# Questions Asked onOctober 1, 2012

1. ## chemistry

Write a balanced chemical equation for the reaction that occurs when barium carbonate decomposes into barium oxide and carbon dioxide gas when heated. Express your answer as a balanced chemical equation. Identify all of the phases in your answer.

2. ## Physics

A mass hangs on the end of a massless rope. The pendulum is held horizontal and released from rest. When the mass reaches the bottom of its path it is moving at a speed v = 2.8 m/s and the tension in the rope is T = 21.7 N. 1)Now a peg is placed 4/5 of the

3. ## Math

In the number 7,725 which places contains digits where one digit is ten times greater as the other?

If Fran’s fudge recipe calls for 2 and 1/2 cups of sugar and she increases it by 2/5 of a cup, how much sugar does she use? a. 2 2/10 b. 2 3/7 c. 2 4/9 d. 2 9/10 is the answer d because 2 1/2 plus 2/5 equals 2 9/10? If it is incorrect, then why? Thanks!

5. ## Statistic

If a person told you what month he was born, would it be unusual to guess the date of his birth ( not including the year)? Justify your answer. (Note: An event is to be considered "unusual" if its probability is less than or equal to 0.05.)

6. ## Math

The number 57,733 contains two sets of digits in which one digit is ten times as great as the other. What are the values of the digits in each set?

7. ## ap

Identify the type of reaction C4H10(g) + O2(g) ! CO2(g) + H2O(g) 1. hydrocarbon synthesis 2. single displacement 3. incomplete combustion 4. complete combustion

8. ## Pre-Algebra

If a ping pong ball falls from the top of a building that is 168 feet high, how many seconds will it take the ball to hit the ground? Remember, the formula for distance is d = 16t^2. 1 3.2 10.5 16

9. ## Math, Trig

The high level bridge, a railway bridge that crosses the Oldman River is over 1km long. From one point on the river, the angle of elevation of the top of the bridge is 62.6 degrees. From a point 20m closer to the bridge, the angle of elevation of the top

10. ## geography

Find a functional factor that connects Egypt to Africa, to Europe, and to Southwest Asia.

11. ## Physics

Sam, whose mass is 80kg , takes off across level snow on his jet-powered skis. The skis have a thrust of 220N and a coefficient of kinetic friction on snow of 0.1. Unfortunately, the skis run out of fuel after only 8.0s. a) What is Sam's top speed? b) How

12. ## Daily word problems

The distance across the front of the store is 294 feet. The distance from the front to the back is one-third of this distance. If the owners paint a sign all the way around the outside of the factory, how many feet long will the sign be?

13. ## Chem

Zinc, copper, lead, and mercury ions are toxic to Atlantic salmon at concentrations of 6.42 times 10 to the -2 mM, 7.16 times 10 to the -3 mM, 0.965 mM, and 5.00 times 10 to the -2 mM, respectively. What are the corresponding concentration is milligrams

14. ## math

what two simpler problems can you use to find 9 times 38?

15. ## statistics

4. A college student is interested in whether there is a difference between male and female students in the amount of time spent studying each week. The student gathers information from a random sample of male and female students on campus. Amount of time

16. ## Geomatic Sequence

In a geomatic sequence, the seventh term exceeds the fifth term by 1920. Find the sum of the first eleven terms if the common ratio of the sequence is 2.

Which is irrational? 0.117117117 . . . 0.8596873205 . . . 0.812812812812 . . . 0.605605605 . . . 6. If there is 1/2 of a pizza and Jonas wants only 1/3 of it, how much of the pizza will he eat? (1 point) one-fifth two-fifths one-sixth two-sixths One

18. ## calculus

If a rock is thrown upward on the planet Mars with a velocity of 13 m/s, its height in meters t seconds later is given by y = 13t − 1.86t2. (Round your answers to two decimal places.) (a) Find the average velocity over the given time intervals.

19. ## ap

An excess of aqueous AgNO3 reacts with 44.5 mL of 5 M K2CrO4(aq) to form a precip- itate. What is the precipitate? 1. K2CrO4 2. KNO3 3. Ag2CrO4 4. AgNO3 What mass of precipitate is formed? Answer in units of g

20. ## chemistry

A compound has the empirical formula CH2O. When 0.0866 g is dissolved in 1.0 g of ether, the solution’s boiling pint is 36.5oC. Determine the molecular formula of this substance

21. ## Economics - Finance

If your bank pays 5.5 percent interest on savings deposits, what is the simple interest paid in the third year on an initial \$100 deposit? What is the total amount in the account after three years? What is the amount after three years if the interest was

22. ## chemistry

What is the density of a sample of 65.0mL of automobile oil having a mass of 59.82g

23. ## language arts

I have another question on object of the preposition. In the sentence, I found my homework inside my social studies book. Would the object of the preposition just be book or would it be social studies book? I'm getting confused. I know social studies tells

24. ## Physics

An object is released from rest on a planet that has no atmosphere. The object falls freely for 2.73 m in the ﬁrst second. What is the magnitude of the acceleration due to gravity on the planet?

25. ## MATH

tHERE ARE 4 FIFTH GRADE CLASSES IN A SCHOOL. EACH CLASS Has 24 STUDENTS. fOR EACH GYM PERIOD, TWO FIFTH GRADE CLASSES TAKE GYM TOGETHER. tHERE ARE 10 GYM PERIODS IN ALL DURING SCHOOL WEEK. wHAT INFORMATION IS NOR NEEDED TO FIGURE OUT HOW MANY TOTAL

26. ## Organic Chemistry

In lab, we did an oxidation of 2-ethyl-1, 3-hexanediol with acetic acid and sodium hydrochlorite. I understand the acid is the solvent and in combination with NaOCl produces hypochlorous acid the oxidizing agent. Then we mix with an ice salt mixture and

27. ## Physics

A pipe that is open at both ends has a fundamental frequency of 330 Hz when the speed of sound in air is 333 m/s. What is the length of this pipe? Answer in units of cm. What is the second harmonic? What is the third harmonic? Answer in units of Hz. What

28. ## chemistry-lattice energy

Determine the lattice energy for CaBr2 if the enthalpy of solution for CaBr2 is -145 kJ/mol, and the heats of hydration for Ca2+ and Br- are -1650 kJ/mol and -292 kJ/mol respectively.

29. ## ap

An excess of aqueous AgNO3 reacts with 44.5 mL of 5 M K2CrO4(aq) to form a precip- itate. What is the precipitate? 1. K2CrO4 2. KNO3 3. Ag2CrO4 4. AgNO3

30. ## trig

a plane flying 33,000 ft is 130 miles from the airport when it begins to descend if the angle of descent is constant find this angle

31. ## Physics

Sam, whose mass is 80kg , takes off across level snow on his jet-powered skis. The skis have a thrust of 220N and a coefficient of kinetic friction on snow of 0.1. Unfortunately, the skis run out of fuel after only 8.0s .

