Answer:
0t=8
Step-by-step explanation:
3t+4=12+3t
3t-3t=12-4
0t=8
Answer:
C f-1 (x) = x- 2
Step-by-step explanation:
The inverse is usually shown by putting a little "-1" after the function name, and reversing the units.
Answer:
x = 4 and -10
Step-by-step explanation:
Given the equation
x²+6x-40= 0
The common factors to use for the factorisation are +10 and -4
x²+(10x-4x)-40=0
(x²+10x)-(4x-40) = 0
x(x+10)-4(x+10) = 0
(x-4)(x+10) = 0
x-4 =0 and x+10 = 0
x = 4 and x = -10
You would start on 2.5 on a number line and then you would add 4/5 which = I think 4.5 ( not sure ) but you start off with 2.5 then add on 4/5 going to the right!
I’m not sure if that made any sense but Brainly.com appreciated:)
hope it helps you!!!!!!!!!!