Answer:
a) 0.900
b) 0.400
Step-by-step explanation:
Let I = households getting internet
T = households getting television
Then I = 60%
and T = 80%
(Households that get both services)
a) Households getting at least one service, 
b) Those getting internet only = 
Those getting television only = 
Probability of getting exactly one service = 0.1 + 0.3 = 0.400
SU RE sorry okay 20 so so
Hello!
If y varies jointly with x and z, it'll mean that x and z are being multiplied by a factor "k", to equal y.
To give you a visual, this is what I mean.

That means we'll want to find
with the first point we're given: 



Which means our equation is:

Now, let's plug in the
and
from the other point to find
.


Hope this helps!
i have to poop hhhhhjhhjhjhjhjhjhjhh
1/2 mile in 1/4 hour |just multiply by 4
4 * 1/2 miles in 4 * 1/4 hour
2 miles in 1 hour
Davids walked 2 miles per hour (his velocity was 2mph)