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Maths
GCSE

Factorise 6x^2 - 12x

common factor is 6x therefore it is 6x(x-2)

HH
Answered by Huy H. Maths tutor
6009 Views

Simplify 125^-2/3

125^-2/3= 1/125^2/3=1/(cube root(125))^2=1/5^2=1/25

AW
Answered by Amy W. Maths tutor
3128 Views

A prism with a triangular cross section has volume 120cm^3. The base of the triangular face has length 6cm. The width of the prism is 10cm. The height of the triangular face is h. Find h.

Cross sectional area: half base x height = (6/2)h = 3h , Volume of prism: Cross sectional area x width, this gives: 3h10 = 120, rearrange: 3h = 12, Find h: h = 4cm.

JV
Answered by Jake V. Maths tutor
4701 Views

Factorise fully: 3x - 9x^2

3x(1-3x)

JV
Answered by Jake V. Maths tutor
6666 Views

Part 1 of a test has 60 marks, Part 2 has 100 marks. James scores 75% on part 1 and 48% on part 2. To pass the full test, he needs 60% of the total marks, does he pass?

75% of 60: 0.7560 = 45 , 48% of 100: 0.488100 = 48 , His total marks: 45+48 = 93 , Total marks available: 100+60 = 160 , His final percen...

JV
Answered by Jake V. Maths tutor
3659 Views

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