Wednesday

February 22, 2017
Total # Posts: 23

**chemistry**

Explain why sodium carbonate against hydrochloric acid titration using phenophthalein titration do not go to completion but stop at the sodium hydrogen carbonate stage.

*November 21, 2016*

**Maths**

Two points C and P lie on a straight line such that C is due north of P.Another point T is 6km away from the line CP on a bearing of 150 degree from C and 40 degree from P.What is the length of the line CP?

*March 3, 2016*

**mechanics**

solve this problems; A weight of 50 KN is on the point of motion down a rough inclined plane when supported by a force of 15 KN acting parallel to the plane and is on the point of motion up the inclined plane under the influence of a force of 25 KN applied parallel to the ...

*February 3, 2016*

**mathematics**

there are 5 more girls than boys in a class. if 2 boys join the class, the ratio of girls to boys is 5:4. find the number of girls in the class.

*October 2, 2015*

**Life orientation**

life orientation

*September 22, 2015*

**Maths**

An aeroplane flies from a town X on a bearing of N 45 degree E to another a town Y on a distance of 200km.it then changes course and flies to another town Z on a bearing of S 60 degree E.if Z is directly east of X.Calculate (a) the distance from X to Y (b) the distance from Y ...

*August 24, 2015*

**Maths**

If a function is defined by (x+3)=3x^2-x+4,find f(0)

*August 23, 2015*

**Physics**

A body is projected at angle of 30 degree with the horizontal at an initial speed of 200m/s.how far from the point of projection will it strike

*August 21, 2015*

**Maths**

A cylinder lenght 13cm and radius 5cm is made of cardboard .use the value of 3.1 py at (a) a closed cylinder (b) a cylinder open at one side

*June 1, 2015*

**Math**

1. How many bricks each measuring 25cm×11.25cm×6cm, will be needed to build a wall of 8m×6m×22.5? 2. what decimal of an hour is a second? 3. without a calculator, 0.04×0.0162 is equal to...... 3. (0.04)^ -1.5 4. if m and n are whole numbers such ...

*April 22, 2015*

**Math**

thanks

*April 20, 2015*

**Math**

1. if 60% of 3/5 of a number is 36, then the number is......... Pls show working. 2. the average weight of 16 boys in a class is 50.25kg and that of the remaining 8 boys is 45.15kg. Find the average weight of all the boys in the class.

*April 20, 2015*

**Math**

thanks soo much

*April 10, 2015*

**Math**

three whole numbers have their LCM as 180 and their HCF equal to 3. two of the numbers are 45 and 60. Find the third number.

*April 10, 2015*

**programming**

write a pseudocode to accept items name, price and quality from a user and display the items name and its total value. the total value can be calculated as the product of the price and quality.

*November 14, 2014*

**Geometry**

59 m

*January 14, 2013*

**Math**

Pls help .[1] Solve the eguation 4*=28. [2] change 1/20 to decimal [3] change 60% to a common fraction . Pls i need the solving thank you

*February 23, 2012*

**scientist**

What is the kinestic energy of a bullet of 22kg fire from a gun with a speed of 6m`s

*February 23, 2012*

**physics**

Estimate the rise in temperature of the brake discs in a car of mass 1200g,travelling at 30m/s which is brought to rest by the application of the brakes alone,the brake disc have a total mass of 5kg.Assummed that there is no heat loss and that the material of the 4 brake disc ...

*February 13, 2012*

**physics**

Hot water of mass 80g, at a temperature of 100degree celcius is pourd into 30g of water at 30degree celcius. Assuming that no heat is lost, calculate the final temperature

*September 2, 2011*

**chemistry**

How many of grams of aluminum would be produced from the decomposition of 21.0 g of Al2O3

*December 5, 2010*

**speech**

Send forth speech

*March 6, 2010*

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