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3 years ago

A rectangular photograph measures 23.3 cm by 19.7 cm, each correct to 1 decimal place

Mathematics

1 answer:

Paha777 [63]3 years ago

3 0

Step-by-step explanation:

Perimeter = L+W

=23.3+19.7

=43cm

Area = L×W

=23.3×19.7

=459.01 cm2

Hope it helps :)

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Step-by-step explanation:

i think this is the greatest because if you solve all of the expressions you will find out that this is the greatest.

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3 years ago

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igor_vitrenko [27]

The value of $a_{5}$ is 2500, when $a_{1}=4$ and $5a_{n-1}$ .

Given that, $a_{1}=4$ and $5a_{n-1}$ .

We need to find the value of $a_{5}$ .

<h3>What is an arithmetic sequence?</h3>

An arithmetic progression or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant.

Now, to find the value of $a_{5}$ :

$a_{2} =5a_{2-1}=5a_{1}=5 \times4=20$

$a_{3} =5a_{3-1}=5a_{2}=5 \times20=100$

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$a_{5} =5a_{5-1}=5a_{4}=5 \times500=2500$

Therefore, the value of $a_{5}$ is 2500.

To learn more about arithmetic sequence visit:

brainly.com/question/15412619.

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