Hello, if "3" your 'underlined digit" then you're answer would be: the 3 is in the "tens " place
Good luck!
This is your perfect answer
Let x=grams of 70% alloy:
0.70x+16×0.20=0.30(x+16)
0.70x=0.30x+4.8-3.2
0.40x=1.6
x=1.6/0.4=16/4=4g
4 grams of 70% alloy are needed.
Answer:
257.61
Step-by-step explanation:
FORMULA= C=2πr=2·π·41≈257.6106
there is a screenshot included too
Answer:
The answer is x<4
But the girl over me just did it for points