# Questions Asked onDecember 5, 2012

1. ## Physic

1. Water at a pressure of 3.00 x 10 5th Pa flows through a horizontal pipe at a speed of 1.00 m/s. The pipe narrows to one-fourth its original diameter. What is the speed of the flow in the narrow section? Not sure was successfully posted

1. Write the fraction eight-ninths as a percent. Round to the nearest hundredth of a percent where necessary. (1 point) 88.89% 1.13% 44.44% 66.67% 2. Write the decimal 0.041 as a percent. (1 point) 41% 4.1% 410% 0.41% 3. A study in your town found that 54

Tom buys a shirt for \$22.00 plus 7% sales tax. His cousin buys a shirt for \$18.00 plus 4% sales tax. a. How much do Tom and his cousin pay for the shirts? Show your work. b. Who spent more on tax? (3 points) Is my answer correct: B: Tom's cousin **I

18. In 2000, the circulation of a local newspaper was 3,250. In 2001, its circulation was 3,640. In 2002, the circulation was 4,100. a. Find the percent of increase in the newspaper’s circulation from 2000 to 2001 and from 2001 to 2002. b. Which period

5. ## 7th grade math Ms. Sue last two questions thanks

15. In Store A, a book that regularly sells for \$24.99 is on sale at 15% off. In Store B, the same book regularly sells for \$27.99 and is on sale at 25% off. Which store sells the book for the lower sale price? (1 point) Store A; Store A’s sale price is

6. ## Chem

During surgery, a person receives 4.60 pints of plasma. How many milliliters of plasma were given? (1 quart = 2 pints)

11. The sales tax rate is 6.9%. a. Find the tax paid for a pair of boots with a list price of \$128. b. What is the total cost of the pair of boots? (1 point) \$8.83; \$128.88 \$8.83; \$136.83 \$0.88; \$136.83 \$0.88; \$128.88 12. Doug is a salesperson in a retail

8. ## Chem

a 4.369g sample of metal is placed in a flask. water is added to the flask and the total volume in the flask is read to be 126.4ml. the mass of the water, flask, and metal is 268.5g. if the mass of the flask is 139.3g and the density of water is 1.000g/ml,

9. ## Physics

Water flows at 0.25L/s through a 9.0-m-long garden hose 2.0cm in diameter that is lying flat on the ground.The temperature of the water is 20degC. What is the gauge pressure of the water where it enters the hose? in Pa

16. Find the final balance in an account with \$730 invested at 3% annual simple interest for 4 years. (1 point) \$735.48 \$87.60 \$817.60 \$8,760.00 is the answer 817.60

11. ## AP physics B

A phone cord is 3.26 m long. The cord has a mass of 0.224 kg. A transverse wave pulse is produced by plucking one end of the taut cord. The pulse makes four trips down and back along the cord in 0.865 s. What is the tension in the cord? Answer in units of

12. ## Chemistry

An elemental gas has a mass of 10.3 g. If the volume is 58.4 L and the pressure is 758 torre at a temperature of 2.5 degrees C, what is the gas?

13. ## math

Translate the following statement into an inequality: Five less than a number is at least nine.

14. ## Math help ? confused

The length of the Boston Marathon is 138,435 ft. Each stride, or step, by a particular runner is 3 ft long. Does the number of strides the runner takes fit evenly into the length of the race? I am lost on this question. Can anyone give me a direction? Do I

15. ## Physics

It is well known that bullets and other missiles fired at Superman simply bounce off his chest. Suppose that a gangster sprays Superman's chest with 8 g bullets at the rate of 110 bullets/min, the speed of each bullet being 550 m/s. Suppose too that the

Two pipes of equal length are each open at one end. Each has a fundamental frequency of 715 Hz at 300 K. In one pipe the air temperature is increased to 313 K. If the two pipes are sounded together, what beat frequency results?

17. ## math

Patsy has cheerleading practice on every fourth school day. She wants to be in the school play, but they have practice on every sixth school day. If both started on September 5th, what would be the first date that she has to choose between cheerleading and

18. ## Math

Joseph had 7 1/4 ounces of candy to share with his friends. He gave them 2 4/5 ounces of candy when they came over to play video games. How many ounces of candy does Joseph have left? Explain.

19. ## Physics

The latent heat of vaporization of H2O at body temperature (37°C) is 2.42 x 106 J/kg. To cool the body of a 77.6-kg jogger [average specific heat capacity = 3500 J/(kg C°)] by 2.78 C°, how many kilograms of water in the form of sweat have to be

20. ## chemistry

Methane (CH4) burns in oxygen to produce carbon dioxide and water vapor. The balanced equation is: CH4 + 2 O2 -> CO2 + 2 H2O What volume of carbon dioxide is produced when 3.2 L of oxygen are consumed?

21. ## Physics

In an old house, the heating system uses radiators, which are hollow metal devices through which hot water or steam circulates. In one room the radiator has a dark color (emissitivity = 0.804). It has a temperature of 65.9 oC. The new owner of the house

Lee Holmes deposited \$ 15,000 in a new savings account at 9% interest compounded semiannually, At the beginning of year 4, Lee deposites an additional \$40000 at 9% interest compounded semiannually. At the end of the 6 years what is the balance in Lee;s

23. ## chemistry

Methane (CH4) burns in oxygen to produce carbon dioxide and water vapor. The balanced equation is: CH4 + 2 O2 -> CO2 + 2 H2O What volume of carbon dioxide is produced when 3.2 L of oxygen are consumed?

24. ## History

Why do you think the Muslims were not able to conquer most of that continent??

25. ## English

What type of poem is this ? We found his flag one bitter morning And knew our hopes had come to woe. We had come pursuing glory But ended freezing in the snow. 1. The stanza of the poem offers an example of (1 point) slant rhyme. end rhyme. perfect rhyme.

26. ## Math

Write and solve an equation for the situation. Eight and one-half years ago, Steven was 7 years old. How old is he now?

27. ## Math word problem

Patsy has cheerleading practice on every fourth school day. She wants to be in the school play, but they have practice on every sixth school day. If both started on September 5th, what would be the first date that she has to choose between cheerleading and

28. ## Social studies

Who forced Napoleon Bonaparte to abandon plans for an American empire? (1 point) Toussaint-Louverture Zebulon Pike Aaron Burr Meriwether Lewis

29. ## science

The concentration of hydroxide ions in the antacid, milk of magnesia, is 5.2x10^-4 M. Calculate the concentration of hydronium ions at 25 degrees celcius.

30. ## Chemistry

How will overshooting the end point of an acid-base titration by adding too much base to KHP affect the calculated molarity of the base? I would think you would need to add more KHP, then more base to bring it to the endpoint. So the molarity calculated

In 2000, the circulation of a local newspaper was 3,250. In 2001, its circulation was 3,640. In 2002, the circulation was 4,100. a. Find the percent of increase in the newspaper’s circulation from 2000 to 2001 and from 2001 to 2002. b. Which period had a

How did the location of the Arabian Peninsula help the Muslims conquer territory beyond the Arabian Peninsula?

An equilateral triangle of side 14 centimeters is revolved about an altitude to form a cone. What is the number of cubic centimeters in the volume of the cone? Express your answer to the nearest whole number, without units. I have tried solving this but it

34. ## Science

A radioactive substance is found to register 1000 counts per second on a Geiger counter. Twenty-four hours later it registers 125 counts per second. What is its half-life?

35. ## Math

A carpenter has a wooden stick that is 84 centimeters long. She cuts off 25% from the end of the stick. Then she cuts the remaining stick into 6 equal pieces. What is the length of each piece?

36. ## Math

Two numbers total 43 and have a difference of 21. Find the two numbers

37. ## Organic Chemistry

Use the data below from an electron impact mass spectrum of a pure compound to deduce its structure. Mass Spectrum M/z Relative intensity 66 32 64 100 49 26 29 72 28 83 27 60

38. ## physic

1) A 2 . 3 kg object moving at 7.3 m/s collides inelastically with a 4.0 kg object which is initially at rest. What percentage of the initial kinetic energy of the system is lost during the collision?

39. ## Math

Write and solve an equation for the situation. Eight and one-half years ago, Steven was 7 years old. How old is he now? Explain.

40. ## Physics

a mouse pushes a piece of cheese with a mass of 6.4 g for a distance of 75 cm over the frictionless surface of an air hockey table. He exerts a constant 0.5 N force as he does so. If the cheese starts from rest, what is it's final velocity?

41. ## physics

What pressure difference is required between the ends of a 2.0m long, 1.0mm diameter horizontal tube for 40 degrees Celsius water to flow through it at an average speed of 4.0 m/s ?

