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A ball bounces two-thirds of the distance it falls. If it is dropped from a height
OpenSandy Spencer answered 12 months ago • 
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1. A train was travelling at an average speed of 80km/h. If the train began a journey
OpenSandy Spencer answered 1 year ago • 
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ABCD is a trapezium in which AB//DC and AB=70cm DC=50cm. If P and Q are respectively
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6.738 kg rounded to the nearest 10 grams
OpenSandy Spencer answered 1 year ago • 
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AD is the median of triangle ABC and G divides AD in the ratio 2:1 .Prove that area
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Consider a collection of 5 people. How many more ways can these people be arranged
OpenSandy Spencer answered 1 year ago • 
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5x 3y=4 3x 4y=9
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at what rate percent will the interest on rs 2,520 add up to rs 84 in 8 months
OpenSandy Spencer answered 1 year ago • 
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a number is chosen at random from the numbers:1 to 20. Find the probability that
OpenSandy Spencer answered 12 months ago • 
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The sides of a tetrahedron are 4 equilateral triangles. If the base of each triangle
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please help me …Experiments show that radium at rate proportional to the amount
OpenSandy Spencer asked 12 months ago • 
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prove that if cotx(1 sinx)=4m and cotx(1-sinx)=4n, then (m^2-n^2)^2=mn
OpenSandy Spencer asked 1 year ago • 
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3x 14y = 5xy 21y – x = 2xy kindly solve the pair of linear equation
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I have 50 coins, some 10c and the rest 20c. Altogether they total $8.20. How many
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a milkman has 3 containers of 3litres, 5litres and 8litres.the 8litre container is
OpenSandy Spencer answered 12 months ago • 
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