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A gardener uses this formula to work out how much he charges to make a lawn. C = (7(14+A))/3. C is the charge in £, A is the area in m^2. He makes a rectangular lawn measuring 12.5 m by 17.6 m. How much does he charge? [3 marks]

Rectangular Lawn of 12.5 x 17.6m. (Draw Rectangle) Area=Length Height A=12.5 17.6 A=220m^2 Substitute into formula: C=(7(14+A))/3 C=(7(14+220))/3 C=(7(234))/3 C=(1638)/3 C=546 The gardener will charge £546.
JF
Answered by Joshua F. • Maths tutor
5188 Views

Factorise f(x) = 6x^3 -7x^2 -x +2 = 0

Try to find first root: f(1) = 6 - 7 -1 + 2 = 0, therefore x-1 is a root. Find quadratic by inspection: (x-1)( )= 6x^3 -7x^2 -x +2 (x-1)(6x^2 - x - 2) Factorise quadratic: (x-1)(2x+1)(3x-2) = 0
TD
Answered by Tutor40745 D. • Maths tutor
10403 Views

Why was the bay of pigs incident such a major setback for the United States and for President Kennedy?

When Kennedy came into power in January 1961 he made a famous speech in which he said they would fight anyone to 'assure the survival and success of liberty'. By 1961 Fidel Castro was firmly on the side of t...
JL
Answered by Jasmine L. • History tutor
10648 Views

How is a waterfall formed?

A waterfall is created due to the banding of rocks with varying hardness and softness. The harder rock (granite) is more resistant to erosion and so erodes at a different speed to the soft (sandstone). This ...
JL
Answered by Jasmine L. • Geography tutor
10405 Views

Write an article in Japanese entitled 私の町へようこそ(welcome to my town).

私は南東中国に位置する香港で生まれ育った。高層ビルが立ち並ぶ街並み、伝統的な商店街から高級ブランド店まで様々な店があり、買い物好きには一度は行きたい場所の一つ。しかしこの近代的な香港の裏側には広々とした自然が広がっている。ピークトラムに乗ってビクトリアピークから眺める景色や九龍公園の自然は忘れられない。更に香港はクリスマス、中秋節や新年など年中伝統的な祭りやイベントが行われ、季節によって色々なものが楽しめる。そ...
SH
Answered by Sally H. • Japanese tutor
3611 Views