Questions Asked onFebruary 9, 2012

1. Chemistry

Which of the following solutions will have a higher boiling point? A. 1m C6H12O6 B. 1m NaCl C. 1m MgCl2 D. 1m AlCl3 And pls explain why it is. Thank you so much!!

2. algebra

Sarah blends coffee for Tasti-Delight. She needs to prepare 170 lbs of blended coffee beans selling for \$3.59 per pound. She plans to do this by blending together a high-quality bean costing \$5.00 per pound and a cheaper bean at \$2.00 per pound. To the

3. Chemistry

1.9 mol HCl and 3.8 mol NaOH react according to the equation HCl + NaOH −→ NaCl + H2O . Calculate the amount in moles of NaCl formed. Answer in units of mol

4. Chemistry

Consider the following hypothetical aqueous reaction: A (aq)-->B(aq)}. A flask is charged with 0.065 (mole) of A in a total volume of 100.0 (mL}. The following data are collected: Time (min) 0 10 20 30 40 Moles of A .065 .051 .042 .035 .031 Calculate the

5. College Calculus

Find the volume of the solid with given base and cross sections. The base is the unit circle x^2+y^2=1 and the cross sections perpendicular to the x-axis are triangles whose height and base are equal.

6. Math

The hourly operating cost of an airplane, which seats up to 405 passengers, is estimated to be \$5,500. If an airline charges each passenger a fare of \$100 per hour of flight, find the hourly profit P it earns operating the airplane as a function of the

7. math

On her last credit card bill, Linda paid a variable rate of 1.8 percent on the first \$200 and 1.2 percent on any amount over \$200. How much did she pay if her unpaid balance was \$256?

8. math

Alex bought a new easy chair for \$399. She bought it on the "12 months is the same as cash" plan. The contract stated that if not paid in 12 months, she would be assessed 14 percent APR, dated from the first day of sale. If she pays it off on the

9. Physics

A monochromatic light source used in a diffraction experiment has a wavelength of 4.60 x 10- 7 m. (a) What is the frequency of this light? When you input large numbers such as those in this problem, then input the numbers with parenthesis so as to obtain

10. physics

Two identical small spheres possessing charges q1 and q2 are separated by distance r. Which change would produce the greatest increase in the magnitude of the electrostatic force that one sphere exerts on the other? 1) doubling charge q1 2) doubling r 3)

11. Algebra

The backyard of a house is in the shape of a triangle. The longest side is 4 ft shorter than twice the shortest side. The third side is 4 ft less than the longest side. If the perimeter of the yard is 162 ft, what are the lengths of the sides?

12. Chemistry

A compressed gas cylinder contains 1.00 103 g of argon gas. The pressure inside the cylinder is 2096 psi (pounds per square inch) at a temperature of 19°C. How much gas remains in the cylinder if the pressure is decreased to 656 psi at a temperature of

13. Spanish

What do they like? Ask these people what they like using the words from the box. - los huevos - el cafe -el jugo de naranja -el yogur -la leche -las uvas modelo: Ernesto: Te gusta el yogur? My answers.... 1. Lucia y Augusto: Les gusta los huevos? 2. Senora

14. economics

Suppose that there are three beachfront parcels of land available for sale in Asilomar and six people who would each like to purchase one parcel. Assume that the parcels are essentially identical and that the minimum selling price of each is \$600,000. The

15. math

On his last credit card bill, Frank paid a variable finance rate of 1.5 percent on the first \$500, and one percent on any amount above \$500. How much did he pay if the unpaid balance was \$741.23?

16. Algebra

Kristen wants to make 7.5 ounces of a 25% jasmine essential oil. She only has a 15% jasmine mixture and a 30% jasmine mixture available. How much of each mixture should she combine to create the desired oil?

17. math

ABCD is a rectangle, if AC is 2(x-3) and BD is X+5 what are the lengths of the diagnoals? a. 2,2 b. 11,11 c. -3,-3 d. 16,16

18. Physics

15 At a particular location and time, sunlight is measured on a 1 m2 solar collector with an intensity of 500.0 W. If the peak intensity of this sunlight has a wavelength of 5.60 x 10-7 m, (a) What is the frequency of this light? When you input large

19. accounting

P4-2A The adjusted trial balance columns of the worksheet for Porter Company are as follows. PORTER COMPANY Worksheet For the Year Ended December 31, 2008 Adjusted Account Trial Balance No. Account Titles Dr. Cr. 101 Cash 18,800 112 Accounts Receivable

20. Chemistry

When 0.100 mol of CaCO3 (s) and 0.100 mol of CaO (s) are placed in an evacuated container with a volume of 10.0-L and heated to 385 K, PCO2 = 0.220 atm after equilibrium is established: CaCO3(s) ⇌ CaO (s) + CO 2 (g) An additional 0.300 atm of CO2 (g) is

21. Chemistry

A piece of solid carbon dioxide, with a mass of 6.8 g, is placed in a 4.0 L otherwise empty container at 23°C. a) What is the pressure in the container after all the carbon dioxide vaporizes? b)If 6.8 g solid carbon dioxide were placed in the same

22. Math

The hourly operating cost of an airplane, which seats up to 405 passengers, is estimated to be \$5,500. If an airline charges each passenger a fare of \$100 per hour of flight, find the hourly profit P it earns operating the airplane as a function of the

23. Chemistry

25.0 mL of ethanol (density = 0.789 g/mL) initially at 7.0 degrees celsius is mixed with 35.0 mL of water (density = 1.0 g/mL) initially at 25.3 degrees celsius in an insulated beaker. Assuming that no heat is lost, what is the final temperature of the

24. Physics

If a soprano saxophone is 69 cm long, and the tenor sax plays an octave lower, how long should the tensor sax be?

25. Math

Harold says, to find 6 x 8, I can use the facts for 5 x 4 and 1 x4. Do you agree? Explain

26. Chemistry

The following information is given for ether, C2H5OC2H5, at 1atm: boiling point = 34.6oC Hvap(34.6oC) = 26.5 kJ/mol melting point = -116oC Hfus(-116oC) = 7.27 kJ/mol specific heat liquid = 2.32 J/goC At a pressure of 1 atm, what is H in kJ for the process

27. physics

Calculate the distance traveled in 6.00 s as a given sound moves through (a) water at 25.0ºC in m/s; (b) water at 25.0ºC in ft/s; (c) seawater at 25ºC in m/s; and (d) seawater at 25ºC in ft/s.

28. Math

Gymnast Clothing manufactures expensive hockey jerseys for sale to college bookstores in runs of up to 250. Its cost (in dollars) for a run of x hockey jerseys is C(x) = 2500 + 10x + 0.2^x2(0 ≤ x ≤ 250) Gymnast Clothing sells the jerseys at \$105 each.

29. statistics

If the mean value of the weight of a particular brand of dog food is 20.6 lb and the standard deviation is 1.3, assume a normal distribution and calculate the amount of product produced that falls below the lower specification value of 19.7 lb.

30. maths/physics/biomechanics

At the beginning of a race, a yacht crosses the start line and sails in westerly direction at a speed of 4 m s-1. The current of the sea is flowing at 2 m s-1 towards the north-east. Calculate how far [8 marks] and in what direction (relative to west) [8

31. Chemistry

A piece of solid carbon dioxide, with a mass of 6.8 g, is placed in a 4.0 L otherwise empty container at 23°C. a) What is the pressure in the container after all the carbon dioxide vaporizes? b)If 6.8 g solid carbon dioxide were placed in the same

32. physics

A 1 500-kg car rounds an unbanked curve with a radius of 52 m at a speed of 12 m/s. What minimum coefficient of friction must exist between the road and tires to prevent the car from slipping? (g = 9.8 m/s2)

33. Chemistry

A portable electric water heater transfers 255 watts (W) of power to 5.5 L of water, where 1 W = 1 J/s. How much time (in minutes) will it take for the water heater to heat the 5.5 L of water from 25 degrees celsius to 42 degrees celsius? (Assume that the

34. Physics

While sitting on a tree branch 12m above the ground, you drop a chestnut. When the chestnut has fallen 2.5m, you throw a second chestnut straight down. What initial speed must you give the second chestnut if they are both to reach the ground at the same

35. english

i want to ask what be thematic statement? it say write 2 or 3 sentences that summarize the theme of the story. It should be the central idea of the story that reflects human nature. literary essay format for theme: Paragraph 1 : Thematic statment. write 2

36. Chemistry

What mass of KH2PO4 is needed to prepare 500.0 mL of a 0.067M solution?

37. earth space science

Potassium-40 has a half-life of approximately 1.25 billion years. Approximately how many years will pass before a sample of potassium-40 contains one-sixteenth the original amount of parent isotope?

asked by Potassium-40 has a half-life of approximately 1.25
38. spanish

need to unscramble these letters amiaramtdrs

39. algebra 1

Amanda invested a total of \$3,600 into three separate accounts that pay 5%, 7%, and 9% annual interest. Amanda has four times as much invested in the account that pays 9% as she does in the account that pays 5%. If the total interest for the year is \$282,

40. physics

A small mailbag is released from a helicopter that is descending steadily at 2.20 m/s. How far is it below the helicopter? D= What if the helicopter is rising steadily at 2.20m/s? D=

41. PhysicsIn what direction relative to north must ca

Two canoeists start paddling at the same time and head toward a small island in a lake, as shown in the figure . Canoeist 1 paddles with a speed of 1.60 at an angle of 45 north of east. Canoeist 2 starts on the opposite shore of the lake, a distance of 1.5

42. math

A girl can get to school in 15 minutes if she rides her bike. It takes her 45 minutes if she walks. She travels 10 miles per hour slower when walking. How far does she travel to school?

43. physics/music

Discuss how much the sound is blocked off if you sit behind a large pillar in a concert hall. Is the answer different for treble and for bass? Is the problem alleviated by reflections from the walls?

44. social studies

As a result of the mexican war, the united states a. gained mexican territory b. won \$ million from mexico c. lost california to mexico d. let texas became part of mexico

45. HINDS CC

HOW MANY GRAMS OF N2O ARE FORMED IF 0.46 OF NH4NO3 IS USED IN THE REACTION

46. statistics

A company selling clothes on the internet reports that the package it ships have a median weight of 85 ounces with an IQR of 56 ounces. The company plans to include a sales flyer weighing 2 ounces in each package. what will the new median and IQR BE?

47. chemistry

Arrange the following pure solid elements in order of increasing electrical conductivity: C, Hg, As

48. chemistry

2 solutions of equal amounts in a u-tube are separated by a semipermeable membrane. The level os the (more/less( concentrated will rise. I think the answer is (more) but I'm not sure. What do you think?

49. ap chemistry

for the following, mix the equal volumes of one solution from group I with one solution from group II to achieve the indicated pH. calculate the pH of each solution. Group I: .2M NH4Cl, .2M HCl, .2M C6H5NH3Cl, .2M (C2H5)3NHCl Group II: .2M KOI, .2M NaCN,

50. Chemistry

The reaction 2NO2--->2NO+O2 has the rate constant k= 0.68 m-1s-1. If the initial concentration of NO2 is 9.30×10−2 M, how long it would take for the concentration to decrease to 2.00×10−2 M ? please answer and show the steps

51. chem

Sb2S3(s) + 3 Fe(s) 2 Sb(s) + 3 FeS(s) When 14.7 g Sb2S3 reacts with an excess of Fe, 9.84 g Sb is produced. What is the percent yield of this reaction? %

52. physics

A glass bottle of soda is sealed with a screw cap. The absolute pressure of the carbon dioxide inside the bottle is 1.50 x 105 Pa. Assuming that the top and bottom surfaces of the cap each have an area of 4.20 x 10-4 m2, obtain the magnitude of the force

53. PhysicsIn what direction relative to north must ca

An astronaut on the planet Zircon tosses a rock horizontally with a speed of 6.65 . The rock falls through a vertical distance of 1.50 and lands a horizontal distance of 8.90 from the astronaut. What is the acceleration of gravity on Zircon?

54. physics

A wheel of 40cm radius rotates on a stationary axle. It isuniformly speeded up from rest to a speed of 900 rpm in a time of20s. Find (a) the constant angular acceleration of the wheel and(b) the tangential acceleration of a point of a point on itsrim.

55. Calculus 2

Sketch the region enclosed by y=e^2x, y=e^6x, and x=1. Decide whether to integrate with respect to x or y. Then find the area of the region.

56. physics

A certain projectile is launched with an initial speed Vo. At its highest point its speed is Vo / 6. What was the launch angle?

57. Chemistry

Consider an ideal gas encloesd in a 1.00 L container at an internal pressure of 10.0 atm. Calculate the work, w, if the gas expands against a constant external pressure of 1.00 atm to a final volume of 20.0 L. w = ____ J now calculate the work done if this

58. algebra 1

Sarah blends coffee for Tasti-Delight. She needs to prepare 170 lbs of blended coffee beans selling for \$3.59 per pound. She plans to do this by blending together a high-quality bean costing \$5.00 per pound and a cheaper bean at \$2.00 per pound. To the

59. Physics

The lower frequency limit for human hearing is usually considered to be 20.0 Hz. (a) What is the speed of sound in m/s if the air temperature is 20.0ºC? (b) What is the corresponding wavelength for this frequency?