42. ## Physics

As the drawing shows, two thin strips of metal are bolted together at one end and have the same temperature. One is steel, and the other is aluminum. The steel strip is 0.062% longer than the aluminum strip. By how much should the temperature of the strips

43. ## History

How might the location of the Arabian peninsula have contributed to the rapid spread of Islam??

44. ## Chemistry

Show that one mole of KCLO3 contains 122.55 grams. 2 KCLO3(s)->2 KCL(s) + 3 O2(g)

45. ## Chemistry

An open-ended mercury manometer is used to measure the pressure exerted by a trapped gas as shown in the figure. Atmospheric pressure is 750. mmHg. What is the pressure (in mmHg or torr) of the trapped gas if h =23 cm? I got 893.462, but that wasn't right.

46. ## Chemistry

Which of the following substances will give an aqueous solution of pH closes to 7 and why? KNO3 NaHCO3 NH4I NH3 NaF Looking through my notes for an hour--can't find this one. Thanks in advance!

47. ## Physics

A soldier is tasked with measuring the muzzle velocity of a new rifle. Knowing the principles of projectile motion, he decides to perform a simple experiment at the indoor firing range. The soldier hangs a target a distance of d = 101 m from the end of the

Tom buys a shirt for \$22.00 plus 7% sales tax. His cousin buys a shirt for \$18.00 plus 4% sales tax. a. How much do Tom and his cousin pay for the shirts? Show your work. b. Who spent more on tax? (3 points) 18. In 2000, the circulation of a local

49. ## math

Write two expressions that show that increasing a quantity by 4% is the same as multiplying that quantity by 1.04.

50. ## Physics

a 2 kg mass and a 3 kg mass are attached to a lightweight cord that passes over a frictionless pully. the hanging masses are left free to move. a. in what direction will the smaller masses move? b.what will be its acceleration

51. ## English

1. The fourth stanza of the poem offers an example of (1 point) slant rhyme. end rhyme. perfect rhyme. internal rhyme.

52. ## Its Social Studies!

How did the location of the Arabian Peninsula help the Muslims conquer territory beyond the Arabian Peninsula?

asked by Olivia: Help me Ms. Sue
53. ## Physical Science- Help Please!

Suppose that you are given a 100 gram sample of a radioactive substance with a half-life of 32 days. How many grams will be left after 192 days?

54. ## math

The jelly junior high school color is made by mixing red oaint and yellow the ratio is 3 to 5 how monch red paint needed to be mix if u have 20 oz of yellow

55. ## Physics

A ball with a radius of 1 centimeter starts rolling down a ramp. The acceleration of the ball is 2 m/s^2. What is the angular speed of the ball after 1 second?

56. ## computers

1. Water at a pressure of 3.00 x 10 5th Pa flows through a horizontal pipe at a speed of 1.00 m/s. The pipe narrows to one-fourth its original diameter. What is the speed of the flow in the narrow section?

57. ## math

The demand function for a certain make of replacement cartridges for a water purifier is given by the following equation where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. p=-0.01x^2-0.3x+20

58. ## Chemistry Help

The molecules of a certain gas sample at 367 K have a root-mean-square (rms) speed of 261 m/s. Calculate the most probable speed and the mass of a molecule.

59. ## physic

An airplane flies due north at 200 km/h relative to the air. There is a wind blowing at 70 km/h to the northeast relative to the ground. What are the plane's speed and direction relative to the ground?

60. ## chemistry

a buffer prepared by mixing equal moles of an acid having Ka=4.5x10^-4 and a salt of its conjugate base has a pH of what?

61. ## Math

Jess is running around a circular track, one lap every 40 seconds. Mackenzie is also running at a constant speed around the same track, but in the opposite direction. They meet every 15 seconds. How many seconds does it take Mackenzie to do one lap?

62. ## Physics

three bugs that are connected by a mass less spider silk are pulled along a frictionless table top. The first bug has a mass of 1.5 g, the second, 2.0 g, and the third, .75 g. The spider pulling them exerts a force of 0.011 N. What is the acceleration of

Patsy has cheerleading practice on every fourth school day. She wants to be in the school play, but they have practice on every sixth school day. If both started on September 5th, what would be the first date that she has to choose between cheerleading and

64. ## Elementary

number sense Edie wanted to subtract 273-188.she began by finding 2-1.what did edie do wrong?

65. ## physics

Particle 1 and particle 2 have masses of m1 = 1.5×10-8 kg and m2 = 6.2×10-8 kg, but they carry the same charge q. The two particles accelerate from rest through the same electric potential difference V and enter the same magnetic field, which has a

66. ## Geometry

Jose wants to put fencing around his rectangular garden. His garden measures 31 feet by 33 feet. The garden has a path around it that is 3 feet wide. How much fencing does Jose need to enclose the garden and path?

67. ## chemistry

the pH of a solution of HIO3 (Ka=1.7x10^-1) and KIO3 is 1.00. what is the molarity of KIO3 if the molarity of HIO3 is 0.025 M?

68. ## Physics

A 64.4-kg skateboarder starts out with a speed of 2.11 m/s. He does 81.6 J of work on himself by pushing with his feet against the ground. In addition, friction does -289 J of work on him. In both cases, the forces doing the work are non-conservative. The

69. ## chemistry

what is the pH of the solution formed when 25 mL of 0.173 M NaOH is added to 35 mL of 0.342 M HCl?

70. ## Physics

A high diver of mass 68.2 kg jumps off a board 10.4 m above the water. The acceleration of gravity is 9.8 m/s2 . If his downward motion is stopped 3.58 s after he enters the water, what average upward force did the water exert on him? I already calculated

71. ## Chemistry

Which ion has larger radius O2- or F 1-?why?

72. ## Math

Find the sum. 5 9/13 + 5 9/13 = ?

73. ## chemistry

a buffer prepared by mixing equal moles of an acid having Ka=4.5x10^-4 and a salt of its conjugate base has a pH of what?

74. ## Chemistry

Diethylamine (C2H5)2NH, is a weak base that ionizes in water,a 0.600 M solution of (C2H5)2NH is 4.65% ionized at 25 degrees Celsius. -Calculate the pH of the solution. -Calculate the Kb for diethylamine.

75. ## math

35 students attended class on monday tuesday 26 students attended what was percent of decrease,show steps to solve

Lee Willis loaned Audrey Chin \$16000 to open Snip Its Hair Salon. After 6 years, Audrey will repay Lee with 8% interest compounded quartly. How much will Lee receive at the end of 6 years?

77. ## Geometry

EF = 3x-16, FG = 2x-7, and EG = 17, find the values of x, EF, and FG

78. ## chemistry

the pH of a solution of HIO3 (Ka=1.7x10^-1) and KIO3 is 1.00. what is the molarity of KIO3 if the molarity of HIO3 is 0.025 M?

79. ## Math

if a number is subtracted from the numerator of 3/5 and the same number is added to the denomminator of 3/5, the result is equivalent to 1. find the number

80. ## Math

Solve the equation using mental math. 6 6/7 = n + 5 3/7 = ?

Fats help maintain your cell membranes. (1 point) True False 12. Your body does not use energy when you sleep. (1 point) True False 13. People with anorexia nervosa eat large amounts of food and then purge. (1 point) True False 14. Your body image is the

82. ## math

Multiple Choice 1. Write the following ratio in simplest form: 32 min : 36 min (1 point) 8 : 9 8 : 36 32 : 9 128 : 144 2. In a sports equipment locker, there are 81 balls and 45 baseball mitts. Write the ratio of balls to baseball mitts in simplest form.

83. ## statistics

Give and interpret the 95% confidence interval for the hours of sleep a student gets. (7,8,4,5,8,10,7,8,5,6,7,4,7,8,9,8,7,6,7,8)

84. ## algebra

What are the coordinates of the point labeled A?

85. ## Math

Tell whose CD collection has the greater ratio of rock CDs to total CDs. Glen has 9 rock CDs, 4classical CDs, and 5 other kind of CDs. Nina has 12 rock CDs, 8 classical CDs, and 7 other kind of CDs.

86. ## Chemistry

Name the following compounds 1. CH3-CH=CH-CH2 l Cl 2. CH3-CH-C=(tripple bond)C-CH3 l CH3 3. Cl Cl l l CH = C-CH3 4. Complete the following reactions and name the products a. CH2-CH=CH3+Cl2>>>> b. CH3-C=C-CH3+Br2 >>> Please help!

87. ## Physics

An object weighing 400.0g in air is immersed in water after being tied to a string connected to a balance. The scale now reads 364.6g. a.) Find the loss of weight(in gram of weight) when completely submersed in water. b.) Find the volume of the object in

88. ## Math

Which customary unit is most reasonable to measure the capacity of a swimming pool?

