When flipping a coin three times, what is the probability of landing on tails all two times?

Mathematics

2 answers:

xenn [34]2 years ago

5 0

I believe it is A or B

nata0808 [166]2 years ago

5 0

C)3/8 I know I am right...

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A force F1 of magnitude 6.00 units acts at the origin in a direction 30.0 above the positive x axis. A second force F2 of magnit

kumpel [21]

F1 = 6*cos(30) i + 6*sin(30) j = 5.20 i + 3 j
F2 = 0 i + 5 j 

R = F1 + F2 
Add the 'i's together (x direction) and the 'j's together (y direction) 
R = (5.20 + 0) i + (3 + 5) j = 5.2 i + 8 j 

Magnitude: 
||R|| = √(5.2^2 + 8 ^2) = √91 = 9.54 

Direction: 
Θ = atan ( Rj / Ri ) = atan( 8 / 5.2 ) = 57.0⁰

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2 years ago

Simplify 64 A. 4 B. -4 C. 8 D. 32

kkurt [141]

The answer is c. Because 8*8=64

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3 years ago

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A book sold 31,700 copies in its first month of release. Suppose this represents 8.8% of the number of copies sold to date. How

elena-14-01-66 [18.8K]

For this case we propose a rule of three:

31700 ------------> 8.8%