7. A=15; b= (blank); c= 17
1 answer:
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Answer:
Step-by-step explanation:
Let the distance be and the time be
.
It was given that the distance, , varies directly as the square of the time
, we write the proportional relation,
.
, where
is the constant of variation.
It was also given that, , when
.
Now the equation of variation becomes;
When, ,
The object will travel 301865 feet in 55 seconds.
Missing Question:
The question was missing information. I have found the question online and attaching it here for convenience.
Answer:
Option D
Explanation:
- From the picture, we can see two types of bacteria (i.e. A and B), therefore it is not a pure culture.
- We can not predict whether any culture has been lost during incubation.
- A and B are different organisms.
Hence, the only correct option is D, which states:
"Identification of microbial types in the environmental sample could have been attempted without culturing anything."
