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Jady
Questions (8)
Factorise
(X -2y )^2 -16/49
1 answer
602 views
Factorise
20x^2 -x -1
1 answer
544 views
Factorise
2y^2 + y - 3
1 answer
449 views
A water pump produces 9kl of water per hour at height of 70m above the pump. The pump is driven by 3kW electric motor calculate
1
2 answers
1,211 views
A truck pulls a trailer at 75km/h and exerts a uniform pulling force of 800N on the trailer .calculate
1. The work done by the
2 answers
2,425 views
Factorise
X^2y + x^2 -4xy- 16
1 answer
737 views
The cash payments journal used in this problem has only three special amount columns. Under what circumstances would you
2 answers
1,393 views
Three emission lines involving three energy levels in an atom occur at wavelengths x, 1.5x, and 3.0x nanometers. Which
3 answers
1,264 views
Answers (1)
is it the wavelength? I have no idea.
