Answer:
D
Step-by-step explanation:
cosΘ = 
= 
Answer:
Haha once again 1200 and 8.5 are the answers
The rule of geometric sequence is ⇒⇒⇒ a * r^(n-1)
Where a is the first term and r is the common ratio
for the given sequence √5 , √10 , 2√5 , .......
a = √5
r = √10 / √5 = √2
The ninth term = √5 * (√2)^(9-1) = √5 * (√2)⁸ = 16 √5
the correct answer is the third option 16√5
Answer:
see explanation
Step-by-step explanation:
Under a clockwise rotation about the origin of 90°
a point (x , y) → (y , - x)
Answer:
b) Commutative property is true for subtraction of Rational numbers
Step-by-step explanation:
- Option B is incorrect.
- Commutative property is not true for subtraction of Rational numbers .
