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3 years ago

Ratio and Proportion can be used to convert weights between different systems of measurement. True False

Mathematics

2 answers:

sergeinik [125]3 years ago

7 0

The answer you are looking for is true

Dahasolnce [82]3 years ago

3 0

Answer:

The answer is true.

Step-by-step explanation:

Ratio and Proportion can be used to convert weights between different systems of measurement. This is true.

When we are given any problem with different measurements, then we should first convert the problem in such a unit that all units are the same.

We can define ratio as a comparison between two numbers.

Whereas the proportion is a comparison between two ratios.

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If ~ p: 2 + 2 =4

Art [367]

Answer:

A. $\displaystyle 2 \times 2 = 4$

Step-by-step explanation:

I could not make clarifications of what you are asking, but this is similar to $\displaystyle 2 + 2 = 4.$

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3 years ago

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Joe heard from a reliable source that only 22% of people actually sleep 8 hours or more per night. You do a survey and find 58 o

Juliette [100K]

Answer:

95% Confidence interval: (31.32%,47.04%)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 148

Number of people who sleep for 8 hours or longer, x = 58

$\hat{p} = \dfrac{x}{n} = \dfrac{58}{148} = 0.3918$

95% Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

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Putting the values, we get:

$0.3918\pm 1.96(\sqrt{\dfrac{0.3918(1-0.3918)}{148}})\\\\ = 0.3918\pm 0.0786\\\\=(0.3132,0.4704)=(31.32\%,47.04\%)$

(31.32%,47.04%) is the required 95% confidence interval.

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3 years ago

If one cup is equal to 8 fluid ounces, how many fluid ounces are in 4 cups? Input only whole numbers.

Levart [38]

4 cups = 32 oz. (:

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2 years ago

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Can you help me with a question? What is the equation of the blue line?

Artist 52 [7]

Answer:

y = -x - 1

Step-by-step explanation:

y = mx + b

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2 years ago

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Elza [17]

Answer:

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Step-by-step explanation:

hope it helps..................

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2 years ago

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