The thicknesses of 83 randomly selected ceramic tiles were found to have a standard deviation of 1.79. Construct the 80% confidence interval for the population standard deviation of the thicknesses of all ceramic tiles in this factory. Round your answers to two decimal places.

3< x< 5

step-by-step explanation:

|x - 4| < 1

there are two solutions, one positive and one negative.   remember to flip the inequality when taking the negative solution

x-4 < 1       x-4 > -1

add 4 to each side

x-4+4 < 1+4       x-4+4 > -1+4

x< 5                 x> 3

3< x< 5

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

$18 was the price of the t-shirt

step-by-step explanation:

-2 is the right