Roxy Kuramo

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Roxy provided a contribution 3 years ago



Roxy provided a contribution 3 years ago



Roxy provided a contribution 3 years ago

Convert 1.10225 to 4 decimal places. | Mathematics Past Questions

Please I suggest that you look at the answer to this question again. It is meant to be 1.1023

Roxy provided a contribution 3 years ago

Calculate 11024\(_5\) – 3220\(_5\). | Mathematics Past Questions

The question is wrong. It is meant to be subtraction

Roxy provided a contribution 3 years ago

Roxy provided a contribution 3 years ago





Roxy provided a contribution 3 years ago

If \(\alpha\) and \(\beta\) are the roots of the equation \(x^2 + 5x – 2 = 0\). … | Mathematics Past Questions

\( (\alpha-\beta)^2 = (\alpha+\beta)(\alpha-\beta), \)
\( (\alpha+\beta) = -\cfrac{b}{a}, \)
\( (\alpha-\beta) = \cfrac{\sqrt{b^-4ac}}{a} \)


Roxy provided a contribution 4 years ago

In a compound microscope | Physics Past Questions

The answer is wrong.
The focal length of the eye piece is longer than the focal length of the objective lens and they are both convex.

Roxy provided a contribution 4 years ago

A 1000kg elevator is descending vertically with an acceleration of 1.0ms-2, if t… | Physics Past Questions

The elevator is descending so the weight acts in line with the acceleration which is downwards. So according to Newton's law,
mg(weight) -R (tension/reaction) = ma