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2 years ago

Help me you'll get brainliest!!!

Mathematics

2 answers:

gavmur [86]2 years ago

8 0

D then A. The first one is D and the second is A. It's all of the numbers combined to make up the domain or range :)

SashulF [63]2 years ago

6 0

The domain is {0, 1, 2, 3} because those are the x-values that go into this function.
The range is {1, 3, 5, 7} because those are the y-values that go out of this function.
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Hope this helps!

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Write 7 and 4/5ths as a decimal.

kipiarov [429]

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3 years ago

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ratelena [41]

Answer:

D. 24

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(That will give you a little extra paint)

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Have a nice day!

Hope this helped.

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2 years ago

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3 years ago

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pentagon [3]

Answer:

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7 0

2 years ago

Read 2 more answers

Which of the following is a perfect square trinomial?

shutvik [7]

Answer:

Step-by-step explanation:

Take a look at what happens when squaring either of these...

$(ax-by)^2=(ax-by)(ax-by)=a^2x^2-2abxy+b^2y^2\\\\(ax+by)^2=(ax+by)(ax+by)=a^2x^2+2abxy+b^2y^2\\$

Notice a couple of patterns.

1. The last term has a positive coefficient. That rules out answer choices C and D.

2. The coefficient of the middle term is either $+2ab \text{ or } -2ab$ . So what are a and b? a is the square root of the x^2 term and b is the square root of the y^2 term.

$25x^2 \Rightarrow a=5\\\\9y^2 \Rightarrow b=3\\\\ab=15\\\\2ab=30$

The middle coefficient needs to be either +30 or -30. The answer is choice A.

5 0

2 years ago