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theresa5
18 M
Ghana, Africa

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More About theresa5
theresa5 is of black / african origin, single, living with his parents and wants to be a dad one day. He has graduated from high school.

CORE MATHS Question 1 The total surface area of two spheres are in the ratio 9 : 49. If the radius of the smaller sphere is 12 cm, find, correct to the nearest cm3,the volume of the bigger sphere. b.A cyclist starts from a point X and rides 3 km due West to a point Y. At Y, he changes direction and rides 5 km North-West to a point Z. (i) How far is he from the starting point, correct to the nearest km? (ii) Find the bearing of Z from X, to the nearest degree. Question 2 (a)The area of trapezium PQRS is 60 cm2. PQ// RS , / PQ/ = 15 cm , / RS / = 25 cm and PSR = 30o. Calculate the : i)Perpendicular height of PQRS ; ii) PS . (b)Ade received of a sum of money, Nelly of the remainder while Austin took the rest. If Austins share is greater than Nellys share by N 3000, how much was did Ade receive. Question 3 (a) P varies directly as Q and inversely as the square of R . If P = 1 when Q = 8 and R = 2, find the value of Q when P = 3 and R = 5. (b) An aeroplane flies from town A(20oN, 60oE) to town B(20oN, 20oE). (i) If the journey takes 6 hours, calculate, correct to 3 significant figures, the average speed of the aeroplane. (ii) If it then flies due north from town B to town C, 420 km away, calculate, correct to the nearest degree, the latitude of town C. [Take radius of the earth = 6400 km and = 3.14 Question 4 A library received a 1,300 grant. It spend 10% of the grant on magazine subscriptions, 35% on new books, more details >>

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