Answer:
equals nothing. cannot be multiplied or divided. does not change a number when added or subtracted
Answer:
Negative + Negative = Positive
Negative + Positive = Negative
Positive + Negative = Negative
Positive + Positive = Negative
The rules are the same for division.
Step-by-step explanation:
Answer:
n=14
Step-by-step explanation:
multiply both sides by two to get rid of 1/2 and you find n=14
Answer:
d =13 cm
r = 6.5 cm
Step-by-step explanation:
The diameter is the distance across the circle, going through the center
d = 13 cm
The radius is 1/2 of the diameter
r = d/2 = 13/2 = 6.5 cm