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ira [324]
2 years ago
9

Mr Watkins needs to buy some oil for his central heating, Mr

Mathematics
1 answer:
aksik [14]2 years ago
7 0

Answer:

Step-by-step explanation:

1500 - 850 litres  = 650 litres

 

Cost = 650litres * 67.2p/litre *0.95   = 41496p = £41.50 to the nearest p (assuming the p represents pence Sterling)

 

The 0.95 is because he pays 95% of the basic price (i.e. 5% off)

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If sin 20 degree=a and cos20 degree=b then which of the following represents the correct value of sin 70 degree in terms of a an
Scorpion4ik [409]

ANSWER

3) b

EXPLANATION

Given that:

\sin(20 \degree)  = a

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This implies that,

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5 0
3 years ago
5 x + 5 = -5 <br>what is x?​
romanna [79]

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If x = -3, what is the value of (1 - x)^3? Explain why
Anna007 [38]
Hello,

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(1 - (-3)³
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3 years ago
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