Question

REALLY NEED HELP

Answer 1

I can work out the essay questions generally but nope not this one.........

Answer 2

Think about a kayaking race, a round trip airplane flight, a shopper on an escalator, or a swimming competition.

Choose an activity where a rational expression can represent the total or difference of time. For example, what is the time to go round trip on a hot air balloon ride?

Use full sentences to describe the real world situation. Write the addition or subtraction rational expression to represent your situation. Simplify the expression, showing all the work or explaining the steps using complete sentences.

Answer 3

A car with 27 inch wheels is traveling at 75 MPH. How many revolutions per minute are the wheels turning?

(Miles per hour)(inches per foot)(feet per mile) divided by
(minutes per hour)(circumference of wheel)

75(12)(5280)/60(27pi) = RPM

Answer 4

swimming pool example fits well i think

Answer 5

i thinks that is a LITTLE over complicated hba ;)

Answer 6

time = distance/time

we can express time taken for one round as a ratio of "length of swimming pool" and the swimmer "speed".

Answer 7

* time = distance/speed

Answer 8

Out of 5 laps, I've completed 2 laps
so I've completed 25th of the race.

Answer 9

2/5 th

Answer 10

so this would be fair example-
35 foot long pool
10 mph swimmer
what would other equation look like?

Answer 11

Supposedly I've completed x laps!!! and I know 1/5 th race is remaining, so
With x laps, fraction of race completed
\[x /5\]

Answer 12

full race correspondent to 1 so 1-x/5=1/5

Answer 13

This can be used to evaluate the no. of laps completed in the competition:D

Answer 14

for my partial example what would other equation look like (5280 in mile)

Answer 15

swimmer needs to go 20 laps (there and back=lap) to win

Answer 16

total distance=.02 mls

Answer 17

@zepp i'm totally lost here :S

Answer 18

14/1 is correct 1st equation