Saturday

October 25, 2014

October 25, 2014

Total # Posts: 34

**marketing**

what is share of market formula?
*July 24, 2014*

**Math repost**

I think it might be an error in the question, but thanks for trying at least I know it's not just me.
*February 5, 2014*

**Math repost **

trapezium ABCD, with AB and DC being parallel, with diagonal connecting A and C, angle ABC is 86, angle ADC is y, angle dac is 66 and angle bac is x, no angle given for bcd or bca or acd. find x and y, So I said that BCD is 94 deg, but then I get stuck I think I'm probably...
*February 5, 2014*

**Math**

trapezium ABCD, , with diagonal connecting A and C, angle ABC is 86, angle ADC is y, angle dac is 66 and angle bac is x, no angle given for bcd or bca or acd. find x and y why is the fourth angle 114?
*February 3, 2014*

**Math**

Really stuck on this question not sure where im going wrong a trapezium with top and bottom sides paralell. With a diagonal line running from the top left to the bootom right hand corner splitting the trapez into two triangles. the top left corner angle is formed by 66 deg and...
*February 3, 2014*

**math**

The average price of gasoline lately has been hovering lately at $3.80. What is the standard deviation if the probability that a gallon of gas costs less than $3.00 is 15%?
*April 3, 2013*

**math statistic**

The Chicago Public School system has about 680 schools. About 130 of the schools will be closed. If five schools are chosen at random find the probability that at least 3 of them will be closed.
*April 3, 2013*

**Chemistry**

5. A student has the following data: V1 = 822 mL, T1 = 75°C and T2 = -25°C. He calculates V2 and gets -274 mL is this value correct? Explain why or why not.
*January 1, 2013*

**Chemistry**

5. A student has the following data: V1 = 822 mL, T1 = 75°C and T2 = -25°C. He calculates V2 and gets -274 mL is this value correct? Explain why or why not.
*January 1, 2013*

**Chemistry**

What is the symbol for the element whose electron configuration ends with 4p6?
*April 25, 2012*

**Chemistry**

How many total atoms of all elements are present in an acetate ion?
*April 25, 2012*

**Chemistry**

What is the term given to different forms of any element that only vary in their number of neutrons?
*April 25, 2012*

**Chemistry**

What is the term given to different forms of any element that only vary in their number of neutrons?
*April 25, 2012*

**chemistry**

How many moles of sodium are equal to 5.72 x 1025 atoms?
*April 25, 2012*

**physics**

the mass of the boy is 70kg. calculate the force in newtons acting on the boy due to his deceleration. how do i work this out
*March 31, 2012*

**Math**

It usually takes 55 minutes to get from Lakewood to Oakdale. This morning the train is 10 minutes early. How many minutes did the trip take?
*February 16, 2012*

**Math**

Eva gives out two sheets of paper to each 30 students. She gives paper to 19 students and has to get more. Howany more sheets of paper does he need?
*January 31, 2012*

**Chemistry**

What is an ICE chart?
*May 12, 2011*

**Chemistry**

Determine the solubility of FeS at 25 degrees Celsius
*May 12, 2011*

**chemistry**

Here's the problem: You need to make 300L of 2.25M perchloric acid. It costs $25.95 for a 4.00 liter bottle of 60% HClO4, and $34.95 for a 4.00 liter bottle of 70% HClO4. Should you buy the 60% or the 70% bottles? Show your calculations and explain.
*May 5, 2011*

**physics**

If you throw a cigarette out a car window that is moving at 10 mph where will it land
*December 2, 2010*

**physics**

If you throw a cigarette out a car window that is moving at 10 mph where will it land
*December 2, 2010*

**maths**

Since the son's age is between 13 and 19, the father must be 43, so that if the son's age is x, 4300 + x – (43 – x) = 4289, so 2x = 32 and x = 16. So the sum of their ages is 43 + 16 = 59.
*October 5, 2010*

**L.A**

What is the effect of onomatopoeia in a poem?
*April 25, 2010*

**math**

3/6 or if you simplify it 1/2
*April 25, 2010*

**L.A**

Could only and other be an alliteration?
*April 22, 2010*

**S.S**

Was Kublai Khan esteemed by his subjects?
*April 19, 2010*

**math **

Suppose a rectangular box with 3cm height, 2cm width, and 5cm length was resting on a different face. How would this affect its surface area?
*April 19, 2010*

**Math**

If a rectangular box has A width of 2cm, a length of 3cm, and a height of 5cm, what is the surface area? Is it 62cm2?
*April 19, 2010*

**4th grade**

13yd = 39ft
*April 19, 2010*

**calculus**

s(t)=-16t^2+v(subscript0)t+(subscrpt0) a silver dollar is dropped from the top of a building that is 1362 feet tall. a) determine the position and velocity f'cn for the coin. b) determine the avg velocity on the interval [1,2] c) find the instantanous velocities when t=1 ...
*March 21, 2010*

**Calculus**

Thank you so much. I appreciate you taking the time to answer my question. = )
*April 19, 2008*

**Calculus**

Show that the rectangle with the largest area that is inscribed within a circle of radius r is a square. Find the dimensions and the area of the inscribed square. My respect goes to those who know how to tackle this one.
*April 19, 2008*

**the big idea of energy**

well . . . i have do it about rockpoools and how energy flows through the food chains xxx PLEASE HELP!!!!!!!
*December 5, 2006*

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