Mathematics, 01.06.2021 07:20 trinityrae4657

A small engineering company has an old machine which produces 30 components per hour, and has recently installed a new machine which produces 40 components per hour. Yesterday, both were in operation for different periods of time. If 545 components were produced when the total number of hours of operation was 15 hours, determine for how many hours each machine was operating. Please use system of linear equations by elimination OR substitution. I also need the work please.

Answers: 2

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 19:30

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Answers: 1

Answer

Mathematics, 21.06.2019 19:30

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

Answers: 1

Answer

Mathematics, 21.06.2019 22:30

Which set of lengths could represent the sides of a triangle? a. 3, 7, 10 b. 4, 5, 10 c. 6, 8, 14 d. 12, 6, 7

Answers: 1

Answer

Mathematics, 21.06.2019 23:30

The approximate line of best fit for the given data points, y = −2x − 2, is shown on the graph.which is the residual value when x = –2? a)–2 b)–1 c)1 d)2

Answers: 2

Answer

You know the right answer?

A small engineering company has an old machine which produces 30 components per hour, and has recent...

Questions

English, 16.01.2021 16:20

Click or tap TWO underlined sentences that use foreshadowing or flashback to reveal Martin Hackness's instincts about weather-related trouble and the...

Mathematics, 16.01.2021 16:20

Once debbie arrives in each city, she'll need a backpack to carry around with her. What was the percent markup if a store bought the backpack for $25...

Mathematics, 16.01.2021 16:20

Mateo found a sale on skateboards. The skateboard he would like to purchase is 179.99. The sales tax is 6.5%. How much will Mateo spend in all after t...

English, 16.01.2021 16:20

What is the correct sequence of the levels of organization in a body system starting from the least to the most complex? nerve cell → nerve tissue → b...

Mathematics, 16.01.2021 16:20

Sasha walks at a constant rate. She meets her friend Hannah 0.6 kilometer along the way, and thet continue walking at the same constant rate. When tha...

Mathematics, 16.01.2021 16:20

Water boils at 100LaTeX: ^\circ∘ Celsius or 212LaTeX: ^\circ∘ Fahrenheit. Water freezes at 0LaTeX: ^\circ∘ Celsius or 32LaTeX: ^\circ∘ Fahrenheit. If...

Mathematics, 16.01.2021 16:20

It takes 6 workers from the Fast Movers Company 10 hours to unload 6 trucks. It takes 10 workers from the Careful Movers Company 8 hours to load 2 tru...

Mathematics, 16.01.2021 16:20

Х y 6 17 10 25 12 29 This relationship is proportional or nonproportional: The slope is The y-i...

Mathematics, 16.01.2021 16:20

On a trip to Spain Kelly brought a piece of jewellery that costs $50.75 she paid for with her credit card with charges of foreign transaction of a 4%...

English, 16.01.2021 16:20

Read the sentence from the text. He thought the whole winter's work was lost until Paul, who was always clever, came up with an ingenious idea. Which...

Physics, 16.01.2021 16:20

Priscilla was building a circuit that used copper wires to connect a battery to a light bulb. As she connected the final wire from the light bulb back...

Mathematics, 16.01.2021 16:20

A population of 752,000 people decreases at a rate of 1.4% each year. Let t represent the number of years and A(t) represent the amount after years, W...

English, 16.01.2021 16:20

Steve J types several commands into the computer. He waits with an expectant look on his face. Only to be disappointed: Is this all that happens- a fe...

Law, 16.01.2021 16:20

Paul contracts with his employer that he will receive a salary of £38,000 per annum plus a cash payment of £25,000 at the end of the year which will n...

Social Studies, 16.01.2021 16:20

Realizar un organizador o esquema gráfico de cualquier tipo, (rueda de atributos, una espina de pescado, un mapa mental) sobre el legado de la Revoluc...

English, 16.01.2021 16:20

What are generally accepted accounting principles? A. The set of commonly used accounting standards in the U. S. B. The set of commonly used accountin...

Mathematics, 16.01.2021 16:20

Harry's math test scores are listed below. 95, 90, 85, 40, 100, 100, 85, 90 Which measures of central tendency most closely describes Harry's overall...

Mathematics, 16.01.2021 16:20

Please help! I will give brainliest to person who answers correctly :) Which ordered pair is the solution to the system of equations? −5x−3y=12 y=x−12...

English, 16.01.2021 16:20

Conisider the title of this novel pride and pejudice how do these theams play out in the characterazation and interaction between lady catherine and e...

Mathematics, 16.01.2021 16:20

Alisa, Mykia, and Martin decide to share the responsibility of walking their dog every day. There are 365 days in a year. How many days each year does...

More questions: Mathematics Another questions