math
the diagram below represents a drinking glass of diameter 10cm. it is partially filled to a height of hcm with apple juice. (a) using 3.14 give an expression in term of h for the volume of juice. the actual volume of the juice is 0.471 litres. (b) calculate the value of h.( 1 ...
maths
solve the following pair of simultaneous equations. 2x-3y=13 3x+y=3
maths
karen decorated her mother's birthday cake. one-third of candles are pink, three-eights are yellow, one-quater are blue and the two remaining candles are white. calculate (a). the fraction of candles that are white. (b). the total number of candles on the cake.
MATH
WRITE DOWN THE VALUE OF (4XY)
math
these two rectangles are the similar, rectangle number one: the width is 42cm and the height is 27cm. rectangle two: the width is 56cm find x.
math
expand x^(4-2x)
math
write down the value of 27 1/3
Physics
A 25 kg mass is on a level, rough surface where the force of friction is a constant 15 N. A horizontal applied force of 65 N acts on the mass. The mass is initially at rest. What speed does that mass have after being moved 2.0m?
math
a car uses 25 litres of petrol to travel 200 miles. how many litres of petrol will the car use to travel 450 miles?
math
mr jones buys a new car for $50,000. the car decreases in value at the rate of 30% each year. find the value of the car after two years.
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