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4 years ago

The radius of a circle is 16.4 m. Find the circumference TO THE NEAREST TENTH

Mathematics

2 answers:

stealth61 [152]4 years ago

7 0

Answer:

103.0

Step-by-step explanation:

$\boxed{ \bold{formula = 2 \: \pi \: r}}$

= 2 × 3.14 × 16.4

= 102.992 m

= 103.0 m

krok68 [10]4 years ago

5 0

Answer:

A = 845.0 m^2

Step-by-step explanation:

The appropriate area formula is A = pi*r^2.

Here the area is A = pi*16.4 m)^2, or (to the nearest tenth) A = 845.0 m^2

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3 years ago

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polet [3.4K]

Answer:

Tom spent $3.75 of Skittles

Step-by-step explanation:

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4 years ago

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Write an equation of the line that passes through the given point, (1, 2).

Fiesta28 [93]

Answer:

Step-by-step explanation:

eq. of any line through (1,2) with slope m is

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3 years ago

The Stomping Elephants volleyball team plays 30 matches in a week-long tournament. On average, they win 4 out of every 6 matches

8_murik_8 [283]

Answer:

The mean for the number of matches that they win in the tournament is 20.

Step-by-step explanation:

For each match, there are only two possible outcomes. Either they win, or they do not. The probability of winning a match is independent from other matches. So we use the binomial probability distribution to solve this problem.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The expected value of the binomial distribution is:

$E(X) = np$

The Stomping Elephants volleyball team plays 30 matches in a week-long tournament.

This means that $n = 30$

On average, they win 4 out of every 6 matches.

This means that $p = \frac{4}{6} = \frac{2}{3}$

What is the mean for the number of matches that they win in the tournament?

$E(X) = np = 30\frac{2}{3} = 20$

The mean for the number of matches that they win in the tournament is 20.

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3 years ago