A police officer is concerned about speeds on a certain section of interstate 95. the data accompanying this excersise show the
speeds of 40 cars on a saturday afternoon. The speed limit on this portioin of interstate 95 is 66 mph. Specify the competing hypotheses in order to determind if the average speed is greater than the speed limit. calculate the value of the test statistic
1 answer:
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Solve: 4(6x - 10) = 8x + 40
A 0
B.5/2
c. 23
D. 5
<h3><u>Answer:</u></h3>Option D
The solution to given equation is x = 5
<h3><u>Solution:</u></h3>Given that we have to solve the given equation
4(6x - 10) = 8x + 40
Let us solve the above expression and find value of "x"
Multiplying 4 with terms inside bracket in L.H.S we get,
24x - 40 = 8x + 40
Move the variables to one side and constant terms to other side
24x - 8x = 40 + 40
Combine the like terms,
16x = 80
Thus solution to given equation is x = 5