89. ## chemistry

copper (II) flourine comtains 37.42 % of mass. use this percentage to calculate the mass of flourine in grams contained in 28.5 g of copper (II) flourine

90. ## Algebra

The pressure of a gas varies jointly as the amount of the gas (measured in moles) and the temperature and inversely as the volume of the gas. If the pressure is 975 kPa(kiloPascals) when the number of moles is 4, the temperature is 250 K, and the volume is

91. ## easy chemistry

what is the entropy of 10 molecules in a system of 100 boxes?

92. ## math

The demand function for a certain make of replacement cartridges for a water purifier is given by the following equation where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. p=-0.01x^2-0.3x+20

93. ## math

A board of directors consisting of eight members is to be chosen from a pool of 28 candidates. The board is to have a chairman, a treasurer, a secretary, and five other members. In how many ways can the board of directors be chosen?

94. ## Math

The kindergarten has a box of blocks.Some blocks are red,some yellow and some are blue.1/2 of the blocks are red,1/4 of the blocks are yellow and 24 of the blocks are blue.How many blocks are in the box?

95. ## Determination of ASA Content of Tablets Lab Report

Not asking for answers necesarily but I would to know how to approach each question Mass of pure acetylsalicylic acid (ASA) : .508 g Dilution Absorbance (a.u.) 2:11 .116 4:11 .259 6:11 .392 8:11 .502 10:11 .548 Mass of tablet : .380 g Absorbance read on

96. ## chemistry

The vapor pressure of methanol is 84.0 mm Hg at 27.0°C. The ΔHvapor of methanol is 39.2 kJ/mol and R = 8.31 10-3 kJ/mol·K. Calculate the normal boiling point of methanol in Kelvin.

97. ## chemistry 2

for the reaction 2C2H2(g)=>C6H6(l) at 25 C, the standard enthalpy change is -631 kJ and the standard entropy change is -430 J/K. calculate the standard free energy change at 25 C. show all work Help please!

Black Achievement Award I was nominate for BAA, so I have to complete the application and in the application is says that I have to describe my accomplishments (i have to choose two of the five personal achievements; community, artistic, athletic,

John Roe, an employee of the Gap, loans \$3000 to another employee at the store. He will be repaid at the end of 4 years with interest at 6% compounded quartly. How much will John be repaid?

100. ## physics

2. The speed of light in a certain plastic is 1.88*10^8 m/s. what is the index of refraction of plastic?

101. ## statistics

If 30% of people in an area registered voters and 15 people are selected at ramdom from this area; a. What is the probability thatexactly 3out of the15 people are registered voters? b. What is the probability that at most 3 out of the 15 people are

102. ## physics

The index of refraction of a certain type of glass is 1.58 what is the speed of light in the glass ?

103. ## Chemistry

Water treatment plans must reduce phosphate levels to 3.2 micromoles PO4^3-/L before the water is considered drinkable. If water from Lake A is determined to have a phosphate concentration of 0.419 mg PO4^3-/L, does it meet this allowable standard for

104. ## Chemistry

Concentration 15.8 mg/L Final Volume 100.0 mL What is the concentration of phosphate in the original lake water sample if the unknown lake water sample in the option has been diluted by taking 25.0 mL of lake water and diluting it to the indicated final

A mouse pushes a piece of cheese with a mass of 6.4 g for a distance of 75 cm over a frictionless surface. He exerts a constant 0.5 N force as he does so. If the cheese starts from rest, what is it's final velocity?

106. ## Math

A quiz had some 3-point and some 4-point questions. A perfect score was 100 points. Find out how many questions were of each type if there were a total of 31 questions on the quiz I have no clue how to start this.

107. ## Math

At a museum child admission was \$5.50 and adult admission is \$9 on Monday twice as many adult tickets as child tickets were sold for a total sale of \$611.00 how many child tickets were sold that day?

108. ## chemistry

what is the pH of the solution formed when 25 mL of 0.173 M NaOH is added to 35 mL of 0.342 M HCl?

109. ## Physics

A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 300 N applied to its edge causes the wheel to have an angular acceleration of 1.072 rad/s2. (a)

110. ## physics

Sally has a mass of 58.0 kg and Earth has a mass of 5.98 1024 kg. The radius of Earth is 6.371 106 m. What is the force of gravitational attraction between Sally and Earth? What is Sally's weight?

111. ## Chemistry

How many mL of concentrated HNO3 (conc. HNO3 is 16 Molar)will be needed to make 1.25 Liters of 9 Molar HNO3?

112. ## Physics

A mouse pushes a piece of cheese with a mass of 6.4 g for a distance of 75 cm over a frictionless surface. He exerts a constant 0.5 N force as he does so. If the cheese starts from rest, what is it's final velocity? there is no time or speed givin, which

113. ## Physics

What power is needed to lift a 358 crate of bricks from the ground to the top of a 25.0 -high building in 1 minute?

114. ## math

The management of the Titan Tire Company has determined that the quantity demanded x of their Super Titan tires/week is related to the unit price p by the relation p = 102 − x^2 where p is measured in dollars and x is measured in units of a thousand.

115. ## Political science

The laffer curve is a theory that says? A) if you raise taxes too high, revenue decreases because people won't work B) if you stimulate the economy with low interest rates, the economy speeds up C) if you stimulate the economy with low interest rates, the

116. ## maths --urgenttttttttttttttttttttt

find p & q, if the equation px^2 -8xy+3y^2 +14x+2y+x=0 represent a pair of perpendicular lines.

117. ## Calculus

Set up a Riemann sum to estimate the area under the graph of f(x) = 5x 2 + 2 between x = 0 and x = 1 using 3 subdivisions and left endpoints. Draw the graph and the 3 rectangles

118. ## physics coulombs law

a negative charge 5.0 X 10^-4 C exerts a repulstio force of 7.0 N .on second charge away 0.05 m away. what is the sign and magnitude of the second charge

119. ## Child Care

Research suggest that every youngster should receive emotional support from at least three... a)legal guardians b)nonparental adults c)peers d)school friends I'm really stuck on this one.

120. ## Calculus

Use n = 6 subdivisions and left endpoints to estimate the area under the graph of f(x) = 2x + 1 between x = 0 and x = 3.

121. ## US History

List 3 responsibilities that we have as American citizens? 1) Citizens must VOTE 2) Citizens must obey the laws 3) Citizens must________ i don't know what is the third one please help!!!!

122. ## Marine Park

what customary unit is most reasonable to measure the capacity of a Bathtub, A drinking glass, A swimming Pool, and a cereal bowl.

123. ## butterflies

How long does it take to finish the butterfly life cycle like from a butterfly egg to a butterfly?

124. ## Algebra

-Alfonso can write 100 practice problems for the math team in 20 hours, Beauregard can write the same number of problems in 30 hours, and Clyde can write the number of problems in 40 hours. Working together, at what time will the three of them finish

125. ## math

write a number and a fraction greater than 1 that name the part filled

126. ## math

Twenty-four less than three times x is equal to the product of five and x.Find x.solve show steps to solve

127. ## chemisty

NaOH + HCl -> NaCl + H2O What is the molarity of a NaOH solution that required 31.6mL to neutralize 25.0mL of a 0.145 M HCl solution?

128. ## Algebra

A manager has \$1170 made up of twenties and fifties. The total is 36 bills. How many fifty-dollar bills does the manager have?

129. ## Physics

Figure 18-46 shows a hydraulic lift operated by pumping fluid into the hydraulic system. The large cylinder is 40 cm in diameter, while the small tube leaving the pump is 1.7 cm in diameter. A total load of 2500 kg is raised 2.2 m at a constant rate.

130. ## Chem 1

How can you prepare 2M of 200 ml HNO3 solution from 63% stock solution of HNO3 which has a density of 1.4 g/ml?

131. ## physics

8. a light beam enters a piece of window glass (n=1.47) at an incidence angle of 59. Find the angle it makes to the normal as it exists from the other side of the flat window glass. What general rule can you conclude?

132. ## Math

For nine months of the year farmers tended their crops. What fraction of a year did they farm? Reduce the fraction to its lowest terms.

133. ## Math

Find the sum. 3 3/15 + 4 2/5 = ?

134. ## Math

Find the difference. 6 - 3 1/4 = ?

135. ## Calculus

Given the function y=(x^2-5/x+3), answer the following questions. a) Find dy/dx. Simplify your answer b) Find the coordinates of any points on the graph of y where the tangent line is horizontal. Show your work. c) Are there any points on the graph of y

136. ## Chemistry

A solution is made by dissolving 18.9 g of HCl in enough water to make 716 mL of solution. Calculate the pH of the solution at 25 degrees C

137. ## math

there are 4 students sitting on the stage at the school assembly waiting to receive their prizes.Alan and Julia wanted to sit together. If they did,how many different arrangements of students would there be?

138. ## science

What is the wavelength of waves transmitted by an AM radio station operating at a frequency of 840 kilohertz? Calculate the energy of a photon whose frequency is 2450 megahertz What is the difference in energy for a photon of ultra-violet radiation,

139. ## Science

If a 20 gram sample of a radioactive substance has a half-life of 6000 years, how many grams would be present after 18000 years?

140. ## Physics

If 400 gm of aluminum are put into 200 gm of water at 20 C in 110 gr. calorimeter of specific heat .093, and the temp.or stable equilibrium is 28.8 C, what is the initial temperature of the aluminum? specific heat of aluminum is .22..

141. ## math

wire is cut into 2 pieces with one piece 14 feet shorter than other.The wire was 66 feet before cut,how long is the the shortest lenght of wire,shoe steps to solve

142. ## math

camera cost \$730 sales tax is 8% how much tax is charged and what is the total price?round to nearest cent show steps to solve

143. ## Shipping Cost Program (Raptor)

Create a program that determine the shipping cpst for an order based on the follwoing table: From \$0.00 \$20.00 \$50.00 \$75.00 To \$19.99 \$49.99 \$79.99 \$1000.00 Price \$2.95 \$3.95 \$4.95 Free

144. ## Physics

An iron ball weighing 200 gm and specific heat of 0.11 is removed from a furnace and dropped into 550 gm of water at 5 degrees Celsius and the water is heated to 5 degrees Celsius. What must have been the temperature of the furnace?

145. ## math

First, why is the least common denominator of 3/4 and 4/8 not the product of 4 ad 8? Also, why is the least common denominator of 5/9 and 7/12 not the product of 9 and 12. Please explain both answers.

146. ## math

what is the volume of a rectangular prism l=7in.w=5in.h=3in.

147. ## music

which three groups of instruments are in the woodwind family?

Hi I am writing a paper for school about cancer cells. I can't seem to get a good introductory paragraph going. Can you give me some ideas? Thanks!

149. ## Physics -movies

There are many Hollywood movies which show a hero or villian running, jumping, or riding a motorcycle through big plate glass windows without apparent injury. Why is this an incredible violation of Newton's laws? i can't think of really anything that makes

150. ## Fisher College

What is 6y/7x^2 in terms of the LCD

151. ## math

a flagpole is 25 feet tall. a truck runs into the pole and bends it at the very bottom of the pole but the rest of the pole remains straight. after the accident we measure the angle of elevation to the top of the pole from a point 30 feet from the base of

152. ## math

In January 2010, the Burj Khalifa Tower officially became the tallest building in the world. This tower has a curtain wall (the exterior skin of the building) that is approximately 133,500 square yards. Convert this to square feet.

153. ## Algebra

Joe can drive from his house to his office in 40 minutes at an average speed of 40 miles per hour. What average is needed to drive the same distance in half an hour? If necessary, round your answer to the nearest tenth.

154. ## math

we decided on a new logo for our brand of t-shirts.It was to be 3 stripes;(1) each stripe could be colored in 1 of 2 different colors,but we didn't want adjacent stripes to be the same color.how many different logos could we make.(2) how many more logos

155. ## Computer Organization

Help me solve this question by using 1's complement (i) 110(Base2) - 010(Base2) (ii) 1010(Base2) - 1000(Base2) Help me solve this question convert The Value -40 and 52 to 8-Bit digit in form of: (i) Sign and Magnitude (ii) 1's Complement (iii) 2's

156. ## math

What is the numeral for Two Million?

157. ## Chemistry

A solution is made by dissolving 18.9 g of HCl in enough water to make 716 mL of solution. Calculate the pH of the solution at 25 degrees C

158. ## physics

5. A beam of light travels from benzene to water. If the angle of incidence in the benzene is 48, what will be the angle of refraction in the water?

159. ## Math

Ellory budgets at most \$20 each week for lunch. She has spent \$17.75 so far this week. Write and solve an iequality to determine how much more Ellory can spend and stay within her lunch budget.

160. ## Statistics

Records show that 29% of all payments to a mail-order company are submitted aftr the due date. Suppose 50 payments are submitted this week. Let r be a random variable that represents the number of payments that are late. Use the normal approximanition to

161. ## physics

A 66.5 kg ice skater moving to the right with a velocity of 2.72 m/s throws a 0.104 kg snow- ball to the right with a velocity of 40.3 m/s relative to the ground. What is the velocity of the ice skater after throwing the snowball? Disregard the friction

162. ## Physics

A 125 ball has a kinetic energy 33.6 What is the magnitude of it's momentum? What is the speed?

163. ## math

a carpet for a small room measuring 4 ft by 7.5 ft cost \$120 how much would it cost for a carpet (with the same price per square foot) for a bigger room that measures twice as long and three times as wide

164. ## Chemistry

How many mL of 6.00 ppm solution are needed to make 4.00 L of a 0.100 ppm solution?

165. ## chemistry 2

the two half-reactions that are used in the direct methanol fuel cell are shown below. I. 2 CH3OH(aq)+2H2O(l)=>2CO2(g)+12H+(aq)+12e- II. 3O2(g)+12H+(aq) +12e-=>6H2O(l) the electrode at which half-reaction I occurs is the ______ at which______ is oxidized,

166. ## chemistry 2

for the reaction 2C2H2(g)=>C6H6(l) at 25 C, the standard enthalpy change is -631 kJ and the standard entropy change is -430 J/K. calculate the standard free energy change at 25 C. show all work Help please!

167. ## chemistry 2

the two half-reactions that are used in the direct methanol fuel cell are shown below. I. 2 CH3OH(aq)+2H2O(l)=>2CO2(g)+12H+(aq)+12e- II. 3O2(g)+12H+(aq) +12e-=>6H2O(l) the electrode at which half-reaction I occurs is the ______ at which______ is oxidized,

168. ## math

on 3 tests you earned grades of 88%,94%,and 90%. Each test worth 150 points. The finalo exam is worth 250 points. How many points do you need on the final exam to earn 93% of the total points on tests? What percent do you need on the final?

169. ## I am really struggling on this problem - geometry

Please help guys if you can, this is a really hard problem I am trying to solve Four circles of unit radius are drawn with centers (1,0),(0,1) ,(-1,0) ,(0,-1) and . A circle with radius 2 is drawn with the origin as its center. What is the area of all

170. ## Programing

I have created VB2008 Windows Application. It works very well. My question is - how to share it with my classmates? Within VB6, I was able to create *.exe file. I have no idea how to covert my VB2008 Project to be run within a Windows environment. Thank

171. ## Music

Which instrument is not made of wood but belongs to the woodwind family?

172. ## US History

What were 2 compromises made at the Constitutional Convention?

173. ## Math

Find the difference. 7 1/2 - 6 3/10 = ?

174. ## Physics

If the two equal charges separated with one unit (one meter) has a force of 20 N. What will be the force if the distance is increased by 2 units (two meters)? What is the value of the new force compared to the old?

175. ## physics

3. Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force has a lever arm of 52 cm, the maximum magnitude of the resistance force is 1080 N and the resistance force has a lever arm of

176. ## physics

A thin spherical shell of mass 0.450 kg and diameter 0.190 m is filled with alcohol (ρ = 806 kg/m3). It is then released from rest on the bottom of a pool of water. Find the acceleration of the alcohol filled shell as it rises toward the surface of the

An interstate highway has been built though a poor neighborhood in a city. In the afternoon, the sound level in a rented room is 114.0 dB as 172 cars pass outside the window every minute. (a) What is the sound intensity during the day ? (Reminder: If you

178. ## English

Read the sentences Add the necessary semicolons I watched television last night consequently, I did not do well on today's test ; after night My dad is a great cook I really like his food ; after cook We were sorry to lose the tree on the other hand, the

179. ## Phyiscs

Suppose you throw a stone straight up with an initial velocity of 27.0 m/s and, 5.5 s later you throw a second stone straight up with the same initial velocity. The first stone going down will meet the second stone going up. At what height above the point

180. ## pHYSICS

You're working on an experiment to determine the calorie content of peanuts. To do this, you burn a peanut beneath a container of water, and measure the water's temperature change. Suppose the peanut has a mass of 0.59 g, and the water has a mass of 63.5

181. ## Chemistry

Determine how much of a 0.780M K2Cr2O7 solution is required to completely dissolve 4.70g of Cu

182. ## dijla

if you change the indicator of standardization Hcl with Na2co3 methyl red methyl orange titration corset not why?

