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Bas_tet [7]
3 years ago
10

Find the solution to the equation 8x + 6 - 2x = 6x +5

Mathematics
2 answers:
djyliett [7]3 years ago
8 0
8x + 6 - 2x = 6x + 5....combine like terms on the left side
6x + 6 = 6x + 5
6x - 6x = 5 - 6
0 = -1 (incorrect)
This has no solution

** if ur solution ends with a variable equaling a number, then there will be 1 solution.
if ur solution ends with no variables, but a true statement, such as 5 = 5 or 2 = 2....then there is infinite solutions.
if ur solution ends with no variables and a false statement, such as 5 = 4 or 0 = 3...then there is no solutions
Hunter-Best [27]3 years ago
4 0
The answer is no solution. 
First you simplify both sides of the equation... Then you subtract 6x from both sides. And lastly you subtract 6 from both sides. Leaving you with no solutions.
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Answer:

The  95% confidence interval is  295.9 < \mu< 324.1

A   95% level of confidence mean that there is 95%  chance  that the true population mean will be in this interval

Step-by-step explanation:

From the question we are told that

    The sample size is  n  =  25

    The mean is  \= x  =  310 \ mg

     The standard deviation is  \sigma =  36 \ mg

Given that the confidence level is  95% then the level of significance is mathematically represented as

           \alpha  =  100 - 95

=>        \alpha  =  5\%

=>        \alpha  =  0.05

Next we obtain the critical value of  \frac{\alpha }{2} from the normal distribution table , the value is  

           Z_{\frac{\alpha }{2} } =Z_{\frac{0.05 }{2} }  =  1.96

Generally the margin of error is mathematically represented as

        E =  Z_{\frac{\alpha }{2} } *  \frac{\sigma }{\sqrt{n} }

substituting values

        E =  1.96 *  \frac{36 }{\sqrt{25} }

        E = 14.1

The 95% level of confidence interval  is mathematically represented as

      \= x - E < \mu

substituting values

     310- 14.1 < \mu< 310+ 14.1

     295.9 < \mu< 324.1

The  95% level of confidence mean that there is 95%  chance  that the true population mean will be in this interval

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Step-by-step explanation:

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