Question 4 of 8, Step 1 of 1 3/8
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A metallurgist has one alloy containing 33 % aluminum and another containing 47 % aluminum. How many pounds of each alloy must he use to make 49 pounds of a
third alloy containing 39 % aluminum? (Round to two decimal places if necessary.)

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.