$125 billion in scientific notation is 1.25*1011
8 . You round 31.9 to 32 then divide it by 4 which gives you 8
Answer:
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Answer:
x=20; vertical angles theorem
Step-by-step explanation:
hi! we can use the vertical angles theorem for this. vertical angles are congruent to each other, meaning they are the same amount of degrees. so, we can set 2x+10 and 50 equal to each other.
2x+10=50
2x=40
x=20
x=20 because of the vertical angles theorem.
Answer:
It is ASA congruence rule as the 2 angles and the included side of the triangle are equal
