Answer:
A is that they both are triangles and they both have right angles
Step-by-step explanation:
i dont know what B is sorry :-(
Answer:
60 seconds
Step-by-step explanation:
When Ying reaches his lowest altitude, his velocity is 0.
The velocity, v(x) is the tiome-derivative of D(x).
(This was done by using chain rule)
Equating v(x) to 0,
Answer:
12:56
Step-by-step explanation:
just do 4mm x 3.14 = 12.56
Answer:
x = 1
y = - 1
Step-by-step explanation:
-8x - 3y = -5
-2x + 7y = -9 | × (-4)
-8x - 3y = - 5
8x - 28y = 36 +
________________
- 8x + 8x - 3y - 28y = - 5 + 36
- 31y = 31
31y = - 31
y = - 1
- 8x - 3(-1) = - 5
- 8x + 3 = - 5
- 8x = - 8
8x = 8
x = 1
