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oksano4ka [1.4K]
3 years ago
10

Nguyen jogged 2/3 mile in 1/12 hour. What was his speed in miles per hour?

Mathematics
1 answer:
natali 33 [55]3 years ago
6 0
His speed is 8 miles an hour. 2/3 x 12/1 = 24/3 = 8
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If 4 tickets to the zoo cost a total of $12.00, how many tickets may be purchased for $51.00?
garik1379 [7]

Answer:

d) 17

Step-by-step explanation:

51/12 = 4.25

4*4.25=17

3 0
3 years ago
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Imagine you are a financial analyst at an investment bank. According to your research of publicly-traded companies, 60% of the c
lilavasa [31]

Answer:

0.0667 = 6.67% probability that the shares of a company that fires its CEO will increase by more than 5%.

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

P(B|A) is the probability of event B happening, given that A happened.

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

P(A) is the probability of A happening.

In this problem:

Event A: Company fires the CEO

Event B: Shares increase by more than 5%.

Probability of a company firing it's CEO:

35% of 100 - 4 = 96%(shares did not increase by more than 5%).

60% of 4%(shared did increase by more than 5%).

So

P(A) = 0.35*0.96 + 0.6*0.04 = 0.36

Intersection of events A and B:

Fires the CEO and shared increased by more than 5%, is 60% of 4%. So

P(A \cap B) = 0.6*0.04 = 0.024

Probability that the shares of a company that fires its CEO will increase by more than 5%.

P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.024}{0.36} = 0.0667

0.0667 = 6.67% probability that the shares of a company that fires its CEO will increase by more than 5%.

5 0
3 years ago
Which of the following is true about similar right triangles ?
vodka [1.7K]

Answer:

b

Step-by-step explanation:

because its alternation

3 0
3 years ago
A smart phone manufacturer uses 10 ounces of gold circuitry to make 5,200 smart phones. If they made 7,800 smart phones last mon
padilas [110]

Answer:

$19,500

Step-by-step explanation:

In this question, the first thing we do

Is to calculate the amount of gold that was used in making 7,800 smartphones. We proceed as follows:

Firstly, 10 ounces made 5,200 smartphones, then x ounces will make 7,800 smartphones

Thus 10 * 7,800 = 5,200 * x

x = 78,000/5200 = 15 ounces

This means that 7,800 smartphones were made using 15 ounces of gold

Now, we know that the value of an ounce is $1,300. Thus, the value of 15 ounces would be 15 * 1,300 = $19,500

8 0
3 years ago
A factory's quality assurance specialist can inspect 28 hard drives in 40 minutes. How many minutes will it take the specialist
stiv31 [10]

Answer:

It will take 280minutes to inspect 196 hard drives

Step-by-step explanation:

If. 28hd=40min

Then. 196hd=x. cross multiply

28hdx=7840hdmin

\frac{28hdx}{28hd}  =  \frac{7840hdmin}{28hd}

x=280minutes

6 0
3 years ago
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