Answer:
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Step-by-step explanation:
can u answer my question ****I KNOW THE ANSWER I JUST WANNA KNOW HOW U GET IT***
What percent of pure gold is in a watchcase that is 16 carats fine? In a chain that is 12 carats fine? In a ring that is 14 carats fine?
Answer:
x = 3
Step-by-step explanation:
(-2 + 40x) + 62° = 180° (adjacent angles are supplementary)
-2 + 40x + 62 = 180
Add like terms
40x + 60 = 180
Subtract 60 from each side
40x + 60 - 60 = 180 - 60
40x = 120
Divide both sides by 40
40x/40 = 120/40
x = 3
Answer:
(u)^{2}+7(u)-8=0
Step-by-step explanation:
What you do is count down twith the first number and then over with the second
