Tuesday
October 21, 2014

Posts by Casey


Total # Posts: 580

math
(X+2Y)+6X(X-2Y)+8X
July 18, 2013

AP Calculus
An open box is to be made from cutting squares of side 's' from each corner of a piece of cardboard that is 35" by 40". (a) Write an expression for the volume, 'V', of the box in terms of 's'. (b) Draw a graph of V(s). (c) State the domain and...
July 17, 2013

Algebra
thank you
June 17, 2013

Algebra
What is the factored form of 6x^4-21x^3-12x^2 ?
June 17, 2013

Algebra
Thank you to all
June 6, 2013

Algebra
A ball is thrown into the air. The height h, in feet, of the ball can be modeled by the equation h= -16t^2+20t+6, where t is the time, in seconds, the ball is in the air. When will the ball hit the ground? first should I use x= -b/2a?
June 6, 2013

Algebra
Sorry, I accidently clicked it an extra two times
April 23, 2013

Algebra
A circular mirror is surrounded by a square metal frame. The radius of the mirror is 5x. The side length of the metal frame is 15x. What is the area of the metal frame? Write your answer in factored form.
April 23, 2013

Algebra
A circular mirror is surrounded by a square metal frame. The radius of the mirror is 5x. The side length of the metal frame is 15x. What is the area of the metal frame? Write your answer in factored form.
April 23, 2013

Algebra
Thank you
April 23, 2013

Algebra
A circular mirror is surrounded by a square metal frame. The radius of the mirror is 5x. The side length of the metal frame is 15x. What is the area of the metal frame? Write your answer in factored form.
April 23, 2013

Algebra
How are the processes of adding monomials and adding polynomials alike? How are the processes different?
April 22, 2013

Algebra
Thank you.
April 8, 2013

Algebra
the angle of elevation from bottom to the top of the mountain has a measure of 60 degrees. suppose a ski lift to the top is 2000 feet long. how high is the mountain to the nearest feet? Am I suppose to find the sine of 60?
April 8, 2013

ABC
Do you mean how many integers are in between 21 and 47 inclusive?
April 8, 2013

AP Chemistry
Nevermind . . . the G value for Br2 isn't 0, which was throwing off my calculations. The answer ended up being 4.96x10^-20
April 8, 2013

AP Chemistry
So I have the reaction 2HBr(g) <--> H2(g)+Br2(g) I'm supposed to find the equilibrium constant, K, using free energy (G) values. The values in my textbook for G of H2 and Br2 were zero, and the value for HBr(g) was -53.5. So, to find delta G I did products - ...
April 8, 2013

MATH
But then when i try to factor i get 0=t^2-3t-12
April 7, 2013

MATH
WAIT ITS t^2 NOT 3t^2
April 7, 2013

MATH
Logv3(12) = logv3 (3t^2) - logv3 (3t) (the v means "log 3"- 3 is the base)
April 7, 2013

Math
Questions 22 , 23
March 31, 2013

physics
a proton (mass 1.67 x 10^-27 kg) with a velocity of 1.10 x 10 7 m/s collides with a motionless helium nucleus, and the proton bounces back with a speed of 6.00 x 10 6 m/s. The helium nucleus moves forward with a velocity of 4.00 x 10 6 m/s after the bombardment. What is the ...
March 24, 2013

chemistry
what is the molarity of a sodium hydroxide solution if 26.0mL of the solution os titrated to the end point with 57.5mL of a 0.500M hydrochloric acid solution
March 8, 2013

Math
A population of 75 foxes in a wildlife preserve quadruples in size every 15 yr. The function y= 75 * 4^x , where x is the number of 15 yr periods, models the population growth. How many foxes will there be after 45 years?
March 7, 2013

math
The answer is 280cm2, ill explain why... the picture's length is 60cm. The frame is 5 cm wide so u have to add five centimeters to the left and to the right which equals ten centimeters. 60+10=70cm. now you have to multiply four to it which = 280cm2 There.:D
February 28, 2013

Algebra
thank you
February 26, 2013

Algebra
Exponents: Simplify the expression 7ab^-2 / 3w I got 7a3w / b^2 Is this correct?
February 26, 2013

Trig
Whoops nevermind. I was thinking if they were 11pi/6 and -pi/6.
February 19, 2013

Trig
Is the angle 11pi/12 on the unit circle the same as the angle -pi/12? I'm thinking it would be, but I'm not sure.
February 19, 2013

physics
A 21.0-g metal cylinder is placed on a turntable, with its center 85 cm from the turntable's center. The coefficient of static friction between the cylinder and the turntable's surface is ìs = 0.83. A thin, massless string of length 85 cm connects the center of ...
February 17, 2013

math 5th
its 60 yards
February 12, 2013

Algebra
Solve the system of inequalities. y<2x+4 -3x - 2y> 6 So I just want y alone. For the second inequality, I added 3x to both sides and got -2y> 3x+6. Then I divided both sides by -2. I got y> -3/2 - 3 Do I have to switch the inequality symbol or something?
February 12, 2013

algebra
Write an inequality that describes the region of the coordinate plane not included in the graph of y<5x+1
February 7, 2013

Algebra
x+y=x-5 I want to get y alone on one side, so if I subtract x from both sides, what would be x - x?
January 22, 2013

Alegbra
Suppose the modified quota is 2.77. Fill in the blanks, and round your answers to two decimal places. (a) Find the lower quota. (b) Find the upper quota. (c) Find the arithmetic mean of the lower and upper quotas. (d) Find the geometric mean of the lower and upper quotas. (e) ...
December 23, 2012

math
what is the lcm of 11 5 and 4 please help
December 13, 2012

Physical Science
Greyhounds can accelerate at 7/m/s2 at a start of the race . How much force does it take a 35 kg dog to produce this acceleration?
December 11, 2012

Physical Science
How much force is required to give a 500kg crate an acceleration of 2 m/s2 on an icy surface without friction?
December 11, 2012

Physical Science
an object with a mass of 50kg is hurled at an acceleration rate of 30 m/s2. How much force was applied to the object?
December 11, 2012

physical Science
How much force is required to give an object with mass of 20kg an acceleration of 12m/s2 ?
December 11, 2012

physical science
on hole 9,Bill hit a golf ball. The golf ball weights 0.45 kg.The acceleration on the ball was 4/m/s2. What was the force of Bill swing?
December 11, 2012

Physical Science
Bill hit a ball with an acceleration of 40 ms2.The mass of the ball is 0.5kg. What is the force?
December 11, 2012

Algebra
Terrance skated 8 feet in 4 seconds at a constant rate how fast did he skate in feet per second
December 10, 2012

biology
Stem cells may open the door to discoveries about many diseases and may allow treatments for diseases to be developed. However many ethical issues surround stem cell research which need to be addressed by scientists, governments, etc. a. Explain why scientists would want to ...
December 9, 2012

stem cells
Stem cells may open the door to discoveries about many diseases and may allow treatments for diseases to be developed. However many ethical issues surround stem cell research which need to be addressed by scientists, governments, etc. a. Explain why scientists would want to ...
December 9, 2012

physics
A 20.0kg solid gold statue is raised from the sea bottom. What is the tension in the hoisting cable (assumed massless) when the statue is accelerating upward at 2m/s^2? (assume the statue is still completely underwater) The density of gold is 19.6x10^3kg/m^3
December 9, 2012

physics
A U-shaped tube contains a fluid of density 1.5x10^3 kg/m^3. the right side of the tube is closed, with vacuum above the fluid. The left side of the tube is open to the atmosphere. Assume the atmospheric pressure outside the tube is exactly 10^5 Pa. a) How much higher will the...
December 9, 2012

Math
set the equation to 0 and solve for t. you may have to use the quadratic formula...
December 9, 2012

Math
A rectangle is 6 cm long and 5 cm wide. When each dimension is increased by x cm, the area is tripled. Find the value of x.
December 6, 2012

Physics
A force of 310 N is applied horizontally to a crate in order to displace the crate 45.0 m across a level floor at a constant velocity. As a result of this work, the crate's internal energy is increased by an amount equal to 12 percent of the crate's initial internal ...
December 4, 2012

math
(1) 9.6 dividedby 1.2=8 (2) 57.8 divided by 3.4= 17 (3) 2.3 divided by 21.643= 941 (4) 0.51 dividd by 0.459= 9 (5) 0.16 divided by 3.8= 23 remainder 12 (6) 0.78 divided by 15.6= (7) 0.048 dividedby 7.2=150.0 help Ms. Sue
November 29, 2012

