Answer:
The answer is 245
Step-by-step explanation:
For arithmetic series with n=7: S7=(a1+a7)*7/2
Thus, S7=(26+44)*7/2=245
The answer is 245
They r similar shapes so the answer is b
The length is 3
Answer:
s
Step-by-step explanation:
<h3>
11s-11s </h3>
to make it easier, change it to...
11s+(-11s)
now solve.
your answer is s
<h3 />
Answer:
The interest rate was of 5.5% a year.
Step-by-step explanation:
The compound interest formula is given by:

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit year and t is the time in years for which the money is invested or borrowed.
In this question, we have that:

We have to find r.




Taking the square root from both sides to isolate r.




The interest rate was of 5.5% a year.
Answer:
0
Step-by-step explanation: