Answer:
- 4096
Step-by-step explanation:
There is a common ratio between consecutive terms of the sequence.
r = - 4 ÷ 2 = 8 ÷ - 4 = - 2
This indicates the sequence is geometric with n th term
= a
where a is the first term and r the common ratio
Here a = 2 and r = - 2 , thus
= 2 × = 2 × - 2048 = - 4096
Answer:square root 178
Step-by-step explanation:
I cannot type in the symbol but tat is the answer your welcome!
Answer:
a) -3
b) 117
c) 100
Step-by-step explanation:
(a) 2(1)²-5(1)
1²= 1
2×1= 2
2-5= -3
(b) 2(9)²-5(9)
9²= 81
81×2= 162
162-45= 117
(c) 2(4)²-5(4) +2(8)²-5(4)
4²=16
16×2= 32
32-20= 12
8²=64
64×2= 128
128-40= 88
88+12= 100
hope it helps!
Answer:
b
Step-by-step explanation:
Answer:
1361.4 cm cubed
Step-by-step explanation:
radius is half of diameter so 5 cm. check photo for explanation.