Mathematics
Mathematics, 24.05.2021 14:00, 20Tiglashou

The petrol consumption of a car (y miles per gallon) depends on the speed the car is travelling at (x mph), according to the formula y= 200-1.5x - 4500/x

a.) draw the graph of this equation for 40 <= x <= 80, taking a scale of 2 cm to 5 units on each axis.
b.) what is the petrol consumption at 75 mph
c.) use your graph to estimate the most economical speed at which to drive this car. ​

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 13:00, nicolescaggs
There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)
Answers: 2
image
Mathematics, 21.06.2019 20:00, mechelllcross
Which expression is rational? 6. , square root two, square root 14, square root 49
Answers: 1
image
Mathematics, 21.06.2019 22:00, connorhanratty6487
James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays
Answers: 1
image
Mathematics, 21.06.2019 23:40, jahnoibenjamin
Select the correct answer what is the 10th term of the geometric sequence 3,6, 12, 24,48 a. 512 b. 3,072 c. 768 d. 1,536
Answers: 2
Do you know the correct answer?
The petrol consumption of a car (y miles per gallon) depends on the speed the car is travelling at (...

Questions in other subjects:

Konu
Mathematics, 09.09.2020 05:01
Konu
Mathematics, 09.09.2020 05:01
Konu
Mathematics, 09.09.2020 05:01
Konu
Mathematics, 09.09.2020 05:01
Konu
Social Studies, 09.09.2020 05:01
Konu
Mathematics, 09.09.2020 05:01