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3 years ago

Balancing Equations.

Mathematics

2 answers:

Rus_ich [418]3 years ago

8 0

Answer:

Step-by-step explanation:

2+3= 4+ 1

4+5= 2 +7

3+6 = 9 + 0

5+ 7 =8+4

7 +2=6+3

5+5= 4 +6

7+1 =4+4

3+9=10+ 2

6+1=7+0

8+5= 4+9

aliina [53]3 years ago

5 0

1. 5
2. 2
3. 0
4. 7
5. 7
6. 4
7. 1
8. 2
9. 6
10. 4
:)

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3 years ago

Calculate the sum of the infinite series 98+84+72+432/7+...

bogdanovich [222]

ANSWER

$S_\infty= 686$

EXPLANATION

The given infinite series is

$98 + 84 + 72 + \frac{432}{7} + ...$

The sum to infinity of this series is given by the formula,

$S_\infty= \frac{a_1}{1 - r}$

where the first term of this infinite geometric series is

$a_1 = 98$

and the common ratio is
$r = \frac{a_2}{a_1}$

$r = \frac{72}{98} = \frac{6}{7}$

We substitute these values to obtain,

$S_\infty= \frac{98}{1 - \frac{6}{7} }$

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$S_\infty= \frac{98}{\frac{1}{7} }$

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