It is d.2. because its like a pattern you have to follow on the graph.
Answer:
$0.125 , so 12.5 cents per pencil
Step-by-step explanation:
![\frac{3.00}{24}](https://tex.z-dn.net/?f=%5Cfrac%7B3.00%7D%7B24%7D)
You can double check this by doing
, making sure it equals 3.
Answer:
![b_{1}=\frac{2A}{h}-b_{2}](https://tex.z-dn.net/?f=b_%7B1%7D%3D%5Cfrac%7B2A%7D%7Bh%7D-b_%7B2%7D)
Step-by-step explanation:
Given: ![A=\frac{1}{2}(b_{1} +b_{2})h](https://tex.z-dn.net/?f=A%3D%5Cfrac%7B1%7D%7B2%7D%28b_%7B1%7D%20%2Bb_%7B2%7D%29h)
We need to completely isolate
to solve.
![A=\frac{1}{2}(b_{1} +b_{2})h](https://tex.z-dn.net/?f=A%3D%5Cfrac%7B1%7D%7B2%7D%28b_%7B1%7D%20%2Bb_%7B2%7D%29h)
![A=(\frac{1}{2}b_{1} +\frac{1}{2} b_{2})h](https://tex.z-dn.net/?f=A%3D%28%5Cfrac%7B1%7D%7B2%7Db_%7B1%7D%20%2B%5Cfrac%7B1%7D%7B2%7D%20b_%7B2%7D%29h)
![A=\frac{1}{2}b_{1} h+\frac{1}{2}b_{2}h](https://tex.z-dn.net/?f=A%3D%5Cfrac%7B1%7D%7B2%7Db_%7B1%7D%20h%2B%5Cfrac%7B1%7D%7B2%7Db_%7B2%7Dh)
![-\frac{1}{2}b_{1}h+A=\frac{1}{2}b_{2}h](https://tex.z-dn.net/?f=-%5Cfrac%7B1%7D%7B2%7Db_%7B1%7Dh%2BA%3D%5Cfrac%7B1%7D%7B2%7Db_%7B2%7Dh)
![-\frac{1}{2}b_{1}h=-A+\frac{1}{2}b_{2}h](https://tex.z-dn.net/?f=-%5Cfrac%7B1%7D%7B2%7Db_%7B1%7Dh%3D-A%2B%5Cfrac%7B1%7D%7B2%7Db_%7B2%7Dh)
![-\frac{1}{2}b_{1}=\frac{-A}{h}+\frac{1}{2}b_{2}](https://tex.z-dn.net/?f=-%5Cfrac%7B1%7D%7B2%7Db_%7B1%7D%3D%5Cfrac%7B-A%7D%7Bh%7D%2B%5Cfrac%7B1%7D%7B2%7Db_%7B2%7D)
Finally, multiply both sides by -2 to completely isolate
.
![b_{1}=\frac{2A}{h}-b_{2}](https://tex.z-dn.net/?f=b_%7B1%7D%3D%5Cfrac%7B2A%7D%7Bh%7D-b_%7B2%7D)
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