subject
Mathematics, 30.04.2021 20:00 davestrider404

The total cost c(x) of hiring a dump truck and an operator is described by the function c(x)=300+31x-3.90x^2 , where x is the number of hours worked. Find the number of working hours if c(x)=$220.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
Pam buys a sleeve of ball bearings for her skateboard. each of the bearings is 1 1/5 inches wide. the sleeve is 9 3/5 inches long. how many ball bearings are in the sleeve? show your work.
Answers: 3
question
Mathematics, 21.06.2019 17:30
Can someone me and plz do the problem
Answers: 2
question
Mathematics, 21.06.2019 20:00
It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k
Answers: 2
question
Mathematics, 21.06.2019 22:30
Which of the following circles have their centers in the third quadrant? check all that apply.
Answers: 1
You know the right answer?
The total cost c(x) of hiring a dump truck and an operator is described by the function c(x)=300+31x...
Questions
question
Mathematics, 09.04.2020 22:09
question
Advanced Placement (AP), 09.04.2020 22:09
question
Mathematics, 09.04.2020 22:09
question
History, 09.04.2020 22:09