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3 years ago

Help me pls ! if you do l give you the brainiest

Mathematics

2 answers:

kondor19780726 [428]3 years ago

7 0

The two expressions in answer A are equivalent with each other.

Zina [86]3 years ago

5 0

The first answer is correct because the terms are alike in both expressions

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Conner and Jana are multiplying (3^5 6^8)(3^9 6^10)

LekaFEV [45]

Answer:

None of them are correct. They only thought of combining like terms, which isn't the case.

Step-by-step explanation:

(3^5 6^8)(3^9 6^10) =

(3^5+9) + (3^5 6^10) + (6^8 3^9) + (6^8+10) =

3^14 + (3^5 6^10) + (6^8 3^9) + 6^18

8 0

3 years ago

What is the base representation of the number 219

andrezito [222]

The base representation is 200, because it’s the base number

Hope this helps:)

4 0

3 years ago

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EL PERIMETRO DELCUADRADO X ES DOS TERCIOS DEL PERIMETRO DEL CUADRADO Y. EL UCADRADO Y ES DOS TERCIOS DEL PERIMETRO DEL CUADRADO

Keith_Richards [23]

the question in English is

THE SQUARE PERIMETER X IS TWO THIRDS OF THE SQUARE PERIMETER Y. THE PERIMETER OF THE SQUARE Y IS TWO THIRDS OF THE PERIMETER OF THE SQUARE Z. THE AREA OF THE SQUARE X IS 16 CM2 WHAT IS THE AREA OF THE SQUARE Z?

Let

Px--------> the perimeter of square x

Py--------> the perimeter of square y

Pz--------> the perimeter of square z

Ax--------> the area of square x

Az--------> the area of square z

Step 1

Find the length side of the square x

we know that

$Px=\frac{2}{3} Py$ -------> equation A

$Py=\frac{2}{3} Pz$ -------> equation B

$Ax=16\ cm^{2}$

$Ax=x^{2}$

$x^{2}=16$

$x=4\ cm$

Step 2

Find the perimeter of square x

$Px=4x$

substitute the value of x in the formula

$Px=4*4=16\ cm$

Step 3

Find the perimeter of square y

use the equation A

$Px=\frac{2}{3} Py$

solve for Py

$Py=\frac{3}{2} Px$

substitute the value of Px

$Py=\frac{3}{2}16=24\ cm$

Step 4

Find the perimeter of square z

use the equation B

$Py=\frac{2}{3} Pz$

solve for Pz

$Pz=\frac{3}{2} Py$

substitute the value of Py

$Pz=\frac{3}{2} 24=36\ cm$

Step 5

Find the area of square z

we know that

the area of the square z is equal to

$Az=z^{2}$

Find the length side of square z

$Pz=4z$

$Pz=36\ cm$

$4z=36$

$z=9\ cm$

substitute the value of z in the area's formula

$Az=9^{2}=81\ cm^{2}$

therefore

the answer is

the area of the square z is $81\ cm^{2}$

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3 years ago

The 2100-mile flight took 3 hours.

Lorico [155]

Answer:

Step-by-step explanation:

The average speed of the flights mph was 700 because if you divide 2100/3 you get 700

4 0

3 years ago

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What is 5+5+5+5+5+5x6x10x20x100x1x0x5x1x0

andreyandreev [35.5K]

The answer to the problem is 25

6 0

3 years ago

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