Answer:
2/5+(-3/5)
Step-by-step explanation:
2/5+(-3/5)
Answer:
2 or 8
Step-by-step explanation:
because 2x2=4 and 4x2=8
Answer:
Step-by-step explanation:
200 = 100%
80 = x%
200x = 8000
x = 40% (percentage increase)
400 = 200%
100 = 50%
500 = 200% + 50%
500 = 250% (the other percentage increase)
Answer:
Yes
Step-by-step explanation:
14/18 equals 7/9
Dividing by two on the first ratio makes:
7/9 equals 7/9
Answer:
x = 50
Step-by-step explanation:
The marked angles are vertical angles, so are congruent.
3x -3 = 147 . . . . congruent angles have equal measures
x -1 = 49 . . . . . divide by3
x = 50 . . . . . . add 1