man of mass 64.8 kg stands on a scaffold supported by a vertical rope at each end. The scaffold has a mass of 16.8 kg and is 3.9 m long. Suppose the man stands to the right from the middle of the scaffold that is a distance one sixth of the length of the

85. ## chem

Air bags are actived when a servere impact causes a steel ball to compress a spring and electrically ignite a detonator cap. This causes sodium azide (NaN3) to decompose explosively according to the following reaction: 2NaN3=2Na(s)+3N2(g) what mass of

86. ## Geometry

To build a fence, Jim positioned the fence posts and then placed a 2 x 4 board at an angle between the fence posts. As he placed each picket, he measured the angle that the picket made with the 2 x 4. Why does this ensure that the picket will be parallel?

87. ## statistics

a study of 40 professors showed they spent on average 13.6 minutes correcting a student papers. Given a standard deviation of 17, the 90% confidence interval of the mean time for all the test papers is what?

88. ## chemistry

Acetic acid ionizes in water according to the following equation: CH3COOH = H^+ +CH4COO- If the solution is .906 M acetic acid, what is the concentration of H+?

89. ## programing

A small startup software developer company needs to create a program that will calculate the pay of its employees. For the third version of the program, the company wants the program to accept an employee’s name, the number of hours the employee worked,

What measures does henry say the colonists have already tried in the dealings with england?

91. ## english

Character can be portrayed by direct exposition. false?

92. ## math

A British company is sending you measurements for a table to build in your factory. The table top must be 50 cm × 75 cm. Your machine calibrates in inches. Find the size of the table in inches. (1 cm = .39 in)

93. ## chem

Air bags are actived when a servere impact causes a steel ball to compress a spring and electrically ignite a detonator cap. This causes sodium azide (NaN3) to decompose explosively according to the following reaction: 2NaN3=2Na(s)+3N2(g) what mass of

94. ## Algebra-Another question

Evaluate 4log(4)8 Possible answers are: 4 0 8 1 Where do I start-I don't have an example to follow? Please give me a direction do I evaluate log(4)8 first

95. ## physics

a 75.0 kilogram skier is at the top of a hill that is thirty degrees above the horizontal. the skier starts form and then travels down the hill which is 100 meters long. the skier at the bottom of the hill instantaneously then travels on flat horizontal

96. ## Math

Tell whether the triangle with the given side is a right triangle;1.4 m,4.8 m,5m. Explain please.

97. ## college

the length of the top of a table is 3 m greater than the width. the area is 88m^2. find the dimensions of the table

98. ## buddhism pilgrimage

thesis statement for buddhism

99. ## French 3

1. créez six phrases a l'aide éléments des trois colonnes. Ajoutez tous les autres éléments nécessaires. A. agent de police chauffeur de taxi citoyens colocataire conducteur maire passagers piéton __B.________________ améliorer construire descendre

100. ## algebra

Which of the following describes the end behavior of the graph of the function f(x) = –x6 – 3x4 + 7x – 5? a. downward to the left and upward to the right b.upward to the left and downward to the right c.downward to the left and downward to the right

101. ## Math

THe total ticket sales for the basketball game were \$1,625.00. Adult tickets were \$7.00, and student tickets were \$3.00. Twice as many students bought tickets as adults. How many student and adult tickets were sold?

102. ## Math

Four balls are simultaneously picked at random from a jar containing 2 red balls, 2 green balls, and 6 yellow balls. What is the probability that exactly two of the selected balls will be red?

103. ## Calculus

A baseball diamond is a square with side 90 feet. A batter hits the ball and runs toward first base with a speed of 24 f/s. At what rate is his distance from second base changing when he is halfway to first base?

104. ## Chemistry

Other than moisture, what are the three major components of the air you breathe

105. ## Physics

A uniform plank of length 5.0 m and weight 217 N rests horizontally on two supports, with d = 1.06 m of the plank hanging over the right support. To what distance, x, can a person who weighs 427 N walk on the overhanging part of the plank before it just

106. ## English/history question regarding two stories

in two stories, Genesis and Popol Vuh, What was different and what was similar? I need to write a papaer on these two things. Please help me Thank you

107. ## Physics

A man of mass 64.8 kg stands on a scaffold supported by a vertical rope at each end. The scaffold has a mass of 16.8 kg and is 3.9 m long. Suppose the man stands to the right from the middle of the scaffold that is a distance one sixth of the length of the

108. ## Calculus

Match: A. r(1997)−r(1992) B. ∫19921997r′(t)dt C. r(1997) D. ∫19921997r(t)dt E. [ r(1997)−r(1992)/1997−1992] and interpretations: A. Average rate of change of the debt rate between 1992 and 1997 B. Change in debt rate between 1992 and 1997 C.

109. ## Chem I

Calculate the concentrations of hydronium and hydroxide ions in a solution prepared by dissolving 0.345g of solid NaOH in enough water to make 225mL of solution. Also calculate the pH and pOH of the solution.

110. ## physical

calculate the total energy of a 2-kg object moving at 10m/sec 50meters above the surface.

111. ## physics

5.Assuming the surface tension of water is .073 N/m, what is the force required to overcome the surface tension?

112. ## math

what is the simplified form of the expression? (3c^2d^4)^3(2c^5d^8)^3

113. ## physical science

In the cabin of a jetliner that travels at 600 km/h, a pillow drops from an overhead rack into your lap below. Since the jetliner is moving so fast, why doesn't the pillow slam into the rear compartment of the plane? What is the horizontal speed of the

114. ## physics

An athlete at the gym holds a 5.29 kg steel ball in his hand. His arm is 67.0 cm long and has a mass of 4.57 kg. What is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor?

