Answer:
∠2 = 18°
Step-by-step explanation:
∠WXZ = ∠1 + ∠2 ← substitute ∠1 = 3∠2
∠WXZ = 3∠2 + ∠2, that is
72 = 4∠2 ( divide both sides by 4 )
18 = ∠2, that is
∠2 = 18°
The mean is 7.5 you add up all the numbers and then divide by the amount of numbers there is
Yeah because he was at least 80% and when you add the grain and carbon that was total. Then divide the carbon. It will be 80%
Answer:
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