183. ## physics

A 28.6-g bullet is fired from a rifle. It takes 2.36 × 10-3 s for the bullet to travel the length of the barrel, and it exits the barrel with a speed of 710 m/s. Assuming that the acceleration of the bullet is constant, find the average net force exerted

184. ## math

what is the volume of a rectangular prism l=7in.w=5in.h=3in.

185. ## physics

carbon dioxide forms into solid (dry ice)at approximately -150 F. What temperature in degree celsuis does this correspond to?

186. ## Algebra

- There are less than 40 members of the Landowners Association. These memebers vote on various proposals. All the members were present at a meeting and all voted on each of two proposals. On the first proposal 4 times as many memebers voted yes to those

187. ## Physics 1

Consider an airplane wing of area 15 m2. The airflow speed over the top of the wing is 205 m/s, while the speed across the bottom is 160 m/s. Estimate the thickness of the wing. What is the lift force on the wing at sea level at 0°C? (Use your estimate.)

188. ## PHYSICS

A wave on a string is described by the relation y = A sin(30t - 0.041x), where t is measured in seconds and x in meters, with A = 0.16 m. (a)Find the frequency of the wave. ____Hz (b)Find the wavelength of the wave. ___m (c)Find the speed of the wave.

189. ## Math Help!

Kayla buys a \$20 phone card. She is charged \$0.15 per minute for long distanced calls. What equation gives the value (v) left on her card after she makes (t) minutes of long distance calls.

190. ## Math

Two trains leave a train station at the same time. One travels east at 11 miles per hour. The other train travels west at 9 miles per hour. In how many hours will the two trains be 70 miles apart?

191. ## Geometry

Identify the hypothesis and conclusion of the if-then statement. If the doorbell readings, then the dog barks.

192. ## math

In January 2010, the Burj Khalifa Tower officially became the tallest building in the world. This tower has a curtain wall (the exterior skin of the building) that is approximately 133,500 square yards. Convert this to square feet.

193. ## Calculus

Use n = 3 subdivisions and left endpoints to estimate the area under the graph of f(x) = 3x 2 + 1 between x = 0 and x = 1.

194. ## Physics

A man places a torche on the ground, 10m away from a wall. He sees a shade on the wall and gets a friend to measure the height of the shadow as he walks towards the wall. Here are the results: Distance from torch to man height of shadow 1 20 2 10 3 6.7 4 5

195. ## statistics

Assume a simple random sample has been taken, the conditions for binomial distribution are met and the sample proportions can be approximated by a normal distribution. In order to evaluate a course of therapy to treat brain tumors, a sample of 300 patients

196. ## Math

Solve the equation. a + 1/3 = 6/7.

197. ## Chem Lab Questions

1. Use the Van der Waals equation to calculate the pressure exerted by 1.00 mol of Cl2; in 22.41 L at 0.0 degrees C. The constants for Cl are a = 6.49 L2 atm/mol2 and b = 0.0526 L/mol. 2. How much potassium chlorate is needed to produce 20.0 mL of oxygen

198. ## Physics

How much water at 65 C must be mixed with 600 gm of water at 25 C in a 55 gr can specific heat .1, if the temperature of the mixture is to be 31 C?

199. ## physics

4. A beam of light in water enters a plastic block (index of refraction=1.40(a) if the angle of incidence is 40, what is the angle of refraction in the plastic?(b) at what angle must the beam be incident on the plastic if the refraction angle is to be 30?

200. ## physics

for a man of mass 75kg and height 185 cm claculate the following using standard anthropometric data. 1. length of his upper arm 2. mass of his upper arm 3. position of the centre of mass of his upper arm relative to the glenohumeral joint 4. radius of

202. ## physics

A thin spherical shell of mass 0.450 kg and diameter 0.190 m is filled with alcohol (ρ = 806 kg/m3). It is then released from rest on the bottom of a pool of water. Find the acceleration of the alcohol filled shell as it rises toward the surface of the

203. ## math

Currently, the Toyota Corolla is the best selling car in the world. Suppose that during a test drive of two Corollas, one car travels 224 miles in the same time that the second car travels 175 miles. If the speed of the first car is 14 miles per hour

204. ## exponenents

So is this the correct prime factorization be 2 to the 2nd exponent x 3 x 5 to the 4th exponent x 2 the 3rd exponenetx 11 to the 2nd ? which equals ?

205. ## English

Read each phrase Write the possessive form for each item the collar of the shirt the shirt's collar the project of the student the student's project the songs of the children the childrens' songs the decision of the judges the judges' decision the mooing

206. ## Grammar

Identify the abbreviations in this sentence. When they raise me to a high position, then ill get a raise.

207. ## chemistry

what total mass of product will form when 1.38 L of c3h8 at 25 degrees C and 760 torr react with 75.0 mL of 5.33 M h2cr04? a. 48.2g b.114g c. 342g d. 9.71g

208. ## More Physics

I have NO idea how to do this! any help is great! A car with a mass of 1330kg is traveling at 28m/s. The driver applies the brakes to bring the car to a rest over a distance of 79m. Calculate the retarding force acting on the car. From this i can see that

209. ## probaility.....plse help me.....

From the word HINDUSTAN ===== (a) In how many of these anagrams none of the vowels come together. (b) In how many of these anagrams do the vowels and the consonants occupy the same relative positions as in HINDUSTAN?

210. ## Physics

A large suitcase full of gold sits at the bottom of a lake. A team of treasure hunters uses a crane to recover the suitcase and finds that a force of 2.6 105 N is required to lift the suitcase to the surface. What is the volume of the suitcase? _____m^3

211. ## physical science help please!

If a sample emits 1000 counts per second when the detector is 1 meter from the sample, how many counts per second would be observed when the detector is 2 meters from the sample?

212. ## Chemistry

In 1 antacid tab neutralizes 6.84 mmol of HCL (36.46 g/mol). How many tabs are needed to neutralize 125 mL of stomach acid. Assume [H3O+] = 0.10 mmol/mL. I have no idea where to go with this. Any formula would help.

213. ## Programming Using Raptor

How do i program this into Raptor Language? print "What is the cost of the item?" input cost if ((cost >= 0) && (cost < 20)){print "The shipping is \$2.95."} if ((cost >= 20) && (cost < 50)){print "The shipping is \$3.95."} if ((cost >= 50) && (cost <

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

215. ## math

The lenght of each of the two sides of an isisceles triangle is 10 meters. The angle between the two congruent sides is x. find the area of the triangle as a function of x/2.

216. ## English

Read the sentenced Add commas when they are needed. I don't know how to skate but I can learn. Comma after skate Mom and Dad fixed dinner and my sister and I washed the dishes. Comma after dinner I wanted to go yet something held me back. Comma after go I

217. ## Physics

An aluminum can is filled to the brim with a liquid. The can and the liquid are heated so their temperatures change by the same amount. The can’s initial volume at 8 °C is 6.9 × 10-4 m3. The coefficient of volume expansion for aluminum is 69 × 10-6

218. ## Physics

Your sofa won't fit through the door of your new sixth-floor apartment, so you use a 1.19 motor to lift the 88.6 sofa 18.3 from the street. How much time does the lift take?

219. ## math

From a survey of 200 college students, a marketing research company found that 140 students owned iPhones, 60 owned cars, and 50 owned both cars and iPhones. (a) How many students owned either a car or an iPhone (but not both)? ______ students (b) How many

220. ## phsical science

what is the period of a string that vibrates with a frequency of 20 times per second

221. ## Math

Find the difference. 6 3/5 - 2 1/4 = ?

222. ## Algebra 1

Mr. Jones got his car washed at super clean. The wash started at 1:55pm and ended at 2:05pm. It cost \$7. Mr. Smith got his car washed at Super Clean for \$12. the wash started at 9:30am and ended at 9:50 am. Write an equation for the line that represents

223. ## Chemistry

Write equations for the ionization of the following acids.Which ones ionize only slightly? (a) HF (b) H2SO3 (c)CH3COOH (d) HNO3

224. ## math

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. 43 said they drove alone. 34 rode in a carpool. 28 rode public transportation. 4 used both carpools and public transportation. 7 used both a

225. ## physics

3. Calculate the magnitude of the force required to cause an anterior dislocation of the glenohumeral joint given that he force has a lever arm of 52 cm, the maximum magnitude of the resistance force is 1080 N and the resistance force has a lever arm of

226. ## Science

Why is "I have to lose weight" not an accurate statement?

