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2 years ago

If triangle ABC is reflected over the x-axis, reflected over the y-axis, and rotated 180 degrees, where will point B' lie?

Mathematics

2 answers:

prisoha [69]2 years ago

7 0

Answer: (-1,4)

Step-by-step explanation: The orginal point B is at (-1,4) if you reflect it over x it becomes (-1,-4). Take that and reflect it over why it equals (1,-4). 180 degree rotation means (x,y) becomes (-x,-y). (1,-4) rotated 180 degrees equals (-1, 4).

melamori03 [73]2 years ago

6 0

Answer:

I saw someone say it was (-1,4). I´m taking the test right now so imma submit the answer as (-1,4) then let you know if its right

Step-by-step explanation:

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3 years ago

Find the value of the power

julsineya [31]

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2 years ago

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3 years ago

What value of cc will complete the square below and make the expression a perfect square trinomial?

Sav [38]

Question: What value of c will complete the square below ( $x^{2} +30x+c$ ) and make the expression a perfect square trinomial?

Answer: c = 225

Step-by-step explanation:

Perfect square trinomials come in the form a² + 2ab + b², which is equal to (a + b)². In the presented trinomial, we can immediately identify that a = x, and b² = c, but we need to find the numerical value of $c$ .

To do this, note that the middle term, or 2ab, corresponds with (is equal to) 30x. We know that a = x, and thus, 2ab = 2bx. Now, 2bx and 30x are corresponding terms; thus, 2bx = 30x.

Dividing by $2x$ on both sides gives us b = 15. Therefore, c = b² = 15² = 225. (As a squared binomial, this would be (x + 15)² as a = x and b = 15.)

4 0

1 year ago

Worth 14 points please help I need a expert

lesantik [10]

Answer:

x=13

Step-by-step explanation:

we can guess that the three angles are a linear pair and equal 180

in this case we can start writing a equation

x+105+62=180

now we can subtract both whole numbers from 180 but that takes longer, so we will combine the whole numbers on the left side.

x+167=180

now we can go ahead and subtract 167 from both sides. by doing so, it isolates the x and gives you your answer

180-167=13

so... x=13

4 0

3 years ago