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brilliants [131]
3 years ago
6

What is the radius of 34.54

Mathematics
2 answers:
Tema [17]3 years ago
7 0
The radius is <span>5.497211734394065

</span>
jonny [76]3 years ago
3 0
5.497211734394065 is the radius of 34.54
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The exponent indicates how many times the what is used
sukhopar [10]

The exponent indicates how many times the base is used as a factor.

3 0
2 years ago
Find the sum of the first 20 terms of an arithmetic sequence with an 18th term of 8.1 and a common difference of 0.25.
il63 [147K]

The sum of the first 20 terms of an arithmetic sequence with the 18th term of 8.1 and a common difference of 0.25 is 124.5

Given,

18th term of an arithmetic sequence = 8.1

Common difference = d = 0.25.

<h3>What is an arithmetic sequence?</h3>

The sequence in which the difference between the consecutive term is constant.

The nth term is denoted by:

a_n = a + ( n - 1 ) d

The sum of an arithmetic sequence:

S_n = n/2 [ 2a + ( n - 1 ) d ]

Find the 18th term of the sequence.

18th term = 8.1

d = 0.25

8.1 = a + ( 18 - 1 ) 0.25

8.1 = a + 17 x 0.25

8.1 = a + 4.25

a = 8.1 - 4.25

a = 3.85

Find the sum of 20 terms.

S_20 = 20 / 2 [ 2 x 3.85 + ( 20 - 1 ) 0.25 ]

         = 10 [ 7.7 + 19 x 0.25 ]

         = 10 [ 7.7 + 4.75 ]

         = 10 x 12.45

         = 124.5

Thus the sum of the first 20 terms of an arithmetic sequence with the 18th term of 8.1 and a common difference of 0.25 is 124.5

Learn more about arithmetic sequence here:

brainly.com/question/25749583

#SPJ1

8 0
1 year ago
May someone please help me
wel

Answer:

ok but helppp meeeee nothinggggg

4 0
2 years ago
What is a decimal equivalent of the fraction 32/45
saul85 [17]

Answer:

0.71. with the bar notation over the 1

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Mary is making pillows for her Life Skill class. She bought 2 ½ yards of fabric. Her total cost was $15. What was the cost per y
BigorU [14]

Answer:

15 divided by 2 1/2

Step-by-step explanation:

$6 per yard.

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3 years ago
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