The sum of 3 consecutive odd numbers is 51. what is the second number in this sequence

Mathematics

2 answers:

cricket20 [7]3 years ago

6 0

Answer:

Step-by-step explanation:

since it is in the middle you can just divide by 3 since one will be greater and one will be less so 51/3=17

Nezavi [6.7K]3 years ago

4 0

Assume the second number to be x, then the first numbers is X-2, third number is x + 2
Thus we have a sequence of x-2,x,x+2,the sum of these number is 51:
X-2+x+x+2=51
X=17
So, 15, 17, 19

You might be interested in

the intensity of current varies inversely with the resistance. when the resistance is 3 ohms, the intensity of current is 9 ampe

Novosadov [1.4K]

The resistance is 3/2

3 0

4 years ago

Read 2 more answers

Does the following infinite series converge or diverge? 1/3+2/9+4/27+8/81+...

PilotLPTM [1.2K]

Note that A and D are ludicrous choices, so you can throw them away outright. (Any divergent series cannot have a sum, and any convergent series must have a sum.)

The sum is certainly convergent because it can be written as a geometric sum with common ratio between terms that is less than 1 in absolute value.

$S=\dfrac13+\dfrac29+\dfrac4{27}+\dfrac8{81}+\cdots$
$S=\dfrac13\left(1+\dfrac23+\dfrac{2^2}{3^2}+\dfrac{2^3}{3^3}+\cdots\right)$

We can then find the exact value of the sum:

$\dfrac23S=\dfrac13\left(\dfrac23+\dfrac{2^2}{3^2}+\dfrac{2^3}{3^3}+\dfrac{2^4}{3^4}+\cdots\right)$

$\impliesS-\dfrac23S=\dfrac13$
$\implies\dfrac13S=\dfrac13$
$\implies S=1$

So the answer is B.

8 0

3 years ago

19 Which figure(s) below can have a triangle as a two-dimensional cross

Andrew [12]

The figures that can have a triangle as a two-dimensional cross section are (4) I, III, and IV, only

<h3>How to determine the figures?</h3>

The cross-section of three-dimensional figures are as a result of slicing the figure along its axis.

When the cube is sliced with its plane, it gives a triangle face
When a cone is sliced vertically, it gives a triangle face
One of the faces of a square pyramid is a triangle; so it has a triangle face

Hence, the figures that can have a triangle as a two-dimensional cross section are (4) I, III, and IV, only

Read more about cross section at:

brainly.com/question/3603397

#SPJ1

5 0

2 years ago

What is the answer to 4+{[1+(5-2]×3} is

OverLord2011 [107]

Answer:

Step-by-step explanation:

5-2=3+1=4*3=12+4=16

3 0