Answer:
see explanation
Step-by-step explanation:
The diagrams show triangular figures
The first figure has 1 dot
The second has 1 + 2 = 3 dots
The third has 3 + 3 = 6 dots
The fourth has 6 + 4 = 10 dots
Note the pattern is + 2 , + 3, + 4
Thus the fifth pattern is 10 + 5 = 15 dots
Answer:
55 1/2 feet
Step-by-step explanation:
.25 yards = 9 inches
9 inches x 74 bookmarks= 666 inches
12 inches = 1 foot
666 inches/12 inches = 55.5 feet
Answer:
hmmmmmmmmmmm I don't understand your question sorry
Step-by-step explanation:
First you must add/subtract all like terms. For example, 2y4 and 6y4 can be simplified. Once you have all your variables combined, you will get your answer.
The arithmetic sequence is increasing in 12 each time
18, 30, 42, 54, 66
12n 12, 24, 36, 48, 60
To get from 12n to the arithmetic sequence, you add 6 each time
Therefore the answer is C - an = 12n + 6