Tuesday
September 2, 2014

Posts by KEVIN


Total # Posts: 944

math
a manufacturer markets 2 products. each unit of Product A requires 3 hours in the moulding department, 4 hours in the Paint Shop, 1 Hour in Finishing. Each unit of B requires 3 hours in moulding, 2 hours Painting, and 2 hours finishing. Each week there are 210 hours available ...
July 16, 2013

physics
actually it is false
June 12, 2013

science
How many grams of glucose C6H12O6 would you need to make 250 mL of 1.0M solution?
May 29, 2013

science
How many moles of sucrose C12H22O11 does 300 mL of a .10M sucrose solution contain?
May 29, 2013

math
I am a number with 2 more tens than one. I have 5 mores ones than hundreds. the sum of my digits is 18. What number I am?
May 13, 2013

Chemistry
If I used 100% larger sample mass of an unknown substance what effect would that have on the empirical formula that would be obtained?
May 13, 2013

Math
When Sarah takes the bus to work, the trip takes 30 minutes. When she takes the train to work, the trip takes 20 minutes. The average speed to the train is 15 mph faster than the speed of the bus. Find the distance to work.
May 9, 2013

Math
When Sarah takes the bus to work, the trip takes 30 minutes. When she takes the train to work, the trip takes 20 minutes. The average speed to the train is 15 mph faster than the speed of the bus. Find the distance to work.
May 9, 2013

Algebra
A test consist of 15 multiple choice questions, 12 true-false questions and 10 fill in the bland questions. you got 8 questions wrong. what percent of the answers were correct?
May 8, 2013

Spanish
The 1st Sentence is me trying to do the work and the second is the actual paragraph. I am trying to put the verb form into preterite or imperfect can you see if i am right? Thanks erase una vez una nina hermosa que se llamaia Capercuita roja todos los animales del bosque ser ...
May 8, 2013

Service management
An outpatient clinic has kept a record of walk-in patients during the past year. The table below shows the expected number of walk-ins by day of the week: The clinic has a staff of five physicians, and each can examine 15 patients a day on average. a. What is the maximum ...
May 8, 2013

Algebra 2
A culture started with 2,000 bacteria. After 6 hours, it grew to 2,200 bacteria. Predict how many bacteria will be present after 12 hours. Round to the nearest whole number.
May 7, 2013

Computers
Help guys..here is what I need.. and unfortunately I need this in like 2 hours...my computer crashed with all my work so please anyone help... Write a console application that has a furniture and appliance dealership needs you to create a sales screen to allow the salesperson ...
May 6, 2013

statistics
The duration of time it takes General Motors to build a car is normally distributed with a mean of 31 hours and a standard deviation of 2 hours. a) What is the probability that a single car, selected at random, will take between 28 and 34 hours? b) What is the probability that...
April 25, 2013

statistics
adult males have normally distributed heights with mean of 69.0 in and a standard deviation of 2.8 in. if a clothing manufacture decides to produce goods that exclude the shortest 12% and the tallest 12% of adult males, find the minimum and maximum heights that they will fit.
April 24, 2013

statistics
Suppose that the test scores for a college entrance exam are normally distributed with a mean of 450 and a standard deviation of 100. If a student is selected at random what is the probability that the student will score above 600?
April 24, 2013

Physics
Neglecting air resistance, how high could a 0.15kg baseball be thrown if it is throw straight up at a speed of 25m/s?
April 22, 2013

math
melissa walks 1 and a half miles to school. After school she walks 7 eights of a mile to the park. how many more miles does she walk to school?
April 18, 2013

Math (Percentage)
Chet bought a rug that cost $280. He had a coupon for a 10% discount. 1. How much money did he save with the discount? 2. How much did he pay for the rug?
April 10, 2013

algebra 2
f(x)= X-5 +2
April 5, 2013

Mathematics
Please help me !!!!!!!!!!!!!! a farmer wants to enclose a rectangular field he needs to put fence posts every 10 ft. how many posts will he need for 200 ft of fencing
March 31, 2013

Math
a farmer wants to enclose a rectangular field he needs to put fence posts every 10 ft. how many posts will he need for 200 ft of fencing
March 31, 2013

Calculus
F(x)= ln((3x+6)^4 (x^3 -2)^5 ) F'(x)=
March 23, 2013

physics
The real image produced by a concave mirror is found to be 0.303 times the size of the ob ject. If the distance from the mirror to the screen on which the image appears is 1.14 m, what is the focal length of the mirror? Answer in units of m
March 22, 2013

Math
a contractor's designing one side of an office building 48 feet in length the windows are each 5 feet long and will be placed Six feet apart and 5 feet from the end of the building wall how many windows can a contractor design
March 18, 2013

Math
the first one is on the link, but not the second one
March 16, 2013

Math
Evaluate the following indefinite integrals. Show all steps please A) ∫xe^x^2+10 dx b) ∫(1/2x+x)(ln(x)+x^2)^10 dx
March 16, 2013

Math
Optimization Problem A right circular cylindrical can of volume 128tπ cm^3 is to be manufactured by a company to store their newest kind of soup. They want to minimize the surface area of the can to keep costs down. What are the dimensions of the can with minimum surface ...
March 15, 2013

geometry
A pyramid has a square bottom, with an area equal to 64 squares meters. the height of the pyramid is 7 inches. if you start at the top of the pyramid and slide all the way down the middle of one of the sides how many feet will you move?
March 12, 2013

science
how much sugar is dissolved in 50grams of a solution if the solution is 20% sugar by mass
March 10, 2013

Math
Oh wait never mind I see why you don't need to do 1/2. Your trying to find the volume and thank you for your help you two are life savers!
March 5, 2013

Math
Dr.Jane and Ashley,But don't I need to divide it by 1/2 since its a triangular prism?
March 5, 2013

Math
The base of the skateboard ramp has an area of 2.3 m square meters the height of the ramp is 1.2 m find the volume of the rectangular prism? Can you help me Dr.Jane or Ms.Sue?!?
March 5, 2013

Math
there is no brackets for question 3. Although i am still confused. would you be able to give step by step solutions?
February 28, 2013

Math
Find the dy/dx for each of the following 1)y=ln(2x^6-15) 2)y= 3√ 2x^2-3x-1/5 3) y= x^4/x^2+1
February 28, 2013

trig
solve tan2x = -28/45 Thank you
February 28, 2013

math
How many btu's are absorbed when100 lbs of water is heated from 100f to200f
February 26, 2013

Algebra
On a math test, k students in the class averaged 80%. The remaining students in the class,q students, averaged 94% on the test. The class average on the test was 88%. Express the ration of k/q in simplest form.
February 25, 2013

Algebra
A large cube is formed by using many small 1"x1"x1" cubes. Once the large cube is formed, all the outside faces are painted. There are now exactly 27 small cubes that do NOT have any paint on any face. How many 1"x1"x1" cubes were used to form the...
February 25, 2013

Finance
Suppose that an insurance agent offers you a policy that will provide you with a yearly income of $40,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 5% compounded annually?
February 24, 2013

Algebra
Suppose that an insurance agent offers you a policy that will provide you with a yearly income of $50,000 in 30 years. What is the comparable salary today, assuming an inflation rate of 5% compounded annually?
February 24, 2013

Calculus
Question 1. A stuntman falls from a hot air balloon that is hovering at a constant altitude,100 feet above a lake. A television camera on shore, 200 feet from a point directly below the balloon,follows his descent. At what rate is the angle of elevation, theta, of the camera ...
February 22, 2013

math
In a recent survey, it was determined that 1 out of 500 people had more then 6 siblings, based on this statistic what percent of people have more than 6 siblings? Please show me how to solve this!!!
February 20, 2013

math
reduce 3ar/t
February 14, 2013

math
solve x (proportion) 2r:3t= x:6a
February 14, 2013

Statistics
1. Each of 4 people is presented with gourmet coffee and ordinary coffee and asked to identify the gourmet coffee. None of the 4 can really tell the difference and are merely guessing. a. What is the probability that exactly 2 of the 4 correctly identify the gourmet coffee? b...
February 12, 2013

Physics Conservation of Energy
During a rockslide, a 740 kg rock slides from rest down a hillside that is 500 m long and 300 m high. The coefficient of kinetic friction between the rock and the hill surface is 0.18. (a) If the gravitational potential energy U of the rock-Earth system is set to zero at the ...
February 10, 2013

Physics Conservation of Energy
During a rockslide, a 740 kg rock slides from rest down a hillside that is 500 m long and 300 m high. The coefficient of kinetic friction between the rock and the hill surface is 0.18. (a) If the gravitational potential energy U of the rock-Earth system is set to zero at the ...
February 10, 2013

Physics
An electron is projected with an initial speed of (1.6x10^6 m/s) into the uniform field between two parallel plates. Assume that the field between the plates is uniform and directed vertically downward, and that the field outside the plates is zero. The electron enters the ...
February 5, 2013

english
Just because they are gay, it doesn’t mean they are wrong or weird, it just means they feel a different way about their own genders.
February 2, 2013

english
i need help, i am writing a paper on gay marriage. I need to write a compound-complex sentence on it too. help!
February 2, 2013

