Simplify expression 8- ( 8-2) \ 3
1 answer:
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You can tell this is an arithmetic sequence because it is a list of terms beginning with -19 that increase by 6 each term. Because of this, we can use the formula for the sum of an arithmetic sequence, which is:
is the number of terms in the sequence
is the starting term
is the common difference among the terms
In this case, we can see that ,
, and
. Thus, we can use the formula:
Our answer is 10,521.
Answer:
The first occurence of t for which x = 0 is t = 0.5.
Step-by-step explanation:
The harmonic motion is described by the following equation.
What is the first occurrence of a value of t for which x = 0?
This is t when . So
The inverse of the cosine is the arcosine. So we apply the arcosine function to both sides of the equality.
The first occurence of t for which x = 0 is t = 0.5.