Answer:
320 cm³
Step-by-step explanation:
none of the above
8 × 10 × 4
80 × 4
320 cm³
Because the situation represents a profit, the integer is 9.
Answer:
square root 12^5
Step-by-step explanation:
15) factor out cos: cos(x)(sin(x)+1)=0
Now this is true when either cos(x)=0 (x=pi/2 and 3pi/2)
Or when sin(x)=-1 (x=3pi/2)
So it's solutions are pi/2 and 3pi/2