227. ## SS

4. How did the United States attempt to stay out of European conflicts by sending a limited number of troops to France by proclaiming neutrality and signing treaties with Britain and Spain by encouraging the Native Americans to get involved instead by

228. ## Child day care

10. Which of the following accreditation organizations does not have its headquarters in the United States? A. NAEYC B. AMS C. AMI D. CWLA

229. ## physics

7. A drop of oil is placed on a glass block. The glass has an index of refraction of 1.55. When light shines from the glass into the droplet, total internal reflection occurs at a critical angle of 59.0(degrees).find the index of refraction of oil.(this

One of my personal achievements has to do with artistic. When I was in the 7th grade I participate in the 2012 Reflections Competition. The theme was "Diversity Means...". I decided to do visual arts. In my art work, I drew a huge earth and on top of the

231. ## US History

Put this in order ____ Constitutional Convention ____ Northwest Ordinance ____ Shays' Rebellion ____ Articles of Confederation ____ American Revolution end Please help

232. ## Chem

Water is 11.2 by mass hydrogen. How many kilograms of water would contain 5.30 of hydrogen?

233. ## Math

The separation between goalpost uprights in college football changed from 23 feet 4 inches to 18 feet 6 inches. What percent reduction was this?

234. ## Trigonometry

im stuck on these questions....... 6. Change -4√2 - 4√2 to trigonometric form A. 32 cis 135° B. 8 cis 225° C. 8 cis 45° D. 32 cis 45° 7. Simplify (2 cis 100°)7. A. 2 cis 700° B. 128 cis 280° C. 128 cis 340° D. 2 cis 340° 9. Simplify 12(cos52°

235. ## english

Which elements of a story can help you predict early on what a story will be about? Select all that apply the author's name first paragrahph title illstrations and captions i know its b,c,d but could a be one?

236. ## Spatial Relationship

Of the following pairs of surfaces, which pair contains surfaces that are both perpendicular to surface I?

237. ## English

Read the sentences. Add quotation marks and commas where needed I prefer country music said Melanie. "I prefer country music," said Melanie. Let me go with you my sister begged. "Let me go with you," my sister begged. Why Anna asked would you not tell me

238. ## math

student got 25 questions correct did not pass,2nd attempt got 36 correct what was percent increase show how solved

239. ## Calculus

the slope of the line tangent to the curve y=(tanx/cosx) at x=(pi/3) is? a)-8 b)2√3 c)3√2 d)8 e)14

240. ## Math

In a recent survey of 100 women, the following information was gathered. 42 use shampoo A. 38 use shampoo B. 34 use shampoo C. 7 use shampoos A and B. 9 use shampoos A and C. 11 use shampoos B and C. 5 use all three. How many are using shampoos A and C,

241. ## chemistry

what total mass of product will form when 1.38 L of c3h8 at 25 degrees C and 760 torr react with 75.0 mL of 5.33 M h2cr04? a. 48.2g b.114g c. 342g d. 9.71g

242. ## English

Read the sentences Correct the pronouns in the sentences We respected one anothers privacy. another's We have our's but where are their's ours' theirs Is this anybodys lunch anybody's It is your turn now but soon it will be our's ours' Josh asked if his'

243. ## statistics

Assume a simple random sample has been taken, the conditions for binomial distribution are met and the sample proportions can be approximated by a normal distribution. In order to evaluate a course of therapy to treat brain tumors, a sample of 300 patients

i need to do a reading essay on maya angelou this is what i have intoduction: maya angelou was born april 4, 1928 in st.louis missouri. she is an author, poet, playwright, stage and screen performer, and director. she has a brother named bailey when they

245. ## pre-algebra

if a serving has 346 calories, 46 grams of carbs, and 18 grams of protein, determine the # of grams of fat in the serving. c=346, h=46, p=18 f=346-4(46)-9(18)/9 I'm getting a completely different answer than what it's supposed to be. HELP!

246. ## Math

Find the sum. 1 3/5 + 8 1/2 = ?

247. ## social studies

question from history:- pls help me guys............. Why Dadabhai Naoroji is known as grand old man of india.

248. ## math

About a third of an orange crop was ruined by a sudden frost. Another third of the undamaged fruit spoiled while being taken to market. How much of the original orange crop could the farmer sell at the produce market?

The radius of Earth is 6,371 kilometers. A space shuttle orbits 315 kilometers above the surface of Earth. The space shuttle completes 240° of a revolution around Earth in one hour. What is the average speed of the space shuttle? Choose the closest

250. ## Science ~conversions~

On my physics home work i have a question that puts the weight in grams, and i need to find the acceleration. I know that the formula is F=ma, and Force is in newtons, mass is in kg and acceleration is in m/s^2. but can you still find the acceleration by

251. ## Help math problem??

2 to the 2nd exponet x 3 x5 to the 4th exponent x 8 x 11 to the 2nd exponent is not a prime factoration right? because of the 8 ?

252. ## math

Rachael is thinking of a number. She adds 7, multiples by 3, subtracts5, and divides by 2. The result is 29. What is Rachael's number?

7th Lit Homework Misplaced Modifiers Rewrite the following sentences so that they are clear. Add, delete, rearrange words to fix misplace and/or danglingmodifiers. Somewhere inside the wall, I heard a scarching sound. I heard a scratching sound, it came

asked by rawr... im a dinosaur.... rawr
254. ## Geometry

Write the if-then statement that follows from the pair of true statements If I go to the movie, then I will stay up late If I stay up late, then I will be tired tomorrow

255. ## Help math

So is this right for prime factorization be 2 to the 2nd exponent x 3 x 5 to the 4th exponent x 2 the 3rd exponenetx 11 to the 2nd ?

Why do you think the earth's crust is thicker under land than under bodies of water?

257. ## Math

What powers of two prime numbers will give a product of 1000...000(this sign --> { below the 1000...000 and below this { telling 2012 zeros ) Please show your solution and how you did it. Thank you so much.

258. ## math

3 boys and 3 girls ,how many different boy-girl pairs can be formed ?

259. ## English

In relation to A Shocking Accident, what word best describes Jeromes attitude about his fathers memory?

260. ## spanish

Nosotros vivimos en (3rd) (1.0 points)Question 6 options: 1) el tercer piso 2) el trece piso 3) el tercero piso

261. ## Math

In a recent survey of 100 women, the following information was gathered. 52 use shampoo A. 31 use shampoo B. 39 use shampoo C. 11 use shampoos A and B. 13 use shampoos A and C. 15 use shampoos B and C. 10 use all three. How many are using shampoo A only?

262. ## Psychology

what is the study called where the same people are tested repeatedly at different ages?

263. ## us history

In many ways after the divisiveness and devastation of the Civil War, the United States searched for order economically, politically, geographically, socially and racially. Select one of these areas, or suggest another, and make a case for the reasons why

264. ## physics

Consider the mass on a spring in the figure below. If the spring constant is k = 28 N/m and the mass is m = 2.1 kg, what is the period? _____ s Any help will be appreciated.Thank you.

265. ## accounting

im working on an hst and journalizing assignment and theres a question that says sales invoice to b.enright for \$825 plus taxes which is 13%, how would i journalize that ???

266. ## math

What is a ratio in simplest form for 585 miles per 6 hours? Thanks!

267. ## physics

9. a fish is 5.0 ft below the surface of a still pond. At what angle to the vertical must the fish look if it is to see a fisherman sleeping on the shore of the pond?

I had to give an interview to a parent about Teens and Cell phones. I got ten questions, gave the interview, and reported results. Thanks for any and all feedback. Cell Phones and social networking 1) Do you think that teenagers, and kids, need to be more

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

270. ## English

Read the sentence add missing exclamation marks, question marks or periods John lives at 5044 Colonial Dr John lives at 5044 Colonial Dr. Did Dr Brown talk to you before class Did Dr.Brown talk to you before class? Have you learned about Dr Martin Luther

271. ## Math

Solve equations below: 45-z+89=

272. ## English

Read the sentenced Add quotation marks where needed We went to the movies last night, Brianna said. "We went to the movies last night," Brianna said. Just wait, Gail said, and I will get it for you. "Just wait," Gail said,"and I will get it for you." I

273. ## Chemistry (kinetics)

None of the orders in this reaction were 0 order; however, reactions can be 0 order. Using the idea of a reaction mechanism and rate limiting step, explain how a reaction can be 0 order for a substance.

274. ## graphing question

how do i get the slope formula of: (4,-1) and (3,-1)? Then the Point slope form:Slope=4,passes through (1,3)?

