Mathematics, 08.12.2020 05:00 amandamac7339
Most of the metals we use are alloy metals combined with other materials. Brass is an alloy made of copper and zinc.
This table shows the parts of copper and zinc used to make a batch of brass.
Copper, in
pounds
16
48
Zinc, in
pounds
4
12
64
16
Determine if the following statements are true or false and select the appropriate column.
True
False
Statement
In every batch of brass, 1/5 of the brass is made of zinc.
Every 1 pound of zinc requires 3 pounds of copper.
There is 1 pound of zinc in every 5 pounds of brass.
There is 4 times as much copper as zinc.
There are 8 pounds of zinc for every 24 pounds of copper
Answers: 3
Mathematics, 21.06.2019 15:30
Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.
Answers: 3
Mathematics, 21.06.2019 16:50
Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?
Answers: 1
Mathematics, 21.06.2019 18:30
Solve 2x2 + 8 = 0 by graphing the related function. there are two solutions: . there are no real number solutions. there are two solutions: 2 and -2
Answers: 3
Mathematics, 21.06.2019 19:30
For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?
Answers: 1
Most of the metals we use are alloy metals combined with other materials. Brass is an alloy made of...
Mathematics, 11.01.2021 22:00
History, 11.01.2021 22:00
Mathematics, 11.01.2021 22:00
Mathematics, 11.01.2021 22:00
Mathematics, 11.01.2021 22:00
Social Studies, 11.01.2021 22:00
English, 11.01.2021 22:00
Mathematics, 11.01.2021 22:00
Mathematics, 11.01.2021 22:00
Mathematics, 11.01.2021 22:00