Find the value of 21.03 + 80.4 - 21.03
2 answers:
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Answer:
B
Step-by-step explanation:
A is correct because was added on both sides, which is supported by the Additive Property of Equality
C is correct because the Quotient Property of Logarithms states that
so is correct
D is correct because using the fact that it is easy to figure out that x=12
For B, there is no property supporting that statement.
The explicit rule for given sequence is:
Further explanation:
We have to determine first of all if the sequence is arithmetic or geometric.
- If the difference of two consecutive terms is same then the sequence is arithmetic sequence
- If the ratio of two consecutive terms is same then the sequence is geometric sequence
Given sequence is:
12,22,32,42
The common difference is 10 which is same for all consecutive terms. So the sequence is an arithmetic sequence.
The general formula for arithmetic sequence is:
Putting the values of a1 and d
The explicit rule for given sequence is:
Keywords: Arithmetic sequence, Common Difference
Learn more about arithmetic sequence at:
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