Answer:
1. 11
2. 5
3. 24
8. 2
9. 17
10. 7
11. 0
13. 27
14. 126
15. 78
Step-by-step explanation:
divide 63 by9
63 / 9 = 7
each piece is 7 meters long
Square root 27 is 3squer root 3 so the answer is 2 square root three
Hello :
(-6a)-(-3a) =(-3a)-(0) = (0)-(3a) = (3a)-(6a) = -3a (arthmetic<span> sequence, the common - diff is : d= -3a the first term is : U1 = 6a
</span><span>a general rule for the n th term is : Un =U1+(n-1)d
Un = 6a +(n-1)(-3a) =
Un = 6a -3an+3a
</span>Un = -3an +9a
