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zloy xaker [14]
3 years ago
8

7th term in geometric sequence an=2 5(n-1)

Mathematics
1 answer:
Soloha48 [4]3 years ago
3 0
To find the 7th term, all you have to do is plug it in the equation.

First n would equal 7 because we are looking for the 7th term.

Now, let's plug everything we know into the equation.

a7 = 2+5 * (7-1)

= 2 + 5 * 6

= 2 + 30

= 32

In conclusion, the 7th term would equal 32.
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Jeffrey needs to multiply 689 by 39, 899. Which of the following would
zhuklara [117]

Answer:

Answers are below

Step-by-step explanation:

I would estimate the numbers as 700 and 40,000

The estimated answer is 700 x 40,000 = 28,000,000

The actual answer is 689 x 39,899 = 27,490,411

The estimated and actual answer are pretty close so this works.

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7 0
4 years ago
I need to know this I don’t understand and it is last one
Len [333]

Answer:

The answer is 4x

Step-by-step explanation:

Hope this helped

4 0
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2x - 6x + 9 factored
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3 years ago
You have a coin collection of nickels and dimes containing 63 coins. If you have
xxTIMURxx [149]

Answer: 25 nickels

Step-by-step explanation:

EQUATIONS:

quantity: n + d = 63

value: 5n + 10d = 505

-------------------------

Divide thru the 2nd equation by 5 to get:

n + 2d = 101

----------------

Subtract that from the 1st equation:

-d = -38

d = 38 (# of dimes)

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Substitute that into n+d=63 to solve for "n":

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6 0
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The sum of j and 47 is 55
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J + 47 = 55
j = 8

8 is the missing number.
6 0
3 years ago
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