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I am Lyosha [343]
4 years ago
15

Four students are verifying that

Mathematics
2 answers:
padilas [110]4 years ago
7 0

Answer:

Option D is correct.

Step-by-step explanation:

We have been given:

x^2+x-12

x^2+4x-3x-12

x(x+4)-3(x+4)

(x-3)(x+4)

Hence, the zeroes are: -4 and 3

4(-3)=-12

And -3+4=1

Hence, Latisha is correct.

Therefore, Option D is correct.

9966 [12]4 years ago
5 0
I am gonna have to go with Latisha's answer.

(x - 3)(x + 4) = x^2 + 4x - 3x - 12 = x^2 + x - 12.......and 4(-3) = -12, -3 + 4 = 1....and the factors are correct


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3 years ago
LM = 9, NR = 16, SR = 8. Find the perimeter of triangle LRN.
sweet [91]
<h2>D. 50 units</h2>

Hi, I’m Lena and I will be answering your question to the best of my ability. If you have any further questions after my answer, do not hesitate to ask me! ツ

♡ Let’s look at the main important thing(s) that will lead you in the correct path.

♥ The perimeter is the outside, it is <em>around</em> the figure. When you see those inner triangles, do not pay attention to them! They are just there to make your overthink the question.

♡ Let's solve!

♥ To begin, let's take LM. It already gives you half the segment, so all you need to do is double the number. 9*2=18.

♥ Now, let's take a look at NR. They already give you the segment as a whole, so you do not need to worry about it!

♥ Look at SR. You do the same thing as you did to LM, double the number. 8*2=16.

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18+16+16=50.

3 0
3 years ago
A cube has a length of 8 in. What is the width and the height of the cube?​
Triss [41]

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7 0
3 years ago
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PLEASE HELP ME!!!
Anna007 [38]

Answer:

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