Answer:
Aida
Step-by-step explanation:
5 to the power of 4 is equivalent to 5 x 5 x 5 x 5. Hector, Camila, and Juan all thought of the exponents in wrong ways.
5x+3=6x-4
-x=-7
X=7
Hope this helps!
Here you go :) I sent the work in the picture below
Answer:
c 70
Step-by-step explanation:
supplementary means they equal 180
180 - 110 = 70
Answer:
There is an 85% probability that the sprinkler head will be activated.
Step-by-step explanation:
We have these following probabilities:
50% of the first sprinkler being triggered
90% of the first sprinkler being reliable
50% of the second sprinkler being triggered
80% of the second sprinkler being reliable.
What is the probability that the sprinkler head will be activated?

is the probability of the first sprinkler being triggered and activated. So:

is the probability of the second sprinkler being triggered and activated. So:


There is an 85% probability that the sprinkler head will be activated.