If a jogger runs a 10-kilometer race in 60 minutes, what is her average speed?
1 answer:
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Answer:
x=2, x=-5
Step-by-step explanation:
to work more comfortably, the first thing we need to do is work the equation linearly, for that we take advantage of the property of logarithms that tells me that
in this way, the equation remains as:
Now we clear the equation so that it is of the form
finally, we apply the equation to solve second degree equations
x=2 and x=-5
Done