Computer (C)
I need help with c programming, i need to fill in the code and I got these (need help with question 4), I run the grader and I only got question 1 right. grader code: gcc worksheet.c; ./a.out 0; if [ $? -eq 0 ] then echo 'Question 0 Correct'; else echo $? 'is not ...
February 1, 2013

geometry
The verticles of triangles BAD are B(1,3) A(7,5) and D (9.-3). If E is the midpoint of segment BA and F is the midpoint of segement AD show that a. segement EF is parallel to BD b. Ef = 1/2BD
January 29, 2013

Physics
A point particle that has a charge of 12.5 µC is located at x = 0, y = 0 and a point particle that has a charge q is located at x = 10.0 cm, y = 0. The electric force on a point particle that has a charge of 5.0 µC at x = 20.0 cm, y = 0 is -(19.7) N . Determine the...
January 29, 2013

Physics
A point particle that has a charge of 12.5 µC is located at x = 0, y = 0 and a point particle that has a charge q is located at x = 10.0 cm, y = 0. The electric force on a point particle that has a charge of 5.0 µC at x = 20.0 cm, y = 0 is -(19.7) N . Determine the...
January 29, 2013

ENGLISH (thanks)
so how should i explain this
January 14, 2013

ENGLISH (thanks)
how is that interpretation above
January 14, 2013

ENGLISH (thanks)
In every story there is always someone that represents the wrong traits and the right traits of a person. Right vs wrong.
January 14, 2013

ENGLISH (thanks)
"All Conflict in its simplest form its struggle between good and evil. I need a good interpretation. I cant use good and evil in the interprestation. There needs to be another word for good and evil. I dont know how to interpret without good and evil.
January 14, 2013

chemistry
electrostatic interaction is important with what type of bond
January 14, 2013

math
5/6 x 10/23 how do i find the simplest form. thank you
January 12, 2013

physics
A batted baseball, which leaves the bat at an angle 〖30〗^0 above the horizontal, is caught by an outfielder 120m from the plate. a.) What is the initiated velocity of the ball? b.) How high did it rise? c.) How long was it in the air? my friend asked that ...
January 9, 2013

Math
A bag holds 57 green and blue marbles. There are 13 more blue marbles then green marbles. How many marbles of each color are there?
January 7, 2013

math
A community center has 3 tennis teams and 5 basketball teams. No one is on both teams. How many athletes are there?
January 2, 2013

Queen Elizabeth 1
I did read what ms sue put. but I don't want to have to beat around the bush for answers. I have been reading and watching vids for the last couple hours. i don't expect anyone to write my assignment for me. i would however appreciate it if someone made it a little ...
December 19, 2012

Queen Elizabeth 1
Identify at least two actions of the Queen that permitted a diversity of ideas and cultural practices within the empire. Identify any actions that reflected intolerance. thanks in advance
December 19, 2012

World History-HELP!!!!!!!!!!!!!!!!!!!
I didn't copy and paste it, I paraphrased but if you still want me to cite it I can. :)
December 19, 2012

World History-HELP!!!!!!!!!!!!!!!!!!!
thank you taylor!!!
December 19, 2012

World History-HELP!!!!!!!!!!!!!!!!!!!
could you give me anything easier?
December 19, 2012

World History-HELP!!!!!!!!!!!!!!!!!!!
***instead of any actions it should be 2-3 actions for both.
December 19, 2012

World History-HELP!!!!!!!!!!!!!!!!!!!
what are 2 actions of Queen Elizabeth 1 that benefited or protected the people? Identify any actions that endangered or compromised the well-being of the people.
December 19, 2012

Math
John says he can make three rectangles of different sizes each out of 16 tiles
December 17, 2012

Chemistry
213,000 years
December 11, 2012

Science- Chemistry
Determine the type of bonding in each substance. a. Zinc, Zn (s) b. Propane, C3H8 (l) c. Calcium Carbonate, CaCO3 (s)
December 11, 2012

math
7.86x4.6
December 5, 2012

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 barrel. The rifle is...
December 5, 2012

Chemistry
What hybrid orbital is the result of mixing a 1s orbital and 2p orbitals?
December 3, 2012

Chemistry
What is the electronic geometry of a central atom with 4 electron pairs?
December 3, 2012

pre algrbra
a=16
November 28, 2012

Physics
A warehouse employee used a cable to pull a 125 kg crate across the floor. the angle between the cable and the floor was 25°. The magnitude of the pulling force was 185 N. The coefficient of kinetic friction between the crate and the floor was 0.27. A)What was the weight ...
November 27, 2012

