21. A cylindrical pipe touches a wall and the ceiling of a room. The pipe is supported by
a brace. The ends of the brace are 85 cm
from the wall and ceiling. Apply what you
discovered in question 16. What is the
diameter of the pipe? Give the answer to the
nearest centimetre.
85 cm
85 cm​

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).