burhanmuhammad804
contestada

PLZ HELP!!
The revolving restaurant on top of a hotel in San Francisco, California takes 45 minutes to complete a full counterclockwise rotation. A table that is 30 ft from the center of the restaurant starts at position (30, 0). What are the coordinates of the table after 9 minutes? Round to the nearest tenth.

A. (9.3, 28.5)
B. (28.5, 9.3)
C. (23, 19.3)
D. (11.3, 17.3)

Respuesta :

Answer:

Step-by-step explanation:

In 9 minutes it would make 9/45 = 1/5 th of a revolution.

360(1/5) = 72 degrees

Coordinates:

(30cos72, +/- 30sin72) [+ for counterclockwise, - for clockwise)

(9.3ft, +/- 28.5ft)

https://answers.yahoo.com/question/index?qid=20100518113431AAvVZGM&guccounter=1&guce_referrer=aHR0cHM6Ly93d3cuZ29vZ2xlLmNvbS8&guce_referrer_sig=AQAAADh3so85ELjMHYh-Bs4EBfWYXngnX6lb_DUJTEV63qEAk8V25pxPyGr-fVlMatpwaXP-ke4TzkPe-OvBlV2WAwZ7iw3e4lBodLi1bt5txsrb6ccIGmS2tQHRymY0UsEqHUDfdNuDJKZRsnZ_gUPM1ChwoRTmeHDtRf2vrisw_B_e

Otras preguntas