Mathematics, 15.12.2021 09:00 flaco0811

1) The number of ice lollies sold, varies directly according to the temperature, T°C. When T= 20°C, the number of ice lollies sold is 300. a) Find an equation connecting N and T.

b) Find the number of ice lollies sold when T= 25°C.

c) Find T when N= 100.

2) The time, T hours, that it takes to drive from A to B varies inversely to the speed S km/h. When S= 50 km/h, T=2 hours.

a) Find an equation connecting S and T.

b) Find T when S=80.

c) Find S when T=1

3) A carton of Apple juice is in the shape of a cuboid with base x cm by 2x cm and height h cm. The carton has a volume of 300cm^3. Find the dimensions that give the minimum surface area of the carton and comment on your answer.

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 15:00

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Answers: 2

Answer

Mathematics, 21.06.2019 16:40

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Answers: 2

Answer

Mathematics, 21.06.2019 19:30

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

Answers: 1

Answer

Mathematics, 21.06.2019 20:30

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Answers: 2

Answer

You know the right answer?

1) The number of ice lollies sold, varies directly according to the temperature, T°C. When T= 20°C,...

Questions

Mathematics, 27.11.2020 14:20

Elements of {1,2,3,4,6,12} and {4,6,8,10}...

Mathematics, 27.11.2020 14:20