t=73
Step-by-step explanation:
1) Expand
63=-3t+282 *be careful -ร- gives a positive*
2) take away 282 from both sides
-219=-3t
3) divide both sides by -3
t= 73 ย *when two negative numbers are divided the minuses cancel out*
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: