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2 years ago

Will pick Brainliest ONLY if correct answer!

Mathematics

2 answers:

yawa3891 [41]2 years ago

6 0

Answer:

x^4

Step-by-step explanation:

elena-14-01-66 [18.8K]2 years ago

4 0

Answer:

$x {}^{4}$

Step-by-step explanation:

here's your solution :-

=》

$\frac{(x {}^{3}) {}^{4} }{x {}^{8} }$

=》

$\frac{x {}^{12} }{x {}^{8} }$

=》

$x {}^{4}$

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Agata [3.3K]

Answer: 20 meters.

Step-by-step explanation:

The formula for calculate the area of a square is:

$A=s^2$

Where "s" is the side length of the square:

The formula for calculate the area of a rectangle is:

$A=lw$

Where "l" is the lenght and "w" is the width.

Based on the information provided, you know the sum of the areas of the square land and the adjacent land is 600 m². This is:

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Knowing that the width of the adjacent land is 10 meters:

$s^2+10l=600$

Since the lenght of the adjacent land and the side lenght of his actual land are equal:

$l=s$

You can substitute this into $s^2+10l=600$ :

$s^2+10s=600\\\\s^2+10s-600=0$

Applying the Quadratic formula, you get:

$s=\frac{-b\±\sqrt{b^2-4ac} }{2a}\\\\s=\frac{-10\±\sqrt{(10)^2-4(1)(-600)} }{2(1)}\\\\s_1=20\\\\s_2=-30$

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2 years ago

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Step-by-step explanation:

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Don't guess!

Alisiya [41]

Answer:

I believe the answer is B.

Step-by-step explanation:

The questions says for every 1 hour she reads a book, she reads 0.25 hours with a magazine. Answer B says 2 hours for book, meaning that you wouldn’t have 0.25, you would have 0.5. So for books, you’d go up every 2 hours, and for magazines, you’d continue going up in half’s!

im sorry if this is wrong, but I hope that helped if it’s correct!

(also sorry if the explanation didn’t make any sense)

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