60. Math-Algebra 2

The surface area of a golf ball is 8.92 in ^2. The surface area of a softball is 53.78 in ^2. Find the ratio of the volumes of a golf ball to a softball. Surface Area = 4π r^2 and Volume = 4/3π r^3 I'm not sure if I did this problem right, but I think

61. physics

Four charges with equal magnitudes of 6.50 x 10-15 C are placed at the corners of a rectangle. The lengths of the sides of the rectangles are 4.07 cm and 5.28 cm. Find the magnitude of the electric field at the center of the rectangle, assuming that three

62. College Algebra

A manufacturer of radios estimates that his daily cost of producing x radios is given by the equation C=350+5x. The equation R=25x represents the revenue in dollars from selling x radios. *Profit function,P(x)=R(x)-C(x),P(x)=20x-350 *How many radios should

63. Physics

A boy throws a ball with an initial speed of 40.0 m/s. The angle of the thrown ball is 33.0° above the horizontal.(Neglect the height of the boy and air resistance.) (a) What is the ball's speed in the horizontal direction just before it hits the ground?

64. Chem Lab

Suggest another possible oxidising agent and reducing agent that can be used to replace potassium permanganate & iron (II) ammonium sulphate haxahydrate in experiment Redox Titration

asked by Wei AZ
65. Physics

Two electrons are fixed 2.99 cm apart. Another electron is shot from infinity and stops midway between the two. What is its initial speed?

66. physics

A copper block with a mass 1.82 kg is given an initial speed of 3.5 m/s on a rough horizontal surface. Because of friction, the block finally comes to rest. Assume that 77.4 % of the initial kinetic energy is absorbed by the block in form of heat, what is

67. math

Draw two different rectangles. Each rectangle should have a perimeter of ten units.

68. physics

Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley as in the figure below. The object m1 is held at rest on the floor, and m2 rests on a fixed incline of θ = 38.0°. The objects are

69. math

how could you use 5 x 6 = 30 to find the product of 6 x 6?

70. Physics

A ball is shot from level ground towards a wall with an angle of 46° above the horizontal. The initial speed of the ball is 37.6 m/s. The ball hits the wall after 0.5 s.

71. Chemistry

How much water, in grams, can be made from 3.59 × 10^24 hydrogen molecules? Answer in units of g

72. Physics

A 1.7 cm thick bar of soap is floating in water, with 1.1 cm of the bar underwater. Bath oil with a density of 890.0 kg/m3 is added and floats on top of the water. How high on the side of the bar will the oil reach when the soap is floating in only the

73. science

A microwave oven has a power requirement of 1264 W. A frozen dinner requires 5.5 min to heat on full power.

74. maths

3. An elastic string hangs from a nail N. When as mass of m grams is attached to its lower end, the elastic is stretched so that its lower length is x cm, as shown in the diagram: N The table shows result of the two experiments: Length (x cm) 43 49 Mass (m

75. Physics

The electric field between the plates of a paper-separated (K = 3.75) capacitor is 9.21 104 V/m. The plates are 2.05 mm apart and the charge on each plate is 0.775 µC. Determine the capacitance of this capacitor.

76. English Home Language

I'm Doing a english speech on propaganda my topic is "Women Should rule the world", can you help write by giving me main points to force on and what to say or make them think about or just write me the speech for me

77. Physics

You hit a tennis ball from just above the ground. It leaves the racket at 15m/s going 10 degrees upward. Does the ball land before reaching the baseline at the other end of the court, 25m away? Yes, It does land within the court. If you struck the ball

78. algebra

Suppose a video store charges nonmembers \$4 to rent each video. A store membership costs \$21 and members pay only \$2.50 to rent each video. How many videos would one need to rent to justify purchasing a membership?

79. math at

Mary has read 1/3 of a 240-page book. How many pages does she still have to read to finish the book? What percent of the book does she still have to read?

80. math for elementry school teacher

Mr. Mathemagician asks you to pick any whole number. Add 10. Multiply the result by 4. Add 200. Divide by 4. Subtract your original number. Mr. Mathemagician says, “You’re final result is 60!” Explain Mr. Mathemagician’s trick?

81. Math Log

How do you find log20, if log2=.301?? Please show work

asked by beyonce knowles
82. analytic geometry

fin the center ,principal axis vertices, sketch the graph of 4x^-y^2 +56 x +2y+195=0

83. Math HELP!!

How many mls of a syrup containing 85% of sucrose should be mixed with 150ml of a 60%sucrose syrup to make a syrup containing 80% sucrose?

84. Math

a rectangular family room has 204 square feet of it takes 1 3/8 yards of material to make one shirt. how many shirts can be made from 16 1/2 yards of material? 1.1 2.3 3.6 4.12 5.24

85. physics

A wheel of 40cm radius rotates on a stationary axle. It isuniformly speeded up from rest to a speed of 900 rpm in a time of20s. Find (a) the constant angular acceleration of the wheel and(b) the tangential acceleration of a point of a point on itsrim.

86. Statistics- Math

Assume that a random sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. n=550 x= 220, 90% confidence The margin of error E = (round to four decimal places)

87. Physics

In black-and-white photography, a photon energy of about 4.00 x 10-19 J is needed to bring about the changes in the silver compounds used in the film. (a) What is the frequency of the light needed to bring about these changes? When you input large numbers

88. management

There are five coordinated flows of production: authority, decision process, ideology, ______________________, and _______________________.

89. Physics

The lob in tennis is an effective tactic when your opponent is near the net. It consists of lofting the ball over his head, forcing him to move quickly away from the net (see the drawing). Suppose that you lob the ball with an initial speed of 16.0 m/s, at

90. Physics

A 1.7 cm thick bar of soap is floating in water, with 1.1 cm of the bar underwater. Bath oil with a density of 890.0 kg/m3 is added and floats on top of the water. How high on the side of the bar will the oil reach when the soap is floating in only the

91. chemistry

1(a) when 25.0ml of 0.500 mol.dm3 H2SO4(AQ) SOLUTION IS added to 0.025dm3 of 1.00 moldm3 KOH SOLUTION , THE TEMPERATURE OF THE REACTION MIXTURE RISES FROM 23.50 CELCIUS TO 30.17 CELCIUS . THE SPECIFIC HEAT CAPACITY AND DENSITY OF WATER 4.20j.g.celcius and

92. algebra 1

If two car are traveling in opposite directions and have average speeds of 45 mph and 55 mph, what equation shows that the cars are 250 miles apart after t hours?

93. physics

A 75.0 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1060 N. If the diver comes to rest 4.9 m below the water's surface, what is the total distance between the diving board and the

94. Physics

A dog running in the +y-direction at 6.6m/s hears its owner call from behind, and 3.0secs later it's running at the same speed in the opposite direction. Compute the dog's change in velocity. Compute its average acceleration.

95. MATHEMATICS_algebra

A man accepts a position at Php9000 a month with the understanding that he will receive an increase of 10% a year computed on the previous years salary. Form an equation that will compute how much he will receive a month after 10 years of service.

