Sunday

November 29, 2015
Total # Posts: 33

**math**

The average marks of 14 students was 71. It was later found that the marks of one of the students has been wrongly entered as 42 instead of 56 and of another as 74 instead of 32. What is the correct average? Average age of seven persons in a group is 30 years, the average age ...
*November 22, 2015*

**science**

The potential energy (in J) of a system in one dimension is given by: 2 3 U(x) = 5 − x + 3x − 2x What is the work done in moving a particle in this potential from x = 1 m to x = 2 m? What is the force on a particle in this potential at x = 1 m and x = 2 m? Locate ...
*August 27, 2015*

**information technology**

please tell me a model for comunication
*November 7, 2014*

**chemistry**

When 40.0 mL of 1.00 M H2SO4 is added to 80.0 mL of 1.00 M NaOH at 20.00°C in a coffee cup calorimeter, the temperature of the aqueous solution increases to 29.20°C. If the mass of the solution is 120.0 g and the specific heat of the calorimeter and solution is 4.184 J...
*June 23, 2014*

**science**

Resultant of 2 vectors P and Q is inclined at 30 either of them. What is the magnitude of resultant vector?
*April 10, 2014*

**science **

Resultant of 2 vectors P and Q is inclined at 45 either of them. What is the magnitude of resultant vector?
*April 10, 2014*

**science**

Resultant of 2 vectors P & Q is inclined at 45 to either of them. What is the magnitude of resultant vector?
*April 10, 2014*

**maths**

Resultant of 2 vectors P & Q is inclined at 45 to either of them. What is the magnitude of resultant vector?
*April 10, 2014*

**Science**

Find out the molality of acetic acid ch3cooh whose molarity is 2 and density of solution is 1.20 g/ ml ?
*April 29, 2013*

**Science**

Find out the molality of acetic acid ch3cooh whose molarity is 2 and density of solution is 1.20 g/ ml ?
*April 29, 2013*

**Science**

Find out the molality of acetic acid ch3cooh whose molarity is 2 and density of solution is 1.20 g/ ml ?
*April 29, 2013*

**Chemistry**

0.356 grams of an unknown metal reacts with oxygen to form 452 milligrams of the metal oxide. Identify the metal
*April 24, 2013*

**science**

What istrival name of Mgoh 2
*January 24, 2013*

**earth**

The quantity of radiation received by earth from the sun is 1.4 kW / m2. Assuming that sun is an ideal radiator, calculate the surface temperature of the sun. The ratio of the radius of earth's orbit to the radius of the sun is 216.
*June 27, 2012*

**Math**

The perimeter of a rhombus is 40 cm and the distance between a pair of parallel side is 5.6 cm. If the length of one of its diagonals is 7 cm, find the length of the other diagonal.
*January 2, 2012*

**math**

The perimeter of a rhombus is 40 cm and the distance between a pair of parallel side is 5.6 cm. If the length of one of its diagonals is 7 cm, find the length of the other diagonal.
*May 5, 2011*

**science**

How large a current would a very long, straight wire have to carry so that the magnetic field 2 cm from the wire is equal to 1 G (comparable to the earth’s northward-pointing magnetic field)?
*April 18, 2011*

**reading**

where do u think the commas belong? in fact most students find it hard to sleep past 6:00A.M. during the semester,so you as well take 8:00 classes
*March 28, 2011*

**reading**

place a comma in this sentence convinced that she would need extra money for college,Andrea applied for a second job at the libary
*March 28, 2011*

**reading**

place a comma in this sentences since pete was always online playing computer games Andy decided to buy his own computer
*March 28, 2011*

**Physics**

asdfghjkll
*February 21, 2011*

**math**

if i have 16 ft 5 inch of wall paper and use 8ft 9in of the wall paper. How much do i have left
*February 16, 2011*

**English**

Hi. I've been learning some new words and have a question about "demarche". As for its diplomatic meaning, everything is clear, but I don't know how to use its meaning "a statement or protest addressed by citizens to public authorities". Do you ...
*February 7, 2011*

**math**

fifteen out of 25 students in Mrs. Smith's class are boys. what is the ratio of boys to girls? i put 1 to 6. is that right?
*January 26, 2011*

**math **

three out of 20 students have been to the zoo. what percent of students have been to the zoo? i put 6%. is that right?
*January 26, 2011*

**math**

a paint color is made by mixing red and yellow paint. the ratio of red to yellow is 4 to 9. how many quarts of yellow paint must be used for 12 quarts of red? explain how you find your answer.
*January 26, 2011*

**math**

arraange the following numbers in order from least to greatest:2 1/4, 0.6, 2.75, 40%, 7/5
*January 26, 2011*

**physics**

A rule of thumb for driving is that a separation of one car length for each 10 mi/h of speed should be maintained between moving vehicles. Assuming a constant reaction time, discuss the relevance of this rule for (a) motion with constant velocity and (b) motion with constant ...
*January 20, 2011*

**chemistry garde 11**

ye in th question is said litres.
*January 15, 2011*

**chemistry garde 11**

plases help me.... im really stuck in this question... i have no clue how to do it... please help me oxygen gas generated in the thermal decomposition of potassium chlorate in water. the total pressure of this system was measured to be 762 mmHg and the pressure of water was 22...
*January 15, 2011*

**Statistics**

MUJHE NAHI PATA.....................
*October 26, 2010*

**Comparative Essay HELP!**

boring comparative
*May 18, 2008*

**math**

how do you do polynomials monomials and trinomials
*November 16, 2007*

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