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ira [324]
3 years ago
7

Here all me points i have 0 now

Mathematics
1 answer:
marin [14]3 years ago
4 0

Answer:

thanks

Step-by-step explanation:


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What are the first and last terms of this geometric series
11Alexandr11 [23.1K]
ANSWER

E. 10 and 640


EXPLANATION


The given series is

\sum_{i=1}^45 \times 2^{2i-1}


To find the first term of the series we substitute i=1 to get,


a_1 = 5 \times  {2}^{2 \times 1 - 1}


a_1 = 5 \times  {2}^{ 1}  = 10



For the last term of the series, we substitute i=4 to obtain,

a_4 = 5 \times  {2}^{2 \times 4 - 1}


a_4 = 5 \times  {2}^{7}



This implies that,


a_4 = 5 \times  128 = 640


Therefore the correct answer is E
7 0
3 years ago
What is 5 1/4 as a percent as a fraction in simplest form
sashaice [31]
21/100 is the answer. Hope this helped!

6 0
3 years ago
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The function ()=2,708.92(1.12) − 12 models the amount of money in Caleb's investment account after years.
wolverine [178]

Answer:

d i think

Step-by-step explanation:

5 0
3 years ago
Helpppppppppp please
eduard

You know b=-6 and since you know this, you can plug -6 in for b.

This would become 4(-6) + 6 divided by 6.

You can then multiply 4 and -6 together,

-24 + 6 / 6

You can then add -24 and 6 together,

-18/6

You can then divide -18 by 6,

-18/6=-3

-3 is your final answer

7 0
3 years ago
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The distance between two cities on a map is 4.5cm. The map scale is 1cm : 40 miles. What is the actual distance between the two
eimsori [14]

Answer: 180 miles

Step-by-step explanation: 1cm=40 miles. There is 4.5 so 4*40=160 and there is also half a centimeter, which is 20 miles. 160+20

Hope this helps and brainliest would be appreciated

5 0
2 years ago
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