The letters that spell waikiki are each written on separate tiles laying face down on a table. a tile is selected at random, the letter is recorded, and then the letter is placed face down on the table. then the process repeats. what is the theoretical probability of choosing a tile with the letter a? a. 1/7 b. 1/4 c. 2/7 d. 3/7

∠acb = 8°

step-by-step explanation:

∠xba lies on the circle and is half the measure of the intercepted arc ax

hence

measure of arc ax = 2 × 42° = 84°

∠acb is outside the circle and is

∠acb = (arcab - arcax ), hence

∠acb = 0.5 (100 - 84) = 0.5 × 16° = 8°

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3