Let the second no. be x
-3x = 21 → x = 21/-3 → x = -7
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
The rate of change is 4 so your answer would be D. 4
Answer:
xy
Step-by-step explanation:
think of it like this 4(xy) or xy(4) / 3(xy) or xy(3). xy is something you can commonly take out of each expression.
Answer:
x = 25
Step-by-step explanation:
Given
4x + 50 = 150 ( subtract 50 from both sides )
4x = 100 ( divide both sides by 4 )
x = 25
