Teddy
Most popular questions and responses by Teddy
chemistry
Exactly 10 mL of water at 25°C was added to a hot iron skillet. All of the water was converted into steam at 100°C. If the mass of the pan was 1.20 kg and the molar heat capacity of iron is 25.19 J/mol∙°C, what was the temperature change of the
asked on October 16, 2013 
Math
Your crew can pave two driveways in a day. You work five days per week but take off 2 weeks each year for holidays and vacations.
asked on October 13, 2016 
Language Arts
In " Raymond's Run" which detail supports the prediction that Squeaky will not let Gretchen win the race? A. Squeaky is insulted when Mr. Pearson suggests she give someone else "a break" this year.************** B. Squeaky doesn't even bother to look when
asked on September 25, 2017 
chemistry
Exactly 10 mL of water at 25°C was added to a hot iron skillet. All of the water was converted into steam at 100°C. If the mass of the pan was 1.20 kg and the molar heat capacity of iron is 25.19 J/mol∙°C, what was the temperature change of the
asked on October 16, 2013 
chemistry
Exactly 10 mL of water at 25°C was added to a hot iron skillet. All of the water was converted into steam at 100°C. If the mass of the pan was 1.20 kg and the molar heat capacity of iron is 25.19 J/mol∙°C, what was the temperature change of the
asked on October 16, 2013 
Social Studies, are they all right?
1. In a typical rural village in Mexico, you might expect to find that most people living on farms get their food by a. growing their own. b. buying what they need at large supermarkets. c. buying what they need at small supermarkets. d. gathering nuts and
asked on April 28, 2016 
finance
a company has an outstanding issue of 1,000 face value bonds with a 9.5% annual coupon and 20 years remaining until maturity. The bonds are currently selling at a price of 90 (90% of face value).
asked on May 11, 2016 
Biology
When dissecting a fetal pig, how can you tell the difference between veins and arteries? I remember someone saying something about if you poke one, its spongier or something? help! Thank you!
asked on November 13, 2011 
physics
Stones are thrown horizontally, with the same initial velocity, from the tops of two different buildings, A and B. The stone from building A lands 4 times as far from the base of the building as does the stone from building B. What is the ratio of building
asked on February 1, 2014 
Physics
An old Chrysler with mass 1800 kg is moving along a straight stretch of road at 58 km/h. It is followed by a Ford with mass 1400 kg moving at 70 km/h. How fast is the center of mass of the two cars moving?
asked on July 20, 2010 
physics
A)A ball is tossed from an upperstory window of a building. The ball is given an initial velocity of 8.15 m/s at an angle of 19.0o below the horizontal. It strikes the ground 2.50 s later. How far horizontally from the base of the building does the ball
asked on January 30, 2014 
Biology
In regard to the kidney, Why is everything dumped into the tubule? Why not dump only wastes and toxins like insects?
asked on November 19, 2011 
math
if there are 3 numbers on a combination lock. how many combinations can there be?
asked on December 14, 2010 
physics
Stones are thrown horizontally, with the same initial velocity, from the tops of two different buildings, A and B. The stone from building A lands 4 times as far from the base of the building as does the stone from building B. What is the ratio of building
asked on January 31, 2014 
physics
A projectile is launched from ground level at 37.0 m/s at an angle of 30.6 ° above horizontal. Use the launch point as the origin of your coordinate system. a)How much time elapses before the projectile is at a point 8.9 m above the ground and heading
asked on January 31, 2014 
Math
The formula r=2sqrt(...)5L can be used to approximate the speed r, in miles per hour, of a car that has left skid marks of length L, in feet. How far will Acari skid at 20 mph?
asked on April 1, 2014 
math
If a conservationist catches 72 trout, tags them and throws them back in the lake. Later 33 trout are caught, 11 of them are tagged. How many trout would the conservationist expect to find in the lake.
