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(4x^2 y^3) ^2 divide 8xy^2

Tom and Jerry took part in a 100m race. When Tom had run 80m, Jerry only managed to run 60m. How far was Jerry from Tom from the finishing line when Tom just dashed through it.

a) Factorise by extracting common factor

4x+3xy

2ab+3abc-5abd

5rst+3st-2rt

Simplify

1) w/3 - 2w/5 + 4

2) 1/2(4a+6b) - 3/4 (8a-16b)

The cube of y is directly proportional to x(x-1). Given that y=3 when x=3, Find

(a) an equation connecting x and y

(b) y^3 when x = 5

BEST ANSWER WITH WORKINGS 10 POINTS

Convert the following.

0.3cm into mm

5.2m^2 into cm^2

1) On a map whose scale is 1:400000, it is given that the distance between two locations P and Q on the map is 4.5cm

(a) Find the actual distance of PQ in meters

(b) Given that the actual area of the garden on the map is 18km^2, calculate the area of garden on the map in square centimeters.

2) Given that j^2 = 3y+h/4y-k, express y in terms of j,k,h

1) When a visking tube carrying 50% concentration of sugar solution and it is placed in a concentrated sugar solution, what would happen to the water level in the the visking tubing.

2) 4 visking tubing carrying diffrent liquid is placed into diffrent beakers containing distilled water, which beaker will have the highest increase in the water level.

(A) 10% Sugar Solution in Beaker

(B) 50% Sugar Solution in Beaker

(C) 100% Sugar Solution in Beaker

(D) 1% Sugar Solution in Beaker

<Thanks>

Using this example -> (p-q)^2 - p(p-2q)

Using the format of the example, find the value of 21596^2 - 21600 x 21592

Please show full workings, thank you so much, i will give you 10 points for your effort

1) A contractor agreed to finish a project in 50 days.He employed 120 men who worked 9 hours in a day. After 20 days, he found that only 1/3 of the project was completed. How many more men should he employ to finish the work on time if each man now worked 10 hours a day?

Please show full workings and the answer.

Best answer = 10 Points :)

2) Factorise a^3 - a^2 +2a - 2

1) Factorise the following.

(2x+y)^2 - (2x+y)(2y-3x)

2) Factorise 8x^2 - 2y^2/9

A contractor agreed to finish a project in 50 days.He employed 120 men who worked 9 hours in a day. After 20 days, he found that only 1/3 of the project was completed. How many more men should he employ to finish the work on time if each man now worked 10 hours a day?

Please show full workings and the answer.

Best answer = 10 Points :)

4. (a) Simplify completely .

(2x^2 - 7x + 3 / x^2 - x - 6) - 1

(b) Hence or otherwise, find the value of the expression when x = 0.5.

5) It is given that -1/2 is a root of the equation 10n^2-9n+k = 0 , where k is a constant. Find

(a) the value of k

(b) the other root

For the following statement please write whether is true or false, for the statement that are false please provide a correct statement

(a) The roots, stem and leaves are parts of the transport system of a flowering plant.

(b) The xylem transports only water

(c) The phloem transports sugar from the leaves to every part of the plant

(d) Most of the water that reaches the leaves evaporates through openings of the leaves.

(e) Plants have just one xylem vessel and one phloem vessel.

(f) Phloem is made up of dead cells.

<Thank you very much for your time! >

What does pancreatic juice and intestinal juice contains.

I only wish to know whether which contain the following (Amylase,Protease,Maltase,Lipase)

Thank you so much for your help!

1) What is the diffrence between Glycerol and fatty acids, which one is the simplest form.

2) Is buccal cavity the mouth?

3) What is pepsin and what does it act on.

Solve the following simultaneous equations by the elimination method.

x/5 - y/4 = 1/3

x/2 + y/3 = 5/6

Please show full workings, thank you.

Can anyone describe as fully as possible the chemical composition of lactose?

Which does not belong in the following groups and why.

Liver,Stomach,Small Intestine

Stomach, Small Intestine And Large Intestine

1) Small intestines uses enzymes which digest carbohydrates and proteins to produce?

Carbohydrates -> ?

Proteins -> ?

The question marks refer to what does it produce.

2) Potato chips are cooked in oil, and the chips are rich in two kinds of nutrients. Name the nutrients.

3) Name the molecules produced during the digestion of the following substances

Starch ->

Proteins ->

Fats ->

<Best Answer 10 Points>