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kolbaska11 [484]
3 years ago
7

Leonora is factoring a trinomial. The factors of the trinomial are shown on the model. Which trinomial did she factor? x2 + 4x –

12 x2 + 2x – 6 x2 – 8x – 6 x2 – 4x – 12

Mathematics
2 answers:
max2010maxim [7]3 years ago
5 0

The correct answer is x2 – 4x – 12

Valentin [98]3 years ago
4 0

Answer:

x² – 4x – 12

Step-by-step explanation:

We can see in the vertical edge of the model that one factor is (x+2).  In the horizontal edge of the model, the other factor is (x-6).

Multiplying the two factors, the trinomial is

(x+2)(x-6) = x(x)-6(x)+2(x)+2(-6) = x²-6x+2x-12

Combining like terms, we have

x²-4x-12

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RIGHT ANSWER WILL BE BRAINLIEST!!
Juli2301 [7.4K]

Answer:

D. –20x + 48

Step-by-step explanation:

–4(5x – 12)

= (-4) (5x) - (-4)(12)

= -20x - (-48)

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4 0
3 years ago
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Sidana [21]

Answer:

The correct answer is option 3.

Step-by-step explanation:

Given : ΔPQR, QM is altitude of the triangle

PM  = 8

MR = 18

To find = QM

Solution :

PR = 8 + 18  = 26

Let, PQ = x  , QR = y, QM = z

Applying Pythagoras Theorem in ΔPQR

PQ^2+QR^2=PR^2

x^2+y^2=(26)^2..[1]

Applying Pythagoras Theorem in ΔPQM

PM^2+QM^2=PQ^2

8^2+z^2=(x)^2..[2]

Applying Pythagoras Theorem in ΔQMR

MR^2+QM^2=QR^2

18^2+z^2=(y)^2..[3]

Putting values of x^2 and y^2 from [2] and [3 in [1].

8^2+z^2+18^2+z^2=(26)^2

2z^2=(26)^2-(8)^2-(18)^2

2z^2=288

z^2=144

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z = 12 = QM ( ignoring negative value)

The length of QM is 12.

6 0
3 years ago
At a restaurant, 5 of every 12 customers had a salad with their meal.
AnnZ [28]
Since there is no info on how many salads were sold all together it would have to be 12. That is all the info you could give us..sorry if that doesnt help :(
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Answer: Yes

Step-by-step explanation:

Example : 4 x 2 = 8

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