96. Chemistry

Time(seconds) 0 200 500 800 1200 1500 [A in Moles] .184 .129 .069 .031 .019 .016 What is the instantaneous rate of the reaction at t= 800 seconds?

97. Math

A bucket contains blue balls and yellow balls. the probability of removing two blue balls without replacement is 2/5 and he probability of removing three blue balls without replacement is 1/5. Why must there be two more blue balls then yellow balls? How

98. Math

You have 33 marbles in total. you have 4 times as many red marbles as green marbles. you have one half as many blue marbles as green marbles. How many blue marbles do you have?

from reading Rip Van Winkle why does Rip go for a walk in the mountains?

100. 6 gr. advanced math

the green watch runs 1 minute fast each hour. the yellow watch runs 2 minutes slow each hour. on wednesday morning the green watch shows 7:20am, while the yellow watch shows 6:20am. at what correct time on tuesday were the watches last set together?

101. physics

The density of ice is 917 kg/m3, and the density of sea water is 1025 kg/m3. A swimming polar bear climbs onto a piece of floating ice that has a volume of 4.41 m3. What is the weight of the heaviest bear that the ice can support without sinking completely

102. science

How could you use the shadow of a lamp post to track the time of day on a sunny day

103. English

I made a last change since our students study only Eglish as a foreign language Impact on pupils: - considerably increasing the students' ability to use English and motivating them to learn other foreign languages .....

104. College Calculus

Odzala National Park in the Congo has a high density of gorillas. Suppose that the radial population density is p(r)=52(1+r^2)^-2 gorillas per square kilometer, where r is the distance from a large grassy clearing with a source of food and water. Calculate

105. Chemistry

Draw the structural formulas of the expected products in the two following hydrolysis reactions. Breakdown of a Lipid reactions are glycerol and 3 fatty acids Draw the structural of the expected products in the two following hydrolysis reactions.

106. Math

Sandra was thinking of a quadrilateral. All 4 sides are the same length and are parallel. There are 4 right angles. Which quadrilateral is she thinking of?

107. physic/math

What happens when ocean waves with (a) wavelength=10m and (b) wavelength=200m encounters a small island of width 100m. Discuss the amount of shelter you will find in each case by taking your small boat to the lee side of the island.

108. finance

Little Books Inc. recently reported \$3.25 million of net income. Its EBIT was \$5.5 million, and its tax rate was 35%. What was its interest expense?

109. chemistry

You have 20.00 mL of a 0.1M aqueous solution of the weak base (CH3)3N (Kb = 7.4x10^-5). This solution will be titrated with 0.100 M HCl. How do you find the pH of this solution before any acid has been added.

110. American Gov't

Which is not an argument in support of hate crimes legislation? 1.)Hate crimes legislation sends a message that the United States does not support bigotry. 2.) Hate crimes legislation ensures that perpetrators of these crimes receive serious punishment. My

111. chemistry

What is the molarity of an aqueous solution containing 43.7 g of glucose (C6H12O6) in 1.1 L of solution?

112. Math

Audrey is thinking of a number. If the number is divided by 3 and added to 12, the result is 29. Of which number is Audrey thinking? A.63 B.54 C.51 D.44 C? Look at the number tiles below 279 Which group of numbers shows all 3-digit numbers that can be made

113. Chemistry

What additional information would be needed to calculate the rate in units of concentration per time?

114. chemistry

Which of the following isotopes possesses a greater number of electrons than it does neutrons? A. 40Ar B. 24Mg2+ C. 34S2− D. 19F− E. 16O2− How do I determine the numbers of protons, neutrons, and electrons of each?

115. physics

Two flat surfaces are exposed to a uniform, horizontal magnetic field of magnitude 0.50 T. When viewed edge-on, the first surface is tilted at an angle of 11° from the horizontal, and a net magnetic flux of 8.20 10-3 Wb passes through it. The same net

116. math

A recipe calls for 1 1/3 cups of flour. Harold has 1/2 cup of flour. How much more flour does Harold need to make the recipe?

Describe how you can use mental math to find the product. 15*25

asked by He Belongs With Me. :/
118. Math

What is the probability that a family with 4 children will have exactly 2 girls and 2 boys?

119. physics

As a moon follows its orbit around a planet, the maximum gravitational force exerted on the moon by the planet exceeds the minimum gravitational force by 9.8%. Find the ratio rmax/rmin, where rmax is the moon's maximum distance from the center of the

120. Chemistry

What volume of 6.00 M nitric acid is needed to prepare 250. mL of 0.750 M nitric acid?

121. chemistry

Calculate the molarity of 2.05 L of a solution containing 1.51 g of dissolved KBr

122. hheeelp

Mr. Mathemagician asks you to pick any whole number. Add 10. Multiply the result by 4. Add 200. Divide by 4. Subtract your original number. Mr. Mathemagician says, “You’re final result is 60!” Explain Mr. Mathemagician’s trick?

123. math

I have to take up math 100 for college can you give me tips on what to study?Im taking up nursing and i was told i need alot of math..

124. physics

An electron is a subatomic particle (m = 9.11 10-31 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +5.21 105 m/s to a final velocity of +2.29 106 m/s while traveling a distance of

125. physics

A billiard ball of mass 0.16 kg has a speed of 1.80 m/s and collides with the side of the billiard table at an angle of 34.6°. For this collision, the coefficient of restitution is 0.841. What is the angle relative to the side (in degrees) at which the

126. math

john brought a new aquarium. How many gallons of water will john need to fill the tank three quarters of the way full? the tank is 12 inches tall and 19.25 long [1 gallon = 231 cubic inches] the tank is square

127. physics

A small mailbag is released from a helicopter that is rising steadily at 2 m/sec. a) how long does it take the mailbag to stop moving? b) how high will the mailbag have risen in the time found in part a? c) how far did the helicopter move in the time found

128. Chemistry

In a constant-pressure calorimeter, 50.0 mL of 0.300 M Ba(OH)2 was added to 50.0 mL of 0.600 M HCl. The reaction caused the temperature of the solution to rise from 24.50 degrees C to 28.59 degrees C. If the solution has the same density and specific heat

129. Intro to Astronomy

The half-life of carbon 14, which is commonly used to date organic materials, is 5700 years. What is the minimum age of sample in which less than 1% of the organic carbon 14 is left?

130. Physics

A hydraulic jack is designed so that when the handle is pushed down 1 m, the piston raising the load moves up 0.015 m. IMA= 66.67 AMA= 26.67 Efficiency= 40% At this efficiency, what is the force required to lift a 5000 N weight?

131. physics

A 84-kg fireman slides down a 4-m pole by applying a frictional force of 416 N against the pole with his hands. If he slides from rest, how fast is he moving once he reaches the ground?

