Linear not sure ...........
Answer:
![1\ \frac{\text{cal}}{m^2\times sec\times ^\circ C}=0.03926\frac{\text{BTU}}{ft^2\times hr\times ^\circ F}](https://tex.z-dn.net/?f=1%5C%20%5Cfrac%7B%5Ctext%7Bcal%7D%7D%7Bm%5E2%5Ctimes%20sec%5Ctimes%20%5E%5Ccirc%20C%7D%3D0.03926%5Cfrac%7B%5Ctext%7BBTU%7D%7D%7Bft%5E2%5Ctimes%20hr%5Ctimes%20%5E%5Ccirc%20F%7D)
Step-by-step explanation:
To find : Convert
into ![\frac{\text{BTU}}{ft^2\times hr\times ^\circ F}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Ctext%7BBTU%7D%7D%7Bft%5E2%5Ctimes%20hr%5Ctimes%20%5E%5Ccirc%20F%7D)
Solution :
We convert units one by one,
![1\text{ m}^2=10.7639\text{ ft}^2](https://tex.z-dn.net/?f=1%5Ctext%7B%20m%7D%5E2%3D10.7639%5Ctext%7B%20ft%7D%5E2)
![1\text{ sec}=\frac{1}{3600}\text{ hour}](https://tex.z-dn.net/?f=1%5Ctext%7B%20sec%7D%3D%5Cfrac%7B1%7D%7B3600%7D%5Ctext%7B%20hour%7D)
![1\text{ cal}=0.003968\text{ BTU}](https://tex.z-dn.net/?f=1%5Ctext%7B%20cal%7D%3D0.003968%5Ctext%7B%20BTU%7D)
Converting temperature unit,
![^\circ C\times \frac{9}{5}+32=^\circ F](https://tex.z-dn.net/?f=%5E%5Ccirc%20C%5Ctimes%20%5Cfrac%7B9%7D%7B5%7D%2B32%3D%5E%5Ccirc%20F)
![1^\circ C\times \frac{9}{5}+32=33.8^\circ F](https://tex.z-dn.net/?f=1%5E%5Ccirc%20C%5Ctimes%20%5Cfrac%7B9%7D%7B5%7D%2B32%3D33.8%5E%5Ccirc%20F)
So, ![1^\circ C=33.8^\circ F](https://tex.z-dn.net/?f=1%5E%5Ccirc%20C%3D33.8%5E%5Ccirc%20F)
Substitute all the values in the unit conversion,
![1\ \frac{\text{cal}}{m^2\times sec\times ^\circ C}=\frac{0.003968}{10.7639\times \frac{1}{3600}\times 33.8}\frac{\text{BTU}}{ft^2\times hr\times ^\circ F}](https://tex.z-dn.net/?f=1%5C%20%5Cfrac%7B%5Ctext%7Bcal%7D%7D%7Bm%5E2%5Ctimes%20sec%5Ctimes%20%5E%5Ccirc%20C%7D%3D%5Cfrac%7B0.003968%7D%7B10.7639%5Ctimes%20%5Cfrac%7B1%7D%7B3600%7D%5Ctimes%2033.8%7D%5Cfrac%7B%5Ctext%7BBTU%7D%7D%7Bft%5E2%5Ctimes%20hr%5Ctimes%20%5E%5Ccirc%20F%7D)
![1\ \frac{\text{cal}}{m^2\times sec\times ^\circ C}=\frac{0.003968}{0.101061}\frac{\text{BTU}}{ft^2\times hr\times ^\circ F}](https://tex.z-dn.net/?f=1%5C%20%5Cfrac%7B%5Ctext%7Bcal%7D%7D%7Bm%5E2%5Ctimes%20sec%5Ctimes%20%5E%5Ccirc%20C%7D%3D%5Cfrac%7B0.003968%7D%7B0.101061%7D%5Cfrac%7B%5Ctext%7BBTU%7D%7D%7Bft%5E2%5Ctimes%20hr%5Ctimes%20%5E%5Ccirc%20F%7D)
![1\ \frac{\text{cal}}{m^2\times sec\times ^\circ C}=0.03926\frac{\text{BTU}}{ft^2\times hr\times ^\circ F}](https://tex.z-dn.net/?f=1%5C%20%5Cfrac%7B%5Ctext%7Bcal%7D%7D%7Bm%5E2%5Ctimes%20sec%5Ctimes%20%5E%5Ccirc%20C%7D%3D0.03926%5Cfrac%7B%5Ctext%7BBTU%7D%7D%7Bft%5E2%5Ctimes%20hr%5Ctimes%20%5E%5Ccirc%20F%7D)
Therefore, The conversion of unit is ![1\ \frac{\text{cal}}{m^2\times sec\times ^\circ C}=0.03926\frac{\text{BTU}}{ft^2\times hr\times ^\circ F}](https://tex.z-dn.net/?f=1%5C%20%5Cfrac%7B%5Ctext%7Bcal%7D%7D%7Bm%5E2%5Ctimes%20sec%5Ctimes%20%5E%5Ccirc%20C%7D%3D0.03926%5Cfrac%7B%5Ctext%7BBTU%7D%7D%7Bft%5E2%5Ctimes%20hr%5Ctimes%20%5E%5Ccirc%20F%7D)
It would be 11.21 percent, hope it helps.
Answer:
5
Step-by-step explanation:
Answer:
A. 4x²+20x+25
Step-by-step explanation:
Because of PEMDAS, you calculate the value inside of the parenthesis first, so you expand [2x+1-(4x+6)]:
2x+1-4x-6 = -2x-5.
Then apply the exponent:
(-2x-5)² = (-2x-5)(-2x-5) = 4x²+10x+10x+25 = 4x²+20x+25