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r-ruslan [8.4K]
3 years ago
11

Help asap plz i only got 10 mins per question

Mathematics
1 answer:
masha68 [24]3 years ago
8 0
I hope this helps you

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Kylie explained that (negative 4 x + 9) squared will result in a difference of squares because (negative 4 x + 9) squared = (neg
Eva8 [605]

Given:

The given expression is:

(-4x+9)^2

According to Kylie,

(-4x+9)^2=(-4x)^2+(9)^2

(-4x+9)^2=16x^2+81

To find:

The correct statement for Kylie's explanation.

Solution:

We have,

(-4x+9)^2

According to the perfect square trinomial (a+b)^2=a^2+2ab+b^2.

(-4x+9)^2=(-4x)^2+2(-4x)(9)+(9)^2

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

Kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly.

Therefore, the correct option is C.

4 0
3 years ago
Read 2 more answers
Jane is making a suit which requires 2 5/8yards for the jacket and 13/4 yards for the skirt.
Lemur [1.5K]
I honestly dont know what to solve?
5 0
3 years ago
If p(x) = x2 – 1 and q(x) = 5(x-1) which expression is equivalent to (p – q)(x)?
lilavasa [31]

Answer:

Option C is correct.

The expression which is equivalent to (p-q)(x)  is, x^2 -1 - 5(x-1)

Step-by-step explanation:

Given: p(x) = x^2 -1 and q(x) = 5(x-1)

To find the expression which is equivalent to (p-q)(x):

here p and q both are function assuming;

we can write the expression :

(p-q)(x) = p(x) - q(x) = x^2 -1 - 5(x-1)

therefore, the expression which is equivalent to (p-q)(x)  is;   x^2 -1 - 5(x-1)

3 0
4 years ago
Read 2 more answers
What polynomial should be added to 4x²+5x-8 in order to equal 0?
Klio2033 [76]
4x^2 + 5x - 8 + (- 4x^2 - 5x + 8) = 0

all ur doing is changing the signs so they will cancel each other out.

so ur adding : -4x^2 - 5x + 8
8 0
3 years ago
when you went to bed the temperature was -5.5 it fell 3.4 degrees overnight what is the temperature now
marin [14]

Answer:

-2.1

Step-by-step explanation:

3.4 minus -5.5

6 0
4 years ago
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