132. physics/music

A partially open window presents an opening 20cm wide. What kind of sounds from outside will go across the room in a well-defined beam? What kind will spread evenly throughout the room? Roughly what frequency marks the boundary between the two cases?

133. math

a cereal maker is currently packaging cereal in cylindrical boxes with a 6" diameter and a height of 10". The cereal maker is considering changing to rectangular boxes. The two boxes need to have the same height to fit on the grocery store shelf and they

in the story rip van winkle describe the great drror in rip's chraracter

135. Calculus

Write the first four nonzero terms and the general term of the Taylor serires for f about x=0. f(x)=2x/(1+x^2) I feel that I'm doing this wrong because finding the derivatives of f(x) look really messy. Can you please show me the steps? Thanks in advance!

136. precalculus

Suppose \$1,000 is compounded quarterly for 4 years. What rate is needed to reach a total of \$2,000? Round to the nearest tenth of a percent. use a=p(1+r/n)^nt

137. Math

Given that AC and AE are common external tangents of circle G and circle D, FE = 15, GF = 3, and AG = 5, which is the length of AC?

138. Physics

Explain why placing your finiger exactly in the middle of a guitar or violin string and pressing it against the neck should give a tone about an octave higher than the open (full length) string. Explain ( in terms of the tension in the string) why you may

139. english

This sentence keep showing up as a error in it. Could you please find the mistake and fix it for me. To obtain a position as an Administrative Assistant which I can use my knowledge and experiences toward the growth of this company.

140. English

I left out this last variation. The participating pupils will take turns informing not only their classmates but pupils from all classes, whether in the project or not, about the activities of the project, as well as their results. Can you consider also

141. HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

I need help on writing a summary and an example of a summary.My teacher said that when your writing a summary,the middle is the 3 supporting details or what happens,the end is what wraps it all up or the conclusion.but what is the beginning? PLEASE, I NEED

142. programming C++

Write a program that reads test scores up to 30 into an array. sentinel will stop when -1 is entered. Write functions that: 1. read the scores into arrays 2. computes the distribution based on whether they are As, Bs and so on 3. find how many students

143. MAth Probability

Determine the probability of each of the following types of poker hands a. Two pairs (two cards of one denomination, two cards of a different denomination, and one card of a denomination other than those two denominations) b. One pair (two cards of one

144. Chemistry

Okay, so I have to find the percent of water in each solution, but it involves different reagents and I'm not sure how to figure it out. Here's one example: Add all together - 4 mL water 2 mL of 0.01 M aqueous NaOH 2 mL acetone 2 mL 0.1 M alkyl halide in

145. Math

Michael is painting a wall that is 16 feet long and 4 feet high. One small can of paint will cover an area of 60 square feet. How many cans of paint will Michael need to paint the wall?

146. English 7 HW Assignment (PLZ read!)

English HW: List the title of one song that includes on example of determination. Include the artists name, and write down the section of lyrics that provide an example of determination. My English teacher said that it could be a love song or a i don't

147. physics

A 2.20 µF capacitor (#1) is charged to 942 V and a 6.41 µF capacitor (#2) is charged to 657 V. These capacitors are then disconnected from their batteries. Next the positive plates are connected to each other and the negative plates are connected to each

148. Physics

The membrane that surrounds a certain type of living cell has a surface area of 2.13 x 10-9 m2 and a thickness of 1.94 x 10-8 m. Assume that the membrane behaves like a parallel plate capacitor and has a dielectric constant of 6.4. (a) If the potential on

149. english - What is true love

i writing another essay but this be about love and i have to write expository essay. i have to write does it exist? or it only based on fantasy? i have to consider cultural and natural(biological) factors. i think true love do exist because romeo and

150. chm

At a certain temperature the concentration of was 0.400 and that of was 0.235 . At equilibrium the concentration of was found to be 0.250 . What is the value of at this temperature?

If you have time to do only a light revision, you should ask yourself all of the following questions, EXCEPT: Are the first and last paragraphs effective? Are numbers correct? (*) Does the design of the document make it easy for readers to get the

compare and contrast rip's life after his long sleep with his earlier life. in rip van winkle

153. physics 231

A 84-kg fireman slides down a 4-m pole by applying a frictional force of 416 N against the pole with his hands. If he slides from rest, how fast is he moving once he reaches the ground?

"an it is a common wish of all henpecked husbands in the neighborood, when life hangs heavy on their hands, that they might have a quieting draft out of Rip Van Winkle's flagon." what might be Irving's purpose in ending the stroy with this statement

155. algebra

there are 22 students in johns class. new reading books cost 7 dollars each.johns classs raised 50 dollars washing cars. if there are 2 teachers in johns class, write and evaluate an expression to show how much more each teacher will have to pay to buy the

156. Math

Xiang needs to carry 60 dictionaries from a table to a bookshelf. Each dictionary weighs about 7 pounds. What information is needed to determinen the greatest number of dictionaries Xiang can carry at one time? A.The greatest weight the table can hold

157. probability

use 3 colors; one color has half probability, every segment is next to a different color; in a circle divided in 8 equal segments

158. Chemistry

Sodium carbonate (kc = 3.67 *10^-3) is a weak base that can react with two moles of water according to the following equilibrium: Na2Co3 (aq) + 2 H2O yields H2CO3 + 2 NaOH if 8.14 mMol of sodium carbonate is dissolved in 100ml of water and allowed to reach

159. Chemistry

Hydrolsis is the oppostie of a dehydration synthesis. A large molecule is broken down into two or mote molecules by the addition of water. Draw the structural formulas of the expected products in the two following hydrolosis reactions HOW DO I DO THIS?

160. Economics

-> In some countries, the role of women is not regarded in the same way as a man. How might this effect production in the country and the consequent effect on standard of living? -> The run up to the 2004 election saw the Liberal Coalition stress its

161. Physics

Hillary stands directly in front of speaker S1 and walks straight away (down on the page) What is the first distance (measured from S1) at which she will hear minimum loudness? Speed of sound is 341 m/s and the frequency of the sound is 496 Hz. The

162. physics

Two point charges, 4.0 µC and -2.0 µC, are placed 4.4 cm apart on the x axis, such that the -2.0 µC charge is at x = 0 and the 4.0 µC charge is at x = 4.4 cm. (a) At what point(s) along the x axis is the electric field zero? (If there is no point where

in rip van winkle why do rip and his wife have such a stormy marriage?

164. Math Lit

One 250mg tablet is made up of chemical A , B, ,C in a ratio 3:2:5. The Pharmacist Has 60mg of chemical B left. How much of Chemical A and C does she need if she uses 60mg of B?

