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cestrela7 [59]
3 years ago
12

*The rectangle to the left is divided into 12 shapes. One of them is a rectangle labeled with #1 and the remaining 11 shapes are

squares. The length of the side of each one of the shaded squares is 1 ft. Find the area of the given rectangle.

Mathematics
1 answer:
Mandarinka [93]3 years ago
6 0

Given that the length of side of shaded area is 1 ft.

Making equal square of size of shaded area we have:

Horizontally number of shaded area are 12

Vertically number of shaded area are 11

So, the horizontal length of big rectangle is 12 ft.

The vertical length of big rectangle is 11 ft.

Area of big rectangle is 12*11

Area of given rectangle is 132 sq.ft.

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7 0
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1. What values of a, b, and c would you use in the quadratic formula for the following equation?
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Question (1):
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Question (2):
The given expression is:
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This means that:
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Substituting in this formula with the given a, b and c, we would find that the correct choice is third one (I have attached the correct choice)

Question (3):
Quadratic formula (the one used in the previous question, also shown in attached images) is the best method to get the solution of any quadratic equation. This is because, putting the equation in standard form, we can simply get the values of a, b and c, substitute in the formula and get the precise solutions of the equation.

Hope this helps :)

8 0
3 years ago
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Nataly [62]
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3 0
3 years ago
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8 0
3 years ago
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