Monday

September 26, 2016
Total # Posts: 25

**Math**

A rectangular courtyard is 57m and50cm long and 22m broad determine the least possible number of square stones of the same size required to pave it

*August 9, 2016*

**chemistry**

15gm of sodium chloride is present in one kilogram of solution.express the concentratiom in ppm and ppb

*July 27, 2016*

**chemistry**

what volumes of 6M hcl and 2M hcl should be mixed to get two litres of 3M hcl

*July 27, 2016*

**science**

apparent change in wavelength of sound waves is 2.5cm when the source of sound is approaching stationary listener with velocity 8cm/s.

*April 6, 2016*

**science**

apparent change in wavelength of sound waves is 2.5cm when the source of sound is approaching stationary listener with velocity 8cm/s.Apparent decrease in the frequency of source when observer recedes from the same source at rest with a velocity of 30m/s is (velocity of sound...

*April 6, 2016*

**Math**

A weight lifter is raising a barbell of mass 120kg. He does this in two stages. At the end of the first stage he holds the barbell steady at shoulder height. What upward force is each arm exerting?

*October 25, 2013*

**Strength of materials**

Giveto applications of mechanics depends upon strength

*July 21, 2013*

**Strength of materials**

Explain UTM with neat sketch

*July 21, 2013*

**general knowledge**

what is an intelligent skeleton?

*June 19, 2013*

**give answers**

when will u give the answers?

*June 18, 2013*

**social studies**

what is the name of a rock that is not as warm as rocks

*June 18, 2013*

**general knowledge**

name a fuzzy fruit that grows by the seashore

*June 18, 2013*

**general knowledge**

what is the opening in the bottom of a soup dish?

*June 18, 2013*

**general knowledge**

what is intelligent skeleton?

*June 18, 2013*

**maths**

radius=7cm what is the area

*June 18, 2013*

**maths**

5/6-13/15-3+5=

*June 18, 2013*

**maths**

5/6+1/2-3/4=

*June 18, 2013*

**math**

3*8/6/7=

*June 18, 2013*

**arithmetic**

there are n arithmetic means between 5 and 32 such that the ratio between the 3rd and 7th means is 7:13,find the value of n.

*May 14, 2013*

**fractions**

mary has 12 marbles 3/12 of the marbles are yeallo and 2/12 of the marbles are blue . the rest of the marble are green . how many marbles are green ? explain how you know ?

*February 26, 2013*

**al mustafa publick school**

two planets of masses m and respectively.have a centre to center separation of r.at what distance from the center of the pianet of mass m do the gravitational force of planets cancel each other???

*May 4, 2012*

**spanish**

leemos las lecciones completas de puntos de partida?

*December 4, 2011*

**calculus**

A dam 15 m high holds the water in reservoir . For safety reasons , the water level is maintained at a height 3 m below the top of the dam. At best of the dam , engineers have installed a vertical door in the shape of an equilateral triangle with sides of length 3 m , ...

*January 30, 2011*

**statistics**

1. Suppose a certain instructor is interested in determining the average final grade for all students taking STA 205 in any given semester. Suppose she obtains the academic records for 100 former STA 205 students. For this scenario, determine both the population and the sample...

*January 18, 2011*

**calculus**

Boyle's law states that if the temperature of a gas remains constant, then PV = c. Where P is the pressure, V is the volume, and c is a constant. Given a quantity of gas at constant temperature, if V is decreasing at a rate of 13 in.^3/s, at what rate is P increasing when ...

*May 2, 2010*

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