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3 years ago

How many grams are in 2.25 kilograms

Mathematics

2 answers:

raketka [301]3 years ago

5 0

Answer:

2250 grams

Step-by-step explanation:

Multiply the mass value by 1000.

qwelly [4]3 years ago

3 0

Answer:

2250

Step-by-step explanation:

Multiply the mass value by 1000 2.25 x 1,000

= 2250

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It is thought that not as many Americans buy presents to celebrate Valentine's Day anymore. A random sample of 40 Americans yiel

evablogger [386]

Answer:

98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day

(0.3672 , 0.7328)

Step-by-step explanation:

<u><em>Explanation:</em></u>-

Given Random sample size n =40

Sample proportion

$p = \frac{x}{n} = \frac{22}{40} = 0.55$

98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day

$(p-Z_{\alpha } \sqrt{\frac{pq}{n} } , p + Z_{\alpha } \sqrt{\frac{pq}{n} } )$

The Z-value Z₀.₉₈ = Z₀.₀₂ = 2.326

98% confidence interval of the true proportion of all Americans who celebrate Valentine's Day

$(0.55-2.326\sqrt{\frac{0.55 X0.45}{40} } , 0.55 + 2.326\sqrt{\frac{0.55 X0.45}{40} } )$

( 0.55 - 0.1828 , 0.55 + 0.1828)

(0.3672 , 0.7328)

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andreyandreev [35.5K]

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Elza [17]

Answer: $Formula: P=\frac{\pi d}{2}+d$

Step-by-step explanation:

$Formula: P=\frac{\pi d}{2}+d$

Where;

$P=perimeter\\\pi = pi (3.14)\\d= diameter\\$

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lana [24]

Answer:

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Step-by-step explanation:

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