115. ## calculus

a company introduces a new product for which the number of units sold S is S(t)=200(5-(9/2+t)) where t is the time in months. a.)find the average value of S(t) during the first year. b.) during what month does S'(t) equal the average value during the first

116. ## physics

if a 700-kg piano us lifted 4.0 meters in 14 seconds, how much power is developed

117. ## Chemistry

Okay, so I got question 1 but I don't know how to solve question 2. Since they are tied in, I'll post both of them. 1. When 0.43g of NaNO2 is allowed to react with an excess of HSO3NH2, the volume of N2 gas produced is 0.145 L. After the reaction is

118. ## Engineer Mechanics

60-kg skier passes point a with a speed of 5 m/s, determine his speed when he reaches point b. also find the normal force exerted on him by the slope at this point.

119. ## Finance

A company is considering a plan that has different profit results under different conditions. Assuming there is a 20% chance of a boom and 10% chance of a recession, compute the expected value of their plan. Condition Result Boom \$2,000,000 Profit Average

120. ## physics

if a 700-kg piano us lifted 4.0 meters in 14 seconds, how much power is developed

121. ## algebra

the function w(x)=-0.01x^2+0.27x+9.20 can be used to estimate the number of workers in the US, x years after 1980. How many workers were there in 1995? please show work. a. 9.2 M b. 10.4M c. 11M d. 15.5M

122. ## Calculus

What is the x-coordinate of the point on the curve y=e^x that is closest to the orgin?

123. ## Chemistry 20

Determine the amount concentration of the iron ions and sulfate ions in a 0.620 mol/L solution of iron(III) sulfate. Including the balanced chemical equation.

124. ## chem

An ideal gas in contained in a cylinder with a volume of 5.0x102mL at a temperature of 30C and a pressure of 710 torr. The gas is then compressed to a volume of 25mL, and the temperature is raised to 820C. What is the new pressure of the gas?

At a glassware factory, molten cobalt glass is poured into molds to make paperweights. Each mold is a rectanglar prism whose height is 3 inches greater than the length of each side of the square base. A machine pours 20 cubic inches of liquid glass into

126. ## economics

A company is considering a plan that has different profit results under different conditions. Assuming there is a 20% chance of a boom and 10% chance of a recession, compute the expected value of their plan. Condition Result Boom \$2,000,000 Profit Average

127. ## physics

could someone tell me how to do this? 1. A diagram illustrating several tugboats applying forces to a barge is shown below. What is the magnitude and direction of force does tugboat C (Fc) need to apply to keep the tugboat from moving? C:\Documents and

128. ## chemistry

write a balance equation for the following. when octane is burned in an excess of oxygen, carbon dioxide and water vapor produced

129. ## Math

Mr. Oakley, my wood shop teachger is kind of strange. He has a 12 inch strip of wood with only four marks in it that he uses as a ruler. Yesterday, I asked him about it. "What good is a ruler you use uf ut only has 4 marks on it? There are some lengths you

130. ## Chemistry- wavelengths

a. If a solution appears to be violet, what range of wavelength would you use for analysis of the solution? b. How about if the solution was blue-green?

131. ## economics

A company is considering a plan that has different profit results under different conditions. Assuming there is a 20% chance of a boom and 10% chance of a recession, compute the expected value of their plan. Condition Result Boom \$2,000,000 Profit Average

You are working with the following equilibrium system in which one chromium complex is blue and one chromium complex is purple. The system is at equilibrium and is currently blue. Predict how the color will change if aqueous Ag+ ions are added. Ag+ reacts

133. ## English

Posted by rfvv on Monday, November 15, 2010 at 6:19am. The man said,"I want you to weed this garden." (This garden seems to belong to the man.) Q: What did the man want Francisco and his grandpa to do? 1. He wanted them to weed a garden. 2. He wanted them

134. ## College Chemistry Help Asap!

Determine the values of Kp that correspond to the following values of Kc a)CO(g) + Cl2(g) COCl2(g) Kc= 1.2 x 10^3 at 668 K b)2 NO(g)+ Br2(g) 2 NOBr(g) Kc= 1.32 x 10^-2 at 1000 K c) 2 COF2(g) CO2(g)+ CF4(g) Kc= 2.00 at 1000 degrees Celsius

135. ## Chemistry

What reagent would allow you to distinguish between AgNO3 and MNSO4? (As if using an analysis scheme)

136. ## physics help

A 1.0 kg object is suspended from a vertical spring whose spring constant is 130 N/m. (a) Find the amount by which the spring is stretched from its unstrained length.

137. ## Calculus

An isosceles triangle is to be drawn with its two equal sides of legth 10. What is the maximum possible area for the triangle? [Note: The area of a triangle is given by half the product of two sides with the sine of the included angle.]

138. ## Chemistry 20

What volume, in millilitres, of distilled water must be added to 105 mL of 0.600 mol/L sulfuric acid solution in order to dilute it to a concentration of 0.400 mol/L

139. ## Chem I

Ok here is another one! Concentrated aqueous HClO4 has a concentration of 14.8 M. Calculate the concentrations of ALL ions present in a solution prepared by pipetting 5.00mL of concentrated HClO4 into a 1000.0-mL volumetric flask and filling to the mark.

140. ## physics

A hiker who weighs 889 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 3690 N, and rests on two concrete supports at each end. He stops one-fifth of the way along the bridge. What is the magnitude of

141. ## math

write a decimal number for each word name nine thousand,six hundred five and nine tenths

Use the following Info. At sea level the speed of sound in air is linearly related to air temp. If 35 degrees Celsius sound travels at a rate of 352meters per sec. if 15degrees Celsius sound travels at 340 meters per sec. How would i write a linear

143. ## biology

Which of the following is NOT true about the digestive system of annelids? a. It contains setae to move the food through the anus. b. It is similar to an open tube. c. It passes nutrients through the intestinal wall to the bloodstream. d. It stores soil in

144. ## Intro to chemistry

Determine the volume of 2.3 M H3PO4 that can completely react with? 340 mLs of a 5.1 M solution of NaOH according to the reaction: 3 NaOH + H3PO4 --> Na3PO4 + 3 H2O stuck on a homework problem..pls help!

5.Assuming the surface tension of water is .073 N/m, what is the force required to overcome the surface tension?

146. ## chemistry

A diprotic acid solution H2A has a molarity of .95 M. the concentrations of the species present at equilibrium are as follows: [H+] = .25 M, [HA-]=.25M, [A^2-] =4.6x10^-4 M. what are the first and second ionization constants for this acid?

147. ## Chem I

Ok one more! Write the balanced equations and assign oxidation numbers to all atoms in these two reactions involving iron. If the effective oxidation number of any particular atom changes during the reaction then a redox reaction has occurred. If a redox

1. WHAT IS THE DIFFERENCE BETWEEN A MANAGER AND A LEADER; 2. WHAT ARE THE MAIN OR DIFFERENTS TYPES OF A LEADER OR LEADERSHIP; DISCUSS THEIR MAIN FUNCTIONS AND STATE WHETHER ANYONE CAN BECOME A LEADER.

149. ## chemistry

Write the formulas for these compounds 1. manganese (IV) oxide 2. nickel (II) chloride 3. zinc chloride

150. ## geometry

In an isosceles triangle ABis congruent to BC. Measure of angle A is x +3y and the measure of angle C is 3x +2y. The measure of angle C is 63 degrees. Find x and y.

151. ## math

Originally priced at \$35 now on sale for 25% what proportion could you do to find d the discount of the price

(6x-7) 5x

153. ## science

A 60.0 kg skier rides a 2710 m long lift to the top of a mountain. The lift makes an angle of 14.5° with the horizontal. What is the change in the skier's gravitational potential energy?

154. ## physics help

A 8.6 kg board is wedged into a corner and held by a spring at a 50.0° angle, as the drawing shows. The spring has a spring constant of 186 N/m and is parallel to the floor. Find the amount by which the spring is stretched from its unstrained length.

155. ## Algebra

Consider the equation 5x + 2y = 30. Part 1: On your own paper, graph this equation using the slope-intercept method. In the space provided, explain, in words, each step of the procedure you used. Make sure to use complete sentences and correct grammar. (3

156. ## Molar Mass Question

Hello, I have been asked to find the molar mass of ferrous ammonium sulfate [ NH4]2[Fe][SO4]2·6H2O] would i consider the molar mass of the water as well, why or why not?

157. ## math

The sum of the page numbers on the facing pages of a book is 457. Find the page numbers?

158. ## Math

Tell whether the triangle with the given side is a right triangle;14mm, 19mm, 23mm Explain please.

159. ## st elizabeth technical

1. What would you think of a company's ethics if ti changed accounting methods every year? 2. What accounting principle would changing methods every year violate? 3. Who can be harmed when a company changes its accounting methods too often? How?

160. ## general science

A test liquid has a density if 1.1g/ml. when you pour some of it into a cupof water, what will happen ( assumming that their natures are such that they don't mix and that there is no chemical reaction between the two subtances?

161. ## physics

A square, 0.52 m on a side, is mounted so that it can rotate about an axis that passes through the center of the square. This axis is perpendicular to the plane of the square. A force of 15.0 N lies in this plane and is applied to the square. What is the

The force F required to stretch a string varies directly with the amount the string is stretched, S. 32 pounds is needed to stretch a string 4 inches.. A) Write a direct variation equation that relates F and S. Answer: 32=F*S+4 is what I think.. Most

163. ## history

How did ranching become established in the West?

164. ## Calculus

Find the minimum distance, measured horizontally, between the graphs of y=x and y=x^3

165. ## history

what checks and balances does president, Congress, and the judiciary have on the bureaucracy. Which techniques are used most often, and which are most effective and why? Respond to at least two of your classmates' postings

166. ## math

what is the simplified form of the expression? (3c^2d^4)^3(2c^5d^8)^3

167. ## com/156

what is the main point of process analysis in writing? Why are four basic steps of process analysis important? what happens if you skip a step?

168. ## math

Scientists believe that there is an extremly massive black hole at the center of the milly way. How many times more massive than the Sun would a black hole with a mass of 7.36 x 10^36 kg be? The mass of the sun is approximately 1.99 x 10^30 kg.

169. ## Chemistry

Can you have one half-reaction take place, without the other half-reaction taking place immediately? The other half-reaction takes place when the cell potential is raised. I half witness this in some electrochemical cells. Sincere Thanks.

170. ## Physics

5.Assuming the surface tension of water is .073 N/m, what is the force required to overcome the surface tension?

171. ## MATH STUCK:-(

I am having some difficulties factoring polynomials and I use only one method to figure the stuff out, which is the guess and check method because it's just mental math work and not that complicating. Here is a question that I know how to do, and below it

172. ## Physics

Two People who weigh the same climb a flight of stairs. The 1st person climbs the stairs in 30s, and the 2nd person climbs them in 40s. Which person does more work? which uses more power. - I would personaly think the 2nd person does more work and power

173. ## science

Pendulum A is 20 cm long and has a 5 gram mass on it. Pendulum B is 30 cm long and has a 10 gram mass on it. Which one has a faster period?

174. ## ethics

Consider the following scenario: You are aware of a problem that is costing your company productivity. This problem is caused by a fellow employee !@#\$%^&fuses to use current technology. This employee has asked you to keep the situation to yourself, since

175. ## Music The Classical Era

The______ is an essential characteristic of the sonata form.

176. ## math

Find the maximum area of a rectangle inscribed between the x-axis and f(x)=-x^4+3

177. ## MATH

KARA NEEDS \$35 FOR AN AQUARIUM FOR 6 FISH. HOW CAN SHE PAY WITH THE LEAST TEN AND ONE DOLLAR BILLS?

178. ## chemistry

How many grams equal 6.3 mol of N2?

The table shows the ammount ( IN dollars) spent by a household on plans and flowers in certain years. ( Time interval means to give a range of years) A) Determine the time interval during which the amount spent on plans showed the least rate of change. B)

180. ## Calculus

what is the equation of the tangent line that passes through X^(1/4) + y^(1/4) =4 at the point (16,16) please give the equation

181. ## science

What is the diffrence bettween mitosis and meiosis in plant and animal cells?

A basketball player makes a jump shot. The 0.700 kg ball is released at a height of 1.90 m above the floor with a speed of 7.00 m/s. The ball goes through the net 3.10 m above the floor at a speed of 3.70 m/s. What is the work done on the ball by air

asked by DUE TOMORROW NEED HELP!
183. ## math

Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall champ? please help me...and if u get the answer can you explain how you got it with a rule or a pattern

184. ## math

The present value of the money in your savings account is \$420, and you're receiving 3% annual interest compounded monthly. What is the future value in two months?

185. ## Statistics

For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: A. a sample of 10 with a mean of 44. B.a sample of 1 with a mean of 48. The

186. ## biology

Characteristics that give birds the energy they need to fly long distances are a. strong breast muscles and wings. b. aerodynamic feathers and lightweight bones. c. divided ventricle and air sacs in lungs. d. endothermic metabolism and fused bones. C?

187. ## physics

A projectile is fired horizontally from a gun that is 95.0 m above flat ground, emerging from the gun with a speed of 250 m/s.

188. ## math

you invest 1000\$ at an annual growth intrest rate of 5%.how much money will your investment be worth in 20years?

189. ## math

How many different combinations of coins can total exactly \$0.40? I got 31 possible combinations

190. ## Trigonometry

1. (cotè+1)(cscè-1/2)=0 2. sin²è-cos²è=1+cosè

191. ## chemistry

the solution contain 6 grams of caustic soda dissolved per dm.find the percentage impurity

192. ## Chemistry

What reagent would allow you to distinguish between AgNO3 and MNSO4? (As if using an analysis scheme)

193. ## chemistry

What is the concentration of hydroxide ions in a solution of .31 M sodium acetate (NaCH3COO)? (The Kb for sodium acetat is 5.6 x 10^-10.)

194. ## Physics

When a driver applies brakes to keep a car going downhill at constant speed and constant kinetic energy, the potential energy of the dar decreases. Where does this energy go? Where does most of it go with a hybrid vehicle?.

195. ## math

is this correct? 19 - 8 < 12 would the number 8 make this number sentence true?

196. ## math

Rex is taking three friends for a ride in his new car. one friend can sit in front with Rex, and two can sit in back. If Rex always drives, how many seating arrangements of two passengers in back and one in front are there in his new sport car?

197. ## physics

A Ferris wheel rotates at an angular velocity of 0.20 rad/s. Starting from rest, it reaches its operating speed with an average angular acceleration of 0.029 rad/s2. How long does it take the wheel to come up to operating speed?

199. ## history

what checks and balances does president, Congress, and the judiciary have on the bureaucracy. Which techniques are used most often, and which are most effective and why? Respond to at least two of your classmates' postings

200. ## biology

Which of the following are three common characteristics of echinoderms? a. tube feet, circulatory system, body symmetry b. marine-dwellers, endoskeletons, water-vascular system c. bilateral symmetry, ossicles, respiratory system d. mouths, protosomes, body

201. ## general science

Which of the following is an example of homogeneous mixture? b. a typical soil sample c. a glass of orange juice d. a bottle of vinegar

202. ## Economics

Hi guys, I'm having a lot of trouble with this question. Maybe I should have paid attention more, too late now though. If anyone could help or point me out in the right direction, I'd really appreciate it! Thank you. Here is what the paper says "Your

203. ## calculus

Q1) find the derivative of cos(e^(x^4sin(x))) Q2) If d/dx (f(4x^5))=7x^2 calculate f'(x)=

204. ## science

A 60.0 kg skier rides a 2710 m long lift to the top of a mountain. The lift makes an angle of 14.5° with the horizontal. What is the change in the skier's gravitational potential energy?

205. ## Physics help

A 1.0 kg object is suspended from a vertical spring whose spring constant is 105 N/m. The object is pulled straight down by an additional distance of 0.25 m and released from rest. Find the speed with which the object passes through its original position

206. ## Math

Tina had no money until she received her pay from her boss. Afterward, she spent 7.50 dollars on food every day from Monday through friday. She spent 30 dollars on clothes and 25 dollars to repair her bike. If she had 40.50 left over what would be a

207. ## college algebra

What is the fundamental theorem of algebra of this polynomial in completed factored form? and how do I graph it? f(x)=x^5-x^4+x^3-x^2+x-1

208. ## math

Betty buys 16 balloond for her friend. At the rate given in the sign below how much does she pay in \$ and cents A dozen ballons for \$4.80

209. ## Thermochemistry Ap Chem homework

Any help would be great, even if it is just a way to start or a formula. Calculate the heat necessary to convert 10.0 g of water (just melted) at 0 degrees Celcius to water at 20 degrees Celcius, assuming that the specific heat remains constant at 1

210. ## chemistry

In the emission spectrum of hydrogen, some lines are in the infra red range. h l Suggest an electron transition (specify n and n) that is in this range and calculate its corresponding wavelength and delta E.