MATHS
thanks
November 27, 2012

MATHS
Find the area of the region bounded by the curve of sin x between x = 0 and x = 2π.
November 27, 2012

MATHS
A committee of two persons is selected from two men and two women. Find the probability that the committee will have at least one man.
November 27, 2012

Algebra 1
Find the final amount of an investment if $2,000 is invested at an interest rate of 8% compounded quarterly for eight years. Please and thank you! I`ve been having so much trouble with this question. Thank you!
October 22, 2012

Physics
Angela, you so fine<3
October 22, 2012

Math. Increases again
The worlds pop in 1970 is estimated to be 3.7*10^9. The yearly growth rate is approximately 2%. How large would the world's pop be in 1980? Would i use log functions? please help.
October 13, 2012

Math. Increases
Do I do log functions for this question?
October 13, 2012

Math. Increases
The worlds pop in 1970 is estimated to be 3.7*10^9. The yearly growth rate is approximately 2%. How large would the world's pop be in 1980? Please show work. Thanks :)
October 13, 2012

Algebra 2
The excursion boat on the river takes 2½ hours to make the trip to a point 12 miles upstream and to return. If the rate at which the boat travels in still water is 5 times the rate of the river current, what is the rate of the current? Which of the following equations ...
October 13, 2012

Math.. due tomorrow morning!
Assume that each female rabbit of a colony gives birth to three female rabbits. How many female rabbits of the tenth generation will be descendants of a singal rabbit of the first generation?
September 30, 2012

Math. i need help!
Assume that each female rabbit of a colony gives birth to three female rabbits. How many female rabbits of the tenth generation will be descendants of a singal rabbit of the first generation?
September 30, 2012

physics
The three vectors in the figure below have magnitudes a = 2.45 m, b = 3.15 m, and c = 15.0 m and angle θ = 36.5° find x component of vector a
September 30, 2012

Math
Assume that each female rabbit of a colony gives birth to three female rabbits. How many female rabbits of the tenth generation will be descendants of a singal rabbit of the first generation?
September 30, 2012

Chemistry
Suppose the atmospheric pressure during the experiment was 751 mmHg. The temperature of the water was found to be 23.0 degrees celsius. What is the pressure of the oxygen gas, Po2 that is produced?
September 27, 2012

Math
round each number to the place of the underlined digit 165,023,912 the one is underline?
September 17, 2012

Chemistry
An automobile gasoline tank holds 20.0 gal when full. How many pounds of gasoline will it hold if the gasoline has a density of 0.560 g/mL?
September 10, 2012

Ss
In the late 1800s mant industrialists set up welfare institutions and organizations.to help the urban poor?
August 3, 2012

Finance Management
CASE STUDY 1 please read the continuing case at the end of Chapters 1 and 2 in your textbook. After studying the Chapter 1 case, respond to the following: 1.At which level do some of the basic functions (cost accounting, reporting tax, patient accounts and billing, accounts ...
July 16, 2012

intro chem
What is the mass of carbon dioxide produced if 1.95 g sodium carbonate is used?
July 15, 2012

social studies/ history
thank you
May 19, 2012

social studies/ history
Oh!!!! Ms.Sue, the question said "Explain the Iroquoise pollitical system".
May 19, 2012

social studies/ history
OK THANK YOU FOR ANSWERING QUESTION NUMBER 2 THOUGH
May 19, 2012

social studies/ history
the homework never said wether it was kinship.All it said was iroquois system.
May 19, 2012

social studies/ history
1) Explain the Iroquois system. 2) How did the Europeans change the ways of life of the Plains Indians. Help! And no links please since I am in a rush, I have to pick someone up.
May 19, 2012

Calculus Max/Min Prob
At 7:00 am, one ship was 60 miles due east from a second ship.If the first ship sailed west at 20 mph, and the second ship sailed southeast at 30 mph, at what time are they closest together?
May 10, 2012

chemistry
write and equation for the reaction of triethylamine and water. does the eqilibrium go to the right or left. so far what I have is C6H15N + H2O but I'm not sure of the products
April 12, 2012

chem
why is the solubility of benzoic acid dependent on pH?
April 12, 2012

Math
A contractor gives a quote of $21,060 to build an 18 foot by 24 foot barn. What is the building cost per square foot?
April 8, 2012

chemistry
For the theoretical yield, I used the mass of acetic anhydride. Was I supposed to use the mass of salicylic acid (which was 2.00 g) instead? acetic anhydride + salicylic acid ---> acetic acid +acetylsalicylic acid
April 4, 2012

chemistry
I have to find the theoretical yield of acetylsalicylic acid in the exeriment? I used 5.0 mL acetic anhydride which is about 5.40 grams. When I calculated the theoretical yield, I got 9.53 grams. Is this number correct?
April 4, 2012

