Answer:

Step-by-step explanation:
Pattern 1 consists of
small squares (here n = 1 and
).
Pattern 2 consists of
small squares (here n = 2 and
).
Pattern 3 consists of
small squares (here n = 3 and
).
Thus, pattern n consists of
small squares.
Answer:
wave length = 30/6 = 5m
Step-by-step explanation:
wave travels 30m in one second.
wave completes 6 cycles in one second.
10/2.5= 4 the answer is 4 meters because you just divide them.
Answer:
16 year olds had the higher ratio of black belts to brown belts.
Step-by-step explanation:
15 year olds: 8/28 students had black belts
8/28 = 28.6% had black belts
16 year olds: 10/27 students had bald belts
10/27 = 37.0% had black belts
You would set it up like this: 150x + 280 = 255x The you just solve.