If you were to revise a document three times, which of the following is something you would NOT be looking for in the final revision? You-attitude Positive emphasis Style and tone (*) Layout can you please review my answer i put (*) next to the correct

166. BUS 101

Please check my answers. 1. According to the influential economist Milton Friedman, corporate social responsibility is primarily based on A. meticulous care of the environment. B. making money for shareholders. C. repudiating insider trading. D. making

167. math

Round 129.4 to one significant figure? Round 0.0056 to one significant figure? Please help thanks

168. College Alg

find the intervals on which the function is increasing or decreasing and find any relative minima or maxima. f(x)=0.2x^3-0.2x^2-5x-4

169. maths

(1) What will you devide by 1/4 to get 1/8? (2)what will you devide by 1.8 to get 0.9

170. chemistry

need math on 3. From the balanced Equation (6) and the results from step # 2 calculate the number of moles of acid titrated. (6) is CH3 COOH (aq) NaOH (aq) → Na+(aq) + CH3COO- (aq) + H2O results from #2 is 7.2*10^-3 L

171. chemisrty

volumeof oxygen produced if 130.0g of water is completely decomposed at STP?

asked by mike john
172. Programming

Understanding object-oriented methodologies is often difficult. You already understand that object-oriented analysis and design emulates the way human beings tend to think and conceptualize problems. As an example, consider a typical house in which there

173. math

c^8d^-12 ________ c^-4d^-8

174. math

using 6 as one of the numbers ,writ a fact family with tow facts?

175. Math

The associated exponential model for the value of a deposit after t years is A(t) = 7000(1 + (0.0394/12))^12t. At the start of which year will an investment of \$7,000 made at the beginning of 2007 first exceed \$11,000? (Round your answer the nearest whole

176. geometry

a semicircular glass-top table is placed against a wall. if the straight edge of the table touches the wall at a span of 2 meters, what is the area of top glass?

177. Math

Which of the following is Not true about a square? A.It has 4 right angles B.It has 4 congruent sides C.It has 4 acute sides D.Opposite sides are parallel C? The table shows the height of 3 different mountains Everest=8850 Tacora=5988 Baruntse=7129 Which

178. English

I urgently need to know if this is correct. I want to reply this: I've just read your last email, informing me about our French partner's decision to vary the title of the project. (I suppose the original title was just on biodiversity in water..) As I

179. pre-algebra

One side of a rectangle is 6 in and the other side is x inches. Find the possible value of x if the area must be at least 84 sq inches.

180. math

Determine the exponent that makes each equation true. A. 16^x=1/16 B. 10^x=0.01 pls

181. physics

a boat can sail at 27 m.s in still water. the boat must cross a river that flows at 9 m.s towards the east . if the boat crosses the river by going up stream at an angle of 23 south, what will the size and angle of the resulting velocity be?

182. physical Science

What was the average speed in km/h of a car that travels 400km in 4-5h?

183. Chemistry help please

Hydrolysis of the disaccharide to monosaccharides (maltase) Then the reactions is disacharide and 2 monosaccharides

184. English

The original sentence for 1) was: 1) The preparatory meeting made clear that the idea to make a project is a result of the desire to become a more European school as well as to get to know how those things are approached in other European countries and to

185. algebra

35 in class 7 more girls than boys how manyh girls and how many boys

186. english

I'm writing about Adam and Eve from the bible, and my teacher wants me to say how it relates to hebrew culture. How does it, please help I don't know where to start. thanks

187. geometry

maria wants to cover a wooden cube with carpeting on 4 of its faces. if the cube has an edge of 2ft, how much surface area will maria have to cover?

188. physics

A 2.00kg bullet moving at 600m/s strikes a piece of wood at rest on a frictionless table. The bullet sticks in the wood and the combined mass moves slowly down the table. a.) What is the speed of the combined mass after the collision? b.)What is the change

189. Chemistry

As an environmental chemist, you want to find the Kc for the following reaction: 2 NO2 (g) ⇌ N2 (g) + O2 (g) Kc = ? Use the following data to find the unknown Kc : ½ N2(g) + ½ O2(g) ⇌ NO (g) Kc = 4.8 x 10-10 2 NO2(g) ⇌ 2 NO (g) + O2 (g) Kc = 1.1 x

in rip van winkle why did rip go for a walk in the mountains

191. geometry

On one sunny afternoon, the movie theater casts a shadow of 30 feet. At the same time of day, A tree is casting a shadow of 10 feet. What is the height of the movie theater?

asked by johnny boy
192. chemistry

from Balanced CaCO3+2HCL-CaCL2+H2O+CO2 and 7.2*10^-3 L Calculate moles titrated

193. accounting

Worksheet data for Goode Company are presented in E4-2. Instructions (a) Journalize the closing entries at April 30. (b) Post the closing entries to Income Summary and Retained Earnings. Use T accounts. (c) Prepare a post-closing trial balance at April 30.

194. Physics

A 343-kg boat is sailing 16.2° north of east at a speed of 1.98 m/s. Thirty seconds later, it is sailing 37.5° north of east at a speed of 3.76 m/s. During this time, three forces act on the boat: a 30.3-N force directed 16.2° north of east (due to an

I need to compare and contrast quality management at two organizations in the same industry. One organization must compete in the domestic market and one in the global market. Could you please give me some ideas on two organizations that fall within that

196. College Calculus

Calculate the average over the given interval. f(x)=sin(pi/x)/x^2, [1,2]

197. Algebra

Soybean meal is 14% protein; cornmeal is 7% protein. How many pounds of each should be mixed together in order to get 280-lb mixture that is 10% protein?

a sentence in the story says that a quarrelsome wife may be a blessing what does that mean in rip van winkle

199. Math

room size i s 10ft x 15ft. i want to put tile down and the tile size is 3 inches in all sides. How many tiles do I need?

200. algebra

Kristen wants to make 7.5 ounces of a 25% jasmine essential oil. She only has a 15% jasmine mixture and a 30% jasmine mixture available. How much of each mixture should she combine to create the desired oil?

201. Physics

A silver wire and a platinum wire of the same length have the same resistance. What is the ratio of the diameter of the silver wire to that of the platinum wire.

202. Physics

Jim was told by his grandfather that he buried a time capsule when he was a kid. The grandfather gave the map to Jim and asked him to find it. The map directs Jim to start from the tallest tree in the town. It says the following; "From the tree, walk 13m

203. Math

What multiplication fact can be found by using the arrays for 2 x 9 and 5 x 9?

204. english project

thankyou very much for your help.the noun that I can think of are airconditioner,breeze,celsius,cloud,degrees.And verbs forecast,land, damage, drop, use,should.please see if it is correct.

205. Math Probability

What is the probability that a student applied to THREE OR MORE colleges? with the chart Num. Applied Probability 1 .17 2 or less .29 3 or less .43 4 or less .59 20 or less 1

206. Algebra

An airplane takes off from an airport at 7:00 a.m. traveling at a rate of 350 mi/h. Two hours later, a jet takes off from the same airport following the same flight pattern at 490 mi/h. How long would it take for the two planes to meet each other?

