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Lana71 [14]
3 years ago
8

Which geometric model using algebra tiles represents the factorization of x2 – 5x + 6?

Mathematics
2 answers:
Firlakuza [10]3 years ago
5 0
It has to be 28 because you have to sum it all together
dalvyx [7]3 years ago
3 0

Answer:

Step-by-step explanation:

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Help will mark brainliest
vlada-n [284]

Answer:

Step 1 : Plug values into the quadratic formula

x = -(-5) +/- √ (-5)^2 - (4)(2)(-3) / (2)(2)

Step 2 : Solve

x = 5 +/- √ 25 + 24 / 4

x = 5 +/- √ 49 / 4

x = 5 +/- 7 / 4

x1 = 5 - 7 / 4  AND x2 = 5 + 7 /4

x1 = -1/2 OR - 0.5    

x2 = 3

Hope this helps!!

8 0
4 years ago
According to the remainder theorem, what is one factor of the cubic expression x³+3x²+x-5?
Gnom [1K]

Answer:

x - 1

Step-by-step explanation:

To get one factor of the cubic expression x³+3x²+x-5 according to the remainder theorem we can say that

x³+3x²+x-5 = 0

Then we apply Ruffini's Rule and obtain

x³+3x²+x-5 = (x-1)(x²+4x+5)

where x = 1 is the only real root of the polynomial expression.

4 0
3 years ago
The plane is tiled by congruent squares of side length $a$ and congruent pentagons of side lengths $a$ and $\frac{a\sqrt{2}}{2}$
umka2103 [35]

The percentage of this plane that's enclosed by the pentagons is closest to: D. 56.

<h3>How to determine the percentage?</h3>

Since the side of the small square is a, then the area of the tile is

given by:

Area of tiles = 9a²

<u>Note:</u> With an area of 9a², 4a² is covered by squares while 5a² by pentagons.

This ultimately implies that, 5/9 of the tiles are covered by pentagons and this can be expressed as a percentage as follows:

Percent = 5/9 × 100

Percent = 0.555 × 100

Percent = 55.5 ≈ 56%.

Read more on area of square here: brainly.com/question/8902873

#SPJ1

Complete Question:

The plane is tiled by congruent squares of side length a and congruent pentagons of side lengths a and a²/a, as arranged in the diagram below. The percent of the plane that is enclosed by the pentagons is closest to (A) 50 (B) 52 (C) 54 (D) 56 (E) 58

3 0
2 years ago
Solve it please, √(4*4) + √(4*4) ASAP​
Brut [27]

Answer:

8

Step-by-step explanation:

sqrt4^2+sqrt4^2=4+4 the square root and power of 2 cancel out

6 0
3 years ago
Read 2 more answers
Biology application. The approximate number of calories C that an animal needs each day is given by
Reika [66]

Answer:

C = 288 kg

Step-by-step explanation:

Given:

C = 72m^2/4

where,

C = approximate number of calories

m = animal mass in kilograms.

Find C when m = 16

C = 72m^2/4

= 72 * (16)^2/4

= 72 * (16)^1/2

= 72 * √16

= 72 * 4

= 288

C = 288 kg

7 0
3 years ago
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