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3 years ago

BRAINLIEST PLEASE HELP ME What is the y-intercept 150 200 250 180

Mathematics

2 answers:

xeze [42]3 years ago

8 0

Answer:

250

Step-by-step explanation:

when x = 1, y = 250. That's the y-intercept

vladimir1956 [14]3 years ago

7 0

Answer: 200

Step-by-step explanation:

A y-intercept happens when x is 0. In this case, x represents the number of months, so we want to know how many stamps Carly has before starting. You can see that there is a pattern: every month, the number of stamps increases by 50.

For example, from month 1-3 (2 months), it increased 100, meaning it increased 50 per month

Now that we have that information, we have to go backwards.

At 1 month, it was 250, so at 0 months (where x = 0) it has to be 250-50, which equals 200.

Therefore, the answer is 200.

Hope this helps! :)

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3 years ago

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VikaD [51]

( $x^{2}$ + 4)( $x^{2}$ - 4)

To solve this question you must FOIL (First, Outside, Inside, Last) like so

First:

(x^2 + 4)(x^2 - 4)

x^2 * x^2

x^4

Outside:

(x^2 + 4)(x^2 - 4)

x^2 * -4

-4x^2

Inside:

(x^2 + 4)(x^2 - 4)

4 * x^2

4x^2

Last:

(x^2 + 4)(x^2 - 4)

4 * -4

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Now combine all the products of the FOIL together like so...

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Combine like terms:

x^4 - 4x^2 +4x^2 - 16

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x^4 - 16 <<<This is your answer

Hope this helped!

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