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3 years ago

6

after 4 new students joined a class,the class had 32 students.Which equation can be used to find n,the number of students in the

class before the 4 new students joined

1 answer:

OLEGan [10]3 years ago

7 0

Answer....
The answer is

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uysha [10]

Answer:

support: 25%*100 > 10%*50

refute: 25%*50 < 10%*200

Step-by-step explanation:

0.25*100=25 > 0.10*50=5

0.25*50=12.5 < 0.10*200=20

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3 years ago

Simplify the expression so there is only one positive power for each base 2.7^-3 * 3.8^2 *2.7^4 * 3.8^3

Firdavs [7]

$2.7^{-3}\cdot3.8^2\cdot2.7^4\cdot3.8^3\\\\=(2.7^{-3}\cdot2.7^4)\cdot(3.8^2\cdot3.8^3)\qquad|\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=2.7^{-3+4}\cdot3.8^{2+3}\\\\=2.7^1\cdot3.8^5$

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3 years ago

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LekaFEV [45]

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4 years ago