Answer:
i cant see the picture clearly it is blury sorry cant help if it is like that!!!!
Step-by-step explanation:
Answer:
tons of high steel and tons of low steel
Step-by-step explanation:
Let x be the number of tons of high grade steel and y be the number of tons ow low grade steel needed.
In x tons of high grade steel there are
tons of iron
tons of magnese
In y tons of low grade steel there are
tons of iron
tons of magnese
NASA orders 500 tons of steel, so
and specifies that it must be in the proportion 80% iron and 20% magnese, so
From the first equation,
Substitute it into the second equation:
That’s the correct answer
Answer:
1/5
Step-by-step explanation:
divide any of the original dimensions by 5 and you'll get the dimensions of the scale drawing.
6w+3(4w-2)= 18w-6
=
16w+ 2(w-3)