Answer:
the triangle are equilateral
Answer:
-2x + 2
Step-by-step explanation:
you didn't post choices but combining like terms you get
-2x + 2
The event that either M1 or M2 fails has probability

by the addition rule. Failure events are independent, so

so that

Denote this probability by
. Then
follows a geometric distribution with this parameter
and has density

The expectation is
.
Answer:
960
Step-by-step explanation:
the ratio is 1:120
so 8 * 120 = 960
hope this helps please make brainliest :)