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3 years ago

How do you change 3/8 to an equivalent fraction with a denominator of 100

Mathematics

2 answers:

vazorg [7]3 years ago

5 0

To do this, you need to multiply 12.5 on both the numerator and the denominator...

So, 3 x 12.5/8 x 12.5

= 37.5/100

lakkis [162]3 years ago

3 0

I won't give you the answer straight up but I will give you the definition of what you need to do.. To change a fraction into an equivalent fraction with a denominator of 100: 1. establish how many times the given denominator fits (divides) into 100 2. multiply both the numerator and the denominator by that number.

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Answer: a) (1008.34,1019.658) b) (1009.24,1018.76)

Step-by-step explanation:

Since we have given that

n = 75

mean = 1014 hours

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At 95% two sided , z = 1.96

So, confidence interval would be

$\bar{x}\pm z\dfrac{\sigma}{\sqrt{n}}\\\\=1014\pm 1.96\dfrac{25}{\sqrt{75}}\\\\=1014\pm 5.658\\\\=(1014-5.658,1014+5.658)\\\\=(1008.34,1019.658)$

(b) Construct a 95% lower confidence bound on the mean life.

z = 1.65

So, confidence interval would be

$\bar{x}\pm z\times \dfrac{\sigma}{\sqrt{n}}\\\\=1014\pm 1.65\times \dfrac{25}{\sqrt{75}}\\\\=1014\pm 4.76\\\\=(1014-4.76,1014+4.76)\\\\=(1009.24,1018.76)$

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3 years ago

Which inequality is shown in the graph

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Answer:

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Step-by-step explanation:

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2 years ago

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3 years ago

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Answer:

Laurie's maximum depth can be represented using the expressions :

(20 × 3) = 60

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Step-by-step explanation:

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This means that for Laurie to have checked her instrument 3 times :

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Therefore, Laurie's maximum depth can be expressed as (4 × 3 × 5) = 60 feets

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2 years ago

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