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elena-s [515]
3 years ago
5

Which answer choice is it A 110 B 100 C 70 D 50

Mathematics
2 answers:
hammer [34]3 years ago
8 0

Answer:

The missing angle is D)50

Step-by-step explanation:

These 2 angles are supplementary which means they add up to 180:

x + 130 = 180

x = 180 - 130

x = 50

Effectus [21]3 years ago
8 0

Answer:

D. 50

Step-by-step explanation:

These are supplementary angles which means the sum of both angles should be 180.

180 - 130 = 50

Therefore, the missing angle is 50

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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

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(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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1 year ago
I need a lot of help please! ):<br><br> If you don’t know please do not comment.
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7 0
3 years ago
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There are 8 dinner rolls in a package. How many packages will be needed so that 64 people can get 2 dinner rolls?
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Now we know that we need 16 packages so that we can feed 64 people 2 dinner rolls.

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