Answer:
120cm *squared*
Step-by-step explanation:
A = π r² to find a circle
half of diameter is radius so 12/2 = 6
3 x 6 (squared) = 108
we found the half circle then add 12
so we make a semi circle
108 + 12= 120
answer 120 cm *squared*
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Answer:
- 85
Step-by-step explanation:
The n th term of a geometric series is
= a![(r)^{n-1}](https://tex.z-dn.net/?f=%28r%29%5E%7Bn-1%7D)
where a is the first term and r the common ratio
1
← is the n th term of a geometric series
with a = 1 and r = - 2
The sum to n terms of a geometric series is
= ![\frac{a(r^{n}-1) }{r-1}](https://tex.z-dn.net/?f=%5Cfrac%7Ba%28r%5E%7Bn%7D-1%29%20%7D%7Br-1%7D)
= ![\frac{1((-2)^{8}-1 }{-2-1}](https://tex.z-dn.net/?f=%5Cfrac%7B1%28%28-2%29%5E%7B8%7D-1%20%7D%7B-2-1%7D)
= ![\frac{256-1}{-3}](https://tex.z-dn.net/?f=%5Cfrac%7B256-1%7D%7B-3%7D)
= ![\frac{255}{-3}](https://tex.z-dn.net/?f=%5Cfrac%7B255%7D%7B-3%7D)
= - 85
Answer:
I would say either None of the Above or 3.
Step-by-step explanation:
Answer:
$1.05
Equation 7*(.05*y) with y being years
Step-by-step explanation:
The start number is 7 and one equation is 7*(.05*y)
With Y being the variable for years
7*(.05*3)
7*.15
1.05 $1.05
The total amount of money Darnell will have is $8.05, and the interest is $1.05
Answer:
d
Step-by-step explanation:
Just look for the one that have right adding