32. ## statistics

4. A college student is interested in whether there is a difference between male and female students in the amount of time spent studying each week. The student gathers information from a random sample of male and female students on campus. Amount of time

33. ## Physics

To demonstrate standing waves, one end of a string is attached to a tuning fork with frequency 120 Hz. The other end of the string passes over a pulley and is connected to a suspended mass M, as shown. The value of M is such that the standing wave pattern

34. ## Math

Round 11.76 to the nearest one

35. ## Geomatic Sequence

In a geomatic sequence, the 7th term exceeds the 5th term by 48. Find the first term if the common ratio is 2.

36. ## Physics

if pressure inside a cylinder with a circular hatch is 2 atm and the radius of the entrance hatch is 12 inches, what force does the air exert on the hatch? i cannot figure out if it would be 13,300.6 lb 24 lb 288 lb 1,300.6 lb or 904.8 lb

37. ## physics 23

A 4.1-m-diameter merry-go-round is initially turning with a 4.2 period. It slows down and stops in 24 . How many revolutions does the merry-go-round make as it stops?

38. ## Math

A baseball diamond is a square sides 22.4 m. The pitcher's mound is 16.8 m from home plate on the line joining home plate and second base.. How far is the pitcher's mound from first base? (we are using the LAW OF SINES AND COSINES)

39. ## Chemistry

A chemist requires 0.780 mol Na2CO3 for a reaction. How many grams does this correspond to?

40. ## 7th grade science Ms. Sue

Violent storms generally form along _____. (1 point) occluded fronts cold fronts warm fronts stationary fronts 2. Areas of low pressure usually have _____. (1 point) cloudy weather good weather descending air none of the above These are my answers. Are

41. ## hard 5th Grade Math

Two 5th grade classes raised money for their local animal shaelters.There are 20 students in Class A. Each student raised 12\$. There are 26 students in Class B raised 1.5 times as much as each student in Class A. A. How much money was raised altogether in

42. ## Chemistry

Suppose you titrated a sample of distilled water with EDTA, approximately what volume of EDTA would be required?

43. ## ap

A volume of equimolar strong acid like HCl is mixed with an equal volume of equimolar strong base like NaOH in a beaker of water. What exists after the reaction? 1. mostly water molecules and HCl, NaOH, and NaCl molecules 2. mostly water molecules and Na+

44. ## ap

Classify the reaction (NH4)2Cr2O7 ! N2 + 4 H2O + Cr2O3 as one or more of the following: Z1) combination Z4) metathesis Z2) decomposition Z5) displacement Z3) redox 1. Z2 only 2. Z2 and Z5 only 3. Z2 and Z3 only 4. Z3 and Z5 only 5. Z1 and Z3 only

45. ## ap

Which of the following metals or nonmetals are expected to displace Mn or Cl (respec- tively) from MnCl2? 1. Cu should displace Mn. 2. I should displace Cl. 3. Ca should displace Mn. 4. Br should displace Cl.

46. ## Calculus

Consider the planes given by the equations 2y−2x−z=2 x−2y+3z=7 (a) Find a vector v parallel to the line of intersection of the planes. (b)Find the equation of a plane through the origin which is perpendicular to the line of intersection of these two

47. ## physics

A 4.1-m-diameter merry-go-round is initially turning with a 4.2 period. It slows down and stops in 24 . Before slowing, what is the speed of a child on the rim?

48. ## Physics

A variable-length air column is placed just below a vibrating wire that is fixed at the both ends. The length of air column open at one end is gradually increased from zero until the first position of resonance is observed at 20 cm. The wire is 115.4 cm

49. ## Calculus

A closed box is to be rectangular solid with a square base. If the volume is 32in^3, determine the dimensions for which the surface area is minimum.

50. ## physics

the mass density of a mixture of ethyl alcohol and water is 950kg/m^3. is the mixture mostly water, alcohol, or about half and half. What is your reasoning?

51. ## Chemistry

Which of the following compounds are soluble? Choose at least one answer. a. BaSO4 b. K2SO4 c. KBr d. NaOH e. Al(OH)3 I originally thought it was the last four, but it isn't, or it isn't only/all of them. Aren't all sulfates and potassium soluble? What are

52. ## math

the perimeter of an athletic field is 104 meters and the length is 12 meters more than the width find the width and the length.

53. ## math

if you used the rule (6x, 6y) to transform Mug into a new figure, how would the angles of the new figure compare to Mugs angles

54. ## Physics

A loaded truck can accelerate at 4 m/s 2. It loses its load so that it is only 0.1 as massive. By what factor must the acceleration change for the same driving force?

55. ## chemistry

A 25.00 mL solution of potassium nitrate (KNO3) was diluted to 125.0 mL, and 25.00 mL of this solution were then diluted to 1.000 103 mL. The concentration of the final solution is 0.00421 M. Calculate the concentration of the original solution.

56. ## Chemistry

how many grams of ethylene (C2H4) are required for the complete reaction of 31.7 grams of hydrogen gas?

57. ## Math Help!

is 10 000 more than 881 462 is 1000 000 less than 2 183 486 is 1 000 000 more than 746 000 is 1 000 000 less than 624 327 207

58. ## ap

A ruptured tank in Anywhere, USA, spilled hydrochloric acid. Officials were reported to be concerned that the acid might mix with sodium hydroxide (caustic soda) in a neigh- boring tank and form a toxic gas. What toxic gas would be formed by mixing

59. ## Physics

____​2.​An object is thrown vertically upward with a speed of 25 m/s. How much time passes before it comes back down at 15 m/s? (Air resistance is negligible.)

60. ## finance

Your company will generate \$45,000 in cash flow each year for the next nine years from a new information database. The computer system needed to set up the database costs \$260,000. Assume you can borrow the money to buy the computer system at 8.25 percent

61. ## world civilization ( the roman empire)

What political, social, and economic problems beset Rome in the third and fourth centuries c.e.? How did Diocletian and Constantine deal with them? Were they effective in stemming the tide of decline and disintegration in the Roman Empire? What problems

62. ## chemistry

Calculate the molar mass of a non-electrolyte that lowers the freezing point of 25.0 g of water to - 3.9 oC when 4.27 g of the substance is dissolved in the water.

