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alexgriva [62]
3 years ago
15

To trifles cost £7 how much was six trifles

Mathematics
2 answers:
Katena32 [7]3 years ago
4 0

Answer:

2 pounds

Step-by-step explanation:

as u divide it by 7 and times by 6

blondinia [14]3 years ago
4 0

Answer:£21

Step-by-step explanation: because 2x3=6

then you do £7x3=£21 is the price of six triffles

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1 year ago
Write x2 - 8x + 13 = 0 in the form (x - a)2 = b, where a and b are integers. a.)(x - 4)2 = 3 b.) (x - 3)2 = 2 c.)(x - 2)2 = 1 d.
loris [4]
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x² - 2ax + a² = b                                 ⇒ x² - 2ax + a² - b = 0

Our equation is                x² - 8x + 13 = 0.
The general formula is    x² - 2ax + (a² - b) = 0

Thus:
8x = 2ax    and a² - b = 13

Divide both sides of the first equation (8x = 2ax) by x:
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Now when we have a and b, let's just replace them in the general equation:
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2 years ago
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