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3 years ago

Find the measure of each exterior angle for a regular pentagon. Round to the nearest tenth if necessary.

Mathematics

1 answer:

Andreas93 [3]3 years ago

7 0

I hope this helps you

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Sari has to read a book for English class by the end of the week she wants to read at least 200 pages in the first 5 days of the

zimovet [89]

You divide 200 by 5 and you get 40.

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3 years ago

For which function is 5 NOT an element of the range?

Darina [25.2K]

B. y = -2 + 4
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3 years ago

An item is priced at $13.24. If the sales tax is 5%, what does the item cost including sales tax?

cestrela7 [59]

B would be correct cause 5 percent would be .66

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3 years ago

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J= 6 for 15 - j= 21 What’s the answer

Ann [662]

Answer:

15+6=21

15-(-6) = 21

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3 years ago

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There are 10 marbles in a bag. Four are blue, 3 are black and 2 white and 1 red. If the marbles are not replaced once they are d

stich3 [128]

Given:

Given that there are 10 marbles in a bag. 4 are blue, 3 are black, 2 are white and 1 is red.

The marbles are selected by not replacing the drawn ones.

We need to the probability of selected a black marble and then a white marble without replacement.

Probability:

Let B denote the black marble.

Let W denote the white marble.

The probability of selecting a black marble is $P(B)=\frac{3}{10}$

The probability of selecting a white marble without replacement is $P(W)=\frac{2}{9}$

The probability of selecting a black marble and then a white marble without replacement is given by

$P(B \ and \ W)=P(B) \cdot P(W)$

Substituting the values, we get;

$P(B \ and \ W)=\frac{3}{10} \cdot \frac{2}{9}$

$P(B \ and \ W)=\frac{6}{90}$

$P(B \ and \ W)=\frac{1}{15}$

Thus, the probability of selecting a black marble and then a white marble without replacement is $\frac{1}{15}$

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3 years ago