Answer:
the value of x is 115
Step-by-step explanation:
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Answer:
![5x^2-9x-1](https://tex.z-dn.net/?f=5x%5E2-9x-1)
Step-by-step explanation:
f - g
![=5x^2-4x -(5x+1)\\\\=5x^2-4x-5x-1\\\\=5x^2-9x-1](https://tex.z-dn.net/?f=%3D5x%5E2-4x%20-%285x%2B1%29%5C%5C%5C%5C%3D5x%5E2-4x-5x-1%5C%5C%5C%5C%3D5x%5E2-9x-1)
Solution:
we have been asked to simplify
(2− 1) + 3^2 ÷ 3
Using PEMDAS rule
we will simplify it in the order of PEMDAS
Parenthesis first we get
1+3^2 ÷ 3
Now does the exponent operation
1+9 ÷ 3
Now does the division Operation
1+3
Now does the addition operation
4
Hence the simplified value of the expression (2− 1) + 3^2 ÷ 3 is 4.
Hence the correct option is A
Angle 2 and Angle B are both the same
180-50-65= 65 (angle sum of a triangle is 180 degrees) B = 65 degrees
180-50-65= 65 (angle sum on a straight line is 180 degrees) 2= 65 degrees
Thus Angle 2 and Angle B are both the same