211. ## english

I'm writing my essay on the book Edward's eyes and my essay is about the three types of themes in the book. The first theme is about the closeness of a familys relationship to each other. How would I write my topic sentence for my first paragraph. I'm

212. ## statistics

The first class in a relative frequency table is 50-59 and the corresponding relative frequency is 0.2. What does the 0.2 value indicate?

213. ## Statistics

When comparing two independent population means, how do I find the degree of freedoms?

214. ## History

When was the evolution of the socio- political milieu during the colonial period including Protestant Christianity's impact on colonial social life

215. ## chemistry

The Ka of stearic acid is 1.3 x 10^-5. what is the Kb of stearate?

216. ## MARKETING MANAGEMENT

1. DEFINE AND COMMENT ON THE MARKETING CONCEPT. 2. OUTLINE AND COMMENT ON THE ROLE OF MARKETING MANAGEMENT WITHIN THE WIDER CONTEXT OF THE OPERATION OF A BUSINESS ENTERPRISE AS A WHOLE UNIT.

217. ## English

1. He had to help his grandpa get work. 2. He had to help his grandpa get a job. 3. He had to help his grandpa get a work. (Does #1 have the same meaning as #2? What about #3? If we add 'a' before work, is it correct?)

218. ## Algebra

How would I write 1-2log(7)x as a single logarithm Choices: log(7) x^2/7 log(7) 7x^2 log(7) 7/x^2 log (7) x^2 Thank you

219. ## Chemistry

Which atom has a larger atomic radius, Ca or Ra? Why?

220. ## Com170

Analyze why one paragraph was more effective than the other. In my analysis, compare the sentence structure, word choice, punctuation, variety, and the rhythm of both paragraphs. Most consumers understand that a good credit score is vital to one's

221. ## college

What do I do to Find dy/dx using logarithmic differentiation. y=(x^3)sqrt(1+(x^2))

At the end of each month, Jacob puts \$400 into an account that pays 6%, compounded semi-annually. Use your graphing calculator to determine how much Jacob will have after 25 years? Show how you obtained your answer by filling in the following as if it was

223. ## chemistry

At 25 degrees Celsius the Ka for a 0.120 mol/L solution of acetic acid (HC2H3O2 ) is 1.8 X 10-5. determine the pH of the acetic acid solution

224. ## algebra

i have very little information in my math book on the following questions. can you either tell me the answer or a link where i can find my own answer. thanks How do you know if a quadratic equation will have one, two, or no solutions? How do you find a

225. ## Environmental science

What policies would be recommended to Italy or germany assuming their desire to acheive a sustainable society

how do you do linear functions?...for ex.xy=6..whats the answer?

227. ## chemistry

The quantum numbers: n = 1, l = 0 and ml = 0 ; can occur together to specify an orbital

228. ## Math

Use an addition or subtraction formula to write the expression as a trigonometric function of one number, and then find its exact value. (tan(π/2)+tan((2π)/3)) / (1-tan(π/2)tan((2π)/3)) Answer=__________ Exact value answer=_________ ~Thank you.. I

229. ## chemistry

What reagent would allow you to distinguish between FeCl3 and PbCl2? (As if using an analysis scheme)

230. ## marketing

you work in the marketing department of a small sportswear and accessories, but a proposal to diversify into sports shoes is under consideration. your marketing director asks you to write a report on the advantages and disadvantages of entering the sports

231. ## physics

Two cars have a head-on collision.Both were traveling at 37 m/s toward each other.Car A has a mass of 432 KG.Car B has a mass of 90 KG. After impact,car A is moving backward at 3 m/s. What car B's velocity after impact?

232. ## english

What do you think about this situation? What is the assessment of this scernario Talk with a 22 year old male student and school athlete, plays water polo, about adapting while recovering from a broken pelvis. He feel he will lose his edge during recovery

233. ## English

Hi I have to do a presentation on the graphic version of the novel "Kidnapped" by Robert Louis Stevenson. I plan on doing a powerpoint (it's on tuesday ahh). I was wondering what key points i should mention and describe. Please help, I am stressing over

234. ## college

What type of goods is most often produced in a traditional economic system? a-heavy industrial machinery b-textiles c-agricultural products

235. ## algebra

x^2+3x-12=0 I need to factor this and thought I knew how, but I can't figure this one out. Factors of 12 are 1,12; 2,6; 3,4 and when I subtract these I don't get the 3 I need for the 3x. Am I overlooking something? My other problems were easy, so I don't

236. ## science

A 60.0 kg skier rides a 2710 m long lift to the top of a mountain. The lift makes an angle of 14.5° with the horizontal. What is the change in the skier's gravitational potential energy?

237. ## physics

A rubberband has mass 8.5g. The spring constant is 13.0. The rubberband is pulled back 3.4 cm. What is the velocity when rubberband is let go?

238. ## data

In how many ways can 12 prizes be divided between 2 people? (combination question)

y= 6x is written as: Choices y = log(6)x x = log(6)y I chose y = log(6)x, correct?I did the inverse so x = 6^x isolate y so it becomes y = log(6)x

At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for

241. ## physics

a 2 liter bottle rocket has a thrust phase on .25 sec. The rocket goes straight up, reaches its apex, then plunges straight down. Total time is 8 sec. How do I calculate height, velocity and acceleration???

