For the following system, use the second equation to make a substitution for x in the first equation.
2 answers:
Answer:
The resulting equation is
Step-by-step explanation:
For the following system, use the second equation to make a substitution for x in the first equation.
first equation
second equation
Now substitute the second equation in first equation
Replace x with 2y-8 in first equation
The resulting equation is
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Answer:
10⁴ seconds
Step-by-step explanation:
Given that,
A person breathes in about cubic meters of air per second.
We need to find time taken to breathe 2.5 cubic meters of air.
In 1 sec = m³ of air breathe
Let in x seconds, 2.5 m³ of air taken by the person.
Hence, in 10⁴ seconds 2.5 m³ of air is taken by the person.