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Fynjy0 [20]
4 years ago
12

Rachel flips a coin 150 times and finds that the probability of the coin landing heads up is Rachel wants to flip the same coin

15 more times. On the first 14 flips, the coin lands heads up. Which statement best describes the probability of the coin landing heads up on the 15th flip?
a.The probability of the coin landing heads up is



b.The probability of the coin landing heads up is 1.



c.The probability of the coin landing heads up is



d.The probability of the coin landing heads up is
Mathematics
2 answers:
NNADVOKAT [17]4 years ago
8 0

every coin flip, it has a 1/2 probability of landing on heads.

 it doesn't matter what the flips were before it.

Probability is 1/2

Angelina_Jolie [31]4 years ago
7 0

Answer:


Step-by-step explanation:

The answer would be


The probability of the coin landing heads up is 1/2

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8 0
4 years ago
Find the measure of XCY. PLEASE HELP ME AND SHOW WORK
Dovator [93]

Answer:

Measure of angle XCY is 60°.

Step-by-step explanation:

"Measure of all inscribed angles by the same arc in one segment of the circle are equal"

Using this property in the given circle,

m∠XWY = m∠XCY

60x = 61x - 1

61x - 60x = 1

x = 1

By substituting the value of 'x' in the measure of ∠XCY,

m∠XCY = 61x - 1

             = 61(1) - 1

             = 61 - 1

             = 60°

Therefore, measure of angle XCY is 60°.

4 0
3 years ago
What multiplies to be 42 and adds to be 23?
Furkat [3]
A) x * y = 42  (or x = 42/y)
B) x + y = 23

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7 0
3 years ago
Nathan bought a cd for his friend. The length and width of the cd case is 4 18⁄25 inches. What is the area of the cd case?
ale4655 [162]

Answer:

Hence the area of CD bought by Nathan is <em>22.2784 square inches.</em>

Step-by-step explanation:

The length and width of a CD bought by Nathan is 4\frac{18}{25}=\dfrac{118}{25} inches.

As CD have the same length and width this means it will be of the shape of a square.

Hence, the area of CD is given by:

Area of CD=length×width

                 = 4\dfrac{18}{25}\times4\dfrac{18}{25}

                 =\dfrac{118}{25}\times\dfrac{118}{25}

                 =\dfrac{118\times118}{25\times25}

                 =\dfrac{13924}{625}

                 =22.2784

Hence the area of CD bought by Nathan is 22.2784 square inches.


3 0
3 years ago
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