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SSSSS [86.1K]
3 years ago
10

The dimensions of a rectangle are given in

Mathematics
1 answer:
alexandr1967 [171]3 years ago
3 0

Option A and Option F

The expressions that represent the perimeter of rectangle are 4s + 1 and 2(2s + \frac{1}{2})

<em><u>Solution:</u></em>

From figure,

Length = s

Width = s + \frac{1}{2}

<em><u>The perimeter of rectangle is given as:</u></em>

perimeter = 2(length + width)

Substituting the values we get,

perimeter = 2(s + s + \frac{1}{2})\\\\perimeter = 2(2s + \frac{1}{2})

Thus option F is correct

On further simplification,

perimeter = 2(2s + \frac{1}{2})\\\\perimeter = 4s + 2(\frac{1}{2})\\\\perimeter = 4s + 1

Thus Option A is correct

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3 years ago
A large rectangular area is to be fenced off ( a large rectangle divided into 2 smaller rectangles). The fence used to divide th
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Answer:

Length of area is 857.14 ft

Width of area is 857.14 ft

Length of dividing fence is 857.14 ft

Step-by-step explanation:

Here we have

Area of rectangle = Length × Width

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Length of rectangle = Width of rectangle = x

Hence,  the perimeter of the area = 4·x, while the width of the dividing fence = x

Therefore, since the we have;

Cost of the perimeter fence = $15/foot

Cost of the dividing fence = $10/foot

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x = 60000/70 = 857.14 ft

Which gives the following dimensions;

Length of area = 857.14 ft

Width of area = 857.14 ft

Length of dividing fence = 857.14 ft.

3 0
3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
Some of the steps in the derivation of the quadratic formula are shown. Step 3: –c + b^2/4a=a(x^2+b/ax+b^2/4a^2 step4a: -c+b^2/4
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Answer:

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Step-by-step explanation:

Given some of the steps in the derivation of the quadratic formula below:

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Step 4b is derived from Step 4a by converting the left-hand side to a common denominator 4a.

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3 years ago
16. A toy car travels at a constant rate of 11 inches every
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Answer:

5

Step-by-step explanation:

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