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scoray [572]
3 years ago
7

Three fair coins are flipped. What is the probability of getting more heads than tails? The probability of getting more tails th

an heads?
Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
8 0
Half half for both (since all three are fair coins). 

If you actually write it out, the choices are: HHH, HHT, HTT, HTH, TTT, TTH, THT, THH.  
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In a set of real numbers, the first number less then -3 is -4<br> true <br> or<br> false
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true

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An equilateral triangle is similar to a scalene triangle. True or False
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Answer:

False.

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2 years ago
It takes Lucas 3 hours to cycle from his home to his friends village but if travels 5 mph slower, it will take him 1.5 hours lon
Alika [10]

The distance from friend's village to Lucas's house is 45 miles

Step-by-step explanation:

Lets assume the distance from Lucas home to friend's village is x miles

The time taken to cycle from Lucas home to friend's village is 3 hrs....t₁

The time taken if travelling at a 5 mph reduced speed is 1.5 hrs longer......t₂

t₂=4.5 hrs

t₁= 3 hrs

Speed for cycle in first instance, where t₁=3 hrs and distance is x miles

s₁=d/t = x/3 mph

Speed for cycle if travelling at a slower speed,

s=\frac{x}{3}-5

Time taken in the second instance when travelling at a slower speed

=\frac{x}{\frac{x}{3}-5 }=4.5\\ \\\frac{3x}{x-15} =4.5\\\\\\3x=4.5(x-15)\\\\3x=4.5x-67.5\\\\\\67.5=4.5x-3x\\\\\\67.5=1.5x\\\\\\67.5/1.5=x\\\\\\45=x

The distance from friend's village to Lucas's house is 45 miles

Learn More

Formula for speed:brainly.com/question/13664094

Keywords: cycle,home, village, travels,slower,longer

#LearnwithBrainly

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3 years ago
What is the answer (x + 3)2 – 5 = 0
ElenaW [278]

x= -1/2 is the answer to your question. Mark as brainliest!!!!

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2 years ago
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