An alloy consists of nickel, zinc, and copper in the ratio 2:7:9.
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Hello!
To find our answer, we first convert 1/2 into fourths. We multiply it by 2/2, giving us 2/4.
2/4+1/4=3/4
Therefore, our answer is .
I hope this helps!
Answer:
Step-by-step explanation:
Corresponding angles of two parallel lines are always equal. The angle on "top" of corresponds with the angle marked as
. Therefore, its measure must also be
.
Since these two angles form one side of a line which has 180 degrees, we have the following equation:
Combine like terms:
Subtract 15 from both sides:
Divide both sides by 3: