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1 year ago

If the scale factor for the dilation shown is 3, which is the length of B'C'?

Mathematics

1 answer:

Arturiano [62]1 year ago

5 0

Answer:

Step-by-step explanation:

Scale Factor = 3

Using Formula:

Scale Factor = LengthOfDilatedTraingle/LengthOfActualTriangle

Scale Factor = B'C'/B'C'

B'C' = 3 * 5

B'C' = 15

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Step-by-step explanation:

C because you multiply the nimbers and then divid.

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17. a)

Step-by-step explanation:

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2 years ago

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The first term of an arithmetic sequence is equal to four and the common difference is three. find the formula for the value of

hichkok12 [17]

The formula for the value of nth term is $a_{n}$ = 3n + 1

Step-by-step explanation:

The formula of the nth term in the arithmetic sequence is

$a_{n}=a+(n-1)d$ , where

a is the first term of the sequence
d is the common difference between each two consecutive terms

∵ The first term of an arithmetic sequence is equal to four

∴ a = 4

∵ The common difference is equal to three

∴ d = 3

- Substitute these values in the rule of the nth term

∵ $a_{n}=a+(n-1)d$

∴ $a_{n}=4+(n-1)3$

- Simplify it

∴ $a_{n}=4+3n-3$

∴ $a_{n}=1+3n$

The formula for the value of nth term is $a_{n}$ = 3n + 1

Learn more:

You can learn more about the sequence in brainly.com/question/7221312

#LearnwithBrainly

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