242. ## grammar

mark each verb used in bold and in parentheses, identifythe specific tense used in this sentence: "Keeping a grade point average of 2.0 is very important when attending AXIA school for four consult courses in order for financial aid to continue paying your

243. ## AP Government

I have a few question I need answered, if anyone could help I would really appreciate it... 2. All Presidents but one have been a. Protestant b. Catholic c. Evangelical Christian d. Atheist e. Hare Krishna 16. A mid term election is a. A Congressional

244. ## Chemistry

The weak acid HQ has a pKa of 4.89. calculate the [OH-] of .50 M HQ.

245. ## Chemistry

What reagent would allow you to distinguish between BaS and NiSO4? (As if using an analysis scheme)

246. ## chemistry

If a solution appears to be violet, what range of wavelength would you use for analysis of the solution? How about if the solution was blue-green?

247. ## Physics

A projectile is fired at an upward angle of 25.0^\circ from the top of a 310 m cliff with a speed of 220 m/s. What will be its speed when it strikes the ground below? (Use conservation of energy.)

248. ## COMMERCIAL LAW

1. WHAT ARE THE MAIN REQUIREMENTS FOR A VALID CONTRACT; 2. WHAT IS THE DIFFERENCE BETWEEN AN OFFER AND AN INVITATION TO TREAT AND WHY IS THE DIFFERENCE IMPORTANT;

1.) How does reading across a periodic table compare and contrast with reading down a group on the periodic table?

250. ## geometry

one radius of a circle is 4 meters long. How long would a different radius of the same circle be?

251. ## math

You have a loan for \$150,000 at 5% on a 30-year mortgage. You plan to pay off your loan in 10 years. Do you want your loan to be figured using the Rule of 78 or the Unpaid Principle Balance Rule?

252. ## Science

A rollercoaster will be going at a speed of 36 m/s through a loop. To make sure the riders don't experience acceleration greater than 20 m/s2, what should be the radius of the loop?

253. ## Statistics

For a population that has a standard deviation of 10, figure the standard deviation of the distribution of means for samples of size 3.

254. ## english

The mortals are the pygmalion and Aphrodite in the myth of pygmalion is that right? help me please.

255. ## Chemistry

Explain, in terms of subatomic particles, the difference between S-32 and S-34

256. ## college algebra

What is the fundamental theorem of algebra of this polynomial in completed factored form? and how do I graph it? f(x)=x^5-x^4+x^3-x^2+x-1

257. ## chemistry

what happens to the loosely held electrons when each ion is heated in the flame

258. ## math

There are 25 students in math class. 15 students are female. What percent of the class is female

259. ## economics

Can you help me describe National Debt in 2 paragraphs?

Given Data: Total Sales: \$912,500 % of customers that take discounts: 40% % of customers that do not take discounts: 60% # of days that cusomers who take discounts pay by: 10 Days # of days that customers who do not take discounts pay by: 40 Days # of days

261. ## math

solve for x: 2xcubed+18x=-15xsquared

262. ## Environmental science

If You need to feed a village of 100 people and you have only 10 seeds,what would you do

263. ## chemistry

For n = 2, one of the values of l is 0

264. ## Accounting-Journal Entry

Sales for the month were \$650,000, 85% of sales were on account. Gross margin is 40% of sales.

265. ## chemistry

An unknown weak monprotic acid with the general formula HA has a Ka=5.5 x 10^-7. what is the value of the equilibrium constant that describes the following reaction? A- +H2O = HA +OH-

266. ## Fine Art

2. A process that uses grease and water to reproduce many prints is called a. lithography b. relief c. screen printing d. intaglio A? 4. ______ describes the lightness or darkness of a color. a. Hue b. Intensity c. Value d. Unity C? 5. When gathering

267. ## physics

a body of mass 20 kg suspended from a rigid support is rotated on a cylinder of d=20cm calculate moment of force above the axis of cylinder

find the unit rate- -it snows 15cm in 3 hours -You pay \$53.00 for boks

269. ## English

what are two important influences on langston hughes. how did these things affect his work?

270. ## English

1. What are they like? -They are brave. 2. What is their presonality like? - They are brave. (Are the questions and answers right and the same?) 3. It is shaped like a fish. 4. They are shaped like fish. (Are both grammatical? What is the part of speech of

271. ## Math

At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for

272. ## Math

I am less than 100, the sum of my digits is 8. If you divide me by 2, I am an even number. My tens digit and my ones digit are the same. What is the answer

273. ## chemistry

The red line in the Helium spectrum is longer than the red line in the hydrogen spectrum. What does that tell us about the distance between n2 and n3 in helium as compared with the distance between n2 and n3 in hydrogen?

274. ## Physics

the motion of two students- Mac (starts @ 2m) and Tosh (starts @ 12m) - as they enter and exit the school library during a passing period determine the sppeds at which the two students move than determine how much faster the fastest student moves thatn the

275. ## Spanish

Need help with this activity: Imagine that in your backpack you have several writing implements, all of which are the same size: 2 lápices, 5 bolígrafros, 3 marcadores. If you pull one out at random, what is the percent probability that it will be a

276. ## accounting

Give arguments in favor of following statement. “FIFO method for inventory valuation may increase income tax due as well as showing true financial position of a business with respect to inventory during the period of rising prices.”