275. ## chemistry

What mass of chromium is contained in 50 ml of 6.55 M cr2(cro4)3? a. 85.2g b. 0.188g c. 68.1 g d. 17.0g

276. ## English

Read the sentenced Add commas when they are needed. I wrote the letter folded it and mailed it. Comma after "letter" and a comma after the first it Justin prepared the soil planted the seeds and watered the garden Comma after soil and seeds Our dog ran

277. ## math

Refer to the following list of closing costs for purchase of a \$ 175,000 house requiring a 20% down payment and find each requested amount. Title insurance premium \$ 240 Document recording fee 30 Loan fee ( two points) ….. Appraisal fee 225 Prorated

278. ## math

what is the square root of 6,multiplies the answer bt 2 and then squares that answer.please explain,thanks

279. ## math

10 mL = how many L 70 mL = how many L

280. ## math

how much will a \$10000 investment compounded continuously at 8% be worth in 10 year?

281. ## maths

question of percentage:- A number is increased by 15% and then decreased by 10%. find the net increase or decrease per cent.

282. ## History

would you sign a document knowing that it would make you a traitor even if it meant freedom for the people of your country?

283. ## social studies

from history chapter- Crafts and industries Which industries today are seen as Modern Industries.

284. ## Ap Chemistry

How do you find the %error (unknown acid=maleic acid, H2C4H2O4)

285. ## math

translate to equation Thirty -six more than the product of three and x yields forty-eight.Find x

286. ## maths

Let p(x) = 1 + 4x + 2x^2 + 2x^3 in Z5[x]. Find all roots of p(x), and write p(x) as a product of irreducible polynomials.

287. ## Physics 1

The antinode of a standing wave is 0.052 m away from the nearest node. What is the wavelength of the waves that combine to make the standing wave? ___m

288. ## chemistry

How many osmoles are there in 6.00 ML of a 6.0 N mg3(po4)2 solution?

289. ## Geometry

What's a counterexample

290. ## Science

The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2. The reaction is second order in AhF. The value of the rate constant is 1.091×10−3 M−1s−1. What is the initial rate of reaction in a reactor

291. ## Chemistry

If 1 antacid tab neutralizes 6.84 mmol of HCL (36.46 g/mol). How many tabs are needed to neutralize 125 mL of stomach acid. Assume [H3O+] = 0.10 mmol/mL. I have no idea where to go with this. Any formula would help

292. ## Math

What is the approximate percentile rank of a lightbulb that failed at 9000 hours if the number of lightbulbs is 400? The number of lightbulbs that lasted between 5400 and 9000 were about 326 lightbulbs. The mean is 7800 and the standard deviation is 1200

293. ## Math

Please help! How do I find the mean weight of 2 groups of 100 kids... 1st grp mean weight is 55.7lbs and 2nd grp mean weight is 42.6lbs.

294. ## Statistics

Please Help!!! I am having a small Problem Working this Problem. I am just not understanding. Could someone please assist? The lifetime of a brand of DVD player follows a normal distribution with a mean of 8 years and a standard deviation of 6 months. Find

295. ## math

logan built an enclosure for his chickens. He wanted opposite sides to be parallel, but the adjacent sides to be different lengths. what was the shape of the enclosure?

296. ## Math - Plz help Ms.Sue

What is 6.89 divided by 79.7? Please explain I tried but I can't get it right.

297. ## math

The lenght of each of the two sides of an isisceles triangle is 10 meters. The angle between the two congruent sides is x. find the area of the triangle as a function of x/2.

298. ## Health

Glucose enters most cells by what?

299. ## math

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. How many are not using any of the three? 35 said they drove alone. 35 rode in a carpool. 30 rode public transportation. 3 used both carpools

300. ## statistics

test the claim that less than 30% of the students in class own a car at the 0.10 significance level.

301. ## Algebra 2

how do i simplify this expression? 9x^2 16x^4y^2 -------- x -------- -4x^3y^4 25xy

302. ## English

Read the sentenced Add commas when they are needed. This wet rich land is good for growing rice Comma after wet and land The sunset offered bright beautiful colors Comma after bright No I do not think we have any left Comma after No Whether or not he is

303. ## math

find the missing number;[8 1 4 5 7 ] { 81 4 25 36 ? }

304. ## algebra

i need an quadratic equation for a 13 to 15 year old who mows lawns and what there profit would be if they charge \$10 a yard and they mowed 5 yards a week

305. ## Science

Stacy has .55kg water sample at 1 atm pressure and 40 degrees celsius. She heats it to 90 degrees Celsius, maintaining constant pressure. How much heat was absorbed by the solution during the course of this operation? (CP of H2O (l) = 4.18 J/g )

306. ## math

so lve equation 3(k-4.8)=-0.7(k-6.9) show steps to solve

307. ## math

Ricki Cohn Encyclopedia sales Commission rate: 11% Month’s sales: \$2,550 What is the monthly commission?

308. ## math

which eguation matches the wrds? The same number of cookies,C, in each of 3 tins makes a total of 36cookies. A.) 36-c=3 B) c x 3 = 36 C) 36 = c divided by 3 D) c = 3 + 36.

309. ## English

In the story Macbeth we can see that he encounter many issues. I have to write an essay picking an issue that happen in the story and than explain how it takes place in the renasssiance and than how it still happens in today's in today's society. So could

310. ## physics

3. a beam of light enters water from air.(a) if its angle of incidence is 70,what is the angle of refraction ?(b) at what angle must it enter the water if its angle of refraction is to be 20?

what is a word problem for 4.23x10

312. ## math

Ms Sue , Is the answer to this equation : The same number of cookies,C, in each of three tins makes a total of 36 cookies. Is the equation 36 = C divided by 3?

313. ## math 106

what amortization payment would be required every month, at 12% interest, to pay off a \$125,000 mortgage in 10 years? round your answer to the nearest cent. can you work the steps to this problem for me so i can see the problem clearly?

314. ## math algebra solve proportions

i need help on g over 32 = 8 over 64 solve each proportion

315. ## Central America

What is the economy of Central America like? What are some of the main products that are exported there?

316. ## English

Mr. And Mrs. Sanchez were married On Nov 12 1988 Comma after 12 We met on Tuesday Nov 5 in Austin Texas Comma after Tuesday and Austin It is almost two thousand miles from Atlanta Georgia to Los Angeles California Comma after Atlanta and Angeles All of

317. ## chemistry

The vapor pressure of benzene, C6H6, is 60.0 mm Hg at 13.5°C. The molar heat of vaporization of benzene is 30.8 kJ/mol and R = 8.31 10-3 kJ/mol·K. What is the vapor pressure of benzene at 70.0°C?

318. ## math

Pool length (m) 9 Depth of pool (m) 1.6 Pool length (ft) 29 Is it correct to write that 9m (metric system) is 29 feet

319. ## physics

What is the potential energy of a bear with the mass of 200 kg in 20 meter altitude of a mountain?

320. ## Math

How would you write 2/3-13i in standard form?

321. ## Math

What is the ratio simplified 20/45 A.9/4 B.4/13 C.5/9 D.4/9

322. ## math

3(y-7)= 5y-19

323. ## statistics

8. Suppose that the IQ score for a person selected from a certain group of people is approximately N(; 100). Let X1;X2; : : : ;Xn be a random sample of such IQ scores. (a) How large should n be so that a 90% con dence interval for  with maximum error " =

324. ## psychology

hello, can you help me try to find research for sigmund freud unconscious mind thank you

325. ## maths

proof that the equation x^2(a^2+b^2)+2x(ac+bd)+(C^2+d^2)=0 has no real roots.

asked by preet0099 help me !
326. ## maths

A Two digit number is such that the product of the digit is 18. When 63 subtracted from the number the digit interchange the place.Find the number.

asked by preet0099 HELP ME !
327. ## Chemistry..

Why does increasing the airflow over your face make you cooler? Why does getting your finger wet and then increasing the airflow result in an even cooler sensation? Why doesn’t the pen/pencil change temperature at all?

Keno

329. ## english

what is the helping verb in we will attend the party if we finish our chores in time.

330. ## math

find total amount due on loan,round to nearest cent.\$600 = principal Rate=2% time in Years=2 show steps to solve and answer

331. ## math

4a+(4a+3).....pls simplify to get answer as a=?

332. ## math

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results are below. How many are not using any of the three? 35 said they drove alone. 35 rode in a carpool. 30 rode public transportation. 3 used both carpools

333. ## Algebra I HELP!

Write an equation for a line to represent this situation. Time(min) 5 10 15 20 25 Charged \$8 \$13 \$18 \$23 \$28

334. ## math

Attendance of game was 78,000 four times attended on the next game how many attended show steps to solve

335. ## Physics

A shear force of 3.1 105 N is applied to an aluminum bar of length L = 19 cm, width w = 5.2 cm, and height h = 2.3 cm as shown in the figure below. What is the shear deformation Äx?____m

336. ## Foundations of Algebra

Tony is Test Image of a mile ahead of Laura on a jogging path. If Tony is running at 5 miles per hour, and Laura is running at 7 miles per hour, how long will it take Laura to catch up with Tony?

