Kristen needs at least 500 points to earn the next trophy on her video game. She has 418 points. How many points must she earn t
2 answers:
Points required to win the trophy =500
Points Kristen already scored = 418
Let Kristen require x points to win the trophy.
So making an equation using the information we have,
Now we have to solve this equation to get the value of x .
subtracting 418 from 500 , we have,
x=82
So Kristen require at least 82 points to win the trophy.
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ANSWER
C) 1, 3, 6, 10, 15, 21, 28, 36, 45
EXPLANATION
The recursive formula is,
when n is a natural number greater than 1.
When n=2,
when n=3,
when t=4,
When t=5,
when t=6,.
when t=7
When t=8,
When t=9,
Hence the first nine triangular number are
C) 1, 3, 6, 10, 15, 21, 28, 36, 45