4x +28 and 68 are vertical angles and are equal.
Set them to equal each other to solve for x:
4x +28 = 68
Subtract 28 from each side:
4x = 40
Divide both sides by 4:
x = 40/4
x = 10
Step-by-step explanation:
1. x^2 + 10x + 25
2. x^2 - 25
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The person sitting next to me was very sensitive.
Answer:
C
Step-by-step explanation:
I explained in my last answer but someone deleted it
Answer:
126.4 cm
Step-by-step explanation:
1. 15.8 * 3 = 47.4 (This is the length)
2. Find half of the rectangle
47.4 + 15.8 (width) = 63.2
3. Find the whole perimeter
63.2 * 2 = 126.4