Answer: 20
Step-by-step explanation:
8 times 2 = 16
16 plus 4 = 20
Answer:
nth term--n+3
Step-by-step explanation:
numbers increase by add three each time
Perimeter: x + (4x + 9) + (x + 11)
The value x is for the bottom of the triangle.
Simplified, it would be 6x + 20
Answer:
I think its C
Step-by-step explanation:
Sorry if im wrong
Answer:
There will be 4 blue marbles
Step-by-step explanation:
Yellow to blue marbles is in a ratio of:
5:10
the representative sample is:
2:x
simplee cross multiplication can be aplied
5x = 2*10
5x = 20
divide both sides by 5
x = 4
there should be four blue marbles