Accounting
Identify each statement as true or false. If false, indicate how to correct the statement. 1. Depreciation is a process of asset valuation, not cost allocation. 2. Depreciation provides for the proper matching of expenses with revenues. 3. The book value of a plant asset ...
April 2, 2012

Calculus
derivative of y=ln2^x please help, I am getting the wrong answer every time
March 29, 2012

Math
I have solved the following and I am writing just their answers with it, please let me know if these are correct. thanks 1. Simplify, and write in the base of 3: (9^x . 3^4x)^2 answer: 3^12x 2. Differentiate and simplify y= (e^x - 1) / x^2 answer: (xe^x - 2e^x +2) / x^3
March 25, 2012

Chemistry(Please help)
just copy and paste your question into google and the exact same question pops up on the first link. the post you posted before is the 3rd link down.
March 14, 2012

chem-carbs
D-ribose is treated with a mild oxidizing agent. What is the product of this reaction?
March 12, 2012

chemistry
predict the solubility of 2-propanol in dichloromethane and in water. Can someone explain how they came to their conclusion because I just dont understand how to determine solubility.
March 8, 2012

Calculus- please help
A sporting goods store sells 100 pool tables per year. It costs $20 to store one pool table for a year, based on the average inventory on hand. It costs $40 for each delivery of pool tables. How many times per year and in what lot size should the store order pool tables to ...
March 4, 2012

Calculus
A sporting goods store sells 100 pool tables per year. It costs $20 to store one pool table for a year, based on the average inventory on hand. It costs $40 for each delivery of pool tables. How many times per year and in what lot size should the store order pool tables to ...
March 3, 2012

Calculus
are you sure its 17?
March 3, 2012

Calculus
A sporting goods store sells 100 pool tables per year. It costs $20 to store one pool table for a year, based on the average inventory on hand. It costs $40 for each delivery of pool tables. How many times per year and in what lot size should the store order pool tables to ...
March 3, 2012

Calculus
Thanks
March 3, 2012

Calculus
Q. An open-top box with a square base is to have a volume of 62.5 square inches. What dimensions will yield the box of minimum surface area? I am getting 5" by 2.5" but not sure.
March 3, 2012

Calculus
A swimming pool is 40 feet long, 20 feet wide, 8 feet deep at the deep end, and 3 feet deep at the shallow end; the bottom is rectangular. If the pool is filled by pumping water into it at the rate of 40 cubic feet per minute, how fast is the water level rising when it is 3 ...
March 2, 2012

Accounting
In its first month of operations, Cisler Company made three purchases of merchandise in the following sequence: (1) 300 units at $6, (2) 400 units at $8, and (3) 500 units at $9. Assuming there are 200 units on hand at the end of the period, compute the cost of the ending ...
February 27, 2012

Accounting
In its first month of operations, Cisler Company made three purchases of merchandise in the following sequence: (1) 300 units at $6, (2) 400 units at $8, and (3) 500 units at $9. Assuming there are 200 units on hand at the end of the period, compute the cost of the ending ...
February 27, 2012

Accounting
In its first month of operations, Cisler Company made three purchases of merchandise in the following sequence: (1) 300 units at $6, (2) 400 units at $8, and (3) 500 units at $9. Assuming there are 200 units on hand at the end of the period, compute the cost of the ending ...
February 26, 2012

math
mrs.sue.....are you there???
February 20, 2012

math
Rules:Determine wether the two expressions are equivalent.If so,tell what property is applied.If not, explain why. 1)18 x 1 and 18 2)7 + 0 and 7 3)0 + 12 and 0 can someone please explain to me why these expressions are not equivalent. I know that these are examples of Identity...
February 20, 2012

Ground School: airport operations
Read Read Read you retard!!! and then you will surely pass your test!!
February 20, 2012

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