277. ## chemistry

what happens to the loosely held electrons when each ion is heated in the flame

278. ## healthcare mgt-college

You are a new administrator at a hospital, the icu & er are suffering a shortage of respiratory therapists, you need to gather information for a meeting with them, what information do you need before the meeting? develop a tactical plan, what are the major

279. ## English

1. They shape clay like an apple. 2. Clay is shaped like an apple. (Is #2 the passive form of #1?)

280. ## english

For english i need to write a paper of the the slang words used during the civil war. I already have many examples but i cant seem to find history or facts about it. am information that you know would be helpful like origin, history,who came up with the

Question 21 (Essay Worth 8 points) [2.08] The formula for degrees Celsius is: C = 9 over 5 (F − 32), where F stands for degrees Fahrenheit. Part 1: Solve the formula for F. Show all steps. Part 2: Determine how many degrees Fahrenheit 2 degrees Celsius

282. ## chemistry

How many moles of negative ions are in 33.7 g of AlF3?

283. ## college

The CIO of ABC Health Care wants you to develop an organizational chart for the HIM Department. The chart should portray the groups under each unit and any other staff that work within the various departments. Use the ABC Health Care HIM organizational

284. ## English

I really hope you can have a look at the following sentences. 1) My father worked as a production manager (?) for a famous confectionary company. His job involved making new chocolate pralines. 2) My mum works shifts (does shifts?). She is taking the 9 to

286. ## PHYSICS

If a goalie faces an 80mph slap shot hit from 40 feet away, how much time is there before puck arrives at the net (5280ft= 1 mile) If the goalie requires half of the above time to complete his move to deflect the puck, how much time does the goalie have to

287. ## AP Chemistry

What is the equation for Pour A Rainbow?

288. ## Chem I

Calculate the pH of two buffer systems to compare the differences in pH. One contains 1.0 M NH3 and 3.0 M NH4Cl. (Ka of NH4+, is 5.6x10^-10). The other contains 1.0 M NH3 and 5.0 M NH4Cl. (Ka of NH4+, is 5.6x10^-10).

289. ## physics

please help me!! i need to explain what is the easiest angle to lift an object. to use as less newton as possible/ the object will lay on surface that i can state its degree/ the degree that requiers the lowest force needed is 26.91 i found it but my

290. ## english

we're the one and only primo exemplary, boisterous in a fun groove and rapturous in our own fascinating way. check parallelism???? tnx

291. ## Geometry

Please imagine a triangle here. >.< the 'o' is a person and the two peaks are the mountains. /\___/\ _\___/ ___o Explain why the distance between these two peaks are greater than the difference of the distances from the person to each peak.

1.) How does reading across a periodic table compare and contrast with reading down a group on the periodic table?

293. ## chemistry

we add 100 ml of water at 20 degrees celcius to 10g of an unknown substance which is at 50 degrees celcius. The water ends up at 25 degrees celcius. how much heat was transfered?

294. ## chem

i had posted this question about a week ago and had gotten help from bobpursley(thank you so much btw) but i was showed how to do it using an equationa and now when im studying for the test i realize i need to be able to make a conversion factor to solve

295. ## English

Posted by rfvv on Monday, November 15, 2010 at 8:41pm. 1. What are they like? -They are brave. 2. What is their presonality like? - They are brave. (Are the questions and answers right and the same?) 3. It is shaped like a fish. 4. They are shaped like

296. ## Chemistry

Name these compounds (^these are symbolize subscripts) 1. CoCl^3 2. CrF^6 3. AgBr 4. Fe^20^3 5. CrF^3 6. TiCl^4

297. ## science

If Sally is pulling a toy car with mass of 20g with a force of 7N, what is the car's acceleration?

298. ## Chem

Determine the number of moles of silver chloride formed when three moles of sodium chloride are reacted completely with silver nitrate

299. ## calculus

use &-e to prove the following lim x^2-9/x+3 = -6 x->-3 please help me i really need help:( the & stands for delta and e stands for epsilon

300. ## trig

secant theta = square root of seven over two and cosecant theta is less than zero

301. ## Life Science

Is interphase a step of mitosis or a preparation of mitosis? Then explain what interphase does.

302. ## Math

How do you get the general term for a sequence that has increasing common differences? For example: 1,2,4,7,11

303. ## Gr.12 Data Mangement!!!!

In how many ways can 12 prizes be divided between 2 people? (combination question)

304. ## chemistry

For all deexcitations that result in the visible spectrum of hydrogen, what is n ?

305. ## English

Hi I am doing an article on why I think humans should not eat meat from the perspective of a parent with a child. I need three solid arguments for this; please help.

306. ## internet rtesearch

If you are using the Internet and Web resources for a business publication, under which conditions is it not necessary to include a citation?

307. ## Science

Does blood bring cell things like oxygen and digested food?

308. ## biopsychology

Explain to little brother or sister how neours and synapses work

309. ## Human Resources

Name three selection tools that you would consider using to hire a police officer.

310. ## science

Are all materials in 3d why or why not?

311. ## math

Two composite numbers greater than 10 who GCF is 1

Elaborate comparisons which are used by advertisers are usually a. fallacies of evidence b. fallacies of language c. newsworthy I am not very sure, I would guess b?

313. ## algebra

What is x/3=7/6

314. ## english

In the story of pygmalion and galatea what mortals are involved? Can you explain what they mean . ?

Find the value of x so that F(x)=23 I can't figure this out? Could someone help? Thanks.

316. ## social studies

What did the northern states want when the 13 new states wanted to change the Articles of Confederation to a Constitution?

What experiments or activities are unacceptable to do with seeds

318. ## math

5 + _____< 15, 19 - _____ < 12, and 27 + _____ > 30... need to find 3 whole numbers that make each of these number sentences true.