207. History

Analyze the appeal of the Omaha Platform to people who felt that industrialism was too dominant in the economic and social foundation of the United states.

208. chemistry

From the balanced equation for tums and .0072mL calculate no. moles titrated.

209. physics

what is the most suitable shape for a fishing boat? and what kind of engine should the boat use???

210. English

Writeacher, thank you very much! Here are some sentences I varied and I urgently need you to check. I need to clarify those things. Could you please help me express sentence 1? We need to impress the EU to support the project!!! Rationale 1)The preparatory

211. History

What African American was the first to star in a major television show in 1965 called "I Spy"? Bill Cosby?

212. Physics

a) What is the frequency of a photon of UV radiation ( = 2.00 x 10^-7 m)? When you input large numbers such as those in this problem, then input the numbers with parenthesis so as to obtain the correct answer. (b) Calculate the energy of a photon of UV

213. English

I've just read your last email. What if a finished the email I've just posted you now with your proposal. I think it is just perfect! Comparative and cooperative studies on local aquatic biodiversity

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=2+1/x^4,y=2,x=4,x=9; about the x-axis.

215. French

So i have to make a french food for around 20 people. Do you know of any appetizer that I can serve at room temperature, easy to make, and easy to get my hand on the ingredients? thanks

216. engineering science

a boat can sail at 27 m.s in still water. the boat must cross a river that flows at 9 m.s towards the east . if the boat crosses the river by going up stream at an angle of 23 south, what will the size and angle of the resulting velocity be?

217. math

28 boys in band. 7/10 of the students are boys. what fractions of the students in the band are girls

218. Math

How do you find the inverse for the function y=4x+12 ?

219. geometry

sandra walked 9 blocks due east then 12 blocks due south . what is the shortest distance from where she started to where she finished

220. chemistry

how do i find polyatomic ions?

221. math

(3x+4)|(2/3x+1)

222. Biology

What are two ways in which water availability affects the distibution and abundance of species in Australia?

223. GEOMETRY

Angle C and angle D are vertical angles. Conclusion is that angle C and angle D are complementary. What is a counterexample of the conclusion?

224. English

Here is the very last part! I've finished it! My next homework will be on history, literature and grammar again!!!! 1) DISSEMINATION OF THE RESULTS Work stage I - Courses in English and ICT - Evaluation and analysis of activities and attitudes Work stage

225. Mathematics

Can someone explain to me how to solve complex fractions as if I didn't know anything about Algebra? I really need the help, thanks. :) It's not like this is the question of my homework, I just don't understand how to solve complex fractions from the start

226. English

I left out a brief description of the two partners. Feel free to make the appropriate changed. We need the project to be approved! 1) Lycée ... is a general sencondary high school with 920 pupils, which is situated in south Vendée, the least economically

227. Microbiology

Please help me answer this question. Thanks a lots. Some Archaea have ATPases with different H+:ATP ratios. Assumes the delta Gp for ATP synthesis in one such organism is -518 mV. The minumum delta P required to generate ATP with a typical bacterial ATPase

228. physics

There is a +4 microCoulombs (ìC) charge at each of 3 corners of a square (each side 58. mm long). What is the force on +10 microCoulombs (ìC) placed at the center of the square?

229. geometry

You have 17 connecting blocks and you make a rectangular shape one block high. How many ways can you do it?

230. math

I need help with my science project and I am dealing with the heart

231. College Algebra

Find the value of the missing variable P=4s ; s=32

232. physics

An object is to be thrown through a window 3.5 m high a distance 7.5 m away. It is launched at an angle 70 degreesabove the horizontal.

233. English

We have left out a sentence which you said was incomplete. Work stage IV: - Documentation of analyses led in Italy - Evaluation of the activities and attitudes. (Can't we just leave out "attitudes"?

234. Geometry

The Seinfeld's family room measures 19 feet by 30 feet. They are covering the floor with square tiles that measure 1 foot on a side and cost \$0.68. How much will they spend on tile?

235. calculus

c(x)=200+.4x find c(x+1)-c(x)

Many states prohibit their lottery tickets from being sold out of the state, so Pic-A-State would have its agents buy lotter tickets in various states and hold them there; someone in Pennsylvania would buy a claim on the tickets held in the other states.

237. Physics

What is the frequency of the electromagnetic radiation from outer space that reaches the earth with a wavelength of 1 x 105 m, and a velocity of 1 x 105 m/s?

-> In some countries, the role of women is not regarded in the same way as a man. How might this effect production in the country and the consequent effect on standard of living? -> The run up to the 2004 election saw the Liberal Coalition stress its

239. math

The sum of three consecutive multiples of 7 is zero.find the integers

240. Math Help

Yes it was answered previously but I am sorry that I did not follow the pattern. I was told that the answer that I submitted was incorrect. Please help if you can. Thank you so very much. THE PROBLEM READS: A three-digit number increases by 9 if we

241. Math

How do you transform formulas? Please explain what your doing on your work. Ex. 7x=t

242. Math Probability

A math class has 20 students who choose a topic from a list for an essay. How big pool is necessary for the probability of at least one duplicate to drop below fifty percent? I understand it is like the birthday problem, I just do not understand how to

243. math

How many degrees does the minute hand move in from 4oclock to 6 oclock

244. physics

which will reach the bottom first, a hallow cylider or a solid cylider wth the same mass in an inclined plane?

245. English

Writeacher, can you please check this email, as I need to send it right now. Thank you very much. 1) I've just read your last email, informing me about our French partner's decision to vary the title of the project. 2) As I have already told you once, we

246. math

28 boys in band. 7/10 of the students are boys. what fractions of the students in the band are girls

247. math

Triangle ABC has two sides that measure 12 inches and 16 inches. Which could be the measures of the corresponding sides of a triangle that is similar to triangle ABC? 1. 10 in and 14 in 2. 9 in and 12 in 3. 6 in and 10 in 4. 3 in and 8 in

248. statistics

18 young adults you need 108 cups of water and 72 cups of water show how to sclae down this ratio to feed 3 young adults

249. Algebra 1

(x+1/8)(x-9/8)

250. Math pre algebra

3.5 pounds in 4 cubic inches; x pound in 1 cubic inch

251. English

The part on the dissemination of the results consists of a list of things. It is very long, so I’ll post it into separate times. (Please, check if the words are correct and possible). Thank you for all. This is the end of the project. 3) DISSEMINATION OF

252. Public Health

Warnings for an outbreak of an Asian avian virus have been circulating since 1997, although only isolated incidences have occurred since then. Still, reputable scientists are still concerned that this virus could mutate at any time and cause a world-wide

253. Budget

A budget is an objective because it?

