Answer:
Step-by-step explanation:
7/3+12-2=12.33
7/2+12-3=12.5
<h2>The value of StartFraction 6 Over x EndFraction + 2x2, when x = 3 is 20.</h2>
Explanation:
The given expression is 
When x = 3, the expression becomes 

= 2 + 18 = 20
Let me explain like this .Suppose There are 40 people gathered somewhere for attending an event.Each Person has to be given 2 sweets for their arrival or for showing their presence in the event. Now 40 other woman joined them..Instead of getting two sweets each of them got one sweet.
Solution: 2 sweets × 40 people = 1 sweet × 80 people = 80
2nd Way:
There are 40 rooms in a building.In Each room we have to fix two bulbs. So How many bulbs are there in the building.
Solution →→→2 bulbs × 40 room = 80 bulbs
Diagram is depicted below for two parts.
Right triangle because of the 90. Every triangle having an angle of 90 degrees is a right triangle.