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babymother [125]
2 years ago
5

A clothing store has a rectangular clearance section with a length that is twice the width w. During a sale, the section is expa

nded to an area of (2w^2 + 11w + 12) ft^2. Find the amount of the increase in the length and width of the clearance section.
Mathematics
1 answer:
frosja888 [35]2 years ago
5 0

Answer:

see the explanation

Step-by-step explanation:

step 1

The original area of the rectangular clearance section is equal to

A=LW ----> equation A

we know that

The length is twice the width

L=2W ----> equation B

substitute equation B in equation A

A=(2W)W

A=2W^2\ ft^2

step 2

During a sale, the section is expanded to an area of

A=(2W^2+11W+12)\ ft^2

so

To find out the amount of the increase in the length and width of the clearance section, subtract the areas

(2W^2+11W+12)\ ft^2-2W^2\ ft^2=(11W+12)\ ft^2

therefore

The amount of the increased area is (11W+12)\ ft^2

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Answer:

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meriva
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3 years ago
In the 30-60-90 triangle below, side s has a length of _ and side q has a length of _.
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Step-by-step explanation:

For a 30-60-90 triangle, we know that the hypotenuse is 2x. Since we know the hypotenuse is 10, we can solve for x.

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3 years ago
Match the vocabulary word to its correct definition.
Trava [24]

Answer:

1. Complex number.

2. Imaginary part of a complex number.

3. Real part of a complex number.

4. i

5. Multiplicative inverse.

6. Imaginary number.

7. Complex conjugate.

Step-by-step explanation:

1. <u><em>Complex number:</em></u> is the sum of a real number and an imaginary number: a + bi, where a is a real number and b is the imaginary part.

2. <u><em>Imaginary part of a complex number</em></u>: the part of a complex that is multiplied by i; so, the imaginary part of the complex number a + bi is b; the imaginary part of a complex number is a real number.

3. <em><u>Real part of a complex number</u></em>: the part of a complex that is not multiplied by i. So, the real part of the complex number a + bi is a; the real part of a complex number is a real number.

4. <u><em>i:</em></u> a number defined with the property that 12 = -1.

5. <em><u>Multiplicative inverse</u></em>: the inverse of a complex number a + bi is a complex number c + di such that the product of these two numbers equals 1.

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