Answer:
t=-2
Step-by-step explanation:
(t+9)20=140
Distribute the 20
20t +180 = 140
Subtract 180 from each side
20t +180-180 = 140-180
20t = -40
Divide by 20
20t/20 = -40/20
t=-2
Answer:
y-intercept is y= -4.5+28 slope is 4.5
Step-by-step explanation:
18x+4y=112
-18x -18x
4y=112-18x
-----------------
4
y= -4.5x+28
I think its 7 or 10 Dont remember that question
Answer:
100cm
Step-by-step explanation:
Will be 100cm as when approximated to tenth
Tenth of cm or any other measure it must ends with 10 or zeroz digit that is 20,30 or 97be 100
Step-by-step explanation:
3vx
=3 * v * x
=3 * v * 100
=300v
