Quick Note: I'm pretty sure you meant 180LBS and not 1801bs, so I'm using 180, but if it was 1801 please tell me
Percent of change =
Substitute 180 for V2 and 160 for V1
Percent of change =
Solve
Percent of change =
Percent of change = 0.125 x 100
Percent of change = 12.5%
Answer:
32^20
Step-by-step explanation:
Here you can either:
Convert to logarthmic format and use base changing formula.
OR
Simply do 2^100=32^x, find x.
I chose option 2 because its quicker here. However, it will not always work.
Answer:
after 21 seconds
Step-by-step explanation:
Given
h = - 16t² + 272t + 1344
When the ball strikes the ground then h = 0, that is
- 16t² + 272t + 1344 = 0 ( divide through by - 16 )
t² - 17t - 84 = 0 ← in standard form
(t - 21)(t + 4) = 0 ← in factored form
Equate each factor to zero and solve for t
t - 21 = 0 ⇒ t = 21
t + 4 = 0 ⇒ t = - 4
However t > 0 thus t = 21
The ball strikes the ground after 21 seconds.
Answer:
A. 9π/2km
Step-by-step explanation:
the length of the arc is
s= angle in radians* radius
the angle in radians
135 = 3π/4
therefore length of arc
s= (3π/4)*6 = 9π/2km
