8x+20=3x+45
5x+20=45
5x=25
x=5
Answer:
46 ≥ 2m + 4
m ≥ 21
Step-by-step explanation:
At least is ≥
Karen's age = 46 years old
Mary's age = m years old
Karen is at least 4 years more than twice mary's age (m).
46 ≥ 2m + 4
46 - 4 ≥ 2m
42 ≥ 2m
m ≥ 42/2
m ≥ 21
Answer:
Option D. Strong positive correlation
Step-by-step explanation:
Like the r-value of 0.987 is positive (0.987>0) and close to 1, the correlation of the graph is a strong positive correlation
The answer is -05y-2(-5y+9)=-9
These steps include statements B, C, and D. Drawing a line from the segment to any point on the fold line, which is statement A, is not included in these steps because it is not needed. Thus, choice A is not a step in using paper folding to find the midpoint of a line segment.