Answer:
a + c = 80
a = 2c - 8
Step-by-step explanation:
Topic: Algebra
Answer:
slope = 0
y intercept = -5
Step-by-step explanation:
y= -5 is a horizontal line
horizontal lines have a slope of 0
it crosses the x axis at y=-5
Answer:
Jo's age = x = 8 years
Step-by-step explanation:
Let
Jo's age = x
Jo's mother, Anne's age = 4x
In four years time, Anne will be three times as old as Jo.
Jo's age =3( x + 4)
Jo's mother, Anne's age = 4x + 4
How old is Jo?
Equate Jo's age and his mother's age
3(x + 4) = 4x + 4
3x + 12 = 4x + 4
3x - 4x = 4 - 12
-x = - 8
Divide both sides by -1
x = 8
Therefore,
Jo's age = x = 8 years
You would use 6 gallons of water to water 45 plants
4=30
=
of 4 gallons = 6 gallons
