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faltersainse [42]
3 years ago
14

One sign shows 15 miles in 20 minutes what is the speed in miles per hour.

Mathematics
1 answer:
emmainna [20.7K]3 years ago
7 0

Answer:

45 miles/hour

Step-by-step explanation:

We need the speed in miles per hour so we need to changes minutes to hours

20 minutes * 1 hour /60 minutes = 1/3 hour

Speed = distance/ time

           = 15 miles/(1/3 hour)

            =15 *3 miles/hour

            = 45 miles /hour

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Answer:

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Answer:

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Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

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P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening.

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Event A: Red ball

Event B: From box A.

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Step-by-step explanation:

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