Mathematics, 23.03.2020 10:43 cxttiemsp021
Zack works at a carwash and can either do interior carpet cleaning, which takes 30 minutes per job, or exterior car washes, which takes 20 minutes per job. He works a maximum of six hours per day. If he is paid $5 for each exterior car wash and $6 for each interior carpet cleaning job, which of the following is true about the number of hours Zack can clean carpets (c) and do exterior car washes (e).
1. The system {c=>0, e=>0, c+e<=6 correctly represents the situation.
2. The critical points (c, e) are (0, 0), (12, 0), and (0, 18).
3. Zack can maximize his earnings by doing 12 carpet cleaning jobs and zero exterior car washes.
4. Zack can maximize his earnings by doing zero carpet cleaning jobs and 12 exterior car washes.
Answers: 1
Mathematics, 21.06.2019 14:30
Brent works part-time at a clothing store. he earns an hourly wage of $15. if he needs to earn more than $45 in a day and works for x hours a day, which inequality represents this situation? a. 15x > 45 b. 15x < 60 c. x > 60 d. 15x < 45 e. x < 60
Answers: 1
Mathematics, 21.06.2019 19:20
Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?
Answers: 1
Mathematics, 22.06.2019 01:10
If the diagram polygon abcd is a reflection across ef to make polygon a'b'c'd'.
Answers: 2
Mathematics, 22.06.2019 02:30
Apossible wavelength for the color blue is 0.000000492 meter. which of the following is a reasonable estimate for this wavelength for the color blue? a. 5 × 10-6 m b. 5 × 107 m c. 5 × 10-7 m d. 5 × 106 m
Answers: 2
Zack works at a carwash and can either do interior carpet cleaning, which takes 30 minutes per job,...
Mathematics, 05.05.2020 10:54
Mathematics, 05.05.2020 10:54
German, 05.05.2020 10:54
Social Studies, 05.05.2020 10:54
Biology, 05.05.2020 10:54