Sunday
December 4, 2016

Posts by Avery

Total # Posts: 125

College Physics
If the river is flowing downstream at 1.5 mi/h and he can swim 2.0 mi/h then the angle he would need to swim at in order to swim straight across would be arctan(1.5/2) which is equal to 36.87 degrees. This is because you can form a right triangle with 1.5 being opposite the ...
February 8, 2011

math
6/18 = 1/3
January 4, 2011

geometry
How do I figure out the dimensions of each room in a 1200 square foot house with a closet and bathroom the same size, a big family room, and two circular bedrooms?
December 13, 2010

Geometry
no
November 22, 2010

algebra
Solve the proportion x / 12 = 91 /84
September 16, 2010

Math- Geometry
Can anyone help me answer this question... Find the area of a right isoscles triangle if the altitude on the hypotenuse is 4 cm.
September 5, 2010

Math
240 m of fencing material is going to be used to enclose three sides of a rectangular lot. What should the dimensions of the lot be so that the enclosed area is as large as possible? (I'm supposed to solve this using a quadratic equations but I don't know how...)
August 22, 2010

Algebra
don't get it
June 1, 2010

Algebra
A train leaves a city heading west and travels at 50 miles per hour. Three hours later, a second train leaves from the same place and travels in the same direction at 65 miles per hour. How long will it take for the second train to overtake the first train.
June 1, 2010

Algebra
2.5 hours
June 1, 2010

Algebra
Two trains leave Raleigh at the same time, one traveling north, the other south. The first train travels at 50 miles per hour and second at 60 miles per hour. In how many hours will the trains be 275 miles apart?
June 1, 2010

Algebra
A ship travels from New York to southampton, england at 33 miles per hour. A plane traveling 605 miles per hour takes 104 hours less time to make the same trip. How far apart are the two cities?
June 1, 2010

Physics
A non-rotating spherical planet with no atmosphere has a mass M and radius R. A particle is fired off from the surface with a speed equal to 3/4 the escape speed. Calculate the farthest distance it reaches (measured from the center of the planet) if it is fired tangentially. I...
March 24, 2010

Physics
A non-rotating spherical planet with no atmosphere has a mass M and radius R. A particle is fired off from the surface with a speed equal to 3/4 the escape speed. Calculate the farthest distance it reaches (measured from the center of the planet) if it is fired tangentially. I...
March 23, 2010

Riddle
A cow ate him
November 22, 2009

Calculus
3^2/3^4 I did this through my calulate and I came up with 1/9, but that is not the correct answer. I'm not sure what to do?
March 24, 2009

7th grade math vocabulary
I need a math vocabulary work that begins with a J
March 9, 2009

math
Betty has nine pink ribbons and eight blue ribbons. What fraction of Betty's ribbons are pink? *I am trying to teach my little brother how to do this. How can you write it so i can tell him how to answer the other problems to? I don't just need the answer pelase.
December 4, 2008

HSM 220 Creating a Budget
I had problems too, but somehow figured it out. Take the first amount, such as the rent at $125,000. Multiply 60% times the 125,000 for the basic skills and multiply 40% times the 125,000 for the vocational. Therefore 75,000 for basic, and 50,000 for vocational. Do this for ...
October 9, 2008

science
What layer of the atmosphere acts like a giant magnet? What does it attract?
September 30, 2008

grammar
In the sentence "On track and field day, the teacher was very proficient at announcing the events", is the word "proficient" a noun or verb?
May 8, 2008

Chemistry
Write the equilibrium expression, and calculate Kp for the reaction under the conditions described: 2NaHCO3 (s) --> <--- Na2CO3 (s) + H2O (g) + CO2 (g) 100 g of solid NaHCO3 was placed in a previously evacuated rigid 5.00 L container and heated to 160 degrees C. Some of ...
January 30, 2008

Chemistry
Write the equilibrium expression, and calculate Kp for the reaction under the conditions described: 2NaHCO3 (s) --> <--- Na2CO3 (s) + H2O (g) + CO2 (g) 100 g of solid NaHCO3 was placed in a previously evacuated rigid 5.00 L container and heated to 160 degrees C. Some of ...
January 30, 2008

social studies
how did women help prepare for the civil war??? i cant find in s.s book you should double check your book. if you cant find it in there you could use the internet, but i would check the book
March 1, 2007

Math
I need help with this problem: If N= {1,2,3,4,....}, A= {x/x=2n-1, n E N}, B={x/x=2n, n E N}, and C= {x/x+2n +1, n=0, or n E N}, find the simplest possible expression for each of the following: a. A U C b. A U B - the U stands for union c. A (intersects) I can't find the ...
September 17, 2006

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