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2 years ago

How does 2 relate to 3

Mathematics

1 answer:

erik [133]2 years ago

4 0

Answer:

The number that was added to the previous number is doubled.

For example:

2+1 = 3

2x1= 2

3+2= 5

2x2=4

5+4=9

4x2=8

8+9=17

I hope this helps:)

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The common ratio in a geometric series is 0.5 and the first term is 256. Find the sum of the first 6 terms in the series

Svetach [21]

Answer:

The sum of the first 6 terms of the series is 504.

Step-by-step explanation:

Given that,

Common ratio in a geometric series is, r = 0.5

First term of the series, a = 256

We need to find the sum of the first 6 terms in the series. If a and r area the first term and common ratio of a series, then the series becomes:

$a,ar^1,ar^2,ar^3......$

The sum of n terms of a GP is given by :

$S_n=\dfrac{a(1-r^n)}{1-r}$

Here, n = 6

$S_n=\dfrac{256\times (1-(0.5)^6)}{1-0.5}\\\\S_n=504$

So, the sum of the first 6 terms of the series is 504.

4 0

4 years ago

Simplify 21/3 x 41/2

ikadub [295]

$\frac{21}{3} * \frac{41}{2} = \frac{21*41}{3*2} = \frac{861}{6} = \frac{3*287}{3*2} = \frac{287}{2}$

8 0

4 years ago

Read 2 more answers

How many kilograms is a rice packet that weighs 750 g?<br> (Please answer quick!)

RideAnS [48]

Answer:

0.750 kg

Step-by-step explanation:

Hi there ,

As you know 1 kg = 1000g

So when we convert g to kg then we divide the given value of grams by 1000.

So in this case we have 750 grams, changing it we have :

$\frac{750}{1000}$

Since there are 3 zeroes in 1000 we move the decimal point by 3 places to the left leaving the answer as : 0.750 kg or $\frac{750}{1000}$ kg

Please mark me as brainliest if you found the above answer helpful

5 0

3 years ago

Mark got 54 out of 66 correct in his test. What fraction of the marks did he get correct? Give your answer in its simplest form

elixir [45]

Answer:

$\texttt{Fraction of the marks did he get correct}=\frac{9}{11}$

Step-by-step explanation:

Mark got 54 out of 66 correct in his test.

We need to find what fraction of the marks did he get correct,

Total number of questions = 66

Total number of correct answers = 54

$\texttt{Fraction of the marks did he get correct}=\frac{\texttt{Total number of correct answers}}{\texttt{Total number of questions}}\\\\\texttt{Fraction of the marks did he get correct}=\frac{54}{66}\\\\\texttt{Fraction of the marks did he get correct}=\frac{9}{11}$

6 0

3 years ago

Write a word phrase that represents the expression 3q/2

Sati [7]

Three times q divided by two

Hope this helps

5 0

3 years ago