254. English

I left out two important things. Hopefully, you can have a look at them. First, the sentence you asked me to vary; 1) The following items will be assessed: the pupils’ attitude towards the European Union, their disposition to mobility and their knowledge

255. Physics

Review Conceptual Example 11 before attempting this problem. An empty capacitor is connected to a 9V battery and charged up. The capacitor is then disconnected from the battery, and a slab of dielectric material (k=3)is inserted between the plates. (a)

256. algebra

A certain disease affects 9 out of every 10,000 Americans. In a city of 4.5 milion people, how many would you expect to have the disease.

257. math

If anyone could answer this it would help me so much. (-36)(-5/-9) - (-20) = What do I do if there are two numbers with parentheses?

258. english

Hi how can I make this sentence sound better? I'm talking about the garden of eden and how it applies to todays world. This can be related to commonly used phrases today such as, “the fork in the road” or the comparison of the imaginary devil and

259. english

diagram follow sentence the children who are in the fifth row will have no homework tonight

During a group meeting when they are each reading a draft of their formal report, Madiha and Anne realize that sometimes they have used the word "there" correctly and sometimes the word should be "their." They use their word processor's "find" feature to

261. English

I left out the following sentences. Thank you. - Documentation of the activities taking place in France - Publication on websites - Preparation of the final report/film Participation: local environmental days Final meeting - Presenting final report and

Which of the following would a spell checker catch as an error? Typing "it's" instead of "its" (*) Typing "received" instead of "received" Typing "accept" instead of "except" Typing "to" instead of "too"

263. math

You want to make a rectangular model one cube high exactly 2 and only 2 ways. How many cubes would you use?

264. English

One last thing. I varied this sentence since we are going to involve students from different third classes.I don't know how to express the second part. Pupils taken from different (or various) tenth classes will be involved in the project since the

265. English

I left out a sentence again, which I had to vary. The schools involved are all situated near natural parks, such as Marais Poitevin in France, Naturpark Schwäbischer Wald in Germany, and the Mogliasso sanctuary (reserve) on the bank of the River Tanaro in

266. CHEMISTRY

What happens to the NH4+ and Cl] ions when they enter the water

267. literary

the theme of metaphor could be summed up by which of the following?

268. math

What is -16 + -8 x -2 -(4-9)= ? I did it and got -72. I want to know if I'm right. I'm so confused with operations. Would you subtract the numbers and add, then multiply?

269. spanish

What does this mean? "Mira y no invitas a comer cupcakes contigo"

A church owned land in rurual area that was used for a recreation area for disabled children. Fire destroyed vegetation in the area, allowing flooding to occur. To protect public safety, the county adopted an ordinance prohibiting any new building in the

271. MATHEMATICS_algebra

X is a point between A(-5,-2) and B(5,13) such that AX:XB = 2:3. Find the coordinates of X.

272. English

Wrieacher, after so many efforts my partners decided to change the title of the project (instead of focusing only on biodiversity they used the sentence: Comparative studies on local biodiversity related to water and learning from each other. I think it's

273. math

Eric has 3 more rocks than Clay. Together they have 35 rocks. How many rocks does each boy have?

274. English

Hello. I'll be grateful for your help. 1)Is it possible to say "next day" instead of "tomorrow", for example: "I'm meeting with him next day."? 2)Is it possible to use "develop" in the meaning "explain", for example:"He will develop the situation later."?

275. Math

Combine like terms. Please help me figure this out. 3p square6 -7q+14p square6

The "Baby Boomers" are nearing retirement age. What affect might this have on the productive capacity of a country's labour force?

277. English

Writeacher, can you please check this email, as I need to send it right now. Thank you very much. 1) I've just read your last email, informing me about our French partner's decision to vary the title of the project. 2) As I have already told you once, we

278. English

Thank you very much!! I’m including the last data. My next post will consist mainly of long lists of things. I checked the spelling myself. Could you please check if the words are appropriate? Thank you. - Natural parks as partners will become aware of

279. English

Here is the part on evaluation + presentation of the German school. Thank you. 1) Presentation of ….. Gymnasium Limes Gymnasium is for the first time involved in a COMENIUS-Project. This project might open the school and its community to a deeper

280. GEOMETRY

Is it true that vertical angles must be oriented north-south?

281. Math

The warehouse manager on a construction site is trying to figure out a rational way to control inventory and has asked for your help. There are a number of parts that have roughly the same characteristics relative to consumption and size (key when

282. Geology

I need help comparing and contrasting rocks and minerals.

283. algebra 1

USING EQUATIONS THAT FACTOR How to turn fifteen more than the square of a number is eight times the number into an equation.

284. science

this is a tough question and I don't get it. It says: What factor causes the difference between weight and mass?

285. English

I think I left out a last part concerning the dissemination of the results. Can you please have a look at it? It is the last! - publication of the project documentation with reports, film and outcomes on the schools' websites and websites of natural parks

286. Math

704,000oz= ______________ T

287. all

Im going to college for rn. i have to take pre req. before entering the nursing program. I received my ged in 2008 can you give me advice to help me improve studying habits so that i can succeed in requirements? The subjects are

how do Dame Van Winkles personality and rips differ

289. math/Calc

g(x)={1+cos(pi/2-x/1) 0 for-2

290. TO WRITEACHER

it didn't help!

291. English

I left out these very last sentences. Preparation of the first meeting -ICT-platform set up - Integration on schools' websites - Regular reports of status quo (evaluation) - SWOT-Monitoring - Press information and information of external partners First

292. Psychology

As a consumer of mental health services, which type of therapy would you prefer if you did not like to talk about your problems? If you were suffering from a phobia? If you had recurring nightmares since childhood? If you wanted to improve your marriage?

293. social studies

what was the speech that william henry harrison gave befor he died of phnemonia?

294. Civics

How have legal codes change and what roles did philosophers play in the development of law in the United States? should moral codes play a role in society?

295. math

What is the value of the 5 in each numeral? 3, 458, 201? 152, 670, 400 61, 250

296. 6th grade science

which particles cannot pass through the cell membrane?

297. math

. If the mean of six values is 59 and five of the values are 42, 76, 59, 51, and 72 find the sixth value.

298. vn

what is the least common multiple of 5 and 1,000 and 8 and 10

299. English

Thank you very much. Here is a paragraph I need to change again plus a part on evaluation. 1)The participating pupils will take turns informing pupils of all classes of students, whether in the project or not, about the activities of the project, as well

300. Africa

Why did Greg mortenson start pennies for peace

301. English

Hello. I'll be grateful for your help. 1)Is the sentence OK: "The terms of the new contract were being discussed exactly when he called" (I mean, is the word "exactly" OK here?) 2)Is the word order correct in the sentence: "The contract at this time is

302. help

Can you please give me study links? For angle sum theory, reflection, rotation,translation,Dilation,Complementary,Supplementary,parrell lines with transversal, vertical, cooresponding,alt,int,alt,ext? Do you have any tricks to remember how to do these?