Answer:
Step-by-step explanation:
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Answer:
The two angles are 39°
Step-by-step explanation:
180 - 102 = 78. 78/2 = 39.
Answer:
the answer to this question is 12 and 12
Ratio of Nickel to Zinc:
( 2/7 ) = ( Nickel /4.9)
Nickel = 1.4 lbs.
Ratio of Copper to Zinc:
( 9/7 ) = ( Copper /4.9)
Copper = 6.3 lbs.
Alloy = Zinc + Nickel +
Copper
Alloy = 4.9 lbs. + 1.4 lbs.
+ 6.3 lbs.
Alloy = 12.6 lbs.
Hope
this answer will be a good h<span>elp for you.</span>
9.5 mm, because the radius is half of the diameter
