Mathematics, 23.03.2021 19:50 jumana3
A car travelled 130 km from London to Swindon.
The car used x litres of petrol for this journey.
(a) Write down an expression, in terms of x, for the average number of kilometres the car travelled for each litre of petrol on its journey from London to Swindon.
On the return journey from Swindon to London, the car travelled 130 km and used
(x β2) litres of petrol.
(b) Write down an expression, in terms of x, for the average number of kilometres the car travelled for each litre of petrol on the return journey.
On the return journey, the average number of kilometres the car travelled for each litre of petrol was 5 km greater than the average number of kilometres the car travelled for each litre of petrol on its journey from London to Swindon.
(c) Write down an equation in x for the information about the average numbers of
kilometres the car travelled for each litre of petrol.
(d) Solve your equation to find the value of x to 3 significant figures
Answers: 3
Mathematics, 21.06.2019 21:30
Aculture started with 4,000 bacteria. after 5 hours, it grew to 5,200 bacteria. predict how many bacteria will be present after 19 hours. round your answer to the nearest whole number.
Answers: 1
Mathematics, 21.06.2019 21:30
On #16 : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.
Answers: 2
Mathematics, 22.06.2019 01:30
Two numbers have a sum of 93. if one number is p, express the other number in terms of p.
Answers: 1
Mathematics, 22.06.2019 02:00
Sammie has 3 times as many goldfish as nora. nora has 4 goldfish. how many goldfish do sammie and nora have in all?
Answers: 2
A car travelled 130 km from London to Swindon.
The car used x litres of petrol for this journey.
Mathematics, 20.09.2019 05:10
Computers and Technology, 20.09.2019 05:10
Social Studies, 20.09.2019 05:10
Chemistry, 20.09.2019 05:10
Mathematics, 20.09.2019 05:10
Chemistry, 20.09.2019 05:10
Computers and Technology, 20.09.2019 05:10