First start by multiplying:
-6/15 + 5/2 -3/30
then u can simplify the fractions, -6/15=-2/5 and -3/30=-1/10
-2/5 + 5/2 - 1/10, now find a common denominator in this case 10
-4/10 + 25/10 - 1/10
now add and subtract normally
answer:20/10 or 2
Answer: sin pi/4 sin pi/6 = 1/2(cos pi/12 - cos 5pi/12)
correct on apex
Half of 38 is 19 so in one hour he can clean 19 windows. Then in 7 hours he can clean 133 windows. please rate me the brainiest!<span />
Answer:
8
Step-by-step explanation:
8 is the correct answer
