04-06-2024
Mathematics

Answered

Write a system of equations to model each of the following situations. You don’t need to solve them!

A. One website charges $0.99 per song download, another website charges a one-time user fee of $12, but only charges $0.89 per song download.

B. Sean operates a lawn-cutting business. He charges $15 for a single lawn and $25 for a front and back lawn. Sean made $475 from 25 customers.

C. Brass is an alloy made by melting and mixing copper and zinc. A metallurgist has two brass alloys, one that is 65% copper and one that is 90% copper. He would like to combine a portion of each alloy to produce 500g of a new alloy that is 75% copper.

Answer :

Other Questions

A penetration testing team is assessing a complex network infrastructure for a large financial institution. The team has been provided with some IP address rang

According to Marx, how does capitalism generate value from labor?A. The goods workers make or the services they provide can be sold for more than they earn, gen

Help me solve the question in the image below

Find a possible solution to the equation [tex]\sin (3x + 13) = \cos (4x)[/tex].A. [tex]x = -13^{\circ}[/tex] B. [tex]x = 0^{\circ}[/tex] C. [tex]x = 11^{\circ

Overall Problem: A.I. will potentially impact many aspects of warfare, which raises ethical and moral concerns.

Q1. Principal of a reputed school, observed the growing cases of diabetes anddepression among young children, organized a seminar in which heinvited parents and

When eating and digesting a meal, in which organ or structure is the food you eat first transported by the process of peristalsis?A. MouthB. StomachC. Esophagus

The polynomial [tex]$10x^3 + 35x^2 - 4x - 14$[/tex] is factored by grouping.[tex]\[ \begin{array}{l} 10x^3 + 35x^2 - 4x - 14 \\ 5x^2(\square) - 2(\square) \end{

\begin{tabular}{|c|}\hline 12.75 \\\hline 8.5 \\\hline 8.4 \\\hline 8.4 \\\hline 8.3 \\\hline\end{tabular}Which best describes the data?A. They are precise and

revise tenses and write down at least 10 examples of each tense

Marc rides his bike 350 meters down to the bottom of a hill. He did the ride in 5 equal stages.How much did Marc's elevation change during each stage?Show your

Suppose that [tex]$R(x)$[/tex] is a polynomial of degree 8 whose coefficients are real numbers. Also, suppose that [tex]$R(x)$[/tex] has the following zeros:[te

Lee los textos y luego realiza las actividadespropuestas.

Bias is defined as . . . emotions of anger or frustration a preference for or against something an oversimplified opinion, prejudiced attitude, or uncritical

Disneyland Paris was one of Disneyland's Global projects. Please discuss its advantages and disadvantages, and from reading and understanding the case suggest w

Choose the word or words that, when inserted in the sentence to replace theblank or blanks, best fits the meaning of the sentence.Because experts have great kno

Evaluate the following expression:[tex]\[ \sqrt{225} \][/tex]

Which of the following is an acid?A. [tex]Be(OH)_2[/tex]B. [tex]HCl[/tex]C. [tex]LiBr[/tex]D. [tex]NH_3[/tex]

The perimeter of a triangle is 74 cm. The longest side is 8 cm less than the sum of the other two sides. Twice the shortest side is 5 cm less than the longest s

Platoon Inc. made sales of $90,700 during the current year. The cost of goods sold was $80,900. The company calculated its gross profit ratio, but later, its in