Angle ABC is similar to Triangle DEF. D
15 cm
А
5 cm
4 cm
B 3 cm C
E
9 cm
hich proportion can be used to find the length of DE in centimeters?

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to

Acone is placed inside a cylinder. the cone has half the radius of the cylinder, but the height of each figure is the same. the cone is tilted at an angle so its peak touches the edge of the cylinder’s base. what is the volume of the space remaining in the cylinder after the cone is placed inside it?

At all trials and hearings, a court reported types every word spoken during the proceedings so that there is a written record of what transpired. because they must type every word, the average court reporter must be able to type a minimum rate of 3.75 words per second in order to be certified. suppose a trial transcript contains 25 pages with an average of 675 words per page. assuming the court reporter typed the transcript at the minimum rate, how long was she actively typing? a) 1 hour, 15 minutes b) 1 hour, 45 minutes c) 2 hours, 30 minutes d) 3 hours