63. ## HEALTH

1)What is a doctor's responsibility if a patient requests restrictions on the use of his or her PHI? a. Since HIPAA doesn't address this issue, the doctor is free to decide on a case-by-case basis. b. The doctor need not comply with the patient's wishes if

64. ## calculus

For what values of x does the graph of f have a horizontal tangent? (Use n as your integer variable. Enter your answers as a comma-separated list.) f(x) = x − 2 sin x

65. ## chemistry

Calculate the mass of solid Na2S2O3•5H2O required to prepare 300. mL of 0.0200 M Na2S2O3

1) of the dolls in mo's doll collection, 1/5 have red hair. of these 3/4 have green eyes. what fraction of Mo's dolls collection have both red hair and green eyes? 2) ( Use measurement conversions) find 1/2 of 1/4 of a gallon. 3) Cheryl is organizing her

67. ## Physics

A length of organ pipe is closed at one end. If the speed of sound is 344 m/s, what length of pipe is needed to obtain a funda- mental frequency of 70 Hz? Answer in units of m.

68. ## Physic

A ball is thrown upward. What is its initial vertical speed? The acceleration of gravity is 9.8 m/s^2 and maximum height is 7.2 m,. Neglect air resistance. Answer in units of m/s

69. ## ap

If aqueous hydrofluoric acid is reacted with sodium hydroxide, which of the following sub- stances are in the net ionic equation? 1. fluoride ion, hydronium ion, and water 2. hydrofluoric acid, sodium ion, hydroxide ion, and fluoride ion 3. hydrofluoric

70. ## education

6. Which of the following statements about the field of child development is correct? A. It’s devoted to understanding human constancy and change over the lifespan. B. It’s part of a larger, interdisciplinary field known as developmental science. C. It

71. ## Phy new

____​2.​An object is thrown vertically upward with a speed of 25 m/s. How much time passes before it comes back down at 15 m/s? (Air resistance is negligible.)

72. ## English III

In Dust Tracks on a Road, what kind of literature did the young Hurston like best that made her think of heroic deeds? B. stories of math geniuses

73. ## ap

Which of the following is best described as an acid-base reaction? 1. NaCl + AgNO3 !NaNO3 + AgCl 2. NH3 + H2O ! NH+ 4 + OH− 3. 2HgO ! 2 Hg + O2 4. Ca + 2H2O ! Ca(OH)2 + H2 5. KCl + NH4NO3 ! KNO3 + NH4Cl

74. ## PHYSICS

WHEN THE BAROMETRIC PRESSURE IS 14.9LBS\IN AND THE PRESSURE GAGE ON A TIRE READS 34.6LBS\IN WHAT IS THE ABSOLUTE PRESSURE INSIDE THE TIRE

75. ## ap

The net ionic equation for ALL aqueous reac-tion of strong acids and strong soluble bases that form soluble salts is 1. the formation of H2O from H+ and OH−. 2. the formation of water and the corresponding salt. 3. the formation of water from the

76. ## Math

Which coins would you use to make \$0.28? Write two ways

77. ## Maths, Ratio

Mrs Rama uses 0.4 liters of water melon juice for every 0.9 liters of apple juice to make a jug of mixed fruit juice. A) Find the ratio of the amount of watermelon juice to the amount of apple juice. B) For every 225 ml of apple juice, how much watermelon

78. ## chem

Which of the following solutions has the highest concentration of Cl- ions? 500 mL of 0.10 M NaCl 100 mL of 0.20 M MgCl2 200 mL of 0.10 M FeCl3 400 mL of 0.30 M NH4Cl 200 mL of 0.20 M KCl

79. ## physics

Bob shoots an arrow straight up into the air at 78.5 m/s. 1)What is the maximum height of the arrows flight? 2)How long is it in the air?

80. ## Science

The densities of the Jovian planets are A. not more than about 0.5 times the density of water. B. not more than about 1.5 times the density of water. C. from 3.9 to 5.5 times the density of water. D. more than 5.5 times the density of water. Reset

81. ## chemistry

A 25.00 mL solution of potassium nitrate (KNO3) was diluted to 125.0 mL, and 25.00 mL of this solution were then diluted to 1.000 103 mL. The concentration of the final solution is 0.00421 M. Calculate the concentration of the original solution.

82. ## Chemistry/Electrochem

Consider a cell at 299K: line notation Fe-Fe2+(1.39)--Cd2+(2.35)-Cd Given the overall standard reduction potential of the cell is -0.038. What will the concentration of the Cd2+ solution be when the cell is dead?

83. ## probability

in a health study, 18% of americans are underweight. If 4 americans are randomly selected, what is the probability that at least one will be underweight?

84. ## Physics

A loaded truck can accelerate at 4 m/s 2. It loses its load so that it is only 0.1 as massive. By what factor must the acceleration change for the same driving force?

I need help on these two questions because i have no clue what to say.... What caused the rise of the feudal system in Japan? More than 100 years after Akbar's death, the Mughal Empire began to fall apart. What were two of the reasons that caused this to

12. Which of the following numbers is an example of an integer? square root of five square root of nine one-third 0.8 13. Which number is equivalent to 4/5? 25/100 0.2 16/100 0.8 14. Riding the bus, Jasmine uses two-thirds of her money for bus fare. What

87. ## math

a an sold a bicycle for an amount which was greater by rs. 988 than half price he paid for it an made a profit of rs. 300 how much did he sell the bicycle for???

88. ## PHYSICS

1.) A bird can fly 20 km/h. How long does it take to fly 12 km? 2.) If you are driving 116 km/h along a straight road and you look to the side for 3.0 s, how far do you travel during this inattentive period?

89. ## french

unscramble the word for a sport ciemesr

90. ## physics

A mass m = 14.0 kg is pulled along a horizontal floor with NO friction for a distance d =8.7 m. Then the mass is pulled up an incline that makes an angle θ = 27.0° with the horizontal and has a coefficient of kinetic friction μk = 0.41. The entire time

91. ## English 4

The 14th century was a time of what? a.peace b.urban growth c.inflation d.upheaval and change

92. ## Accounting

Accounting for a Job-Order Cost System [LO 3, 6, 7, 9] Bob and Beth Ford retired from the food services industry and began catering wedding receptions on a limited basis. The major costs in setting up their business included: linens, \$1,600; two complete

93. ## chemistry

what is the height of the ethyl alcohol that exactly fills a 200.0mL container? the density of ethyl alcohol is 0.789/mL

94. ## physics

Consider again the problem of a car traveling along a banked turn. Sometimes roads have a "reversed" banking angle. That is, the road is tilted "away" from the center of curvature of the road. If the coefficient of static friction between the tires and the

95. ## American History

1. The Articles of Confederation called for which of the following? A. A single legislative body B. A chief executive C. The right of the legislature to assess taxes D. The Northwest Ordinance 2. Jacques Cartier sailed to the New World in 1534 in search of

96. ## Math

Write an equation for a line of best fit for the data in the table below. Sandwich Total Fat Total Cals. Hamburger 9 260 Cheeseburger 13 320 Quarter Pounder 21 420 Quarter w/cheese 30 530

97. ## Maths

Hi, I am working on some Nth problems - can anyone tell me if this is correct :- Nth term sequence is n + 4 are the first three terms 5,6,7, A nth term is 85 - 5n are the first three terms of the sequence 17, 34, 51, A nth term is 2n - 0.5 are the first

98. ## physics

A football is thrown directly toward a receiver with an initial speed of 15.8 m/s at an angle of 17° above the horizontal. At that instant, the receiver is 18 m from the quarterback. In what direction and with what constant speed should the receiver run

99. ## Math

What is the scientific notation for 135,000,000?

