Mathematics, 01.09.2021 09:20 destinyd10189

Q2. [Maximum mark: 6] Ann and John go to a swimming pool.
They both swim the first length of the pool in 2 minutes.
The time John takes to swim a length is 6 seconds more than he took to swim the previous length.
The time Ann takes to swim a length in 1.05 times that she took to swim the previous length.
(a) Find the time John takes to swim the third length.

(1)

(b) Show that Ann takes 2.205 minutes to swim the third length.

(2)

(c) Find the time taken for Ann to swim a total of 10 lengths of the pool.

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:00, BeautyxQueen

John read the first 114 pages of a novel, which was 3 pages less than 1/3 of the novel. write an equation to determine the total number of pages (p)(p) in the novel.

Answers: 1

continue

Mathematics, 21.06.2019 19:30, kristofwr3444

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Answers: 1

continue

Mathematics, 21.06.2019 22:00, dest8860

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b

Answers: 1

continue

Mathematics, 21.06.2019 23:20, lyss12326

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

Answers: 1

continue

You know the right answer?

Q2. [Maximum mark: 6] Ann and John go to a swimming pool.
They both swim the first length of...