Shayne
Popular questions and responses by Shayne
Physics
A pilot wishes to fly 450 km due south in 3 hours. A wind is blowing from the west at 50 km/hr. By means of a vector diagram, compute the proper heading and speed that the pilot must choose to achieve this objective.
asked on November 29, 2010 
calculus
Find an equation of the normal line to the parabola y = x2 − 7x + 5 that is parallel to the line x − 3y = 3.
asked on September 14, 2011 
Math
An airplane is going 300 mph at a bearing of N 55 degrees E. The wind is blowing 30 mph due East. What is the actual speed and direction of the plane?
asked on March 14, 2013 
Physics
A pilot wishes to fly to a point 450 km due south in 3 hours. A windis blowing from the west at 50 km/hr. By means of a vector diagram, compute the proper heading and speed that the pilot must choose to achieve this objective.
asked on November 23, 2010 
Chem, help please
Consider the reaction N2 + 3H2 in equilibrium with 2 NH3 . At 25°C Ho = 92.22 kJ and So = 198.53 J/K. Using this information, calculate the equilibrium constant for the reaction at 226°C. (R = 8.314 J/K) Enter your answer using TWO significant figures.
asked on November 19, 2010 
Physics
A construction worker attempts to pull a stake out of the ground by pulling on a rope that is attached to the stake and makes an angle of 60.0 degrees with the horizontal. Then worker exerts a force of 125 newtons on the rope. What is the magnitude of the
asked on November 23, 2010 
math
4 men built a wall in 11 days. How long would it take 1 man to build the wall working at the same rate?
asked on October 7, 2008 
Chemistry
When 0.59 mol I2(g) and 0.59 mol H2(g) are placed into a 1.0L container at a given temperature, 0.30 mol H2(g) is found to be present after the reaction below reaches equilibrium. Calculate Kc at the given temperature. I2(g) + H2(g) 2HI(g)
asked on November 19, 2010 
Algebra 1: Help Please URGENT!
A circle is inscribed in a square. The number of square units in the area and the number of units in the perimeter of the square are the same. What is the area of the circle in terms of pi? Explain your thought process. I completely don't understand this
asked on November 16, 2009 
Chemistry
What wavelength of light would be emitted when an electron in a hydrogen atom drops from energy level 5 to energy level 1?
asked on November 2, 2010 
Math
How do i find the x and y intercept of y=5(3^x)
asked on April 23, 2016 
english
what is the subject in the following sentece... these past three days have been quiet and enjoyable
asked on March 15, 2012 
Chemistry
A mixture of gases contains 2.41 moles of O2, 1.24 moles of H2 and 1.92 moles of C. Calculate the partial pressure of gases if the total pressure is 3.0 atm
asked on December 8, 2014 
science
what are controls & variables???? got a prac coming up and need 2 know!!! thnx xx
asked on March 18, 2011 
Algebra 1
A circle is inscribed in a square. The number of square units in the area and the number of units in the perimeter of the square are the same. What is the area of the circle in terms of pi? Explain your thought process. I completely don't understand this
asked on November 16, 2009 
Math
If im changing the subject of an equation to make x the subject with x^2=n what do i do to the side n when i take ^2 away. do i square it or take the square root?. Does this apply to any power, ie would it be the same if x^(2/1)=n or x^(3+6)=n
asked on May 29, 2010

PREALGEBRA
No Ms. Sue. I got thissss.
posted on March 14, 2013 
English
yes
posted on March 14, 2013 
Algebra
2 x 2 x 5 x 5 x 7 x 11 x 13
posted on March 14, 2013 
PREALGEBRA
5x+7y=12 Original Problem 5(367y)+7y=12 Substitute x for 367y 18035y+7y=12 Distributive Property 18028y=12 Combine Like Terms 28y=168 Subtract 180 from both sides y=6 Isolate variable y by dividing 28 from both sides.
posted on March 14, 2013 
math
12.8333 LOL
posted on December 7, 2011 
physics
LOL. I got the same problem, I really can't find any answer or solution for it.
posted on December 7, 2011 
physics
lol. He forgot to ask a question
posted on September 16, 2011 
math
18.......i think..:D
posted on April 4, 2011 
science
thnx
posted on March 19, 2011 
art
1.B i think
posted on March 18, 2011 
science
thnx...so wat would the controls & variables b for a experiment involving seperating salt from water???
posted on March 18, 2011 
College Calculus 1
I have no fricken clue. That's why I fricken hatee MATH. LIKE HOLY FRICK! WHY THE FRICK DO WE HAVE TO LEARN?
posted on October 4, 2010