100. ## Chemistry

I am trying to figure out how to calculate the reaction rate. In my question the reaction rate is: 1/2x molarity of sodium thiosulfate/reaction time Then I have to compare the rates of runs 1-3 and determine the orders of the reaction. Do I only find the

101. ## geography

Will you please check my answers? 1. What is the capital of South Carolina, the first state to withdraw from the Union before the Civil War? Columbia, South Carolina 2. Which Scandinavian country has the highest overall elevation? Norway 3. What color is

help i am stuck : -8 - 5y = 12 - 9y i got: -8-12 -5y = 12-12 - 9y -20 - 5y = 9y -20 +20 - 5y - 9y im so stuck idont understand this one can you please help me

103. ## AP US History

Here is the question: How consistent were the republican principles applied by Thomas Jefferson and James Madison during their presidencies? How did their policies affect the Federalist Party during Jefferson's and Madison's administrations? Don't be mean

104. ## science

if two carbon atoms are joined by a triple bond how many other atoms can each carbon atom bond with

105. ## math

Order each set of numbers from least to greatest. 0.27,0.56,0.212, 0.563, 0.276, 0.5

106. ## calculus and physics

An explosion causes debris to rise vertically with an initial velocity of 75 ft/sec. a. In how many seconds does it attain maximum height? b. What is the maximum height? c. What is the speed of the debris as it reaches 12 ft on the way back to the ground?

107. ## CHEM

25.0 CM3 OF 0.100M acetic acid is titrated with 0.900M of NaOH. Ka for acetic acid =1.85*10^-5. calculate 1)the intial pH of the solution. 2) the pH of the mixture at 1cm3 before the equivalence point. 3) the pH of the mixture at the equivalence point 4)

108. ## Chemistry/Electrochem

A concentration cell is built based on the following half reaction: Zn(2+) + 2e(-) > Zn E(o)=-0.761 Using two pieces of zinc of electrodes (each 100.0 g), two Zn(2+) solutions, 0.101M and 0.427M (both exactly 1.00 L in volume), and all the other materials

109. ## math

Which property would allow you to use mental computation to simplify the problem 27 + 15 + 3 + 5? 1) commutative property of addition 2) distributive property 3) additive identity 4) additive inverse

111. ## Chemistry/Electrochem

Consider a cell at 255 K: line notation Pb-Pb2+(1.27M)--Fe3+(2.29M)-Fe Given the standard reduction potentials calculate the cell potential after the reaction operated long enough for Fe3+ to have changed by 1.432M? I know that Fe3+ is the cathode which

112. ## college stats

can someone please explain the steps: suppose that the grade point average,denoted by X,of a university student is Normally distributed with the mean 2.786 and standard deviation 0.375 A). a student is on the deans list if her GPA exceeds 3.746. What

113. ## Physics

The length of a string is 344 cm. The string is held fixed at each end. The string vibrates in two sections; i.e., the string has two antin- odes, and the string vibrates at 130 Hz. Find the wavelength answer in m What is the fundamental frequency? Answer

114. ## Biology

How can NaHCO3 function as both the acidic component of the NaHCO3/Na2CO3 buffer system and as the basic compnent of the H2CO3/NaHCO3 buffer system?

115. ## science

if two carbon atoms are joined by a triple bond how many other atoms can each carbon atom bond with

116. ## world civilization . NEED HELP ASAP

What theories have scholars advanced to explain the decline and fall of the Roman Empire? What are the difficulties involved in explaining the fall? What explanation would you give?

117. ## algebra 2

-0.25(6.4x)>120

118. ## English 4

What are 3 common forms Anglo-Saxon literature?

119. ## Math

One band has fewer than 40 speakers. They stack them in an array exactly 9 high. How many speakers could they have? Explain how you know.

What is three-eighths written as a decimal? (1 point) 2.3 repeating 0.375 .3 repeating 2.667

121. ## Physics

Consider the position of a ball thrown down with an initial speed of 17 m/s.What will be its position after 2.6 s? Let the initial position be 0. The acceleration of gravity is 9.8 m/s 2 . Answer in units of m

122. ## Calc

Evaluate the integral using any method: (Integral)sec^3x/tanx dx I started it out and got secx(1tan^2x)/tanx. I know I just have to continue simplifying and finding the integral, but I'm stuck on the next couple of steps. Also, I have another question

123. ## chemistry

Which compound on the left, when dissolved in water, does not produce the corresponding compound(s) on the right? 1. CaO ! Ca(OH)2 2. SO2 ! H2SO4 3. NaH ! NaOH + H2 4. N2O5 ! HNO3 5. Cl2O7 ! HClO4

124. ## calculus

Find an equation of the tangent line to the curve at the given point. y = sec x, (π/3, 2)

125. ## Physics

Pt. 1 Gas in a container is at a pressure of 2.3 atm and a volume of 6.1 m3. What is the work done on the gas if it expands at constant pressure to five times its initial volume? Answer in units of J My wrong answer: 56.12 Pt. 2: What is the work done on

126. ## Algebra

What is the rule in equation form of an input/output table if the inputs are 2 10 and 6 and the outputs are 2 6 and 4 ?

127. ## Physics

The lowest A on a piano has a frequency of 27.5 Hz. Assume: The tension in the A piano wire (of length 0.51 m) is 305 N, and one-half wavelength occupies the wire. What is the mass of m the wire? Answer in units of kg.

128. ## Physics

A mass m1 = 5.0 kg rests on a frictionless table and connected by a massless string to another mass m2 = 5.9 kg. A force of magnitude F = 40.0 N pulls m1 to the left a distance d = 0.77 m. 1)How much work is done by the force F on the two block system?

129. ## Calc 3

If a function of one variable is continuous on an interval and has only one critical number, then a local maximum has to be an absolute maximum. But this is not true for functions of two variables. Show that the function f(x,y)= 3xe^y − x^3 − e^(3y

130. ## math

the perimeter of an athletic field is 104 meters and the length is 12 meters more than the width find the width and the length.

