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Evaluate 25^(3/2) giving your answer as an integer or simplified fraction (2 marks).

Evaluate just means "write this number in a different form/ find the answer". ( Step 1) break down the indices (power) to an integer and fraction (2 parts) eg: 253/2= 253 * 1/2

SG
Answered by Saleh G. • Maths tutor
19998 Views

Write the equation x^2 + 6x - 40 = 0 in the form (x + a)^2 - b = 0 and then solve for x

(x2 + 6x + 9) - 49 = 0
(x + 3)2 - 49 = 0

then to solve

(x + 3)2 = 49
x + 3 = +-7
x = -10 or x = 4

DS
Answered by Darragh S. • Maths tutor
4070 Views

What are the three components required for photosynthesis?

Carbon dioxide, water and sunlight

DA
Answered by Dylan A. • Biology tutor
2411 Views

'Utilitarianism is the best approach to solving moral dilemmas'

Utilitarianism has in its favour a naturalised (definition-deriving what is good from what is natural), common-sense view of ethics. By associating what is good with what is pleasurable and what is bad wi...

HF
2919 Views

Solve the equation 2x^2 + 3x = 9

2x2 + 3x = 92x2 + 3x - 9 = 0(2x - 3)(x+3)2x-3 = 02x = 3x = 3/2x+3=0x=-3x = 3/2 or -3

SN
Answered by Sean N. • Maths tutor
3478 Views

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