Answer:
The sequences which are geometric are
16,-8,4,-2,1
625,125,25,5,1
-15,-18,-21.6,-25.92,-31.104
Step-by-step explanation:
Geometric sequences are ones in which you multiply or divide to get the next terms in the sequence.
Cheers
£1.20 + (1/4 * £1.20)
= £1.20 + £0.30
= £1.50
90kg
It is just a simple proportional problem. If you subtract 10%, then you subtrat 10 kg.
Answer: To confuzing
Step-by-step explanation:
The diagonals of a square bisect one another and are perpendicular.
so 21x+ 16.5 = 90
subtract 16.5 from each side
21x = 73.5
divide by 21 on each side
21x/21 = 73.5 /21
x = 3.5