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Veronika [31]
2 years ago
9

Select the correct answer.

Mathematics
1 answer:
jenyasd209 [6]2 years ago
4 0

Answer:

I think it is B it is my guss

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{75-[(15 entre 3)x(2x5)+2]}-2<br> How
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Step-by-step explanation:

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A. hundreds

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A. x-4=0<br> b. x+4=0<br> c. y-4=0<br> d. y+4=0
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2 years ago
The length of a rectangle is 4 units less than the width. The area of the rectangle is 21 units. What is the length, in units, o
bazaltina [42]

The formula of an area of a rectangle:

A = wl

We have l = w - 4 and A = 21.

Substitute:

w(w - 4) = 21       <em>use distributive property</em>

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w² - 4w - 21 = 0

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l = w - 4 → l = 7 - 4 = 3

<h3>Answer: the length = 3 u.</h3>
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2 years ago
7 is subtracted from 7 times a number
PolarNik [594]

Answer:

(7x) - 7

Hope this helps!

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