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Kitty [74]
3 years ago
10

A coin is tossed 6 times. what is the probability that the number of heads obtained will be 2? express your answer as a fraction

or a decimal number rounded to four decimal places.
Mathematics
1 answer:
Valentin [98]3 years ago
4 0
For this you will have to make a tree diagram
it will be so much easier although there is a way to do it

probability of getting heads is = 1/2 there for 10 tosses its (1/20)^10

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2 years ago
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The graph below shows the distances, in miles, that a dragonfly can travel in a certain number of hour. Based on the graph, what
Evgen [1.6K]
The graph provides distance as a linear function of time.
The y-intercept is zero.

The line passes through (0,0) and (6,120).
Calculate the slope.
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d = 20t
where
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d =  distance, miles

Therefore distance is the dependent variable.
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Answers:
(a) Distance is the dependent variable
(b)The equation relating the two variables is
    d = 20t
    where
    t = time, hours
    d = distance, miles
(c) In 24 hours, the dragonfly will travel 480 miles.

6 0
3 years ago
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Mamont248 [21]
Check the picture below

and recall that
 
\bf sin(\theta)=\cfrac{opposite}{hypotenuse}
\qquad
cos(\theta)=\cfrac{adjacent}{hypotenuse}\\\\
-------------------------------\\\\
sin(75^o)=\cfrac{y}{8}\implies 8sin(75^o)=y
\\\\\\
cos(75^o)=\cfrac{x}{8}\implies 8cos(75^o)=x

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