Answer:
The answer to the first question is 625
The answer to the second question is 1
The answer to the third question is 1
-8t+6+6t=5t-2
-2t+6=5t-2
-2t-5t=-2-6
-7t=-8
-7 -7
T=1.14 or 1 1/7
Answer:
written below for problem #2
Step-by-step explanation:
a. ratio is 12:40 since they're are 12 non fiction and 40 graphic novels
b. 40:12 (same reasoning as part a)
c. 6:40 for the ratio of science fiction to graphic novel, 12:6 for the ration of non fiction to science fiction, x:6 for the ratio of the unknown amount of fiction books to the science fiction books. (x is just there as a variable so it just represents fiction books)
Answer:
The probability is:
Step-by-step explanation:
Keep in mind that the probability of getting a head is always the same for each
Therefore the probability of not having a head is:
So if we throw the coin 4 times the probability P of not getting any head is:
