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OverLord2011 [107]
3 years ago
12

You are certain to get a black or a red card when selecting cards from a shuffled deck. Express the indicated degree of likeliho

od as a probability value between 0 and 1 inclusive.
Mathematics
1 answer:
Vesnalui [34]3 years ago
4 0

Answer:

p=1

Step-by-step explanation:

A deck has a combined 52cards.

Given that you're certain to select a red or black card:-

p(red)=>p(red)=\frac{26}{52}

p(black)=>p(black)=\frac{26}{52}

Therefore total probability of selection is expressed as:-

p=p(red)+p(black)\\p=\frac{26}{52}+\frac{26}{52}\\=1

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Step-by-step explanation:

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Two cars are traveling on two different routes, one 43 miles longer than the other. The car traveling on the longer route travel
Anestetic [448]

Answer:

x1 = 275 miles (shorter)

x2 = 318 miles (longer)

Step-by-step explanation:

Let

x1 = be the shorter route

v1 = speed of the car in the shorter route

t1 = time it took to cover shorter route

x2 = the longer route

v2 = speed of the car in the longer route

t2 = time it took to cover longer route


x1 + 43 = x2   (1)

v2 = v1 -2   (2)


v2 = x2/t2 = x2/6

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This means that

v2 = v1 -2   =>

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The system of equations results

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b.  x1/5 - x2/6 = 2

Solving this system of equations, we find that

x1 = 275 miles

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4 0
3 years ago
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Convert the improper fraction to a mixed number. 17/3=​
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Answer:

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A bag contains 70 pencils out of which 15 are green and 30 blue.(i)How many pencils of other colours. are in the bag?(ii)A penci
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Answer:

i) 25

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Step-by-step explanation:

i) 70 - (15+30)= 25 other colors in the bag.

ii) 30:70

4 0
3 years ago
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