Answer:
420.25
Step-by-step explanation:
If the perimeter is 82, each side is 20.5. Then you do 20.5 x 20.5 to get 420.25.
Answer:
D) $2.81
Step-by-step explanation:
3.8 x .74 = 2.81
Solution:

![x+1=0\\x=-1\\\\2x-4=0\\x=2\\\\\frac{5x^{2}+8x+2}{2x}=0\\x=\frac{-4+\sqrt[]{6}}{5}\\x=\frac{-4-\sqrt[]{6}}{5}](https://tex.z-dn.net/?f=x%2B1%3D0%5C%5Cx%3D-1%5C%5C%5C%5C2x-4%3D0%5C%5Cx%3D2%5C%5C%5C%5C%5Cfrac%7B5x%5E%7B2%7D%2B8x%2B2%7D%7B2x%7D%3D0%5C%5Cx%3D%5Cfrac%7B-4%2B%5Csqrt%5B%5D%7B6%7D%7D%7B5%7D%5C%5Cx%3D%5Cfrac%7B-4-%5Csqrt%5B%5D%7B6%7D%7D%7B5%7D)
Answer:
![x=-1\\x=2\\x=\frac{-4+\sqrt[]{6}}{5}\\x=\frac{-4-\sqrt[]{6}}{5}](https://tex.z-dn.net/?f=x%3D-1%5C%5Cx%3D2%5C%5Cx%3D%5Cfrac%7B-4%2B%5Csqrt%5B%5D%7B6%7D%7D%7B5%7D%5C%5Cx%3D%5Cfrac%7B-4-%5Csqrt%5B%5D%7B6%7D%7D%7B5%7D)
<em>Hope this was helpful.</em>
Answer:
3/1
Step-by-step explanation:
rise/ run or also slope formula with 2 coordinates(2,3 and 3,6) use the slope formula
Answer:
The temperature had dropped by 15 degrees (-15 if you don't want it positive.)
Step-by-step explanation:
Okay!
This is a subtraction problem.
If it started off at 10, and went down to -5, we can do |-5 - 10| (I am using the two bars because it said change.) And we get 15!