Answer:
D) < 3, 7)>
Step-by-step explanation:
<u><em>Explanation</em></u>:-
Given that the vector < 3 , -7 >
Given the vector reflection across the x-axis
(x,y) → (x , -y)
The vector < 3,-7> →< 3, -(-7)>
< 3,-7> →< 3, 7)>
Answer:
the first one
Step-by-step explanation:
Answer:
√s(s-a) (s-b) (s-c)
Step-by-step explanation:
123456
herons formula
Answer:
Lins house is 315 metres from school
Step-by-step explanation:
It's simple, just do 450-135.
Answer:
V= 42.41
Step-by-step explanation:

where r is the radius = 3 and h is the height = 4.5
×
× 
V = 42.41