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3 years ago

Plz Answer fast?????

Mathematics

2 answers:

Roman55 [17]3 years ago

5 0

Answer:

add an answer bro

Step-by-step explanation:

Burka [1]3 years ago

5 0

Faith We need a better explanation so we can answer

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Calculate the value of <br> x<br> .

Anika [276]

Answer:

25 degrees

Step-by-step explanation:

2x plus 310 degrees add up to a full circle: 360 degrees.

Therefore, 2x = 360 - 310, or 2x = 50, or x = 25 degrees

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3 years ago

The radius of a circle is decreasing at a constant rate of 0.1 centimeter per second. In terms of the circumference C, what is t

valentinak56 [21]

Answer:

lol its a little difficult for me but the answer is B

Step-by-step explanation:

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3 years ago

Write each rational number in the form a/b, where a and be are integers

gizmo_the_mogwai [7]

I have no clue sorry

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3 years ago

A coin, having probability p of landing heads, is continually flipped until at least one head and one tail have been flipped. (a

Natali [406]

Answer:

(a)

The probability that you stop at the fifth flip would be

$p^4 (1-p) + (1-p)^4 p$

(b)

The expected numbers of flips needed would be

$\sum\limits_{n=1}^{\infty} n p(1-p)^{n-1} = 1/p$

Therefore, suppose that $p = 0.5$ , then the expected number of flips needed would be 1/0.5 = 2.

Step-by-step explanation:

(a)

Case 1

Imagine that you throw your coin and you get only heads, then you would stop when you get the first tail. So the probability that you stop at the fifth flip would be

$p^4 (1-p)$

Case 2

Imagine that you throw your coin and you get only tails, then you would stop when you get the first head. So the probability that you stop at the fifth flip would be

$(1-p)^4p$

Therefore the probability that you stop at the fifth flip would be

$p^4 (1-p) + (1-p)^4 p$

(b)

The expected numbers of flips needed would be

$\sum\limits_{n=1}^{\infty} n p(1-p)^{n-1} = 1/p$

Therefore, suppose that $p = 0.5$ , then the expected number of flips needed would be 1/0.5 = 2.

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3 years ago

What are the coefficients in 9/3+6+9a

Norma-Jean [14]

Answer:

Step-by-step explanation:

cuz it has a variable by it

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2 years ago