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2 years ago

X = ? picture is attached :)

Mathematics

2 answers:

Dafna11 [192]2 years ago

3 0

80 degrees

80+20=100

180-100=80

boyakko [2]2 years ago

3 0

It equals 80 degrees

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Suppose that a classmate asked you why (2x + 112 is not (4x² + 1). What is your response to this classmate?

aleksandr82 [10.1K]

The given expression is the square of a binomial, such that:

(2x + 1)^2 = 4x^2 + 4x + 1

Then the correct option is C.

<h3>Are the expressions equivalent?</h3>

We want to see if:

(2x + 1)^2

Is equivalent to (4x^2 + 1).

First, this is false, let's prove that.

We have the square of a binomial (2x + 1)^2. Remember the general formula:

(a + b)^2 = a^2 + 2ab + b^2

So if we apply this to our expression we get:

(2x + 1)^2 = (2x)^2 + 2*2x*1 + 1^2 = 4x^2 + 4x + 1

Then, the correct option is C.

If you want to learn more about binomials, you can read:

brainly.com/question/15246027

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Step-by-step explanation:

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2 years ago

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What is the estimate quotient for 83÷19

Luba_88 [7]

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I have one third gallon of juice and one sixth gallon. How many more gallons is need to make three gallons

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