Answer:
10
Step-by-step explanation:
<em>10 + 10 = 2x</em>
<em>2x = 20</em>
<em>10 + 10 = 20</em>
<em>x = 10</em>
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Answer:
t = 8
Step-by-step explanation:
Answer:
42 degrees warmer.
Step-by-step explanation:
82 - 40 = 42
good luck:)
Step-by-step explanation:

Answer:
. The actual mass of the object was 9.98 X 10-3 g.
Step-by-step explanation:
yeah