Wednesday

October 1, 2014

October 1, 2014

Total # Posts: 26

**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?
*March 14, 2013*

**PRE-ALGEBRA**

No Ms. Sue. I got thissss.
*March 14, 2013*

**PRE-ALGEBRA**

5x+7y=12 Original Problem 5(36-7y)+7y=12 Substitute x for 36-7y 180-35y+7y=12 Distributive Property 180-28y=12 Combine Like Terms -28y=-168 Subtract 180 from both sides y=6 Isolate variable y by dividing -28 from both sides.
*March 14, 2013*

**Algebra**

2 x 2 x 5 x 5 x 7 x 11 x 13
*March 13, 2013*

**english**

what is the subject in the following sentece... these past three days have been quiet and enjoyable
*March 15, 2012*

**calculus**

Find an equation of the normal line to the parabola y = x2 − 7x + 5 that is parallel to the line x − 3y = 3.
*September 14, 2011*

**math**

12.8333 LOL
*March 22, 2011*

**math**

18.......i think..:D
*March 22, 2011*

**science**

thnx
*March 18, 2011*

**science**

thnx...so wat would the controls & variables b for a experiment involving seperating salt from water???
*March 18, 2011*

**science**

what are controls & variables???? got a prac coming up and need 2 know!!! thnx xx
*March 18, 2011*

**art**

1.B i think
*March 17, 2011*

**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.
*November 29, 2010*

**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.
*November 23, 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 upward component of ...
*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. You may use ...
*November 19, 2010*

**Chemistry**

When 0.59 mol I2(g) and 0.59 mol H2(g) are placed into a 1.0-L 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)
*November 19, 2010*

**Chemistry**

What wavelength of light would be emitted when an electron in a hydrogen atom drops from energy level 5 to energy level 1?
*November 2, 2010*

**College Calculus 1**

I have no fricken clue. Thats why I fricken hatee MATH. LIKE HOLY FRICK! WHY THE FRICK DO WE HAVE TO LEARN?
*October 1, 2010*

**physics**

lol. He forgot to ask a question
*September 7, 2010*

**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
*May 29, 2010*

**physics**

LOL. I got the same problem, I really can't find any answer or solution for it.
*January 5, 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 question. Can you ...
*November 16, 2009*

**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 question. Can you ...
*November 16, 2009*

**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?
*October 7, 2008*

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