LU
01:20:49
Brass is made from a mixture of copper and other elements. A mixture that is 80% copper is combined with a mixture that is
60% copper, resulting in 100 pounds of brass that is 65% copper.
Which equation can be used to find x, the amount of 60% mixture used to create the 65% mixture?

Which best describes the strength of the correlation, and what is true about the causation between the variables? it is a weak negative correlation, and it is not likely causal. it is a weak negative correlation, and it is likely causal. it is a strong negative correlation, and it is not likely causal. it is a strong negative correlation, and it is likely causal.

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

What multiplys to be 1 but adds up to be 4