Answer:
Step-by-step explanation:
Notice that each new term in the arithmetic sequence 1, -1, -3, ... is 2 less than the previous term. Thus, the common difference is -2.
The formula for this sequence is a(n) = 1 - 2(n - 1), or a(n) = 3 - 2n
Answer:
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Answer: D ; The value of the digit in the ten thousand place is 1/10 the value of the digit in the hundreds place.
Between 75 and 98.
Step-by-step explanation:
Let's first have a look at the previous data available:
Friday, 27 dunk teachers out of 215 participants (12.5%)
Saturday: 54 dunk teachers out of 417 participants (12.9%)
Sunday: 39 dunk teachers out of 368 participants (10.6%)
So, based on the previous 3 days, she can expect between 10% and 13% will dunk a teacher.
If she has 750 contestants on Monday, the number of winners should then be in the range of 75 (10% of 750) and 98 (13% of 750).
