Solve
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Solve
In this inequality
What is the smallest possible value for
For the expression
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Find the value of
The weight (
Which pair of values satisfy this inequality?
What is the highest possible value for
Simplify
Find the reciprocal of
Simplify
Simplify
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Simplify
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Express
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Express
Simplify the expression
Simplify the expression
Find
Solve the equation
Solve the equation
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Factorise the expression
Factorise the expression
Factorise the expression
Factorise the expression
Factorise the expression
Expand and simplify the expression
Expand and simplify the expression
Expand and simplify the expression
Expand and simplify the expression
Simplify the expression
Simplify the expression
Simplify the expression
Simplify the expression
Simplify the expression
Simplify the expression
Simplify the expression
Simplify the expression
Simplify the expression
Simplify the expression
The container shown is initially full of water.
Water leaks out of the bottom of the container at a constant rate.
Which graph best shows the depth of water in the container as time varies?
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C. | D. |
Which of the following could be the graph of
A composite solid is shown. The top section is a cylinder with a height of 3 cm and a diameter of 4 cm. The bottom section is a hemisphere with a diameter of 6 cm. The cylinder is centred on the flat surface of the hemisphere.
Find the total surface area of the composite solid in cm², correct to 1 decimal place. (4 marks)
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Two similar right-angled triangles are shown.
The length of side
The area of triangle
Calculate the length in centimetres of side
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A sphere and a closed cylinder have the same radius.
The height of the cylinder is four times the radius.
What is the ratio of the volume of the cylinder to the volume of the sphere?
Simplify
A group of 485 people was surveyed. The people were asked whether or not they smoke. The results are recorded in the table.
A person is selected at random from the group.
What is the approximate probability that the person selected is a smoker OR is male?
Approximately 71% of Earth’s surface is covered by water. Assume Earth is a sphere with a radius of 6400 km.
Calculate the number of square kilometres covered by water. (2 marks)
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Which of the following is
Solve
A new test has been developed for determining whether or not people are carriers of the Gaussian virus.
Two hundred people are tested. A two-way table is being used to record the results.
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What is the probability that the test results would show this? (2 marks)
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