337. ## Physics

a 2 centimeter diameter ball of 50 grams rolls at constant velocity across a table. it takes 4 seconds to travel 3 meters. Sketch graph of horizontal position, velocity and acceleration.

338. ## Math 310 Math for Teachers

At the same time but different speeds, two trains X and Y left from different stations, A and B, and moved facing each other (to opposite directions). They first met at the point that was 120 miles from station A. When X and Y reached the destinations (B

339. ## Geography

Following the breakup of the soviet union, what are some of the major problems faced by many of the new countries? my answer How to become democratic. People aren't used to voting and being given a choice. They aren't used to political parties. They have

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

341. ## Chemistry

if 20.00 grams of NaOH are diluted in enough water to make 1.00 liter, what is the molarity of the solution?

342. ## English

Need a topic in Macbeth that relates to the Renaissance and today's society.

343. ## math

A calculator was dropped at an equation of d= 0.5*9.8t^2 + 5t How long would it take for the calculator to hit the ground? HINT: SET THE EQUATION TO ZERO.

344. ## Calculus

what is the differential of (217)^1/2

345. ## math

f(x)=165*x what is the domain plz i need help

346. ## math

mina says that if you know the products up to 10x10, you also know the division facts up to a dividend of 100. is she right? Explain

347. ## chemistry

Processed cheese must be at a pH of 5.5 to 5.9 to prevent the growth of unwanted microorganisms. If sample of cheeese has an [OH^-]of 7.76*10^-9, what does it mean? Show calculation. I really need help with please. Kindly show me hoe to compute it thanks a

348. ## math

Jose claims that the equation \/ - x = 3 (this is read as the square root of negative x = 3) has no solution, since the square root of a negative number does not exist.

349. ## College Pre Calc

lim t>7 F(x) (1/t)−(1/7)/t-7

350. ## chemistry

What mass of chromium is contained in 50 ml of 6.55 M cr2(cro4)3? a. 85.2g b. 0.188g c. 68.1 g d. 17.0g

351. ## Annur mathematics

Approximate the followin. 1.2.7272to 2d.p

352. ## Rae

The sides and classifications of a triangle are given below. The length of the longest side is the integer given. What value(s) of x make the triangle? x,x, 8; right Please provide an explanation as well. Thank you.

353. ## Math

I have a 73.3 and that is worth 70% of my mark. My final is worth 30%. What do i need to get on my final to finish with anything over a 70%?

354. ## Ratio

Ratio in simplest form

Keno

356. ## math

telephone bill increased from about 50.00 a month to 43.00 what was percent on decrease

357. ## Social Studies

Why do you think the colonies should declare independence from great britain? why?

358. ## science

at what altitide(height above earth's surface) would temperatures be 22 degrees C?

i need to do a reading essay on maya angelou this is what i have intoduction: maya angelou was born april 4, 1928 in st.louis missouri. she is an author, poet, playwright, stage and screen performer, and director. she has a brother named bailey when they

what are some beliefs on maya angelou attitude, time (like she was there for word war II) heritage and experiences

361. ## Political science

If the Federal Reserve is printing money, why is the CPI not reporting a threat from inflation? A) because China is selling expensive goods to American consumers B) because the Federal Reserve is keeping interest rates high, C) because we have a huge trade

363. ## chemistry..

Why does increasing the airflow over your face make you cooler? Why does getting your finger wet and then increasing the airflow result in an even cooler sensation? Why doesn’t the pen/pencil change temperature at all? NEED HELP!

364. ## exam number 06041600

do you have the answers for this exam in steps to the math problems? i need help on them.

365. ## Physics 1

The period of oscillation for a mass-on-a-spring system is 0.14 s. If m = 3.9 kg, what is the spring constant of the spring? ____N/m

366. ## Chem

upon cumbustion of a 0.144g sample of Mg, 0.090g of O2 is used. Though the sample likly contains impurites (substance other than Mg). What is the percent of imputities by mass?, please show the steps I'm really confused with this one. Thank you

367. ## math

how do i solve this linear system using substitution or elimination -16x+2y= -2 y=8x-1

368. ## history

what is necessary to win a war?

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

I need a little guidance: If I am hired to help a retail store reach out to new and existing customers, what types of collaboration tools would I use to help the client? I looked up Google Docs (which is free I think) and the others, i do not know much

372. ## Math

How would you write 2/3-13i in standard form?

373. ## Math

How would you write 2/3-13i in standard form?

374. ## math

division question for 5x4=20

375. ## physics question

find the force exerted by proton and the electron in a hydrogen atom they are 5.0 X 10^-19 coulomb

376. ## chemistry

upon cumbustion of a 0.144g sample of Mg, 0.090g of O2 is used. Though the sample likly contains impurites (substance other than Mg). What is the percent of imputities by mass?, please show the steps I'm really confused with this one. Thank you

377. ## spanish

Mi amiga es la _______________(4th)__________muchacha.

378. ## science

three forces that can be used to move an object are

379. ## factored form

9m^2-18m+9 how to put in factored form?

380. ## math

What number is the square of 5 times the square root of 12? How do you get the answer? Thanks.

381. ## math

25.83/3.71x/5.3 find unknown proportion. show steps to solve

382. ## Algebra II

Factor: 12x^2+13x-35 I need help on how you would go about doing this. I only understand when 1 is the coefficient for the x^2 term.

383. ## math

how to graph y=4x-3

Which of the linear systems has exactly one solution A: -x+y=9 x-y=9 B: -x+y=9 x-y= -9 C: -x+y=9 -x-y=9 D: x-y= -9 -x+y= -9

7.86x4.6

386. ## Math

You pick two cards from a deck of 52 cards. Find the probability that the first card was a spade given that the second card was a spade.

387. ## PHYSICS

A force of 25.0 N acts at an angle of 25° to the horizontal. Find the horizontal and vertical components of the force.

388. ## math

5 times the square root of 12 is the square root of what number? How do I find this answer? Thanks!

389. ## College Pre Calc

lim t>7 F(x) (1/t)−(1/7)/t-7

390. ## english

how were the womens rights in the renaissance, relating to macbeth

5+5*5+5=

392. ## math

i need the function in the inputs are 0,2,4,8 outputs are 20,18,16,12

393. ## math

how many 2 digit numbers can be written so that the second digit is greater than the digit before it ?

394. ## science

three ways objects can move are

395. ## 9th garde math

Write an equation for the line with points (4,5) and (6,9). Please explain.

what is bathe beliefs attitude experiences heritage and what else

397. ## Physics 1

Consider a simple pendulum of length 1.1 m with m = 2.9 kg. If the amplitude of the oscillation is 0.11 m (as measured along the circular arc along which it moves), what is the total mechanical energy of the oscillator? ____ Joules

398. ## math

convert 23.8m_____kg

399. ## math

solve equation 3(k-4.8)=0.7(k-6.9) show steps to solve this please

400. ## math

0.935 divided by 0.5

401. ## math

if sin(x+⁡α)=2cos(x-b) show tan x such that : tan x=(2-tan⁡ α)/(1-2 tan α)

402. ## Math

Jamal has 4 feet of ribbon to wrap presents. If he uses 2/3 feet of ribbon for each present how many presents can he wrap?

403. ## joool

3y^2-6x^2-3xy=0

404. ## Geography

Is this correct? Hawaii and the Florida Keys are the only 2 states that are located south of the 25 degrees N latitude line?

405. ## Math

What is 6.89 divided by 79.7 Please explain I tried but I can't get it right.

406. ## Calc-math

I can do the Ferris Wheel type. This one I can not solve. A light is attached to a 13 inch radius bicycle tire, at a point 8 inches from the center. If Harvey rides the bike at 15 mph, how fast is the light moving up and down at its fastest?

407. ## math problem

2 to the 2nd exponet x 3 x5 to the 4th exponent x 8 x 11 to the 2nd exponent is not a prime factoration right? because of the 8 ?

408. ## Political science

True or false the government sells bonds in order to lower inflation.

2(x+4)+9x+1

410. ## math

find unknown proportion to solve 25.83/3.71=x/5.3-

411. ## Math

f(x)= -x+6 {-1,1} I know how to solve this but how do I replace -1 (the given domain) to -x? Would it be -1+6 or 1+6?

412. ## math

an 8- acre field can be mowed in 5 hours,how long to mow 1.6 acre?solve show steps