2 years ago

I need help finding the circumference of this circle

Mathematics

1 answer:

Alla [95]2 years ago

6 0

Radius times 2 = diameter which would be 10 times 3.14 is 31.4 so it’s 31.4

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A test of abstract reasoning is given to a random sample of students before and after they completed a formal logic course. The

Natasha_Volkova [10]

Answer:

The right answer is " $0.2$ ".

Step-by-step explanation:

The given values are:

$\bar{x_0} = 3.7$

$s_o=4.95$

$t_{\frac{0.05}{2} }=2.2621$

As we know,

95% confidence for $\mu_0$ will be:

= $\bar{x_0} \pm t_{\frac{0.05}{2} },n-1\times \frac{s_o}{\sqrt{n} }$

The lower bound will be:

= $3.7-2.2621\times \frac{4.95}{\sqrt{10} }$

= $0.16\simeq 0.2$

The upper bound will be:

= $3.7+2.2621\times \frac{4.95}{\sqrt{10} }$

= $7.23\simeq7.2$

Thus the right answer is " $0.2$ "

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2 years ago

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Answer:

96 or 97

Step-by-step explanation:

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3 years ago

Write 0.63 repeating as a fraction in simplest form

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Answer:

Step-by-step explanation:

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3 years ago

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growth of a particular type of plant. He is testing the effects of four growth factors: lighting, age, temperature, and humidity

GREYUIT [131]

The level of each growth factor is an illustration of a combination

There are 90 ways of combining one level from each growth factors

<h3>How to determine the number of combinations?</h3>

From the complete question (see attachment), we have the number of levels in each growth factor is:

Lighting = 3

Age = 5

Temperature = 2

Humidity = 3

So, the number of combination (n) is:

n = 3 * 5 * 2 * 3

n = 90

Hence, there are 90 ways of combining one level from each growth factor.

I need help finding the circumference of this circle ​

I need help finding the circumference of this circle