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irakobra [83]
3 years ago
12

The diameter of a circle is 20 centimeters.

Mathematics
2 answers:
Scrat [10]3 years ago
8 0

Answer:

62.8 centimeter is it's correct answer.

Nikolay [14]3 years ago
4 0

Answer:

10 centimeters

Step-by-step explanation:

The radius is 1/2 of the diameter

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What is the fourth term of an arithmetic sequence whose first term is 23 and whose seventh term is 5?
mixas84 [53]

We have that  the fourth term of an arithmetic sequence is

a_4=14

Option C

From the question we are told

What is the fourth term of an arithmetic sequence whose first term is 23 and whose seventh term is 5?

A) 78

B) 32

C) 14

(Explain your work)

Generally the equation for the  arithmetic sequence  is mathematically given as

a_4=a_1+(n-1)d

Therefore

For seventh term

5=23+(6)d\\\\d=5-23/(6)\\\\d=-3

Therefore

For Fourth term

a_4=23+(3*(-3))

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For more information on this visit

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4 0
3 years ago
3. Which is the better buy?
Olegator [25]

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5 0
3 years ago
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Hello ! I'm happy to help
the answer all revolves around this simple formula:
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