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Australia
Question 6 For the series \( 27,-9,3,-1 \ldots \), find: (i) the first term and the common ratio (ii) the sum of the first 6 terms
Pre Algebra Jan 19, 2025
IMU Question 5 For the series 7, 4, 1, - 2 ... find: (i) the first term and common difference (ii) the sum of the first 6 terms. (
Arithmetic Jan 19, 2025
IMU Question 5 For the series \( 7,4,1,-2 \ldots \), find: (i) the first term and common difference (ii) the sum of the first 6 terms.
Arithmetic Jan 19, 2025
IMU Question 4 The thrust \( T \) of a propeller varies jointly as the square of the number \( n \) of revolutions per second and the fourth power of its diameter \( d \). What is the effect on \( T \) if \( n \) is doubled and \( d \) is halved? ( 3 marks)
Algebra Jan 19, 2025
IMU Question 4 The thrust \( T \) of a propeller varies jointly as the square of the number Module Review and the fourth power of its diameter \( d \). What is the effect on \( T \) if \( n \) is doubled and \( d \) is halved? ( 3 marks)
Algebra Jan 19, 2025
IMU Question 3 It has been found the generally the time, \( t \), taken to a puzzle varies directly with the number of pieces, \( n \), and inversely with the number of people, \( p \), working on it. If it takes 4 people 36 minutes to solve and 180 piece puzzle, how long will it take 6 people to solve a 420 piece puzzle?
Algebra Jan 18, 2025
IMU Question 3 It has been found the generally the time, \( t \), taken to a puzzle varies directly with the number of pieces, \( n \), and inversely with the number of people, \( p \), working on it. If it takes 4 people 36 minutes to solve and 180 piece puzzle, how long will it take 6 people to solve a 420 piece puzzle?
Algebra Jan 18, 2025
IMU Question 3 It has been found the generally the time, \( t \), taken to a puzzle varies directly with the number of pieces, \( n \), and inversely with the number of people, \( p \), working on it. If it takes 4 people 36 minutes to solve and 180 piece puzzle, how long will it take 6 people to solve a 420 piece puzzle?
Algebra Jan 18, 2025
\( \ell \) contains the points \( \left(-\frac{9}{2},-1\right) \) and \( \left(3, \frac{11}{4}\right) \). Find the distance between \( \ell \) and the point \( R\left(\frac{3}{2},-\frac{11}{2}\right) \) und your answer to the nearest tenth.
Geometry Jan 18, 2025
What is a scatter plot?
Statistics Jan 17, 2025
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