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Paladinen [302]
3 years ago
8

(2.5-6.7)^2÷2/5 simplify. ​

Mathematics
2 answers:
kipiarov [429]3 years ago
8 0

Answer

44.1

Step-by-step explanation:

(-4.2)^2/2/5

17.64/2/5

44.1

Svet_ta [14]3 years ago
6 0
The answer is 88.2 I believe
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Please help me this is due in less than 45 minutes!
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Answer:

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Step-by-step explanation:

If the universal = 60

We need to first get the value of X. That is,

x (x - 2) + x + 2x + 8 + 10 = 60

First open the bracket

x^2 - 2x + x + 2x + 8 + 10 = 60

x^2 + x + 18 = 60

x^2 + x - 42 = 0

Factorise the above equation

x^2 + 7x - 6x - 42 = 0

x (x + 7) -6(x + 7) = 0

x = 6 or - 7

Since x can't be negative, so we will ignore -7

The value for T = 6(6 - 2) = 6×4 = 24

The value for B = 2(6) + 8 = 12 + 8 = 20

If a painting is chosen from random,

If it's from 20th century, the probability will be 34/60 = 0.567

If it's from British painting, the probability will be 30/60 = 0.5

We can therefore conclude that it's from 20th century painting since it has higher value of probability.

The the probability of choosing a British painting will be 30/60 = 0.5

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3 years ago
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