A = L * W
A / L = W <==
when A = 42 and W = 16.8
A / L = W
42/16.8 = W
2.5 = W <=== width = 2.5 inches
Answer:
![\displaystyle a = \frac{1+vh}{v}](https://tex.z-dn.net/?f=%20%5Cdisplaystyle%20a%20%3D%20%5Cfrac%7B1%2Bvh%7D%7Bv%7D)
Step-by-step explanation:
we want to figure out a value of a for the following condition
![\displaystyle va - vh = 1](https://tex.z-dn.net/?f=%20%5Cdisplaystyle%20va%20-%20vh%20%3D%201)
to do so factor out v;
![\displaystyle v (a - h )= 1](https://tex.z-dn.net/?f=%20%5Cdisplaystyle%20v%20%28a%20-%20h%20%29%3D%201)
divide both sides by v which yields:
![\displaystyle \frac{(a-h) \cancel{(v)}}{ \cancel{v}}= \frac{1}{v}](https://tex.z-dn.net/?f=%20%5Cdisplaystyle%20%20%5Cfrac%7B%28a-h%29%20%5Ccancel%7B%28v%29%7D%7D%7B%20%5Ccancel%7Bv%7D%7D%3D%20%20%5Cfrac%7B1%7D%7Bv%7D%20)
therefore,
![\displaystyle a-h = { \frac{1}{v}}](https://tex.z-dn.net/?f=%20%5Cdisplaystyle%20a-h%20%3D%20%20%7B%20%5Cfrac%7B1%7D%7Bv%7D%7D)
now,add h to both sides:
![\displaystyle a = \frac{1}{v}+h](https://tex.z-dn.net/?f=%20%5Cdisplaystyle%20a%20%3D%20%20%5Cfrac%7B1%7D%7Bv%7D%2Bh)
further simplification if necessary:
![\displaystyle a =\boxed{ \frac{1+vh}{v}}](https://tex.z-dn.net/?f=%20%5Cdisplaystyle%20a%20%3D%5Cboxed%7B%20%20%20%5Cfrac%7B1%2Bvh%7D%7Bv%7D%7D)
Answer:
9x - 15
Step-by-step explanation:
3[(x-5)+2x]
3(3x -5)
= 9x - 15
tadah!
Answer:
12/1
Step-by-step explanation: