Mathematics, 03.08.2021 04:00 NJSX54661
Nargis and Tony mark examination papers for an overseas examination board.
Nargis marks a number of Question A. In one hour she marks x questions,
(a) Write down an expression, in terms of x, for the average time, in minutes, that Nargis
takes to mark one Question A.
1
Tony marks a number of Question B. In one hour he marks (6 - 27) questions,
(b) Write down an expression, in terms of x, for the average time, in minutes, that Tony
takes to mark one Question B.
The average time for Tony to mark one Question B is 2 minutes more than the average
time for Nargis to mark one Question A
(C) Using all the information given, write down an equation in x.
(d) Show that this equation simplifies to x'- 27x- 810 0
(e) Find the value of x
Tony is paid at a rate of £10.80 per hour.
(1) Calculate how much Tony is paid for marking each Question B.
Answers: 3
Mathematics, 21.06.2019 20:00
True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1
Answers: 2
Mathematics, 22.06.2019 01:20
The bottom of a slide at the playground is 6 feet from the base of the play set. the length of the slide is 10 feet. how tall is the slide. 11.66 feet 10 feet 6 feet 8 feet
Answers: 2
Mathematics, 22.06.2019 05:10
Pl approximate the value of 13−−√ to the nearest tenths place. plot the approximation on the number line.
Answers: 3
Nargis and Tony mark examination papers for an overseas examination board.
Nargis marks a number of...
Chemistry, 28.01.2020 12:31
Social Studies, 28.01.2020 12:31
Health, 28.01.2020 12:31
Arts, 28.01.2020 12:31
Mathematics, 28.01.2020 12:31
History, 28.01.2020 12:31
Mathematics, 28.01.2020 12:31
Social Studies, 28.01.2020 12:31
Biology, 28.01.2020 12:31
Mathematics, 28.01.2020 12:31
Mathematics, 28.01.2020 12:31
Mathematics, 28.01.2020 12:31