Answer:
20 degrees.
Step-by-step explanation:
The 3 angles of a triangle add up to 180 degrees.
Therefore the third angle in this triangle
= 180 - (120 + 40)
= 180 - 160
= 20 degrees.
Answer:
67.5
Step-by-step explanation:
I don't know use a calculator
Answer:
A: 80
Step-by-step explanation:
As we know that the trend line is , we can plug in x=3 in order to find out the estimated score for 3 hours of studying
y=80.4 is closest to A: 80
Is it 1-4/5 x 5/12 or 4/5 x 12
Answer:
No
Step-by-step explanation:
The factors of 3 are 3, 1.
The factors of 11 are 11, 1.
The common factors of 3 and 11 are 1, intersecting the two sets above.
In the intersection factors of 3 ∩ factors of 11 the greatest element is 1.
Therefore, the greatest common factor of 3 and 11 is 1.