Justin rode the first 30 miles of a bicycle trip at a constant rate. For the next 21 miles, he reduced his speed by 3 mph (stayed constant for the 21 miles). The total time for the trip was 6.5 hours. Find Justin's rate for each part of the trip.
Justin's rate of travel was
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mph for the first 30 miles and
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mph for the last 21 miles.

the diver is 33 feet below the surface.

step-by-step explanation:

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3+x

step-by-step explanation:

the formula of a midpoint between a abd b:

simplifying

7ln(x + 2.8) = 11.2

reorder the terms:

7ln(2.8 + x) = 11.2

(2.8 * 7ln + x * 7ln) = 11.2

(19.6ln + 7lnx) = 11.2

solving

19.6ln + 7lnx = 11.2

solving for variable 'l'.

move all terms containing l to the left, all other terms to the right.

reorder the terms:

-11.2 + 19.6ln + 7lnx = 11.2 + -11.2

combine like terms: 11.2 + -11.2 = 0.0

-11.2 + 19.6ln + 7lnx = 0.0

the solution to this equation could not be determined.

step-by-step explanation:

i searched it on google but it says that the solution to this equation could not be determined but i hope that it you a little.