3 years ago

If the diameter is 2 how many inches across is it

Mathematics

1 answer:

kakasveta [241]3 years ago

8 0

The diameter is the distance across a circle

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A room contains three urns: u1, u2, u3. u1 contains 3 red and 2 yellow marbles. u2 contains 3 red and 7 yellow marbles. u3 conta

Archy [21]

Answer:

$\dfrac{11}{30}$

Step-by-step explanation:

Urn U1: 3 red and 2 yellow marbles, in total 5 marbles.

The probability to select red marble is $\dfrac{3}{5}=0.6.$

Urn U2: 3 red and 7 yellow marbles, in total 10 marbles.

The probability to select red marble is $\dfrac{3}{10}=0.3.$

Urn U1: 1 red and 4 yellow marbles, in total 5 marbles.

The probability to select red marble is $\dfrac{1}{5}=0.2.$

The probability to choose each urn is the same and is equal to $\frac{1}{3}.$

Thus, the probability that the marble is red is

$\dfrac{1}{3}\cdot 0.6+\dfrac{1}{3}\cdot 0.3+\dfrac{1}{3}\cdot 0.2=\dfrac{1.1}{3}=\dfrac{11}{30}.$

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3 years ago

1) SHOW WORK: Evaluate f(-2):

babymother [125]

Answer:

- 10 and 60

Step-by-step explanation:

To evaluate f(- 2) substitute x = - 2 into f(x)

f(- 2) = (3 × - 2) - 4 = - 6 - 4 = - 10

To evaluate f(8) substitute x = 8 into f(x)

f(8) = 8² - 4 = 64 - 4 = 60

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3 years ago

Read 2 more answers

In a sample of 5000 flips of a fair coin, tails will always come up 2500 times.

rodikova [14]

true or false? no question?

if so

Faults because 50% is based on each time you flip not the total amount

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3 years ago

What is number four? NEED BY 6:30 AM

nadya68 [22]

Answer:956012

Step-by-step explanation:

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4 years ago

mariah has been hired as a receptionist.She is paid a flat rate of $225 each week and ears an additional $11.25 for every hour t

blsea [12.9K]

675 = 225 + 11.25h <== ur equation

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4 years ago