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REY [17]
3 years ago
6

#1 HINT: C=Pi X Diameter or C= 2 X Pi X Radius

Mathematics
1 answer:
Ket [755]3 years ago
5 0

Answer: i dont know  but its B or D

Step-by-step explanation:

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SCORPION-xisa [38]

Answer:

1

Step-by-step explanation:

Anything to the 0 power is equal to 1.

Hope this helped!!! :D

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Evaluate the summation of 3 n plus 2, from n equals 1 to 14. 39 49 340 343.
lord [1]

The summation of the considered expression in terms of n from n = 1 to 14 is given by: Option D: 343

<h3>How to find the sum of consecutive integers?</h3>

1 + 2 + 3 + ... + n = \dfrac{n(n+1)}{2}

<h3>
What are the properties of summation?</h3>

\sum_{i=r}^s  (a \times f(i) + b) = a \times [\: \sum_{i=r}^s f(i)] + (s-r)b

where a, b, r, and s are constants, f(i) is function of i, i ranging from r to s (integral assuming).

For the given case, the considered summation can be written symbolically as:

\sum_{n=1}^{14}  (3n + 2)

It is evaluated as;

\sum_{n=1}^{14}  (3n + 2) = 3 \times [ \: \sum_{n=1}^{14} n ] + \sum_{n=1}^{14} 2\\\\\sum_{n=1}^{14}  (3n + 2) = 3 \times \dfrac{(14)(14 + 1)}{2} + (2 + 2 + .. + 2(\text{14 times}))\\\\\sum_{n=1}^{14}  (3n + 2) = 3 \times 105 + 28 = 343\\

Thus, the summation of the considered expression in terms of n from n = 1 to 14 is given by: Option D: 343

Learn more about summation here:

brainly.com/question/14322177

5 0
3 years ago
What is 2/5 times -10
maxonik [38]

Answer:

-4

Step-by-step explanation:

2/5 times -10 = -4

6 0
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How many lines of symmetry does a regular polygon with 22 sides have
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There are 22 lines the same amount of sides

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