Answer:
x = 34
Step-by-step explanation:
The 3 given angles form a straight angle and sum to 180°, hence
x + 12 + 100 + x = 180
2x + 112 = 180 ( subtract 112 from both sides )
2x = 68 ( divide both sides by 2 )
x = 34
Answer:
x^2 =5
Step-by-step explanation:
Answer:
The elapsed time is 7hrs and 1 minute.
Answer:
Graph C
Step-by-step explanation:
Answer:
4.5points
Step-by-step explanation:
the mean for the data as it is now is 628/8=78.5. when the lowest score is dropped it becomes 581/7= 83 . By subtracting 78.5 from 83 you get 4.5.