131. ## math

roated beef has 20g of protein and 11g of calcium per serving. serving of mashed potatoes has 2g of protein and 25g of calcium, how many servings of each are needed to supply 29 grams of protein and 61 grams of calcium?

132. ## Math

How do you write 0.013 in expanded notation

133. ## Chemistry

Sulfuric acid, H2SO4, is sold as a 36% aqueous solution. What is this concentration in A. Molality B. Molarity C. The Mole Fraction Please and thank you. :)

134. ## chemistry

how much E is used to heat 500g of iron from 22c to 55c? Cfe=0.451 Jg-1C-1.

135. ## chemistry

I need to determine how many grams of Cesium Iodide following solutes would be needed to make 5.00 102 mL of a 0.300 M solution.

136. ## Statistics

Let X1,...,Xn be a sample from the N(0, sigma^2). 1) Find the method of moment estimator of sigma^2 2) Find the MLE estimator of sigma^2

137. ## Physics

A loaded truck can accelerate at 4 m/s 2. It loses its load so that it is only 0.1 as massive. By what factor must the acceleration change for the same driving force?

138. ## pre-calculus

find the complex zeros of the polynomial function. write F in the factored form. f(X)=x^3-7x^2+20x-24 use the complex zeros to write f in factored form. f(x)= (reduce fractions and simplify roots)

139. ## Spanish

Part 2 Directions: Complete the description of the following people by using the correct form of the verb and translating the adjective. Remember to make it agree in gender and number with the person(s). Example: Elena _______________ (pretty). Response:

140. ## college chemistry

In the derivation of this expression: [ln]/[HIn]A# 2 * A#1,acid/A# 2,basic * A#1 We assumed that the HIn form of the indicator is the only form present in the most acidic solution. Is this a valid assumption? Why or why not? Support your answer by

141. ## Math

At the start, a biologist counts M microbes in a sample. Every day after that, the number of microbes in the sample, is multiplied by some number N. Write the expression for the number of microbes in the sample 1) after day one 2) after day two Use these

142. ## math

there are 15 boys and 18 girls in fifth grade. Find the ratio of boys to girls in fifth grade.(how do I get the answer) can someone show me how to work the problem

143. ## Math. due tomorrow

A female moth lays nearly 150 eggs. In on year there may live up to five generations. Each larva eats about 20mg of wool. Assume that 2/3 of the eggs die and that 50% of the remaining moths are females. Estimate the amount of wool that may be destroyed b

144. ## Physics

Pt. 1 Gas in a container is at a pressure of 2.3 atm and a volume of 6.1 m3. What is the work done on the gas if it expands at constant pressure to five times its initial volume? Answer in units of J My wrong answer: 56.12 Pt. 2: What is the work done on

145. ## Physics

Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is 6.80 m. The stones are thrown with the same speed of 9.05 m/s. Find the location (above

146. ## math

Two friends decide to cycle to a picnic spot the first person cycles 5 and a 1/2 km/hour and 2nd cycles 6 and a3/4 km/hour to make up for being slow the first person starts out two and half hour earlier after how much time and distance will the 2nd person

147. ## Physics

A ball is thrown downward from a balcony that is 19.6m above the ground one kid throws downward at 14.7m/s, at the same time another student throws a ball upward from the balcony at the same speed. what is the difference of the time the balls are in the

148. ## math

i need help with this problem 2x+2y+3z=-1 3x-5y-2z=21 7x+3y+5z=10

149. ## Statistics

3. A researcher is interested in comparing the Christian maturity level of students who volunteer for community service versus those who do not. The researcher assumes that those who perform community service will have higher Christian maturity scores. The

150. ## biology

what statement describes the 1st step of ecological community it is known as? A. reed plants attract dragonflies and mayflies. B. frogs and snakes arive after emergent plants are established. C.climax trees such as ash and beech appear and eventually

151. ## Chemistry

In the derivation of this expression: [ln]/[HIn]A# 2 * A#1,acid/A# 2,basic * A#1 We assumed that the HIn form of the indicator is the only form present in the most acidic solution. Is this a valid assumption? Why or why not? Support your answer by

152. ## AP physics

Lucy is using a programmable treadmill. She inputs a top speed into the treadmill and presses "start." The treadmill accelerates from rest at 0.100 m/s2 until it reaches that speed, after which it stays at that constant speed. Later, when she is getting

153. ## Chemistry

How do I calculate the overall confidence limit and the overall relative confidence limit for the percent chloride? I've found the percent mass of chloride in the unknown to be 60.03 % and the formula we were given uses the mean but I have no mean in this

154. ## math

Roberto and Luisa Barron Lopez each work full time jobs, and Luisa's mother, Carmena, collects a monthly pension of \$628. Between the three of them, their total household income is \$4238 each month. If Luisa earns \$1772, how much does Roberto earn each

155. ## MATH/PHYSICS

1.) A bird can fly 20 km/h. How long does it take to fly 12 km?

156. ## World History

In the question "Why the haitian revolution probably truer to itself than it's French or American counterparts?" Is it referring to how the Haitian revolution stayed truer to their cause in revolution because they gave everyone equal rights, while american

157. ## pre-calculus

form a polynomial f(x) with real coefficients having the given degree and zeros. degree 5; zeros -7; -i;-9+i enter the polynomial. f(x)=a(?)

158. ## Math

Refer to the following chart. Using the equation (body-size factor X height in centimeters = volume of lungs), calculate the difference in the lung volumes of a male athlete who is 62 inches tall and a female athlete who is 56 inches tall. Show your work.

The War of the Roses placed the __________ on the English throne. Lancasterists Tudors Sheffields Bosworths Normans

160. ## Physical science

Why through photosynthesis we mustn't put sodium or potassium hydroxide?? (an experiment for testing the carbon dioxide if it is important for the starch formation)

161. ## College Physics

a 5.63kg ball hangs from a vertical pole by a 2.4 long string. Assume the ball is moving at 4.33m/s in a horizontal circle with the string remaining taut. Calculate the angle that the string makes with the pole.

162. ## physics

A ball is thrown straight up with an initial speed of 30 m/s. How high does it go? Assume the acceleration of gravity is 10 m/s 2 . Answer in units of m

163. ## math

jenny's company has two photocopying machines, one of which is older and slower than the other. In fact, the newer machine can put out four-thirds as many copies as the older machine in the same amount of time. If, while running at the same time, together

164. ## Math

You're friend tells you about a new online music site called ComboAl- bum that lets you choose any 10 songs from their song library for 9:99. ComboAlbum's advertising says their song catalogue is so large there are over 10; 000; 000 diff erent song

165. ## chemistry

In the formula of crystalline CuSO4 I.E.:-CuSO4.5H2O, wHAT DOES THE 5H20 STANDS FOR???

