3 years ago

Please see picture below, it has the question

Mathematics

2 answers:

alexandr402 [8]3 years ago

7 0

Answer:

im pretty sure its b

Step-by-step explanation:

Galina-37 [17]3 years ago

5 0

Answer:

the qmswrt would be b

Step-by-step explanation:

I thijk

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(Free points)<br><br>Factorise x³ + 216y³ + 8z³ - 36xyz

Nadusha1986 [10]

Answer:

[x+6y+2z][x²+(6y)²+(2z)²-6xy-12yz-2xz]

Step-by-step explanation:

x³+216y³+8z³-36xyz

x³+(6y)³+(2z)³-3×6×2×xyz

As we know

a³+b³+c³-3abc=(a+b+c)(a²+b²+c²-ab-bc-ca)

Let a=x

b=6y

c=2z

Now.

[x+6y+2z][(x²+(6y)²+(2z)²-x×6y-6y×2z-x×2z]

[x+6y+2z][x²+(6y)²+(2z)²-6xy-12yz-2xz]

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3 years ago

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WhAt is 3.242424 as a mixed number

Dmitry [639]

Answer:

3 30303/125000

Step-by-step explanation:

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3 years ago

Two congruent 30-60-90 triangles are placed,as shown,so that they overlap partly and their hypotenuses coincide. If the hypotenu

Ede4ka [16]

Answer: The area common to both triangle is 31.77 sq. cm.

Step-by-step explanation:

Since we have given that

30-60-90 triangles are placed.

So, the ratio of sides would be

$1:\sqrt{3}:2$

Since Hypotenuse = 12 cm

So, it becomes,

$2x=12\\\\x=\dfrac{12}{2}=6$

So, Base would be

$x=6\ cm$

and Perpendicular would be

$\sqrt{3}x=6\sqrt{3}$

So, Area common to the both triangles would be

$\dfrac{1}{2}\times base\times height\\\\=\dfrac{1}{2}\times 6\times 6\sqrt{3}\\\\=18\sqrt{3}\\\\=31.177$

Hence, the area common to both triangle is 31.77 sq. cm.

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3 years ago

Which best proves why The expressions 4(x+3)+2x and 6(x+2) must be equivalent expressions

ELEN [110]

When they're all distributed and simplified they both equal 6x+12

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3 years ago

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anastassius [24]

The answer is to what is 5/2 divided by 1/4 is 10

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3 years ago