Answer: 48
Step-by-step explanation: COB and DOA are vertical angles. This means the two of them have the same measure. Because we know the measuremen of DOA, we can easily find the measuremen for COB since these angles are the same, so COB is 48 degrees.
Answer:
y=25600
y=100(2)^{2t}
y=252
Step-by-step explanation:
A bacteria culture starts with 100 bacteria and doubles in size every half hour.

where x represents the number of hours
(a) t= 4 hours
Plug in 4 for t and find out the number of bacteria y

25600 bacteria

convert 40 seconds into hour
40 divide by 60 =2/3

The graph is attached below
Answer:
i cat see it
Step-by-step explanation:
34 + 18
the tree grew 18 ft taller meaning (+18)
add the two numbers to get
52 feet.
Answer:
2.99973 but i would put 3 just incase
Step-by-step explanation:
just search on the internet "right triangle calculator" and click one of the links