166. ## programming

Daily Life Magazine wants an analysis of the demographic characteristics of its readers. The Marketing Department has collected reader survey records containing the age, gender, marital status, and annual income of readers. Design an application that

A female moth lays nearly 150 eggs. In on year there may live up to five generations. Each larva eats about 20mg of wool. Assume that 2/3 of the eggs die and that 50% of the remaining moths are females. Estimate the amount of wool that may be destroyed b

168. ## Healthcare

Indicate at which point flat-of-the-curve medicine is experienced in the following example (imagine that antibiotics have been prescribed for a given population of 1,000 elderly persons).

169. ## math

A company produces three types of color TVs: Models X, Y and Z. Each model X requires 2 hours of electronic work and 2 hours of assembly work. Each Y model requires 1 hour of electronic work and 3 hours of assembly work. Each model Z requires 3 hours of

170. ## physics/math

If you are driving 116 km/h along a straight road and you look to the side for 3.0 s, how far do you travel during this inattentive period?

171. ## PSYCHOLOGY

what are the apparent symptoms of anxiety in terms of physiological, behavioral, and cognitive indicator? if both a parent and a child experience anxiety in similar situations, how would you account for the influences of heredity, preparedness, and

172. ## educational research

I so overwhelm and lost at the moment. Summarize and complete an annotated bibliography of at least ten (10) scholarly sources that pertain to your research topic. This annotated bibliography should be a minimum of five pages in length, excluding title and

173. ## social studies

what happenswhen its time to launch the hot air balloon

In the book Iliad, was Achilles afraid to die in the Trojan war?

175. ## american history

Was Zbigniew Brzezinski directly involved in continuing the SALT talks or did he try to reverse the policy of detente, during the Carter administration? Those are 2 of the 4 multiple choices given to me to answer the question,but I'm confused because I'm

176. ## Chemistry

254 g of copper sulphate, CuSO4 is dissolved in water to produce 650 ml of solution. Determines the degree of concentration of the solution in mol / L.

177. ## math

A mother is 4 times as old as her son and 5 times as old as her daughter .When the son is three times as old as he is now, the mother's age will be 3 year's more than twice the daughter's age then what are there current ages??

178. ## biology

science has limitation because?

179. ## Break-Even Analysis

Given: Jay Letterman has just (year: 2012) become product manager for Avenir. Avenir is a consumer product with a unit retail price of \$1.00. Retail margins on the product are 33%, while wholesalers take a 12% margin. Avenir and its direct competitors sell

180. ## Physics

1. On a spacecraft, two engines are turned on for 648 s at a moment when the velocity of the craft has x and y components of v0x = 4360 m/s and v0y = 6270 m/s. While the engines are ﬁring the craft undergoes a displacement that has components of x = 4.11

181. ## world history

Can someone help me on this? or give me a link that explains it to me? I have no idea what these things are saying... Read the following five document excerpts, and then write one well-organized paragraph summarizing the reasons many Americans felt pushed

182. ## math

Factor each expression (X+5)^3-(2x+1)^3

183. ## college physics

By immersing a crown in water its volume is 26inc^3=4.2x10^-4m^3. what would its weight be if it were pure gold? What would its weight be if its volume were half gold and half lead?

how many hours dose it take for a rino to run 158,400 feet

185. ## math

Abby takes 6 steps forward, them 2 steps back. If she repeats this pattern, how many steps will she be from where she started after 4 moves? After 5 moves?

186. ## physics

what is the velocity of the jumper at the end of 1.5second? How far does he fall?

188. ## Chem

Which of the following compounds are soluble? Choose at least one answer. a. BaSO4 b. K2SO4 c. KBr d. NaOH e. Al(OH)3 I originally thought it was the last four, but it isn't, or it isn't only/all of them. Aren't all sulfates and potassium soluble? What are

189. ## algebra

What is the rule for this equation. in: 1 2 3 4 5 6 7 8 9 10 out: 1 3 6 10 15 21 28 36 45 55

190. ## PHYSICS

A projectile is fired from the surface of the Earth with a speed of 150 meters per second at an angle of 45 degrees above the horizontal. If the ground is level, what is the maximum height reached by the projectile?

191. ## into to film

Review a film explain how cinematography is used within the scene how does the cinematography inform the setting? How does it inform the characters?

192. ## English

what this question means: how does the point of view affect your interpretation of the events?

193. ## cjs240

Will someone please help me find a website to complete this assignment? Write a 200- to 300-word response in which you explain the court process as it relates to juvenile offenders.

194. ## English

Would "the flight to cancun" be an anecdote or a memoir? Would "a day in Canada" be an anecdote or a memoir?

195. ## Physics

Consider the position of a ball thrown down with an initial speed of 17 m/s.What will be its position after 2.6 s? Let the initial position be 0. The acceleration of gravity is 9.8 m/s 2 . Answer in units of m

196. ## English

In the novel The Lord of the Flies, how do the many themes connect? So far the themes I have discovered have to do with society being built on ethics, fear or fear of the unknown, the loss of innocence, the capability of evil in human nature, and the

197. ## math - integers

The sum of 25 consecutive integers is 1000. What is the smallest integer used as an addendum?

198. ## Physics

A harmonic wave is traveling along a rope. It is observed that the oscillator that gener- ates the wave completes 38.9 in 27.4 s. Also, a given maximum travels 432 cm along the rope in 10.6 s. What is the wavelength? Answer in units of cm.

199. ## Evolutionary Bio

What is Ghost of selection past?

200. ## Math

Expression for the square of one more than a number

201. ## Maths

Find a three digit number so that when the digita of the number Are added together the total is one fifth of the product of the digits

202. ## Math

How can you tell by looking at a graph if it's a linear, quadratic or exponential function?

203. ## Math

Two sides of a triangle measure 14 and 10. If A is the set of possible lengths for the third side, how many elements of A are integers? Is the correct answer 19 elements of A are integers?

204. ## Calculus

Find the value of c where the line l tangent to the graph of y=2.5*5^x at (0,2.5) intersects the x-axis

205. ## Math

A large company has a private computer network connecting 300 different sites. Each site is connected to the network independently with a switch that fails with probability 1% on any given day. 1. What is the probability that exactly two of 300 sites lose

206. ## english

Early that day the weather turned and the snow was melting into dirty water. Streaks of it ran down from the little shoulder-high window that faced the backyard. Cars slushed by on the street outside, where it was getting dark. But it was getting dark on

207. ## Calculus

Find the value of c where the line l tangent to the graph of y=2.5*5^x at (0,2.5) intersects the x-axis

208. ## math

teemu's t-shirts designs and manufactures t-shirts for a \$15 flat design rate and \$7.50 for each t-shirt.he wants to sell his t-shirts to the senior class for their graduation party. he is going to charge them \$10 for each t-shirt. write a function,c,

209. ## Grammar

Does the sentence make sense: Sweat formed on the palms of my hands.

210. ## Geometry

True or False: If a ray bisects an angle of a triangle, then it also bisects the side opposite the angle. If a plane intersects a cylinder, then the intersection must be a circle. I think the first one is true and the second one is false.

211. ## Dr. Bob, help please

does the density of an element have anything to do with the number of elections? i have to work with a partner and his reasoning is this: "the higher the atomic number, the greater the density because the atomic number is made up of protons so the more

212. ## math

the hardware store is 5 blocks east of john's house. sean lives 3 blocks west of the bank, which is 4 blocks south and 2 blocks west of the hardware store. how many blocks and in what direction is sean's house from john's house?

Select a company of your choice in a sector that you would like to work in. Imagine that you have to make a brief presentation on this company to business school students. Develop:-a) A general and specific statement of purpose.b) The key idea.c) Your

214. ## Maths

A sum of money is shared between Alice, Gayah and Sita in the ratio 3:2:4. If Gayah receives \$4287.50, how much money do Alice and Sita receive altogether?

215. ## math

One of the following functions is neither odd nor even. Which one? x^5 + 3x 6x^2 – |x^2| + 3 x^9 + 3x^7 + 6x (my answer)x^2 + 3x + 3 + |x –3| This is really tricky pre-calc graphing problem. Thanks for the help!

216. ## Chemistry

Would Tin(II) Fluoride be SnF^2? Im so confused!

217. ## Math

Write the number that is 2 tens more than 53.

218. ## languagae

what is the subject noun for Jack fell down the hill

219. ## math

solve the following inequality. write your solution in interval notation x^3-49x

220. ## Chemistry

Please describe how you would approximately 0.050 M standard solution of NaCl by dissolving the appropriate amount of the salt in a 250 mL volumetric flask. Thank you!

221. ## chemistry

A 31.0 mL solution of 0.155 M iron (III) perchlorate is prepared. This solution is then titrated with 27.1 mL of 0.250 M potassium hydroxide. What is the concentration of iron (III) perchlorate that remains in the solution?

222. ## calculus and physics

An explosion causes debris to rise vertically with an initial velocity of 75 ft/sec. a. In how many seconds does it attain maximum height? b. What is the maximum height? c. What is the speed of the debris as it reaches 12 ft on the way back to the ground?

223. ## Physics

A crate with a mass of 50 kg has a coefficient of static friction with the floor of 0.8 and a coefficient of kinetic friction of 0.25. If it is pushed with a force of 425 N, how long will it take to move it across a 65 meter horizontal floor?

224. ## Math

Create an addition word problem and a subtraction word problem using fractions. Show how to find the solution to each problem. Once you find the solutions to your problems, rewrite the solutions as either a terminating or nonterminating decimal.

225. ## phi

Karl Popper advocates, as a more efficient way to examine a scientific hypothesis, which of the following?

226. ## math

what is 750 pounds equal to in tons please show your work because i need help!!!!

227. ## language arts

Hi..need help determining whether the verb in this sentence is transitive for intransitive. "We arrived late for the movie." Thanks..

228. ## governement

citizens of a place?

230. ## chemistry ----------- chemistry

on the atomic level , how are physical changes and chemical changes different ?

231. ## Math

Two sides of a triangle measure 14 and 10. If A is the set of possible lengths for the third side, how many elements of A are integers? Is the correct answer 19 elements of A are integers?

232. ## physics

A compact disc spins at 2.7 revolutions per second. An ant is walking on the CD and finds that it just begins to slide off the CD when it reaches a point 2.8 cm from the CD's center.

233. ## math

How many equal groups of 24? what info do I need

234. ## math

the high of a trapezoid is 10ft the upper base is 6ft shorter then the lower base if the area of the trapezoid is 50 square ft how long is the upper and lower base?

235. ## english

how to make a sentence with the word puerto escondido ?

THINK OF ALL THE WAYS TO BREAK 10 X 6?

237. ## math

use the orden of operation and the digit 4 four time to write problems that have the following answers 44

238. ## English

I had to write a paragraph about a personal experience of mine with no passive verbs. When I submitted mine my teacher told me it was almost correct but not right yet. Could you tell me a list of passive verbs?

239. ## sew

what is easing definition of easing

240. ## AP PYHSICS

A projectile is fired from the surface of the Earth with a speed of 150 meters per second at an angle of 45 degrees above the horizontal. If the ground is level, what is the maximum height reached by the projectile?

sam buys a \$10,000.00 teasury bill at 5 1/2% what is the effective ratr?

242. ## english

spelling rule V exercise: Which word is out of the place in each line? and why? a. equipped, preferred, controlled, committed, committee b. tonnage, stoppage, occurrence, recurrence, deferred, acquittal c. deterrent, different, installment, recurrent,

243. ## Science

May you please list some pigs found in the caribbean. Thank you

244. ## Statistics

. Payne (2001) gave participants a computerized task in which they first see a face and then a picture of either a gun or a tool. The task was to press one button if it was a tool and a different one if it was a gun. Unknown to the participants while they

245. ## Earth Science

How energy flows through the Earth's system?

247. ## algebra

3x^3+x^2-12x-4=0

248. ## Math

An amount of \$2,500.00 is depsoisted in a bank paing an annual interest rate of 5.3% coumpounded quaterly. Find the balance after 3 years

249. ## math

teemu's t-shirts designs and manufactures t-shirts for a \$15 flat design rate and \$7.50 for each t-shirt.he wants to sell his t-shirts to the senior class for their graduation party. he is going to charge them \$10 for each t-shirt. a) write a function,c,

250. ## PHI 103

construct an argument that supports Mary's decision to steal the food or an argument that shows why Mary should not steal the food.

251. ## History

William Shakespeare recorded early English History as a historian for the Tudor line True False

252. ## Math

The zoo needs 1436 pounds of hay each week to feed the animals. Hay costs \$2.00 per pound. About how much does the zoo spend on hay each week? What am I supposed to do?

253. ## DEBATE

How would you present a uniqueness, link,or impact in a policy debate? Someone told me that during the cross examination period. You are supposed to ask a question and once receive the answer you are given permission to add the link but, i forgot how the

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256. ## psychology

1. I am using a measure of optimism in a research study. Describe two things you need to know to be sure that I have a reliable and valid measure of the construct of "optimism." 2. Describe evidence for one situational factor that has been shown to cause

257. ## physical science

determine how many millimeters of soft drink in a 2-L bottle and how many are in a sixpack of soda cans.Also express each answer in liters.

258. ## social studies

on what terms did BC enter confederation?

259. ## math

the perimeter of an athletic field is 104 meters and the length is 12 meters more than the width find the width and the length.

260. ## Math

Determine if the ordered pair is a solution to the system. -5x - 7y= 4 y= 1/2 x - 1 a. (2,2) b. (2, -2)

261. ## science

what are the four biogeochemical?

262. ## chemisry

compare and contrast the abilities of carbon, sodium, and neon to form chemical bonds?????

263. ## American Government -

In most States, the right to vote was originally denied to all but which one of the following groups?

264. ## English

An example of back-formation is

266. ## English

An example of back-formation is

267. ## intermediate algebra

Y varies directly with square root of X. Y=3 when X=4. find Y when X=1

268. ## Geometry

True or False: If a ray bisects an angle of a triangle, then it also bisects the side opposite the angle. If a plane intersects a cylinder, then the intersection must be a circle. I think the first one is true and the second one is false.

269. ## language art

sentences that are long show how toshorten sentence

270. ## chemistry

How would you separate a mixture of equal amount of dibenalacetone a neutral compound and benzoic acid an acidic compound?

271. ## math

How long is the strip of wood shwan wants to buy

272. ## Math

A vendor sold 1/3 of his fish balls in the afternoon and 2/5 of the remainder in the evening. If he had 150 fish balls left, find the number of fish balls he had at first?

273. ## algebra

Explain the process for finding the equation for a line of best fit from a data table and evaluate whether it is possible to have 2 correct answers.

274. ## precalc graph

If it says to identify 5 critical points what would that be?

so is it okay if you explain to me why we multiply first and then divide???

276. ## genetics

In a village with 4300 people, 1 in 90 males has a condition called 5-ARD that causes men to be pseudo-hermaphroditic. What is the frequency of autosomal recessive 5-ARD allele in this village, assuming Hardy-Weinberg equilibrium?

277. ## language arts

In the sentence "You can get supplies from the stationary store." I know the prepositional phrase is from the stationary store and the preposition is from. Would the object of the preposition be just store or would it be stationary store? Thanks...

279. ## pre-calculus

find a bound on the real zeros of the polynomial functions. f(x)=x^4+7x^3-x-2 every real zero of f lies between - ? and ?

280. ## algebra

400 Learners attended High School of the future for 4 days this past week. If 7 students were caught violating the uniform policy, what percentage was the overall compliance for the entire week???

281. ## Math

Sorry guys but I cant seem to figure this out can you help me:) Billy has 7 pears and Sally has 4 pears . They have 11 pears all together Hannah takes 1 pear from Billy and 1 pear from Sally . How many pears do they have all together now?

282. ## government

set of land boundaries of a state?

283. ## History

The responsibility of compiling the data from the Domesday Survey fell to The Norman King the shire tenant in chief the office of the Exchequer the local sheriff none of the above

284. ## old forge math

write an inequality to show the following. 4.90 was spent. there is still over 60\$

y/10-25=75

286. ## math

there are 5 people.Each person has 1 hat.How many are in all.4

287. ## Healthcare Management

Whay is the role and duties of an healthacre manager?

288. ## introduction to ethics

Virtue ethics regards which of these as virtues? (Points : 1) power envy temperance inconsistency

289. ## HCR210

How might a novice confuse the following advance directives within the Patient Self-Determination Act when distinguishing information as administrative or clinical? Here is my answer please tell me what you think.... administrative data includes

290. ## math

two numbers differ by 11 and 1/3rd of the greater exceeds 1/4th of the other by 7 . find the number ???

7(4 - t) = -84 i got: 28 - 7t = -84 -28 = -28 7t = -112 ----- ----- 7 = 7 t = -16 is this right : -16

292. ## math

what is the prime factorization of 62

293. ## language arts

Hi..need help with this question. Tim is moving to a new house. The words is moving can also be called a a. verb phrase b. prepositional phrase c. linking verb d. main verb Thanks..

294. ## precalc

how to graph y=5sin[3[2-pi/6]]+2

295. ## Science

what happens when we apply force below the centre of mass of a cube ? Will it tip?

296. ## psychology

Albert Ellis depicts the relationship between irrational belief and negative emotions through use of: A. A contingency contract B. dialectical theory C. The abc model D. Observational learning

297. ## ela

what is the word that describe sad and angry together

298. ## Social Studies

Whose marriage transferred large amounts of French lands to the English king and essentially made the King of England a vassal to the French King? (1 point) Richard I & Lady MacBeth Edward the Confessor & Diana of Wales William the Conqueror & Margorie of

299. ## math

my paper says to divide two fractions by 1/2 to find out which one is biger, I forgot exactly how to do that, could you remind me?

300. ## math

my paper says to divide two fractions by 1/2 to find out which one is biger, I forgot exactly how to do that, could you remind me?

301. ## language arts

Would the sentence, "Sprinkle the colored sugar on top of the frosting." have 2 prepositional phrases....on top and of the frosting? Or would on top not be one? I know for sure of the frosting is one. Thanks...

302. ## math

sorry i remembered the ? now you don't need to answer anymore.

303. ## Calculus

determine the point(s)at which the graph of y^4 = y^2 -x^2 has a horizontal tangent.

304. ## math

Factor each expression (X+5)^3-(2x+1)^3

305. ## fransis xavier anglo indian

how do you describe the night

306. ## homework help

compare and contrast the abilities of carbon, sodium, and neon to form chemical bonds?????

307. ## math

mutiplaction 3 digit by 2 digit numbers

308. ## maths

what is prime factorization of 58

309. ## check my precalc

#1. solve x^2-120 I got (-infinity, -4) U (5,infinity) #3 what is the domain of this function? f(x)= squre root of (x-3x^2) i got [-1/3,0] thanks!!!

310. ## math

prime factorazation of 34

311. ## english

use words 9-15 in a creative story. can you please help me!! besiege ephemeral altruism carrion erotic amorphous opulent I KNOW WHAT THEY MEAN I JUST NEED HELP FIGURING OUT HOW TO USE THEM IN A STORY

312. ## Science

Calculate the molarity of a solution formed using 55.4 g of AgNO3 in enough water to form 250 ml of solution.

313. ## Algebra 2

Explain what the notation f(4)=100 means? We could also say that when x=___, y=___?

314. ## fransis xavier anglo indian

how do we know that the bicycle is moving fast