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MAXImum [283]
3 years ago
6

Find the average for each group. Round to nearest tenth. 6.8, 5.6, 3.4, 2.5, and 4.7.

Mathematics
1 answer:
mash [69]3 years ago
3 0

Answer:

4.6

Step-by-step explanation:

Hello!

To find the average we add all the numbers together and divide by how many numbers we added

6.8 + 5.6 + 3.4 + 2.5 + 4.7 = 23

We added 5 numbers so divide the total by 5

23/5 = 4.6

The answer is 4.6

Hope this helps!

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Find the sum of the first 6 terms of 3 - 6 + 12 + …
Natalka [10]

Answer:

S_6 = -63

Step-by-step explanation:

The sequence above is a geometric sequence.

The common ratio (r) = \frac{-6}{3} = \frac{12}{-6} = -2

The common ratio < 1, therefore, the formula for the sum of nth terms of the sequence would be: S_n = \frac{a_1(1 - r^n)}{1 - r}

a1 = 3

r = -2

n = 6

Plug in the values into the formula

S_6 = \frac{3(1 - (-2^6)}{1 - (-2)}

S_6 = \frac{3(1 - (64)}{1 + 2}

S_6 = \frac{3(-63)}{3}

S_6 = -63

6 0
3 years ago
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Maksim231197 [3]

Answer:

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Step-by-step explanation:

But I’m pretty sure its b?

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7 0
3 years ago
Read 2 more answers
Jessica has saved $50. She will add $25 to her savings each week. Ron has saved $40 and will add $25 to his savings each week.
MAVERICK [17]

Answer:

Jessica will have saved $175, and Ron will have saved $165.

Step-by-step explanation:

Jessica starts out with $50. She adds $25 each week, and it's asking how much money she would have in 5 weeks. So, you multiply $25 by 5 to get $125. Then, you add $50 to that to get $175. Same thing for Ron. Multiply $25 by 5 to get $125, but this time add $40 to it to get $165.

6 0
3 years ago
Read 2 more answers
Which is bigger please help only have 5 mins <br> 7.5, 1, 3.1, 1.7
ArbitrLikvidat [17]
I need help with these too ugh someone help me
5 0
4 years ago
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Can someone help me with this math problem..?
erma4kov [3.2K]
10x -15y=45
9x+15y= 12

19x= 57
x= 3

3(3)+5y= 4

9 + 5y = 4
5y = -5
y = -1

(3,-1)
6 0
3 years ago
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