A spinner has three unequal sections.
Red = 10
Yellow = 14
Blue = 6
We are asked to find the experimental probability of landing on yellow.
Recall that the experimental probability is given by
In this case, the number of desired outcomes are
Yellow = 14
The total number of possible outcomes is
Total sections = 30
Therefore, the experimental probability of landing on yellow is 7/15
3x - 7
The perimeter is the sum of all 3 sides of the triangle
To find the third side subtract the sum of the 2 known sides from the perimeter
x + 3 + 2x + 4 = 3x + 7
third side = 6x - (3x + 7 ) = 6x - 3x - 7 = 3x - 7
The middle section is n(n+1)
The top row is n+2
The bottom row is 2n+1
So the rule for the total number of tiles will be the sum of the above rules...
s(n)=n(n+1)+n+2+2n+1
s(n)=n^2+n+n+2+2n+1
s(n)=n^2+4n+3
Answer:
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Step-by-step explanation:
The answer would be twelve 12 because 6x.5 is 3 and 3+9 is equal to 12
