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December 21, 2014

Posts by dEE


Total # Posts: 763

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. 24 rode in a carpool. 33 rode public transportation. 5 used both carpools and public ...
February 14, 2012

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. 24 rode in a carpool. 33 rode public transportation. 5 used both carpools and public ...
February 13, 2012

physics
An 845 N sled is pulled a distance of 180 m. The task requires 1.38 x 104 J of work and is done by pulling on a rope with a force of 122 N. The rope is held at _____° above the horizontal.
January 24, 2012

Physics 2
A 10 g bullet is fired into, and embeds itself in, a 2 kg block attached to a spring with a force constant of 19.6 n/m and whose mass is negligible. How far is the spring compressed if the bullet has a speed of 300 m/s just before it strikes the block and the block slides on a...
January 20, 2012

physics
Nuclei that has the same number of protons, but may contain diff number of neutrons.
January 20, 2012

Science
c thick carpet
January 11, 2012

algebra
(1-(1/x)) / (1-x) = ? please help i don't know what to do next.....
January 11, 2012

Math
-x=-20+3y x=20-3y 5(20-3y)+3y=40 100-15y+3y=40 100-12y=40 -12y=-60 y=5 -x-3(5)=-20 -x-15=-20 -x=-5 x=5 check -5-3(5)=-20 -20=-20 5(5)+3(5)=40 25+15=40 40=40
January 11, 2012

math
42/16 21/8
January 11, 2012

Health
what are the legal consequences of using steroids illegally.
January 3, 2012

math
3x+9y=-9, -x-y=9
December 8, 2011

statistics
If a population has a standard deviation ó of 25 units, what is the standard error of the mean if samples of size 100 are selected?
December 2, 2011

Statistics
What is the confidence interval for c= 0.95 x = 5.3, s = 0.5 , and n =53
December 2, 2011

statistics
Find the area under the standard normal curve for the following: (A) P(z < -1.80) (B) P(-1.93 < z < 0) (C) P(-0.17 < z < 2.05)
November 30, 2011

Accounting
how and what do I post from the cash receipts journal to the general journal
November 28, 2011

statistics
0.99
November 27, 2011

Physics
Gas is confined in a tank at a pressure of 11 ATM and a temperature of 25 degree Celsius. If 2/3 of the gas is withdrawn and the temperature is raised to 75 degree Celsius, what is the new pressure in the tank?
November 26, 2011

statistics
e Chebyshev’s theorem to find what percent of the values will fall between 226 and 340 for a data set with a mean of 283 and standard deviation of 19.
November 13, 2011

statistics
Why should we check if your data is binomial?
November 13, 2011

statistics
give an example where the median would be less than the mean.
November 11, 2011

statistics
given 100,90,80,75,70,60,30,25,5,4 what score corresponds to the 70th percentile?
November 11, 2011

social and criminal justice
Hello I have a 2 to 3 page paper due on Monday 11/14, 2011 and I am having trouble finding good reliable information to complete the assignment. The instructions are to: Prepare a paper identifying at least three changes expected in the field of criminal justice over the next...
November 11, 2011

math
relative frequency distribution
November 7, 2011

math
a rectangular table measures 3/5 of a meter long by 1/7 of a meter wide. what is the area
November 5, 2011

Algebra II
b/3 + 6=82
November 5, 2011

Physics
a student attaches a mass to the end of a 0.80 m string. The system will be whirled in a horizontal circular path at 31.5 m/s. The maximum tension the string can withstand without breaking is 250 N. What is the maximum mass the student can use?
November 1, 2011

physics
a jet plane flying at 550 m/s makes a curve. The radius of the circle in which the plane is flying is 9.0 X 10^3 m. What centripetal acceleration does the plane experience? Express this acceleration relative to g, the acceleration due to gravity.
November 1, 2011

Physics
The average distance separating earth and moon is 384000 km. What is the net gravitational force exerted by earth and moon on a 3.00 * 10^4 kg spaceship located halfway between them.
November 1, 2011

Physics
A vehicle is travelling at 25.0 m/s. It brakes provide an acceleration of -3.75 m/s^2[forward]. What is the driver's maximum reaction time if she is to avoid hitting an obstacle 95.0 m away? the answer is a number less than 0.5 second. can you tell me the exact number and ...
October 31, 2011

law
describe the implied powers doctrine.
October 18, 2011

geometry
If the base of an isosceles triangle has a length of 10, what is the shortest possible integral value for the length of each of the congruent sides?
October 17, 2011

Physics
Starting from rest, a 5.00 kg block slides 2.50 m down a rough 30.0 degree incline. The coefficient of kinetic friction between block and the incline is .436. Determine the work done by the friction force between block and incline and the work done on the normal force
October 13, 2011

MATH
B= 5 (given) L=h+1= 8 H= 7
October 12, 2011

Algebra
I got 1.12/.55 .05 x-.6x+1.2= .08 -.55x= -1.12 -1.12/-.55
October 12, 2011

Basic Communication Skills
Environment? Location?
October 12, 2011

math
21/3=7 answer 7
October 12, 2011

Physics please help
Starting from rest, a 5.00 kg block slides 2.50 m down a rough 30.0 degree incline. The coefficient of kinetic friction between block and the incline is .436. Determine the work done by the friction force between block and incline and the work done on the normal force?
October 12, 2011

math
-31 and 0
October 12, 2011

algebra
Is that suppose to be 2X or X^2
October 12, 2011

math
Negative
October 12, 2011

math
B+4=g B+g=18 b+b+4=18 2b=18-4 2b=14 b=14/2 b=7
October 12, 2011

Physics
Starting from rest, a 5.00 kg block slides 2.50 m down a rough 30.0 degree incline. The coefficient of kinetic friction between block and the incline is .436. Determine the work done by the friction force between block and incline and the work done on the normal force?
October 12, 2011

chemistry
Change 427 ml to liters Multiply liters and the molarity (1.73) and ur answer will be in moles Find the molar mass of k3po4 then convert your moles to grams using the molar mass
October 12, 2011

chemistry
Convert the grams to moles by using the molar mass then convert ml to liters M= mol/liters
October 12, 2011

Science
One big bird nest
October 11, 2011

ANSWERS FOR TEACHER AID TEXT 02604500
ANSWERS FOR TEACHER AID TEST 02604500
October 11, 2011

chemistry 105
13
October 10, 2011

physics
Add the masses on the bottom not subtract..sorry I hit the wrong button
September 28, 2011

physics
T= (2gm1m2)/(m1-m2) A= g(m1-m2)/m1+m2 D= 1/2at^2
September 28, 2011

Physics
Ok I tried an didn't even come close to the right answer.
September 28, 2011

Physics
The coefficient of static friction between the 3.00 kg crate and the 35.0 degree incline is .300. What minimum force must be applied to the crate from sliding down the incline?
September 28, 2011

physics
-15.00 m/s= Voy- 1/2(10.0 m/s) (.20 sec)^2 Voy = initial velocity and is equal to 0
September 28, 2011

Physics
Thank you!!
September 28, 2011

Physics
Two objects with masses of 3.00 kg are connected by a light string that passes over a frictionless pulley.what is the distance each object will move in the first second of motion if both objects start from rest.
September 28, 2011

Media Influences on America
Bill Goodykoontz states that media and popular culture often understand society better than straight coverage. Why is this so? Can you name any examples?
September 27, 2011

physics
The sum of two forces, one having a magnitude of 8 N acting due west and other having a magnitude of 6 N acting due north is ___. What is the magnitude of that force? Answer in units of N
September 27, 2011

physics
Thanks so much!!!
September 26, 2011

physics
An object with mass m1=5.00 kg rests on a frictionless horizontal table and is connected to a cable that passes over a pulley and is then fastened to a hanging object with mass m2= 10.0 kg. Find the acceleration of each object and the tension in the cable.
September 26, 2011

physics
An object with mass m1=5.00 kg rests on a frictionless horizontal table and is connected to a cable that passes over a pulley and is then fastened to a hanging object with mass m2= 10.0 kg. Find the acceleration of each object and the tension in the cable.
September 26, 2011

geometry
angle 3=3x+9
September 25, 2011

probability
Reiny, thanks!
September 24, 2011

Decision Criteria
You have available five different investment strategies and their respective payoffs for various states-of-nature as shown in the chart below. Which investment would you make under the different decision criteria? States of Nature Sever Decline Moderate Decline Stable Moderate...
September 24, 2011

probabilty
Smitty's Bar and Grill has brand name recognition of 61% around the world. Assuming we randomly select 2 people. The assumptions of a Bernoulli process are met. What is the probability a)exacatly 5 of the 12 recognize the name of Smitty's Bar and Grill? b)5 or fewer ...
September 23, 2011

statistics
The Ace AirLines has a policy of overbooking flights. The random variable x represents the number of passengers who cannot be boarded because there were more passengers that seats. x P(x) 0 0.061 1 0.132 2 0.255 3 0.345 4 0.207 a)Is this a probability distribution? How do you ...
September 23, 2011

math
its called order of operations, pre algebra
September 18, 2011

math
how do you get the answer: 32-13+21=114
September 18, 2011

algebra
80x=100 X represents the number of hours. Solve for x. 100/80=?
September 15, 2011

Algebra
y=1/2x+5
September 15, 2011

math
100/40 = 2.5 Which is 2 and a half hours.
September 15, 2011

math
40x=100 X represents the number of hours. Solve for x.
September 15, 2011

math
3.5x10 to the 4th 9.82x10 to the 8th
September 15, 2011

Finite Math
Pivot the system about the element in row 2, column 1. [3 3| –2] [–9 –4| 1]
September 15, 2011

