A metallurgist needs to make 21 mg of an alloy containing 85% nickel. She is going to melt that 65% nickel with pure nickel. How much of each should she use?

How do you find 12.54 as a fraction

An artist is cutting pieces of ribbon to use in a project. Each piece he cuts measures - inch. The artist cuts off 5 pieces. How many total inches of ribbon has he cut off? How do I solve this?

4/7 is the result when 1/2 and x are added. What is the value of x? Enter your answer in the box as a fraction in simplest form.

F (x) = -x^2+5 I'm supposed to find the solution (s)

Assume each variable has a different value. Which relations below are functions? a ((a, b), (a, c), (a, d), (a, e) b.

I'm doing easy math but i don't remember learning this so heres the question. One angle of a triangle is 20 degrees. The second angle's measurement is four times the third. Whats is the measure of the third angle?

If I have 10 dollars and I win 6 out of 10 and lose 4 out of 10 and bet 1$ each trade, how much should there be left after 10 trades?

How do you reduce the fraction 600 out of 25

4.6.1 write your own word problem and share it with the group then

A customer deposits $500 in an account that pays 4% annual interest. What is the balance after 3 years if the interest is compounded annually?