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Viktor [21]
3 years ago
8

Which proportion is correct?

Mathematics
1 answer:
Sonja [21]3 years ago
5 0

Answer:

<h3><em>C. 4/5 = 20/25</em></h3>

Step-by-step explanation:

<u>if we divide 20 and 25 by 5 then we get 4/5.</u>

<em>hope it's help you....</em>

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The length of a rectangle is the width minus 3 units. The area of the rectangle is 40 units. What is the width, in units, of the
Eva8 [605]

The width of rectangle is 8 units.

Step-by-step explanation:

Given,

Area of rectangle = 40 units

Width = w

Length = w-3

Area = Length * Width

40=(w-3)*w\\40=w^2-3w\\w^2-3w=40\\w^2-3w-40=0

Factorizing the equation

w^2-8w+5w-40=0\\w(w-8)+5(w-8)=0\\(w-8)(w+5)=0

Either,

w-8=0         => w=8

Or,

w+5=0        =>w= -5

As width cannot be negative, therefore

Width of rectangle = 8 units

The width of rectangle is 8 units.

Keywords: area, rectangle

Learn more about rectangles at:

  • brainly.com/question/10538663
  • brainly.com/question/10557275

#LearnwithBrainly

6 0
3 years ago
How do I solve 4cos^2 x -1=0
tekilochka [14]
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cosx = -1/2 => x = +2π/3 + 2kπ, where k is an integer or x = -2π/3 + 2kπ, where k is an integer;
5 0
3 years ago
Read 2 more answers
Anyone it is almost due help
tatuchka [14]

Answer: I not super sure, but I think you are supposed to put the equations on each side of the table. Your end result should be 2x to the second -5x-3.

Step-by-step explanation:

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2.9 rounded to nearest hundredth
worty [1.4K]

Answer:

The answer would be 2.9

Step-by-step explanation:

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