1/2 ab Sin C
1/2 (15) (9) Sin (110)
63.429...
(rounded = <em><u>6</u></em><em><u>3</u></em><em><u>.</u></em><em><u>4</u></em><em><u> </u></em><em><u>f</u></em><em><u>t</u></em><em><u>^</u></em><em><u>2</u></em><em><u>)</u></em>
Answer:
85
Step-by-step explanation:
12 in = 1 ft
first you need to convert 60ft to in:
60 * 12 = 720in
then divide 720(the amount of space you are covering by 8.5
720/8.5 = 84.7
then i guess you can round it to a full revolution so it would be 85
The answer is 4 hours
p -<span> the programming time
</span>c - time spent on commercials
<span>A radio station broadcasts programs and commercials 20 hours everyday:
p + c = 20
</span><span>The ratio of the time spent on commercials to the programming time is 1:4.
c : p = 1 : 4
p = c * 4 : 1
p = 4c
p + c = 20
p = 4c
_____
4c + c = 20
5c = 20
c = 20 : 5
c = 4h</span>
Q is negative two thirds which is written as -2/3