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mel-nik [20]
3 years ago
14

4x^2-12x-1=0 in quadratic form

Mathematics
1 answer:
Tom [10]3 years ago
8 0

Answer:

Step-by-step explanation:

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Which model represents the factors of 4x^2-9
dsp73

The model (x+a)(x-a) will represents the factors of 4x²-9 as (2x+3)(2x-3).

<h3>What are the quadratic equations in one variable completing the squares method?</h3>

The "completing the squares" method aims to construct a quadratic equation of the form where the x variable is entirely covered by a single squared term, which is the square of a linear expression in x, as the name suggests.

The quadratic equation can resemble this:

x²-a² = (x+a)(x-a)

Given equation;

⇒4x²-9

⇒(2x)²-3²

The equation can be modeled as;

(2x+3)(2x-3)

Hence the model (x+a)(x-b) will represents the factors of 4x²-9 as (2x+3)(2x-3).

To learn more about completing the squares method refer to:

brainly.com/question/16800259

#SPJ1

8 0
2 years ago
Yo, It's Michael Stallins this is my third account also, would you donate $ If I read an entire dictionary on stream?
hichkok12 [17]

Answer:

Yo and no

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the area. The figure is not drawn to scale.
Ahat [919]

A = 1/2 b h where b = 3.4 cm and h = 8 cm

A = 1/2 (3.4)(8)

A = 13.6 cm^2

Answer: 13.6 cm^2

7 0
3 years ago
Read 2 more answers
One warehouse had 185 tons of coal, another one had 237 tons. The first warehouse delivered 15 tons of coal to its clients daily
lianna [129]

Answer:

In 9 days will the second warehouse have 1.5 times more coal than the first one

Step-by-step explanation:

The coal left in warehouses after x days can be found using the equation:

  • first warehouse: 185 - 15x
  • second warehouse= 237-18x

Let the second warehouse have 1.5 times more coal than the first one after n days then  

  1. 1.5 ×(185 - 15n)=237-18n  which gives:
  2. 277,5-22,5n=237-18n and
  3. 40,5=4,5n
  4. 9=n

7 0
3 years ago
Find the perimeter of the figure. ( Its a square, and one side says 20 ft while another says 18ft. I am confused. )
Luba_88 [7]
It might look like a square but it might actually be a  rectangle but the answer is 76ft
3 0
3 years ago
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