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Nitella [24]
3 years ago
10

Convert 72 miles per hour into feet per second: Show all work.​

Mathematics
2 answers:
koban [17]3 years ago
6 0

Answer:

Step-by-step explanation:

72 mph = 105.6 ft per second

Thanks to google.com

Veronika [31]3 years ago
3 0

Answer:

105.6 feet per second.

Step-by-step explanation:

We need to convert 72 miles per hour into feet per second.

1 mile = 5280 feet

1 hour = 3600 seconds

Using these conversions, we get

72 mile = 380160 feet

Now,

72\text{ miles per hour}=\dfrac{72\text{ miles}}{1\text{ hour}}

72\text{ miles per hour}=\dfrac{380160\text{ feet}}{3600\text{ seconds}}

72\text{ miles per hour}=105.6 \text{ feet per second}

Therefore, the required value is 105.6 feet per second.

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A rare mutation only occurs in 1 in every 2048 generations of fruit flies. We can assume that whether or not the mutation occurs
sergey [27]

Answer:

(A) 0.0244

(B) 1 (not 1.47 as is calculated) since probability values are between 0 and 1; 0 and 1 inclusive

Step-by-step explanation:

The rare mutation only occurs in 1 generation, out of every 2048 generations. This implies that the next occurrence will fall in or within the next 2048 generations (2 generations in 4096 generations, will have the rare mutation).

(A) The probability of occurrence of this mutation at least once (at most infinity) in 50 generations of fruit flies will surely be less than, as 50 is less than 2048.

The accurate probability is gotten when 50 is divided by 2048

50÷2048 = 0.0244

(B) The probability of seeing this mutation at least once (at most infinity) in 3000 generations would have been 1.47 but for 3 reasons;

- The full question already tells that the mutation will occur once in every 2048 generations and 3000 is greater than 2048, hence there will be a sure occurrence within 3000 generations.

- Question (b) asks you to calculate the probability of seeing this mutation at least once in 3000 generations so, the probability is 1 (representing full probability).

- In probability theory or statistics, all probability values fall within 0 and 1; with 0 representing no occurrence at all and 1 representing full occurrence.

5 0
3 years ago
A raft traveled 24 miles upstream on a river in 6 hours. The return trip took the raft 3 hours. What is the rate of the raft in
Lynna [10]

Answer:

                                                                   

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
21 is 84 percent of what number
marysya [2.9K]
Let the required no. be x then according to question
(84/100)*x = 21
x = 21*(100/84)
x = 2100/84
x = 25


hence the required no. is 25


hope it helped
5 0
3 years ago
The perimeter of a rectangle is represented by the expression 12x-2812x−28. The length of the rectangle is represented by the ex
Minchanka [31]

Answer:

339,006 that's the answer

8 0
2 years ago
A function models the growth of a sample starting with 40 bacteria with the ability to double every two hours. Which graph
natima [27]

Answer:

The function is y = 40 * 2^(x/2)

The graph is in the image attached

Step-by-step explanation:

The function that models this growth is an exponencial function, that can be described with the following equation:

y = a * b^(x/n)

Where a is the inicial value, b is the rate of growth, x is the time and n is the relation between the time and the rate (the rate occurs for every two hours, so n = 2).

Then, using a = 40, r = 2 and n = 2, we have:

y = 40 * 2^(x/2)

If we plot this function, we have the graph shown in the image attached,

It is an exponencial graph, where the value of y increases very fast in relation to the increase of x.

7 0
3 years ago
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