# Todd

Popular questions and responses by Todd
1. ## Math

A trash company is designing an​ open-top, rectangular container that will have a volume of 135 ft^3.The cost of making the bottom of the container is​ $5 per square​ foot, and the cost of the sides is​$4 per square foot. Find the dimensions of

asked on October 8, 2016
2. ## chemistry

How many kilojoules are required to melt 15g of ice at 0 degrees C, and raise the temperature of the liquid that forms to 85 degrees C?

asked on September 19, 2016
3. ## Chem

Identify the conjugate acid-base pairs in the following reactions. (a) NH4+(aq) + OH-(aq) NH3(aq) + H2O(l)

asked on March 6, 2017

A game is played using one die. There is a$1 charge to play the game. If the die is rolled and shows a five, the player receives$6 back ( a profit of $5 and the original$1). If any other number shows, theplayer loses the original $1. What is the player's asked on July 16, 2011 5. ## statistics Find the standard deviation, Sigma, for the binomial distribution which has the stated values of n and p. Round your answer to the nearest hundredth. n = 639; p = 0.7 asked on April 14, 2013 6. ## rainwater What would cause rain water puddle to turn black in color asked on June 19, 2011 7. ## Maths Three different numbers have median 2 and range 2. Find the three numbers asked on May 1, 2017 8. ## Math Question Find the values of the six trigonometric functions of an angle in standard position where the terminal side is going through the point (-1, 1). Sinθ = Cosθ= Tanθ= Cscθ= Secθ= Cotθ= asked on December 4, 2014 9. ## Applied statistics for business and economics Only 0.02% of credit card holders of a company report the loss or theft of their credit cards each month. The company has 15,000 credit cards in the city of Memphis. Use the Poisson probability tables to answer the following questions. What is the asked on October 24, 2010 10. ## Math Write 5+7+9+11+13+15+17 in sigma notation. asked on January 9, 2015 11. ## algebra The speed of a passenger train is 16 mph faster than the speed of a freight train. The passenger train travles 300 miles in the same time it takes the freight train to travel 220 miles. find the speed of each train asked on June 22, 2012 12. ## geometry An airplane descends 3.5 miles over a horizontal distance of 25 miles. How far did the plane actually travel? asked on January 18, 2012 13. ## Maths Nina, Shanti and Belle run a 1000 m race at a constant speed. When Nina crossed the finish line first, she was 200 m ahead of Shanti and 400 m ahead of Belle. When Shanthi crossed the finish line, how far ahead of Belle was she? asked on July 22, 2017 14. ## Maths A tank with 520L of water begins to leak at a rate of 2L per day, At the same time, a second tank is being filled at a rate of 1L per hour, starting at 0L. How long does it take for the tanks to have the same volume? asked on March 14, 2017 15. ## math A small plane is flying a banner is 144 square feet. The width of the banner is 1/4 the length of the banner. What are the dimensions of the banner? asked on February 2, 2015 16. ## chem A solution of ammonia and water contains 3.80×1025 water molecules and 5.80×1024 ammonia molecules. How many total hydrogen atoms are in this solution? asked on January 21, 2015 17. ## Chemistry Comment on the relative acidities of h3po4 and the h2po4 ion? I don't understand what this question is asking? Would H3PO4 is a strong acid and will completely dissociate into ions in aqueous solution suffice? asked on February 26, 2013 18. ## Physics Nitrogen gas is introduced into a large deflated plastic bag. No gas is allowed to escape, but as more and more nitrogen is added, the bag inflates to accommodate it. The pressure of the gas within the bag remains at 1 \rm atm and its temperature remains asked on September 1, 2010 19. ## Economics The demand curve for a monopoly is: 1. the MR curve above the AVC curve. 2.above the MR curve. 3.the MR curve above the horizontal axis. 4. the entire MR curve. asked on March 30, 2017 20. ## Algebra Four times the sum of 9 and some number is 60. What is the number? asked on December 6, 2016 21. ## Finance A company has total assets of$8,500,000 and its total turnover of 2.35 times. If the return on assets is 9 percent, what is its profit margin? Please help with a formula?

asked on March 18, 2013
22. ## Algebra

I need to find the slope of a ladder that is leaning against a building. The bottom of the ladder is 9 ft from the building and the top of the ladder is 16 ft above the ground.

asked on February 19, 2013
23. ## math

I have 8 ones and 2 hundreds. I am between 270 and 280. what number am I?

