Z
Z=kX
When x=6, z=18,
Finding value of z,
18=k*6
k=3
Z=3X
when x=10,
Z=3*10
Z=30
Part B;
Z
z=
Where x is a constant of proportionality,
when x=3, z=2
2=
a=3*2
a=6
When x is 13,
Z=
Answer:
The submarine needs to move up, so the rate the submarine needs to move is positive.
Put it in a calculator bro
A) a + b = 1.60
B) 3a = b
B) 3a -b = 0
A) a + b = 1.60
4a = 1.60
apple costs .40
banana costs 1.20