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Leno4ka [110]
3 years ago
15

Nick and June win some money and share it in the ratio 4:5. Nick gets £40. How much did June get?

Mathematics
1 answer:
sineoko [7]3 years ago
8 0

Answer:

June gets \£50

Step-by-step explanation:

Let

x ----> amount of money Nick gets

y ----> amount of money June gets

we know that

\frac{x}{y}=\frac{4}{5} -----> equation A

x=40 ----> equation B

solve the system by substitution

substitute equation B in equation A

\frac{40}{y}=\frac{4}{5}

solve for y

Multiply in cross

(40)(5)=y(4)\\y=200/4

y=\£50

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Answer:

Test statistic = 1.664

Step-by-step explanation:

The hypothesis :

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H1 : μ ≠ 47.2

Given that :

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Standard deviation, σ = 1.9

The test statistic :

(xbar - μ) ÷ (σ/√(n))

T = (47 - 47.2) ÷ (1.9/√(250))

T = (0.2 / 0.1201665)

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2 years ago
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Answer:

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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I hope it will help you

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3 years ago
which value correctly represents the number that is 10 times as great as five hundred eighty-one thousandths?
valentinak56 [21]
a= 581.000*10 \\ \\ \boxed{a=5.810.000}
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3 years ago
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