Algebra
Have a couple questions was wondering if someone could check my work? 1. What are the real or imaginery solutions of the polynomial equation? x^4-41x^2=-400 (x^2-25)(x^2-16) x^2=25 or x=+-5 x^2=16 or x=+-4 2. Use synthetic division to find P(-3) for P(x)=x^2-2x^3-4x+4 this one...
November 26, 2012

algebra
I need someone to check my work not sure if I'm doing this right. The design of a digital box camera maximizes the volume while keeping the sum of the dimensions at 6 inches. If the length must be 1.5 times the height, what should each dimension be? HINT: Let x represent ...
November 26, 2012

algebra
I NEED HELP!! The table shows the annual consumption of cheese people in the United States foor selected years in the nineteenth century. What cubic model best fits this data? Year Pounds Consumption 1915 4.156 1922 4.857 1946 7.16 1991 29.989
November 26, 2012

Chemistry105
How many grams of NaCI are therein exactely 25.00 mL of a 0.1053 M solution of the salt?
November 25, 2012

Chemistry
Thank you so much!
November 18, 2012

Chemistry
Ca(OH)2 has a Ksp of 6.5 x 10^-6. If 0.37 g of Ca(OH)2 is added to 500 mL of water and the mixture is allowed to come to equilibrium, will the solution be saturated?
November 18, 2012

Algebra
Ray and Stella are both given jobs by the same company. Ray is to be paid a basic salary of $3000 each month. He will get a raise of $100 after the first month and every month thereafter he will get a raise of $100 more than the preceding month. Stella will be paid a basic ...
November 18, 2012

Algebra
Barbara and her husband take a trip on a highway, a distance of 600 miles. They intend to average 60 m.p.h. and take 10 hours. However, they take 11 hours due to construction. When they encounter the construction, they reduce their speed to 40 m.p.h. and proceed at this speed ...
November 18, 2012

Algebra
Jamie ran two laps around a track in 99 s. How long did it take him to run each lap if he ran the first lap at 8.5 m/s and the second at 8.0 m/s?
November 16, 2012

Algebra
Jan can run at 7.5 m/s and Mary at 8.0 m/s. On a race track Jan is given a 25m head start, and the race ends in a tie. How long is the track?
November 16, 2012

Algebra
Jan can run at 7.5 m/s. On a race track Jan is given a 25m head start, and the race ends in a tie. How long is the track?
November 16, 2012

calculus
1)A function g is defined for all real numbers and has the following property: g(a+b) - g(a) = 4ab+2b2 find g'(x) A)4 B)-4 C)2x^2 D)4x E)does not exist not so sure where to start 2)If d/dx[f(x)] = g(x) and d/dx[g(x)] = f(3x, then d^2/dx^2 [f(x^2)] is A)4x^2 f(3x^2) + 2g(x^...
November 15, 2012

math
kevin has a rabbit,a ferret,a gerbil,and a turtle. he feeds them in a different order every day. in how many different orders can kevin feed his pets
November 13, 2012

Physics Lab Question, Help Please
Two speakers, A and B, are emitting identical, synchronized (in-phase) sound waves at 240kHz. A person standing a point C hears a relatively loud sound. She then starts walking towards point D, and notices the sound gets quieter, reaching a minimum when she arrives at D. The ...
November 12, 2012

Algebra
An apple orchard charges a fixed amount for the first four bushels of apples purchased and an extra amount for each additional bushel purchased. If the cost of 11 bushels of apples is $33 and the cost of 19 bushels is $55, what is the fixed charge for the first four bushels of...
November 10, 2012

physics
4.0
November 8, 2012

math organized list
tonya and lauren are desinging a soccer uniform they want to use two colors on the shirt their choices are green orange yellow purple blue and silver how many ways can they choose two colors?
November 8, 2012

math algebra
Mrs. martinez has $10,000 to invest.One bank offers her a return of 7.5% on the whole sum. Another bank offers her a return of 8% on part of the sum, and 6% on the rest of the sum. How much of the $10,000 would need to be invested at 8% at the second bank, for the overall to ...
November 7, 2012

Trigonometry
How do u find the angles of a triangle whose sides are in the ratio 2:4:5?
November 6, 2012

Physics
how much potential energy does Tim, with a mass of 62.0kg, gain when he climbs a gymnasium a distance of 3.8m?
November 5, 2012

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