Finite Math
A dietitian wishes to plan a meal around three foods. The meal is to include 16,200 units of vitamin A, 4,620 units of vitamin C, and 680 units of calcium. The number of units of the vitamins and calcium in each ounce of the foods is summarized in the table below. Determine ...
September 11, 2011

Finite Math
Solve the system of linear equations, using the Gauss-Jordan elimination method. (If there is no solution, enter NO SOLUTION. If there are infinitely many solutions involving one parameter, enter the solution using t for the last variable. If the solution involves two ...
September 11, 2011

Math
Find the equation of the circle that satisfies the given conditions. Center at the origin and passes through (7, 9) 130 = ?
September 9, 2011

soc
All sages provide both wisdom and inspiration. Since Dasha’s speech contained wisdom and greatly inspired her audience, Dasha is a sage. Which one of the following points out the flaw in the argument above?
August 27, 2011

math
Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. Assume 365 days in a year. (Round your answer to the nearest cent.) $3,000 balance, 21% ...
August 23, 2011

Math
Hi - I'm finding this question a bit tricky and think I answered it wrong, can someone please verify for me? Many thanks.... In triangle EFG, find the value of f, if e = 7.3 cm, g = 8.7 cm and <E = 73. Please help
August 21, 2011

math
Ahhh...I see! Thank you for helping, I would have never have worked this out correctly.
August 21, 2011

math
how will I see that the angle is 45 degrees? Don't we have to calculate that? This is what I'm asking you about. How is <O calculated so it comes up to 45 degrees? I have 2 sides and have to find the angle as it's not given before I can proceed to find the third...
August 21, 2011

math
Hi - I'm reposting this thread please read the bottom...thanks. Ajax is 8 km due west of Oshawa. Uxbridge is 16 km NW of Oshawa. How far is it from Ajax to Uxbridge? Explain whether you have enough information to solve this problem. my answer was 13.856 km but not ...
August 21, 2011

Math
Hi - I'm reposting this thread as there was some encoding issues in previous version that I clarified near bottom. Thanks. Hi - I'm having problems drawing a diagram for the following question. The part I find unclear is "they mark a point A, 120 m along the edge ...
August 21, 2011

math
Thank you, that's what I got too:)
August 21, 2011

math
Maybe all my questions have this problem. THanks for telling me how to fix it. The original question I posted was: Noah and Brianna want to calculate the distance between their houses which are opposite sides of a water park. They mark a point, A, 120 m along the edge of the ...
August 21, 2011

math
Hi - I'm having problems drawing a diagram for the following question. The part I find unclear is "they mark a point A, 120 m along the edge of the waterpark from Brianna's house. I'm wondering if point A is the waterpark. See question. My answer to this ...
August 21, 2011

math
Hi - How did you get 45 degrees? Think that's the part I'm lost with.
August 21, 2011

math
Ajax is 8 km due west of Oshawa. Uxbridge is 16 km NW of Oshawa. How far is it from Ajax to Uxbridge? Explain whether you have enough information to solve this problem. my answer was 13.856 km but not confident how I found the angle oshawa to begin with. I used Cos Oshawa = a/...
August 21, 2011

math
Hi sorry - Ģ was a triangle that I guess formated different on this page. Sorry
August 21, 2011

math
Hi - I'm finding this question a bit tricky and think I answered it wrong, can someone please verify for me? Many thanks.... In ƒ¢ EFG, find the value of f, if e = 7.3 cm, g = 8.7 cm and ÚE = 73‹. my answer was 4.73 cm but I'm not ...
August 21, 2011

Math
Thank you for clarifying! Also appreciate how quickly you helped me. Very good math skills :)
August 21, 2011

Math
An architect designs a house that is 12 m wide. The rafters holding up the roof are equal length and meet at an angle of 68°. The rafters extend 0.6 m beyond the supporting wall. How long are the rafters? Hi - I was wondering if you could help me with this question. I'...
August 21, 2011

english
after the play_________, several critics made scathing comments about it
August 16, 2011

Health care
is the best topic to talk to the doctors about not being able to afford RT's and that were are able to refer them to other places??
August 13, 2011

Health care
You are a new administrator at a hospital, the icu & er are suffering a shortage of respiratory therapists, you need to gather information for a meeting with them, what information do you need before the meeting? develop a tactical plan, what are the major issues? how does it ...
August 13, 2011

history
why were the plebeians and patricians in conflict?
July 29, 2011

History
thanks :)
July 29, 2011

History
Why were the Etruscans considered to be the greatest influence on early Rome?
July 29, 2011

algebra
Factor x3+8 x2+4x +32=
July 26, 2011

Literature
Is this a couplet? If this be error and upon me proved, I never writ, nor no man loved.
July 12, 2011

epidemiology
test the null hypothesis and interpret findings on toxin levels between farm, urban and suburban homes
July 11, 2011

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