420!
840 x (3/7) = 360
840-360 = 480
480 x (1/8) = 60
480 - 60 = 420
Answer:
x=6
Step-by-step explanation:
use trig identities
The probability tests to detect a liver disorder:
P (presence)= 0.98 (true) 0.02 (false)
P (absence)= 0.97 (true) 0.03 (false)
P(have disorder from the population)=0.035
P(do not have disorder from the population)= 0.965
To test positive:
P[have disorder and true from P(presence)] + P[do not have disorder and false from P(absence)]
=0.035*0.98+0.965*0.03= 0.06325
The answer is<span> 0.06325 </span>
Answer:
Step-by-step explanation:
We can solve this system just by summing each side of the equation:
So, both left sides will be sum, and both right sides too.
The resulting expression will be:
Ordering and solving both sides:
Hence, the value to the system is
It's important to combine both equation, because the exercise is asking for the solution of the system.