math

Given the digits: 3 ; 4 ; 5 ; 6 ; 7 ; 8 and 9 11.1 Calculate how many unique 5-digit codes can be formed using the digits above, if: 11.1.1) The digits may be repeated (2) 11.1.2) The digits may not bc repeated (2) 11.2 How many unique 3-digit codes can be formed … Read more

PON is a diameter of the circle centred at O. TM is a tangent to the circle at M, a point on the circle. R is another point on the circle such that OR Il PM. NR and MN are drawn. Let ill = 66 0PON is a diameter of the circle centred at O. … Read more

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In the diagram the equation of the circle with centre F is (x – 3)2 + (y – 1)2 = r2 .S(6 ; 5) is a point on the circle with centre F. Another circle with centre G(m ; n) in the 4th quadrant touches the circle with centre F, at H such that FH … Read more