5x(x) + (5x)(4) + (-2)(x) + (-2)(4)=
5x^2 + 20x - 2x - 8=
5x^2 + 18x -8
Answer:
You can actually find the answer more easily with this website called Desmos.
It shows you how it works and graphs it for you.
Step-by-step explanation:
Answer:
u=25.6
Step-by-step explanation:
6.4=u/4
by cross multiplication
6.4×4=u
25.6=u
i hope this will help you :)
1. 35 (it's .5 inches off)
2. 37.2 (it's 1.7 inches off)
3. 32 (it's 3.5 inches off)
4. 30.984 (it's 4.5 inches off)