asked on September 13, 2012

Company sales and profits grow at a rate of 30% per year; at the end of 4 years (t4) the growth rate drops to steady 5%. Company recently paid a dividend of $1 per share, and the required return is 20%. What is the value of one share today (t0)? assuming asked on December 29, 2011 25. ## Physics A 95 kg rowboat is initially at rest, until it is pulled toward the dock with a rope with a tension of 30.0 N. The dock is higher than the boat, and the rope makes an angle of 25° at the place where it meets the boat. What is the acceleration of the boat? asked on October 31, 2011 26. ## Math Len flipped a coin 3 times and got a head each time. What are the chances he will get a tail on his next toss? Explain reasoning. would it be 50/50 because there are two sides asked on March 21, 2011 27. ## Chem. If 229 g of Pb(NO3)2 and 190 mL of 1.68 M aqueous NaI are reacted stoichiometrically according to the balanced equation, how many grams of Pb(NO3)2 remain? Round your answer to 3 significant figures. Pb(NO3)2(aq) + 2NaI(aq) → PbI2(s) + 2NaNO3(aq) asked on February 26, 2010 28. ## science why does the equator experience the same daytime highs all year round? asked on September 30, 2008 29. ## statistics A new treatment for AIDS is to be tested in a small clinical trial on 15 patients.The proportion p^ who respond to the treatment will be used as an estimate of the proportion p of (potential)responders in the entire population of AIDS patients. If in fact asked on February 15, 2008 30. ## business solutions formulate a solution that takes into account audience characteristics... requirements, and expectations? the scenerio I have tell 25 classmate that our trip has been canceled for mexico because the bus company filed bankruptcy and they will not be getting asked on July 20, 2006 31. ## Math Find f if f′(x)=2/x,x asked on April 16, 2019 32. ## Maths A single ordered data set includes the following data. 2, 4, 5, 6, 8, 10, x. What is the largest possible value of x if it is not an outlier? asked on April 29, 2017 33. ## Maths If the area of a square is reduced by a factor of 4, how have the sides changed? asked on April 22, 2017 34. ## Maths A,B,C are collinear points and AB=BC. If A is the point (4,5) and B is the point (1,-1) find the coordinates of C. asked on March 16, 2017 35. ## math 3.which one of these is a rational number a 150 b. 441 c. 200 d. 250## asked on February 15, 2017 36. ## ela PLE IVE ME RIGHT ANSWERS I REALLY NEED HELP 2. IN ONOMONIAPEIA WHAT dose the speaker mean to convey with the following lines Splash/splatters/scatters/spurts a. the water is not running b. the water is running regularly c. the water is running slowly d. the water is running irregularly 4. identify asked on February 10, 2017 37. ## math question An aeroplane flies at 800km/h for one third of its flight time and averages 700 km/h for the entire trip. What is the average speed, in kilometres per hour, over the remaining part of the journey? A. 600 B.750 C.650 D.500 E.625 Could you please explain in asked on January 22, 2017 38. ## Maths A cake is divided by removing at each cut one quarter of the cake present before the cut. after three cuts have been made, what is the fraction left of the original cake? Please explain in detail thank you asked on January 21, 2017 39. ## Math Monica stepped outside and began to think how fast she is moving even when she is standing still. Assume that the earth is a sphere with a radius of 3960 miles and Monica is at a latitude of 13∘N. What is Monica's speed due solely to the rotation of the asked on October 24, 2016 40. ## math a new statue with a circular base is being unveiled. The statue's base has a radius of 8 ft. What is the area of the base? Round to the nearest whole number. Use 3.14 for p. asked on March 11, 2016 41. ## World history How did the status of slaves in African society contrast with the Americas? What rights and opportunities were available to slaves in African but limited or prohibited in the Americas ? asked on December 4, 2015 42. ## Chemisty I need a recap of how to do the question below. I just need the basic guidelines: The enthalpy change for the reaction 2H2(g)+O2 > 2H2O is -571.6kJ. Determine the enthalpy change for the decomposition of 24.0g H2O. asked on June 26, 2015 43. ## math Landyn wants to mix concentrate and water together to make her juice. The juice is 15% concentrate and 85% water. Her pitcher can hold 12 cups of juice. How many cups of concentrate does she need? asked on March 25, 2015 44. ## Physics I don't completely understand what this question is asking: Three people are standing on a horizontally rotating platform in an amusement park. One person is almost at the edge, the second one is (3/5)R from the center, and the third is (1/2)R from the asked on December 15, 2014 45. ## physics A person sitting in a chair (combined mass 80kg) is attached to a 6m long cable. The person moves in a horizontal circle. The cables angle is 62 degrees below the horizontal. What is the persons speed? Note: the radius of the circle is not 6m. I really asked on December 15, 2014 46. ## Algebra what is the magnitude of a vector with an initial point (2,6) and a terminal point (14,11) asked on May 19, 2014 47. ## research How is the Spivak and Sharp (2008) study a replication of the prior study by Bales and colleagues (2005)? asked on March 14, 2014 48. ## math A fisherman has caught a 5kg fish with a line and is lifting it vertically out of the water. While the fish is still in the water he raises it at a constant speed of 0.4 ms^-1. If the water resists this motion with a force of 6N, what is the tension in the asked on October 26, 2013 49. ## physics three antinodes witha peak to peak displacement of 3 cm are observed on a vibrating string of length l and linear density the hanging mass is m what is the velocity of the propagation of transverse waves of the string asked on July 25, 2013 50. ## Physics 200 g of ic is at -5C is dropped into a container containing water at 65C. If the final temperature of the mixture reaches 21C, what mass of water must be present in the container? asked on July 22, 2013 51. ## statistics Do students tend to improve their SAT mathematics (SAT-M) score the second time they take the test/ asked on July 16, 2013 52. ## Math A simply supported beam is 6 meters long and has a mass of 15 kg/m of length. It carries loads = 180 N and 270 N at points 1.2 meters and 3.6 meters from the left end respectively. Find the reactions. asked on July 4, 2013 53. ## science physics 1.) What is the Magnitude of the electrostatic force on a +5 C charge 1.75 m to the left of a -2.5 C charge? (show your work) 2.) In What direction does the force on the +5 C charge act? 3.)Calculate the magnitude of the electric field of the -2.5 C charge asked on May 14, 2013 54. ## English Did you enjoy the Southern hospitality? What are the adjectives in that sentence? asked on January 9, 2013 55. ## Math 12th grade Find the sum of each infinite series, or state that the sum doesn'nt exist 1/7+5/14+25/28+ asked on December 16, 2012 56. ## ricon high school A 6 kg ball is thrown by a catapult at 30 m/s. what is the ball's momentum? asked on December 15, 2012 57. ## Statistics Tony’s father, an accountant, has been listening to Tony tell him about Type I errors and α = .05. He responds: “.05? That means you’re making an error one time in twenty! If I made errors 5 percent of the time I’d be out of a job so fast it would asked on December 2, 2012 58. ## programming Create an application in C# that will accept sales information and calculate the total bill. There are 3 products which can be sold: Product 1 with price of$2.98 Product 2 with price of $4.50 Product 3 with price of$9.75 The application should prompt the