asked on April 27, 2013 
Statistics
In a certain city, there are 10,000 persons age 18 to 24. A simple random sample of 500 such persons is drawn, of whom 200 turn out to be currently enrolled in college. Find a 90% con¯dence interval for the percentage of persons age 18 to 24 in the city
asked on May 15, 2011 
algebra 2 logs and trig
log(base 2)cotx  2log(base 4)csc2x = log(base 2)cosx the answer should be x = pi/3, 5pi/3 not sure how to work it out though, any help? I tried canceling the bases but that led to a dead end.
asked on August 13, 2010 
Chemical Kinetics
The kinetics of the catalytic decomposition of NH3 into N2 and H2 on a hot tungsten filament at 1100 °C was investigated by Kunsman. He measured the times (t1/2) required for half of NH3 to decompose at different initial NH3 pressures, as shown below: P
asked on May 3, 2010 
science
I see others have asked the same question but I do not understand the answers given. Question is to do with zinc solid and dilute sulphuric acid. What substance is left? I see by other posts that Bob Pursley answered this question. I haven't seen his
asked on October 15, 2006 
Math
A father who is 42 years old has a son and a daughter. The daughter is three times as old as the son. In 10 years, the sum of all their ages will be 100 years. How old are the two siblings at present?
asked on March 14, 2017 
chemistry
why should you use a minimum amount of water to rinse the conical vial while transferring the purified acetaminophen to the Hirsch funnel?
asked on April 8, 2014 
science
A car is traveling down the road at 25 m/s,and then increases their speed to 45 m/s in 5 seconds. What is this car's acceleration?
asked on September 13, 2013 
Cell Biology
How many molecules of ATP will be synthesized by the complete oxidation of one molecule of fructose 1, 6bisphosphate to carbon dioxide and water by a liver cell? Show your work.
asked on November 19, 2012 
Spanish
Preterite vs. Imperfect I'm just trying to clarify the differences. For example: 1. The food was deliciousimperfect? 2. The house was very bigimperfect? 3. The bump on his head was a tumorimperfect? Are these right? or should they be preterite?
asked on October 30, 2012 
English
Is this sentence below correct grammatically ? Thanks! Throughout the story a couple of crucial events take place, but we shouldn’t merely focus on these occurrences themselves, but rather on Edie’s assessment of them.
asked on May 6, 2012 
Geometry
Which set of ordered pairs has point symmetry with respect to the origin (0, 0)? (5, 4), (5, 4) (5, 4), (5, 4) (5, 4), (5, 4) (5, 4), (4, 5)
asked on January 18, 2012 
Biology
Is urine normally found in bladder of fetal pig? Why or why not?
asked on November 16, 2011 
Biology
Which root system is most effect anchor? And which is the most effective for storage of nutrients, why? I thought that the best anchor would be the taproot but I don't know how to figure out which is best for storing nutirents?
asked on October 17, 2011 
algebra 2
log(base 2)csc(x) = log(base 4)csc(4x^2) I tried doing the log(base a)b = logb/loga but I can't get past that because I'm not sure what to do after that. How do I set it up so I get like cscx=? or something so I'm able to solve for multiple values of x?
asked on August 11, 2010 
trigonometry
(3^m)(5^(m+1))=12^(2m1) not sure how to solve this but I think you use natural logs? I'm just stuck because the first two are multiplying and not adding and we didn't go over this
asked on August 11, 2010 
calculus
A person can row at a constant speed of 6 miles per hour. If the rower wants to row directly across a river with a current of 2 mph, at what angle should they row? How fast does the boat actually cross the river?
asked on December 15, 2015 
math
is it independent or dependent: The contract states that every day past the agreed upon completion date the project is not finished, the price is reduced by $25. Also state the rate of change?
asked on October 24, 2013 
college math
simplify 10 5
asked on September 8, 2013 
math
A student traveled 236 km in 18 days. At the same ratio how far would the student travel in 54 days.
asked on April 27, 2013 
MATH
A semiograph 300km from the epicenter of an earthquake recorded a maxximum amplitude of 5.3x10^2 um. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth)
asked on November 4, 2012 
English
Is this a complete sentence? Or should the comma be replaced by a semicolon? Surely there are certain situations in which appropriate attire is necessary, so should we as women give in to that standard?
asked on May 14, 2012 
English
What punctuation is correct for this sentence? Comma or SemiColon? But these weren’t simply mashed; they were formed delicately by my mother’s hands But these weren’t simply mashed, they were formed delicately by my mother’s hands
asked on May 12, 2012 
Geometry
Which set of ordered pairs has point symmetry with respect to the origin (0, 0)? (5, 4), (5, 4) (5, 4), (5, 4) (5, 4), (5, 4) (5, 4), (4, 5)
asked on January 18, 2012 
Biology
Name all the structures that bile passes through (in order) from its creation to where it actually functions.
asked on October 17, 2011 
chemistry
Calculate the volume of 0.05 kg of bromine. (D=3.12 g/ml)
asked on September 22, 2011 
math
what is the distance between a (0,0,0) b (2,7,1)
asked on May 17, 2011 
business
explain the operational components of planning, sourcing, making, and delivering applied in supply chain management
asked on June 13, 2010 
macroeconomics
Describe the four factors of production: land, labor, capital, and entrepreneurship. Pick a product with which you are familiar, and explain how these four factors of production were used to transform raw materials into the finished good that you enjoyed.
asked on May 27, 2009

College Math
Part C) F = ma a = F/m acceleration = Fnetx / 31
posted on September 16, 2018 
math
bell=575 Eva=1,600
posted on May 30, 2018 
science
Momentum before retarding force Momentum =impulse =product of mass and velocity M = Ft = mv Using force and time M = ft = 30N × 5sec = 150Ns Momentum of mass when it's velocity is at 12m/s Lading please wait...
posted on November 13, 2017 
physics
E= 131 N/C θ = 12.6 ∘ up from the negative x axis
posted on November 26, 2016 
physics
E= 131 N/C
posted on November 26, 2016 
Social Studies, are they all right?
Oh, I'm sorry about the first comment. I wasn't intending to be mean. I was intending to be just ashamed.
posted on April 28, 2016 
Social Studies, are they all right?
Thank you, though, very much. I really appreciate you looking at it. I was like, "I hope all of these answers are correct.", so, you're a lifesaver! :)
posted on April 28, 2016 
Social Studies, are they all right?
OO_ Excuse me...
posted on April 28, 2016 
accounting
1.9
posted on April 7, 2016 
Statistics
I don't know, I need help too
posted on October 7, 2015 
Chemistry
which isomer Maleic acid or fumanic acid has the strongest intermolecular bonding? why?
posted on March 1, 2015 
Math
I think so too. The independent variable is the number of papers and dependent is how long it takes them to deliver.
posted on October 24, 2013 
binghamton
I wanna find some one to taking my class. I will pay it.
posted on May 8, 2013 
Physics
In a tug of ear each side pulls with a force of 500 newtons, but the rope does not move. how much work is done on the rope?
posted on May 7, 2013 
Math 132 Trigonometry (College)
exact value of csc 450 degrees
posted on September 20, 2012 
algebra 2 logs and trig
It's csc 2x, and I got it down to this before but I don't know if I can use your hint from there or if I should start from square one: log(base 2)csc(x) = log(base 4)csc(4x^2) Would that become the following? log(base 2)csc(x) = 2log(base2)csc(4x^2)
posted on August 13, 2010 
algebra 2
Well the original problem was the following but I worked it out to what I put here before: log(base 2)cotx  2log(base 4)csc2x = log(base 2)cosx I switched the cosx and the csc2x and used properties of logs to get log(base 2)cscx, but maybe I'm wrong in
posted on August 12, 2010 
trigonometry
I just solved for each log individually on my calculator and used decimals to find the answer, and it ended up being right thanks!
posted on August 11, 2010