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Viefleur [7K]
3 years ago
5

Select the sum of the series. ∑4k=1k2

Mathematics
1 answer:
SashulF [63]3 years ago
7 0
File under /hs. c= file remove. cmx.html. please refile.
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Select the correct expression
umka2103 [35]
The answer is A have a great day
3 0
3 years ago
-5, 20, -80, 320, ... is a geometric sequence a. Find the common ratio, b. Write its recursive rule c. Write its explicit rule.W
mario62 [17]

a.

In order to find the common ratio, we just need to divide a term by the term that comes before it.

So using the terms 20 and -5, we have:

\text{ratio}=\frac{20}{-5}=-4

b.

The recursive rule can be found with the formula:

a_n=a_{n-1}\cdot q

Where an is the nth term and q is the ratio. So we have:

a_n=a_{n-1}\cdot(-4)

c.

The explicit rule can be written as:

a_n=a_1\cdot q^{n-1}

Where an is the nth term, a1 is the first term and q is the ratio. So:

a_n=-5\cdot(-4)^{n-1}

5 0
1 year ago
Raphael wants to buy a new car. He needs a down payment of $3000 if he saves $340 a month about how many months will it take him
vovangra [49]
2660 mouths to get his car
4 0
3 years ago
Please help with angle addition
KonstantinChe [14]

Answer:

m∠1 = 89°

Step-by-step explanation:

     Since m∠2 is a part of ∠GFH, he can do the following.

∠GFH - m∠2 = m∠1

133° - 44° = 89°

4 0
2 years ago
There are 1,039 souvenir paperweights that need to be packed in boxes. Each box will hold 12 paperweights. How many boxes will b
saw5 [17]
1,038/12= 86.5833333 86x12=1,032
1,039-1,032=7 left over So you’ll need 87 boxes
7 0
3 years ago
Read 2 more answers
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