Given the arithmetic sequence an = 2 + 4(n − 1), what is the domain for n?
1 answer:
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Answer:
Interest paid to Laura is $320
The final amount is $2320
Step-by-step explanation:
Recall that the equation for simple interest is where
is the final amount,
is the principal/initial value,
is the annual interest rate, and
is the time in years.
Therefore, if the final amount is $2320, then the interest paid to Laura is $2320 - $2000 = $320
Answer:
Let Lance represented by L and Nick represented by N
As per the statement:
Lance has three times as many pencils as Nick
⇒ .....[1]
It is also given that:
They have 84 pencils together.
⇒ .....[2]
Substitute the equation [1] into [2] we have;
⇒
Divide both sides by 4 we have;
N = 21
Substitute this in [1] we have;
L = 3(21) = 63
Therefore, Lance has 63 pencils and Nick has 21 pencils