subject

Mathematics, 08.03.2021 19:30 25yurasekth33

Mark is making concrete. Concrete is made by mixing cement, sand and gravel in the ratio 1:2:3.
Mark wants to make 300kg of concrete.
(a) How much cement does Mark need?
(b) How much sand does Mark need?
(C) How much gravel does Mark need?

ansver

Answers: 3

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 14:30

Chandler was a caretaker at the state zoo. he noticed that the number of animals adopted by the zoo increased at a constant rate every year since 2010. which of the following graphs shows the slowest rate at which the animals in the zoo were adopted?

Answers: 2

question

Mathematics, 21.06.2019 18:30

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Answers: 1

question

Mathematics, 21.06.2019 20:00

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

Answers: 2

question

Mathematics, 21.06.2019 20:00

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

Answers: 3

You know the right answer?

Mark is making concrete. Concrete is made by mixing cement, sand and gravel in the ratio 1:2:3.

Questions

question

Mathematics, 27.06.2019 22:30

Find the area of the shaded region in the polygon below.

question

Mathematics, 27.06.2019 22:30

Explain how to solve 7 + x > 12 .tell what property of inequality you would use...

question

Mathematics, 27.06.2019 22:30

If the functions are combined so that c(x)=a(x)+m(x)+d(x) then the function c(x) includes the point (

question

History, 27.06.2019 22:30

In the federal government who must sign law before it can go in effect...

question

English, 27.06.2019 22:30

Which sentence uses possessives correctly? a. tim's and joe's notes were when they took the test b. tims and joe's notes were when they...

question

Business, 27.06.2019 22:30

In order to understand sports and entertainment marketing, you should think of athletes and entertainers as commodities? true or false?...

question

Chemistry, 27.06.2019 22:30

Which of the following correctly describes the general process of coal mining and refining? select one: a. coal is mined, washed, dried, and then se...

question

History, 27.06.2019 22:30

Copernicus, galileo, kepler, and newton all supported what?...

question

Mathematics, 27.06.2019 22:30

Find the area of the shaded region in the polygon below.

question

Mathematics, 27.06.2019 22:30

Which is the definition of an acute triangle?...

question

History, 27.06.2019 22:30

What were the effects of the latin american revolutions within latin america, spain and portugal....

question

History, 27.06.2019 22:30

How many “peremptory challenges” can a lawyer make in jury selection? a. 5 b. 10 c. 15 d. 20...

question

Mathematics, 27.06.2019 22:30

What value of x is in the solution set of 4x -12 s 16 + 8x? -10-9-8-7...

question

Mathematics, 27.06.2019 22:30

1. what is the value of x? show your work to justify your answer. 2. what is the value of the exterior angle? show your work to justify your answer....

question

English, 27.06.2019 22:30

Read the summary of the conclusion of “the world on turtle’s back.” [1] when the twins grew up, they continued to fight. [2] one day they decide...

question

Chemistry, 27.06.2019 22:30

9. how many electrons are in the highest energy orbital of the element copper?...

question

Business, 27.06.2019 22:30

An assembly operation at a software company now requires $100,000 per year in labor costs. a robot can be purchased and installed to automate this ope...

question

Social Studies, 27.06.2019 22:30

Christopher columbus’ 1492 voyages were sponsored by a. england b. france c. portugal d. spain...

question

Business, 27.06.2019 22:30

Acontract in which the vendor (seller) agrees to convey the title to the real property after the vendee (buyer) has met certain named conditions, and...

question

English, 27.06.2019 22:30

Which content area text would provide the most scientific information about the growth and formation of mold? a) a biology textbook b) a zoology tex...

More questions: Mathematics Another questions

Questions on the website: 13722367