Answer:
x = 9, Angles are 54°
Step-by-step explanation:
First, we need to find x:
7x-9 = 5x+9
+9 +9
7x = 5x+18
-5x -5x
2x = 18
x = 9
Now, we plug our x value in to find our angles.
5(9) + 9 = 54
Angle B = 54°
7(9) - 9 = 54°
Angle E = 54°
(angles are the same due to AAA property)
Answer: Weight of Charles = 177.5 pounds
Weight of dos = 22.5 pounds.
Step-by-step explanation:
Let x = Weight of Charles
y = Weight of dog.
As per given , we have the following system of linear equation :
![x+y=200--------(i)\\\\x-20=7y-----------(ii)](https://tex.z-dn.net/?f=x%2By%3D200--------%28i%29%5C%5C%5C%5Cx-20%3D7y-----------%28ii%29)
We can write (ii) as :
![x-7y=20---(iii)](https://tex.z-dn.net/?f=x-7y%3D20---%28iii%29)
Subtract equation (iii) from (i) , we get
![8y=180\\\\ y=\dfrac{180}{8}=22.5](https://tex.z-dn.net/?f=8y%3D180%5C%5C%5C%5C%20y%3D%5Cdfrac%7B180%7D%7B8%7D%3D22.5)
Put this value in (1) , we get
![x+22.5=200\Rightarrow\ x=200-22.5=177.5](https://tex.z-dn.net/?f=x%2B22.5%3D200%5CRightarrow%5C%20x%3D200-22.5%3D177.5)
Hence , Weight of Charles = 177.5 pounds
Weight of dos = 22.5 pounds.
5 is the correct answer kind sir
Answer:
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Step-by-step explanation: