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storchak [24]
2 years ago
12

Maria flips a coin 20 times. The coin only lands on tails 9 times. According to theoretical

Mathematics
1 answer:
guapka [62]2 years ago
4 0

Answer:

1

Step-by-step explanation:

A coin only has two outcomes. Meaning that she has a 50/50 chance of landing on each side. So, 50% of 20 is 10. According to the theoretical  probabilty, the coin would have landed on heads 10 times and tails 10 times. So, for that to be true Maria would have had to land on tails one more time.  

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What horsepower is required to lift an 8,000 pound aircraft six feet in two minutes?
Dafna11 [192]

Answer:

The horsepower required is 235440 watt.

Step-by-step explanation:

To find : What horsepower is required to lift an 8,000 pound aircraft six feet in two minutes?

Solution :

The horsepower formula is given by,

W=\frac{mgh}{t}

Where, W is the horsepower

m is the mass m=8000 pound

g is the gravitational constant g=9.81

t is the time t= 2 minutes

h is the height h=6 feet

Substitute all values in the formula,

W=\frac{8000\times 9.81\times 6}{2}

W=\frac{470880}{2}

W=235440

Therefore, The horsepower required is 235440 watt.

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3 years ago
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2 years ago
A correlation of r = 0.85 is found between weekly sales of firewood and cough drops over a 1-year period. Which of the following
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Answer:

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