We would first determine how to solve this, and then from there, we would then see whether the following answer would be the correct answers.
![2x^2 - 50 \\ \\ Pull \ out \ like \ factors : \\ 2x^2 - 50 = 2 * (x^2 - 25) \\ \\ Factoring: \\ x^2 - 25 \\ \\ (your \ answer)...\\ \\ 2 * (x + 5) * (x - 5)](https://tex.z-dn.net/?f=%20%202x%5E2%20-%20%2050%20%5C%5C%20%5C%5C%20Pull%20%5C%20out%20%5C%20like%20%5C%20factors%20%3A%20%5C%5C%20%0A%0A%20%20%202x%5E2%20-%2050%20%20%3D%20%20%202%20%2A%20%28x%5E2%20-%2025%29%20%5C%5C%20%5C%5C%20%20%20%20Factoring%3A%20%5C%5C%20%20%20%20x%5E2%20-%2025%20%5C%5C%20%5C%5C%20%28your%20%5C%20%20answer%29...%5C%5C%20%5C%5C%20%20%202%20%2A%20%28x%20%2B%205%29%20%2A%20%28x%20-%205%29)
Now, we can determine whether the say "yes" or "no" to the following answers.
<span>
a 2(x-5)(x+5) = YESb -2(x+5)(x+5) = NO
c -2(5-x)(x+5) = NO</span>
Answer: 65.1 (mg)
Step-by-step explanation:
![y=190*e^{-a*t}\\\\Calculate\ a:\\\\t=33,y=95(mg)\\\\190*e^{-a*33}=95\\\\e^{-a*33}=0.5\\\\-a*33=ln(0.5)\\\\a=\dfrac{ln(\dfrac{1}{2}) }{-33} \\\\a=0,02100... \approx{0.021}\\\\If\ t=51\ h, y=190*e^{-0.02100*51}=65.09167...\approx{65.1}](https://tex.z-dn.net/?f=y%3D190%2Ae%5E%7B-a%2At%7D%5C%5C%5C%5CCalculate%5C%20a%3A%5C%5C%5C%5Ct%3D33%2Cy%3D95%28mg%29%5C%5C%5C%5C190%2Ae%5E%7B-a%2A33%7D%3D95%5C%5C%5C%5Ce%5E%7B-a%2A33%7D%3D0.5%5C%5C%5C%5C-a%2A33%3Dln%280.5%29%5C%5C%5C%5Ca%3D%5Cdfrac%7Bln%28%5Cdfrac%7B1%7D%7B2%7D%29%20%7D%7B-33%7D%20%5C%5C%5C%5Ca%3D0%2C02100...%20%5Capprox%7B0.021%7D%5C%5C%5C%5CIf%5C%20t%3D51%5C%20h%2C%20y%3D190%2Ae%5E%7B-0.02100%2A51%7D%3D65.09167...%5Capprox%7B65.1%7D)
Answer: 3
Step-by-step explanation: Because, 1/2=2/4=3/6=4/8=5/10=6/12 are all the same. You can test is out by simply factoring out the biggest factor on both sides. For example, 2/4 can be simplified to 1/2, because 2/4=(2/2)/(4/2) you can divide both sides by two. Hope this helps, <3!
Answer:
B
Step-by-step explanation:
this is the answer to this question