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RUDIKE [14]
3 years ago
8

I need help with this please

Mathematics
1 answer:
earnstyle [38]3 years ago
5 0

Answer:

<h2>=9-12+12</h2>

Step-by-step explanation:

<h2>=n²- 4n + 12</h2><h2>=(3)²- 4(3) + 12</h2><h2>=9-12+12</h2>

I don't know if it's correct

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Help fast! If you answer right ill give best khan academy
deff fn [24]

Answer:

17 I think it's 17 considering the 45 went to 35

3 0
3 years ago
PLEASE HELP, IF YOU CAN DO THIS, LOOK AT MY QUESTIONS LATER. THANKS ☆*: .。. o(≧▽≦)o .。.:*☆
natali 33 [55]
1/n^2 and n^-2 are the same, and 16 and 1/16 definitely aren’t the same 4^-2 is just -4 * -4, and because negative * negative = positive, that adds up to being 16.

The answer is 1/16.
7 0
4 years ago
Read 2 more answers
Which set of numbers is infinite?
Setler [38]
B is the answer to your question
3 0
3 years ago
21 7/8 - 8 5/12<br><br><br> Help
Vlada [557]
21 and 7/8-8 and 5/12
remember that 21 and 7/8=21+7/8 and 8 and 5/12=8+5/12 so

21+7/8-(8+5/12)
21+7/8-8-5/12
21-8+7/8-5/12
13+7/8-5/12

so 7/8 and 5/12
make bottom number the same
multiply 7/8 by 12/12 and multiply 5/12 by 8/8
7/8-5/12=84/96-40/96=(84-40)/96=44/96=11/24
so the answer is
13 and 11/24
7 0
3 years ago
Kylie explained that (negative 4 x 9) squared will result in a difference of squares because (negative 4 x 9) squared = (negativ
JulijaS [17]

A perfect square trinomial is the result in algebraic form which is obtained by solving the squared binomial expression. Kylie did not understand that this is a perfect square trinomial and she did not determine the product correctly. Thus the option C is the correct option.

Given information-

The expression for the given problem is,

(-4x+9)^2

<h3>Perfect square trinomial</h3>

A perfect square trinomial is the result in algebraic form which is obtained by solving the squared binomial expression.

The perfect square trinomial can be given as,

ax^2+bx+c

The given expression can be solved as,

(-4x+9)^2=(-4x+9)\times(-4x+9)\\(-4x+9)^2=-4x(-4x+9)+9(-4x+9)\\(-4x+9)^2=16x^2-36x-36x+81\\(-4x+9)^2=16x^2-72x+81

Hence Kylie did not understand that this is a perfect square trinomial and she did not determine the product correctly. Thus the option C is the correct option.

Learn more about the perfect square trinomial here;

brainly.com/question/88561

3 0
3 years ago
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