User Account

All Pages

Number of gallons of gas

Assignment Help Mathematics
Reference no: EM131090780

1. At a certain gas station, a total of 500 gallons of gas was sold on a particular day. Regular gas (x) sells for $2.25 per gallon. Premium gas (y) sells for $3.00 per gallon. The total gas receipts for the day was $1,233.75.

(a) Write an equation in x and y for the number of gallons of gas sold.

(b) Write an equation in x and y for the amount of money received.

(c) Write the augmented matrix for (a) and (b).

(d) Solve for x and y using the augmented equation and Gaussian elimination. Annotate each step you take to get to your answer.

(e) Verify that your answer is correct by putting x and y into the equations you derived in (a) and (b).

Reference no: EM131090780

Questions Cloud

Describe what type of work each department does : List the typical departments that might be found in a midsize to large manufacturing organization. Briefly, describe what type of work each department does. Be sure to include all of the support functions it takes to run such a business.
Starting position in the negative direction : At what time is the particle at the farthest distance away from its starting position in the negative direction? (Round your answer to one decimal place.)
Identify components that likely most influence voter polls : In your discuss, post the pros and cons of the subjective voter rankings (forecasts) vs. the more objective computer BCS rankings (forecasts). Look up the data from the past few seasons, on how well the initial BCS rankings predicted the big five ..
Exponential function showing the relationship : Let t be the number of years since start of the study. Let y be the city's population. Write an exponential function showing the relationship between y and t.
Number of gallons of gas : (a) Write an equation in x and y for the number of gallons of gas sold. (b) Write an equation in x and y for the amount of money received.
Introduction to networking course : You have just completed 10 weeks of an introduction to networking course. Imagine you have been asked to create a one-day training course that highlights the important elements of what you have just learned within the past ten (10) weeks.
What is computer forensics : What is computer forensics, what is the purpose of computer forensics, and how does computer forensics complement the COBIT framework?
Describe understanding of term nonprofit sector civil sector : Summarize your understanding of the term American Creed/American Exceptionalism. How have these "ideas" come under attack in today's society regarding equality for all? Give an example of political issues surrounding equal rights and services for ..
Existing components the lab will rely upon : Fully explain on your purchase order why it is necessary to join this new lab to the network and what existing components the lab will rely upon once it is connected.

Reviews

Write a Review

Mathematics Questions & Answers

  What is a contingency table

What is the difference between the critical-value method and the p-value method of hypothesis testing?

  Find the centre of mass of the solid bounded

Find the centre of mass of the solid bounded by the cone z2 = X2 + y2 and above by the sphere X2 + y2 + z2 = 2az and whose density is kz.

  Three-month-old benjamin chance weighed

Baby Weights Three-month-old Benjamin Chance weighed 13.3 pounds. The national average for the weight of a 3-month-old baby is 12.5 pounds, with a standard deviation of 1.5 pounds. Round your answers to two decimal places. a. Determine the z- score f..

  Determining general and application controls

Identify one or more control procedures (either general or application controls, or both) that would guard against each of the following errors or problems.

  At a level of 1% which variables are significant

Using what you know about t-scores, identify which of the variables have a significant influence on the LISTPRICE.

  How fast will sales rise

If the compant plans to increase monthly advertising expenditures at the rate of 1.5 thousand dollars per month, how fast will sales rise?

  Create the equation to account for seasonal effects and any

air pollution control specialists in southern california monitor the amount of ozone carbon dioxide and nitrogen

  Let a and b be two subsets of a metric space r

Let A and b be two subsets of a metric space R. Then the number P(A,B)=infP(a,b) (where a is in A, b is in B,) is called the distance between A and B. Show that P(A,B0=0 if A intersect B does not equal to an empty set, but not conversely.

  Plant efficiency and capacity

If a plant was designed to produce 7,000 hammers per day but is limited to making 6,000 hammers per day because of time needed to change equipment between styles of hammers, what is the utilization? Format as xx.x% (include the % sign.)

  Evaluate the integral over the path c

Evaluate the integral (x+y) over the path C, where C is the straight line segment x=4t, y=(16-4t), z=0 from (0,12,0) to (12,0,0).

  How far should its base set away from the building wall

How far should its base set away from the building wall? Explain your answers and show your calculation. NOTE: You may need to apply the Pythagorean Theorem when solving this question.

  Express the cost of fencing as a function of the length x

Express the cost of fencing as a function of the length x of a side perpendicular to the wall.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd