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netineya [11]
3 years ago
10

Find the approximate value of the circumference of a circle with the given radius. use = 3.14. round your results to one more de

cimal than in the given radius.4 inchesc =
Mathematics
1 answer:
sveta [45]3 years ago
4 0
The circumference of the circle is about 25.12 inches. Hope it help!
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A+5=6<br> a . a = 0<br> b. a = 1<br> c. a = 2
Nastasia [14]
A+5=6
Subtract 5 from both sides
A+5-5=6-5
A=1

Hope that helps
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Mattis saving to buy a new motorcycle. If he deposits $50 at the end of each month in an account that pays an annual interest ra
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In thirty months you should have 5,250.00
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An area of a square is 1.56 square feet what si the area of a floor covered with 10 to the third power tiles?
Diano4ka-milaya [45]

Answer: 1560 ft squared

Step-by-step explanation:

6 0
3 years ago
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Can someone explain what geometric sequences are?
Fed [463]

Explanation:

A sequence is a list of numbers.

A <em>geometric</em> sequence is a list of numbers such that the ratio of each number to the one before it is the same. The common ratio can be any non-zero value.

<u>Examples</u>

  • 1, 2, 4, 8, ... common ratio is 2
  • 27, 9, 3, 1, ... common ratio is 1/3
  • 6, -24, 96, -384, ... common ratio is -4

___

<u>General Term</u>

Terms of a sequence are numbered starting with 1. We sometimes use the symbol a(n) or an to refer to the n-th term. The general term of a geometric sequence, a(n), can be described by the formula ...

  a(n) = a(1)×r^(n-1) . . . . . n-th term of a geometric sequence

where a(1) is the first term, and r is the common ratio. The above example sequences have the formulas ...

  • a(n) = 2^(n -1)
  • a(n) = 27×(1/3)^(n -1)
  • a(n) = 6×(-4)^(n -1)

You can see that these formulas are exponential in nature.

__

<u>Sum of Terms</u>

Another useful formula for geometric sequences is the formula for the sum of n terms.

  S(n) = a(1)×(r^n -1)/(r -1) . . . . . sum of n terms of a geometric sequence

When |r| < 1, the sum converges as n approaches infinity. The infinite sum is ...

  S = a(1)/(1-r)

8 0
3 years ago
Can u help me I don't get it
Elina [12.6K]
Equivalent fractions can you help add or subtract because it can be easier to simplify.


hope that helped
6 0
3 years ago
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