aLGEBRA 1 basic 3 questions

Aug 20th, 2015
Price: $15 USD

Question description

    • You want to go on a road trip this weekend from Washington DC to Boston to visit your brother. You want to travel on Interstate 95, which is 438 miles long.

    • a. You are able to maintain an average speed of 60 mph. How long will the trip take you? 

    • )b. You have been saving $25 a week to make the trip; you now have $200. This money will be budgeted to include gas, food, and entertainment. Write an equation to model your savings plan and then graph it. What would be the domain and range in this situation?

    • Your car will get 25 miles per gallon, and the average cost for gas along this route is $3.60 per gallon. You plan to take your brother on a tour of Boston and to dinner. The tour costs $34.99 per person for an 80-minute tour, and dinner is $17.50 per person. You have also calculated that other meals and snacks will cost $60.

    • c. How many gallons of gas will you need?

    • d. What is the cost of the gas?

    • e. How much will the tour and dinner cost for you and your brother?

    • f. Have you saved enough money to make the trip this weekend or do you need to wait? If you do need to wait, how many more weeks do you need to save enough money?

    • You are the coordinator for a program that is going to take place at night in a rectangular amphitheater in the mountains. You will have no access to any electricity, but you must be able to illuminate the entire grounds. You know the intensity of the light from a lantern varies inversely as the square of the distance from the lantern. Suppose the intensity is 90 when the distance is 5 m.
    • a. Write an equation to model the situation.
    • b. Solve for the constant of variation.
    • c. Write the equation to model the situation using the constant () of variation.
    • d. You have been given lanterns with 40  light intensity. Use your equation to solve for the distance from the lantern.
    • e. You need to illuminate 225 km. How many meters do you need to light?
    • f. How many lanterns will you need?

Tutor Answer

(Top Tutor) Vincent A
School: Purdue University

Studypool has helped 1,244,100 students

Review from student
" Wow this is really good.... didn't expect it. Sweet!!!! "
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1829 tutors are online

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors