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3 years ago

A car travels 170 miles in 3 hours at this rate how many miles will the car travel in 1/2 hours

1 answer:

8 0

28 miles
Explanation: 170/3=56.667 which is your hourly rate so to get half of that you divide 56.667/2 which gets you 28.333 and when you round that is 28 therefore in half an hour you will go 28 miles

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If the odd against the occurence of an event be 4:7 find the proabilty of the occurence of the event.

Alla [95]

Answer:

$Probability = \frac{7}{11}$

Step-by-step explanation:

Given

$Odds:Occurence = 4:7$

Required

Determine the probability of the occurrence

First, we need to get the total of the ratio

$Total = 4 + 7$

$Total = 11$

Next, is to calculate the required probability as follows;

$Probability = \frac{Occurrence}{Total}$

$Probability = \frac{7}{11}$

<em>Hence, the required probability is </em>

$Probability = \frac{7}{11}$

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3 years ago

Solve system of equation 4b-2d=5, -2b+d=1

Fed [463]

Answer:

no solution

Step-by-step explanation:

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3 years ago

Joey Chestnut can eat 3 hotdogs in 25 seconds. How many can he eat in a minute? How many can he eat in 10 minutes?

statuscvo [17]

First divide 60 by 25.
60/25 = 2.4
Then multiple 2.4 and 3 to find how many hotdogs Joey can eat in a minute (60 seconds).
2.4*3 = 7.2
The answer must be rounded down as he hasn't completed his 8th hotdog yet, so Joey can eat 7 full hotdogs in a minute.
To find how many he can eat in 10 minutes, multiply 7.2 by 10.
10*7.2 = 72
Therefore, Joey can eat 72 hotdogs in 10 minutes.

3 0

3 years ago

Dell Corporation sent five different versions of their email to customers to determine which message was most effective at getti

d1i1m1o1n [39]

Answer:

Field Experiment

Step-by-step explanation:

According to my research on different types of experimentation methods, I can say that based on the information provided within the question this would be called a Field Experiment. This is a type of experiment that is done in the daily lives of the subjects and their environment, and the researcher has no control over the variables surrounding the experiment. This situation can be called a field experiment since the company is sending the emails to potential customers who will view it during their everyday life/routine and the company has no control over any other variables other than the email.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

6 0

3 years ago

Find f (25/29) if f (x)=-5x+5

devlian [24]

Answer:

f(25/29) = $\frac{20}{29}$

Step-by-step explanation:

In order to do this problem, we need to plug in $\frac{25}{29}$ for x. When we plug it in we get $f(x) = -5(\frac{25}{29}) + 5$ . After this we can start by multiplying. When we multiply $-5(\frac{25}{29} )$ we get $(\frac{-125}{29}) + 5$ . Since the fraction cannot be simplified any further, we can now add 5. In order to add 5 we need to find a common denominator, which in this case will be 29. Changing the denominator to 29 gives us $(\frac{-125}{29}) + \frac{145}{29}$ because when changing the denominator we have to multiply the numerator by the same number. After adding these fractions we get our answer of $\frac{20}{29}$ .

5 0

3 years ago

A car travels 170 miles in 3 hours at this rate how many miles will the car travel in 1/2 hours ​

A car travels 170 miles in 3 hours at this rate how many miles will the car travel in 1/2 hours