Write an equation to represent this information

Assignment Help Mathematics
Reference no: EM131064514

t cost Marci 20 cents to mail a postcard and 33 cents to mail a letter. She sent either a postcard or a letter to each of 18 people and spent $4.38 total.

Let x represent the number of postcards she wrote, and write an EQUATION for: The sum of the costs in questions 15 and 17 is $4.38, write an equation to represent this information.

Reference no: EM131064514

Questions Cloud

Outline the harrod-domar growth model : Outline the Harrod-Domar growth model. To what extent is it relevant to the analysis of contemporary capitalist economies?
Public record of the presidency today : Should taped White House discussions be part of the public record of the presidency today? Why or why not?
Communist party of the soviet union : Mikhail Sergeyevich Gorbachev is a former Soviet statesman. He was the eighth and last leader of the Soviet Union, having served as General Secretary of the Communist Party of the Soviet Union from 1985 until 1991 when the party was dissolved.
Descriptive statistics would most effectively describe : Which descriptive statistics would most effectively describe the differences in:a. Travel distance to work? b. the most popular model of car?
Write an equation to represent this information : write an equation to represent this information.
Differences between systems and individual approaches : Existential: anxiety, freedom and responsibility, striving for identity and relationship with others, search for meaning, capacity for self-awareness, awareness of death and nonbeing.
World of finance the buying of stocks and shares : In the world of finance, the buying of stocks and shares can be a risky business. The risk associated with share trading is given by a share's volatility which measures the scale of fluctuations in the price of a share over a past period of time -..
Find the indicated binomial probability : Find the indicated binomial probability. Round to five decimal places when necessary. In a certain college, 20% of the physics majors belong to ethnic minorities. If 10 students are selected at random from the physics majors, what is the probabili..
How many hours will it take thebullock cart to travel 20 km : How many hours will it take thebullock cart to travel 20 km?

Reviews

Write a Review

Mathematics Questions & Answers

  What is the maximum area of each pasture

A rancher has 30,000 linear feet of fencing and wants to enclose a rectangular field and then divide into four equal pastures with three internal fences parallel to one of the rectangular sides. What is the maximum area of each pasture?

  Based on sample information find out 90 confidence interval

imagine that car middle east a car magazine is comparing that repair costs incurred during the first four years on two

  A company uses the periodic inventory system calculate

a company uses a periodic inventory system. at the end of the annual accounting period december 31 the accounting

  Explain distribution approximated by a normal curve

A company installs 5,000 light bulbs, each with an average life of 500 hours, standard deviation of 100 hours, and distribution approximated by a normal curve

  Determine the time t it will take for the sample

The half-life of radioactive radium is 1620 years. Suppose that a sample of this substance has 300 mg. Determine the time T it will take for the sample to decay to a mass of 200 mg.

  Where x is measure of distance from the center of the

the area of a particular regular hexagon is x3 square units. where x is the measure of the distance from the center of

  At the close of business a store owner had 505 in 5 and 10

at the close of business a store owner had 505 in 5 and 10 dollar bills in the cash register. if there was a total of

  Looks like a cylinder except that the side is wavy

24. An old urn is discovered that looks like a cylinder except that the side is wavy. The urn is 6 inches high. Scientists want to estimate the volume of the urn so they measure its circumference at intervals of 2 inches, and produce the follow..

  Obituaries of either time or newsweek magazine

Two or three famous people appear in the obituaries of either Time or Newsweek magazine in each week. Estimate how many famous people die in one year.

  How much will you have saved at the end of five years

How much will you have saved at the end of five years and Find the interest.

  A second order in homoegeneous differential equation

From the assignment we see that C=0 and D=1 and A as a guessed solution is 1. How can you show that this would create overflow?

  Find the size of the bacterial population

A bacteria culture initially contains 1132 bacteria and doubles every half hour. Find the size of the bacterial population after 60 minutes.

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!

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