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azamat
3 years ago
10

BRAINLIEST ASAP! PLEASE HELP ME :)

Mathematics
1 answer:
Nitella [24]3 years ago
6 0

The answer is [ ∠A ≅ ∠A; A F/AB = AG/AC = 3 ]

Both triangles are the same just different sizes.

The length of A F is 9 units. The length of AB is 3 units.

To find the scale factor, just divide.

9 / 3 = 3

The length of AG is 6 units. The length of AC is 2 units.

To find the scale factor, just divide.

6 / 2 = 3

The only logical answer is B because the ratio's are written to where when you solve them, you get the scale factor 3.

Best of Luck!

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Answer:

l=31+20(y-2007)

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Step-by-step explanation:

I will define the variable x as the number of years that passed since 2007.

Since the school buys 20 lapts each year, after a number x of years, the school will have

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and thus, since the school starts with 31 laptops, the equation to model this situation is

l=31+20*x

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since x is the number of years that have passed since 2007, it can be represented like this:

x=y-2007

where y can be any year, so the equation to model the situation using the year:

l=31+20(y-2007)

and this way we can find the number of laptos at the end of 2017:

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and

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l=31+20(2017-2007)\\l=31+20(10)\\l=31+200\\l=231

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