KindaSmartPersonn
23.10.2019 •
Mathematics
Consider a sequence that follows a minus 5 pattern: 30, 25, 20, 15, ….
b. using the formula, find the 20th term of the sequence.
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Ответ:
Step-by-step explanation:
As we can see, the sequence starts from 30 and decreases by 5 each time. So, one possible formula for that sequence could be:
Let's confirm the formula by evaluating the first 4 terms:
Finally evaluating n=20:
Ответ:
(-2)^3.3^3.a^(-2).3. b^4.3 .c0^0.3
-2^3. 3^3. a^-6. b^12 .1