3 years ago

1. Answer the following questions on the number given below. 12,34 761 (a) What is this number called?

Mathematics

1 answer:

tester [92]3 years ago

3 0

Step-by-step explanation:

one million, two hundred thirty-four thousand, seven hundred sixty-one

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The elevation at the top of Mount Everest is 8850 meters. The temperature falls at a rate of 1 degree C per 100 meters. The base

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4 years ago

H = ac + mn solve for n

notka56 [123]

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$n = \frac{h - ac}{m}$

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1 year ago

Find the sum of the first five terms using the geometric series formula for the sequence left curly bracket 1 half comma space m

MatroZZZ [7]

Answer:

$\bold{\dfrac{11}{2 }}$

Step-by-step explanation:

Given the geometric series:

$\{\dfrac{1}2, -1, 2, -4, ..... \}$

To find:

Sum of series upto 5 terms using the geometric series formula = ?

Solution:

Formula for sum of a n terms of a geometric series is given as:

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

$a$ is the first term of the geometric series

$r$ is the common ratio between each term (2nd term divided by 1st term or 3rd term divided by 2nd term ..... ).

Here:

$a = \dfrac{1}{2}$

$r = \dfrac{-1}{\dfrac{1}{2}} = -2$

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So, applying the formula for given values:

$S_5=\dfrac{\dfrac{1}2(1-(-2)^5)}{1-(-2)} \\\Rightarrow S_5=\dfrac{1-(-32)}{2 \times 3} \\\Rightarrow S_5=\dfrac{1+32}{6} \\\Rightarrow S_5=\dfrac{33}{6} \\\Rightarrow \bold{S_5=\dfrac{11}{2}}$

So, the answer is

$\bold{\dfrac{11}{2 }}$

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4 years ago

1. Answer the following questions on the number given below. 12,34 761 (a) What is this number called?​

1. Answer the following questions on the number given below. 12,34 761 (a) What is this number called?