Hi all, ps help. Many tks and God Bless:) (1) James used 4/7 of his screws and 3/5 of his nails to construct a wooden cupboard. In the end, he had an equal number of screws and nails left. Given that James had a total of 145 screws and nails at first, how many nails did he use to construct the wood...

bumpz!

I'm a person who likes to solve maths questions, and I have noticed that quite a few parents are seeking help on it. I will be happy to help anyone, parents or students, who needs help in solving a maths question =) have also set up a Facebook page if you want to post your picture of the problem eas...

Kindly help with the following qn, thanks. Without drawing the graphs, explain why the simultaneous equations y = -2x + 5 y = 2x - 33 have no solution Hi, is there any typo error in the question? I am able to find the solution, which is x= 9.5 and y=-14. ...... likewise. But since it has been a whi...

ozora wrote:May I know is there any other alternative method to find 2 to power of 20 besides using calculator?
Any short cut method or formula?

Don't really have any smart ideas, but you can try...

2^20
= 4^10
= 16^5
= 16*16*16*16*16

Please help the following qtn, thks! Find the smallest positive integer, n, such that 42n is a multiple of 180 Reduce 180 and 42 to multiples of prime numbers. 180 = 2 * 2 * 3 * 3 * 5 42 = 2 * 3 * 7 Some numbers must be multipled to 42 in order to become a multiple of 180. These numbers must includ...

Can anyone help me with this question. 1. The sine of an angle is 0.7420. Give two possible values for the angle in degrees. Answer: ______________ or ______________ :thankyou: sin (angle) = positive, when 0 < angle < 180 sin (angle) = negative, when 180 < angle < 360 Since sin (angle) = 0.7420 -> ...

Need help with the following A car and a motorcycle travelled from Bugis to Kallang and the speed-time graph of their journey is shown below. Both vehicles left Bugis together and took the same route. Find (c) the time t at which the motorcycle overtook the car. (You may assume that t > 2) [img][IM...

questionable_i wrote: 2. The coordinates of the point P and Q are (-2,7) and (3,-6) respectively.
(a) Find the equation of the line joining the points P and Q.
(b) Hence, find the coordinates of the point where the line PQ crosses the x-axis.

Can anyone help me with these two questions? 1. It is given that O is the origin, A is the point (2,1) and B is the point (12,10). (a) Find the equation of line AB (b) A straight line l is parallel to the line AB and passes through the origin. Write down the equation of the line l http://i.imgur.co...