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iren [92.7K]
3 years ago
14

Trains leave Bristol to Cardiff every 15 minutes to London every 21 minutes A train to Cardiff and a train to London both leave

Bristol at 11am. At what time will a train to Cardiff and a train to London next leave Bristol at the same time?
I don't know please help
​
Mathematics
1 answer:
artcher [175]3 years ago
7 0

Step-by-step explanation:

If we take lcm of 21 min and 15 min we get 105 min

therefore, 105 min after 11 a.m. would be 12:45 p.m.

hope this helps you

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Given the function f(x) = –0. 5|2x 2| 1, for what values of x is f(x) = 6? x = 6, x = –5 x = 5, x = –5 x = 7, x = –6 no solution
maria [59]

There is no solution for the given function \rm f(x) = -0.5|2x+2|+1 when f(x) = 6 option fourth is correct.

It is given that the function  \rm f(x) = -0.5|2x+2|+1

It is required to find the values of x when f(x) = 6

<h3>What is a function?</h3>

It is defined as a special type of relationship and they have a predefined domain and range according to the function.

We have a function:

\rm f(x) = -0.5|2x+2|+1

And f(x) = 6

Putting the value of f(x) in the above equation, we get:

\rm 6 = -0.5|2x+2|+1   or

\rm  -0.5|2x+2|+1= 6\\\\\rm  -0.5|2x+2|= 6-1\\\\\rm  -0.5|2x+2|+5\\\\\rm |2x+2|= \frac{5}{-0.5} \\\\\rm |2x+2|= -10

Here we can see the mod function values is negative which is not possible, hence there is no solution for the above equation for any 'x'

Thus, there is no solution for the given function \rm f(x) = -0.5|2x+2|+1 when f(x) = 6.

Learn more about the function here:

brainly.com/question/5245372

7 0
2 years ago
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