asked on September 30, 2012
59. ## 2nd grade math

____= 8+2?

asked on September 26, 2012
60. ## math

Is 13/0 considered to be undefined?

asked on September 23, 2012
61. ## math

i have fewer ones than tens. the value of my tens is 30.what two numbers can i be

asked on September 5, 2012
62. ## Math

Please help: find the length of the curve 2y^2 = x^3 from the origin to x=10.

asked on August 21, 2012
63. ## Math

the acceleration of a particle is defined by the equation a= 4-t^2 with an initial velocity of two millimeters per second. Find the exact equation for the position of the particle if its initial position was zero.

asked on July 20, 2012
64. ## algebra

during the first part of a trip, a conoeist travels 70 miles at a certain speed. the canoeist travles 7 miles on the second part of the trip at a speed of 5 mph slower. the total time for the trip is 5 hrs. Ehat is the speed on each part of the trip?

asked on July 6, 2012
65. ## Calculus

x^2-5/x lim x=0^+

asked on April 26, 2012
66. ## calculus

Find the total differential for f(x,y,z)= cos(4x+3y+2z+1)

asked on April 23, 2012
67. ## calculus

Just doing example questions to better understand. Find all first and second partial derivatives for the function u= xy^2+x^2y

asked on April 23, 2012
68. ## PHI 103

In the truth table for an invalid argument

asked on April 14, 2012
69. ## calculus

find dy/dx if y= (x^5)(e^(x^4))

asked on March 6, 2012
70. ## algebra

Marlene drive 540 miles to visit friend. drive for 3 hours then stopped for gas, then drive 4 more hours stopped for lunch. how many more hours do I drive if my average speed for trip is 60 miles per hour ? How would I write an equation?

asked on December 8, 2011
71. ## MATH

MIKE HAS 2 MATS THAT ARE IN THE SHAPE OF TRIANGLES THE SCALE FACTOR OF THE 2 TRIANGULAR MATS IS 7/9 WHAT IS THE RATIO OF THE PERIMETERS?

asked on November 2, 2011
72. ## math

23x17 in expanded algorithm

asked on September 22, 2011
73. ## calculus

does the sequence a=(2n)! / n! converge? Explain

asked on September 1, 2011

A game is played using one die. There is a$1 charge to play the game. If the die is rolled and shows a five, the player receives$6 back ( a profit of $5 and the original$1). If any other number shows, theplayer loses the original $1. What is the player's asked on July 16, 2011 75. ## Statistics There are 6 batteries. Two are defective. If you pull out two batteries, what is the probability that neither are defective? Is this how you solve it? 4/6 X 3/5 asked on June 20, 2011 76. ## calc Let f(3) = 0, f '(3) = 6, g(3) = 1, and g '(3) = 1/3. If h(x) = f(x)*g(x), find h '(3). asked on April 30, 2011 77. ## calculus Choose the correct quantity to fill in the blank: Integral_______ dx = (ax2 - a2)4 + C. asked on April 30, 2011 78. ## calculus Choose the correct quantity to fill in the blank: Integral_______ dx = (ax2 - a2)4 + C. asked on April 30, 2011 79. ## Algebra Help please 12(74y - (6+5Y - 8Z) = Please show work asked on March 16, 2011 80. ## Algebra 12(74y - (6+5Y - 8Z) = Please show work asked on March 15, 2011 81. ## Algebra 12(74y - (6+5Y - 8Z) = Please show work asked on March 15, 2011 82. ## Algebra 12(74y - (6+5Y - 8Z) = Please show work asked on March 14, 2011 83. ## Math Mrs Sue thank you and you are the best asked on March 10, 2011 84. ## Math Does anyone know the old formula to calculate a hourly raise from a percentage; I totally forgot. The employee makes$10.50 an hour and is receiving a 1.1% increase.

asked on March 10, 2011
85. ## Chemistry

"A voltaic cell is constructed by immersing a strip of sillver metal in a 1.0 MAgNO3 solution and a strip of cadmium metal in a 1.0M Cd(NO3)2 solution. The circuit is completed by a wire and a salt bridge in the usual way. a. Write the balanced overall

asked on March 10, 2011
86. ## physics

Outside air generally contains some water vapor (typically 1-2% by mass). Does it take more, less, or the same heat to raise the temperature of 1kg moist air than is needed to raise the temperature of 1kg dry air by the same amount?

asked on February 8, 2011
87. ## physics

water 20 degrees celsius flows through a 25 mm diameter pipe at a rate of 50 liters per minute. is this laminar or turbulant flow or both?

asked on February 8, 2011
88. ## math

250mg is equal to what percent of a gram or grams

asked on February 1, 2011
89. ## Stats

Use this table to answer the questions. Height (in inches) Frequency 50-52 5 53-55 8 56-58 12 59-61 13 62-64 11 1. Identify the class width. 2. Identify the midpoint of the first class. 3. Identify the class boundaries of the first class. 4. Give the

asked on December 16, 2010
90. ## physics

Take the mass of the Earth to be 5.98 × 1024 kg. If the Earth’s gravitational force causes a falling 52 kg student to accelerate downward at 9.8 m/s2, determine the upward accelera- tion of the Earth during the student’s fall. Answer in units of m/s2.

asked on November 28, 2010

The company offers two types of sales: 1. Internet sales; 2. Store sales. The marketing research manager believes that the Internet sales are more than 10% higher than store sales. The null hypothesis would be: A. Pinternet–Pstore >.10 B.

asked on November 16, 2010

The company offers two types of sales: 1. Internet sales; 2. Store sales. The marketing research manager believes that the Internet sales are more than 10% higher than store sales. The null hypothesis would be: A. Pinternet–Pstore >.10 B.

asked on November 16, 2010
93. ## chemistry

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

asked on November 15, 2010
94. ## Physics

Block A and block B (see figure below) are forced together, compressing a spring (with spring constant k = 2220 N/m) between them 2 cm from its equilibrium length. The spring, which has negligible mass, is not fastened to either block and drops to the

asked on October 7, 2010
95. ## math

u divided by 7 =3

asked on September 11, 2010
96. ## Physics

A 1.10 kg} block of wood sits at the edge of a table, 0.790 m above the floor. A 1.10×10−2 kg} bullet moving horizontally with a speed of 725 m/s embeds itself within the block. What horizontal distance does the block cover before hitting the ground?

asked on August 3, 2010
97. ## Physics

A bullet with a mass of 4.0 g and a speed of 650 m/s is fired at a block of wood with a mass of 9.7×10−2 kg. The block rests on a frictionless surface, and is thin enough that the bullet passes completely through it. Immediately after the bullet exits

asked on August 3, 2010
98. ## Physics

A 90 kg astronaut and a 1100 kg satellite are at rest relative to the space shuttle. The astronaut pushes on the satellite, giving it a speed of 0.24 m/s directly away from the shuttle. Seven-and-a-half seconds later the astronaut comes into contact with

asked on August 3, 2010
99. ## Physics

Fairgoers ride a Ferris wheel with a radius of 5.00 {\rm m} . The wheel completes one revolution every 31.5 s What is the average speed of a rider on this Ferris wheel? If a rider accidentally drops a stuffed animal at the top of the wheel, where does it

asked on July 1, 2010
100. ## Physics

You shoot an arrow into the air. Two seconds later (2.00 {\rm s}) the arrow has gone straight upward to a height of 32.0 m above its launch point. What is the initial velocity and how long did it take for the arrow to reach 16.0 m above the launch point?

asked on June 30, 2010

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