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3 years ago

Josh and Raheem both invest some money.

Mathematics

1 answer:

sveticcg [70]3 years ago

4 0

Answer:

Raheem

Step-by-step explanation:

Josh :

using simple interest formula :

Final amount = P(1 + rt)

Final amount = 1200(1 + 0.04*5)

Final amount = 1200(1.2)

Final amount = £1440

Raheem :

Using compound interest formula :

Final amount = P(1 + r/n)^nt

Final amount = 1250(1 + 0.03)^5

Final amount = 1250(1.03)^5

Final amount = £1449.09

Raheem has more money

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Andre45 [30]

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Step-by-step explanation:

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3 years ago

A clothes shop has some special offers. T-shirts are buy one get one free and jumpers are 3 for 2. The normal price of a T-shirt

MAXImum [283]

Answer:

£17.20

Step-by-step explanation:

A clothes shop has some special offers. ?

The normal price of a T-shirt is £7.40 The normal price of a jumper is £9.80.

T-shirts are buy one get one free Jumpers are 3 for 2.

How much does it cost to get 5 jumpers and 2 T-shirts using this offer as appropriate?

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3 years ago

The number of flaws per square yard in a type of carpet material varies with mean 1.4 flaws per square yard and standard deviati

oksian1 [2.3K]

According to the Central Limit Theorem, the distribution of the sample means is approximately normal, with the mean equal to the population mean (1.4 flaws per square yard) and standard deviation given by:
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The z-score for 1.5 flaws per square yard is:
$z=\frac{1.5-1.4}{0.09}=1.11$
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Answer:

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Step-by-step explanation:

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