319. ## math

Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall champ? please help me...and if u get the answer can you explain how you got it with a rule or a pattern

320. ## com 156

i understand that media has changed our culture by making things easie to access and that we have became more reliable on the internet. even after reading my chapter i still do not understand what they are expecting me to put for how it has changed

321. ## algebra

which of the following is true about the polynomial f(x) = x3 + 9x2 + 24x + 16 ? a. -1 is a zero b. 1 is a zero c. -2 is a zero d. 2i is a zero

322. ## Math

a deck of cards haa 52 cards. in it has 4 of {aces,2,4,3,4,5,6,7,8,9,10,queens,kings,and jacks well you know} what is the probability of getting 4 aces at a time? express your answers as a common fraction. ps. the answers 4/52 or simplfied is not the

unable to get a book on frankenstein for homework tonight need answers on these questions. what do the three men tell the judge? who did they murder in the water? who is responsible and how did they do it? what happens to frankstein when he sees the dead

describe why it is important to consider each domain in the study of adult development

325. ## math

jared spent 76 dollars in june. In july he spent 1/5 more money than he did in june which procedure can be used to determine the money he spent in july add 1/5 abd 75 multiply 1/5 abd 75 then add 75 multiply 1/5 and 75 divide 1/5 by 75 then subtact the

326. ## math

the boiling point of water is 100 degrees celsias or 100 lttle zero c.what is this tempature in degrees fahrenheit?

When comparing two independent population means, how do I find the degree of freedoms?

328. ## Chemistry

How would the electronegativity and first ionization energy values of lithium compare with the same values of oxygen? Why?

329. ## math

Betty buys 16 balloond for her friend. At the rate given in the sign below how much does she pay in \$ and cents A dozen ballons for \$4.80

330. ## math

having a little trouble following the steps to complete this problem. Rewrite each expression with a positive ration exponent. Simplify if possible: 16^-3/4

331. ## math

what is linear measure and precision

332. ## Algebra

What is the simplified form of the expression? (y^-5)-10 -5 and -10 are exponents

333. ## music

what the definite for music

334. ## algebra

4/7+n/12 what is n

335. ## algebra

how do you get the ordered pair (22,-28) from the equation: 2a+b=16?

A useful strategy for identifying and analyzing arguments consists of 1) underlining all signal words 2) locating the conclusion, and 3).. a. locate premises b. identify all bias words c. locate fallacies I think it is c?

On the last school day of the first grading period Michael learns his final grade for each class. If order is not important and we know he has earned at least 1 of each of the 5 letter grades, what is the total number of combinations of 7 final grades (one

338. ## Math

Rae runds a mile 20 times. Her average time is 5.2 mins. She wants to drop her slowest time 5.8 mins and find the ew average. Write and equation to find are her new average running time

339. ## math

If the perimeter of a shape is 16 what would be the equation for the perimeter of this shape

340. ## edu 310

What are the major issues that perpetuated the evolution of the American education system in the United States? How did they impact the changes that have taken place

341. ## math

You've received an invoice for \$3,000 with terms of 3/10, 1/20, n/30. How much will you have to pay if you pay the bill in 12 days?

342. ## 3rd

what is a good number sentence with two expressions that equal each other?

343. ## Pre-algebra

So 7t = -98. What is t?

344. ## poetry

What is the meaning of the phrase "steal the secret of the sun"

345. ## Math

Andy and Cathy run for class president. There were 598 votes but 36 of the votes were with drawn. How would I write an equation that could be use to find n the number of votes that represent a tie?

346. ## English

Franscisco thanked to the driver to get work. (Is this a correct sentence?)

347. ## media and culture

i know that media convergence is taking things and making putting it together as one service. like bundling cable internet and phone. but i do not get how this has impacted our culture!

348. ## Science

If James pushed a box with the acceleration of 25 m/s2 with a force of 50N, what is the mass of the box?

349. ## Debating help

between order and freedom? why order is considered more valuable than freedom? vice versa?

350. ## Science

Does blood bring cell things like oxygen and digested food?

351. ## Science

Does blood bring cell things like oxygen and digested food?

352. ## Science

Does blood bring cell things like oxygen and digested food?

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354. ## math

Sevnety-eight players entered a single elimination tennis tournament.How many matches were played to determine the overall champ? please help me...and if u get the answer can you explain how you got it with a rule or a pattern

355. ## CHEM

What reactions does Br- have, ones that would distinguish it as a anion? As in a anion analysis scheme?

356. ## social studies

Island country in the Pacific Ocean that was owned as an imperialist colony of Great Britain in the 1800's?

357. ## English

The man said,"I want you to weed this garden." (This garden seems to belong to the man.) Q: What did the man want Francisco and his grandpa to do? 1. He wanted them to weed a garden. 2. He wanted them to weed the garden. 3. He wanted them to weed this

358. ## English

1. I lied that you were a fine gardener. 2. I told him that you were a fine gardener. 3. I lied and told him that you were a fine gardener. ( #1 plus #2 is #3? Right?) 4. I lied. 5. I told him that you were a fine gardener. 6. I lied and told him that you

359. ## math

The first angle of a triangle is 24 more than the second. The third angle is twice the first. Find the measure of the angle of the triangle.

360. ## Math

Originally priced ar 35 dollars now on sale for 25% find an proportion to find d. d/35 = 25/100

blank a type of material that tries to prenent the flow of thermal energy.

362. ## math

y=-3x+2 x -3 -2 -1 0 1 2 3 y 11 8 5 2 -1 -4 -7 Two question- Where is the slop in the equation? How can you tell the slope in the table

(2/hn^9)^2

(2/5n^9)^2

365. ## math

What is the solution of the given equation? 12;8t=96?

366. ## MATH HELP ME 1st

find the mean. -46,-33,0,11

367. ## materials

are all materials in 3d?

368. ## math

when might you want to use a scale on a graph that does not start at 0

369. ## social

indira gandhi twenty principals