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RUDIKE [14]
3 years ago
6

The length of the rectangle is 5 inches more than twice the length of the side of the square

Mathematics
1 answer:
crimeas [40]3 years ago
3 0

Answer:

The length of Rectangle is (5 + 2 s) inches and                                           width of rectangle is  \dfrac{s^{2} }{5 + 2 s} inches  .

Step-by-step explanation:

Given as :

The length of the rectangle is 5 inches more than twice the length of the side of the square

The area of Rectangle = The area of square

Let the side of the square = s inches

So, The Area of square = side × side

I.e The Area of square = s × s = s²  inches²

Again

Let The length of rectangle = L inches

And The width of rectangle = w inches

So, The Area of Rectangle = ( L × w ) inches²

So, <u>According to question</u>

The length of rectangle = 5 inches + twice length of square side

I.e L = ( 5 + 2 s ) inches

<u>∵ Both The area same</u>

So, L× w = s²

Or, w = \dfrac{s^{2} }{L}

or,  w = \dfrac{s^{2} }{5 + 2 s} inches

So, The measure of length of Rectangle = L = (5 + 2 s) inches and width of rectangle = w = \dfrac{s^{2} }{5 + 2 s} inches

Hence, The measure of length of Rectangle is (5 + 2 s) inches and width of rectangle is  \dfrac{s^{2} }{5 + 2 s} inches  . Answer

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Mary wants to hang a mirror in her room. the mirror and frame must have an area of 7 square feet. the mirror is 2 feet wide and
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The quadratic equation use to determine the thickness of the frame, x is 4x² + 10x - 1 = 0.

The correct option is D.

<h3>What is a quadratic equation ?</h3>

A quadratic equation is an algebraic equation of the second degree in x.. The quadratic equation is written as ax2 + bx + c = 0, where x is the variable, a and b are the coefficients, and c is the constant term.

<h3>According to the given information:</h3>

Total area  = 7 square feet

and,

Total area = Length x Width

So,

7 = (2x + 3)(2x + 2)

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The quadratic equation use to determine the thickness of the frame, x is 4x² + 10x - 1 = 0.

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brainly.com/question/1863222

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I understand that the question you are looking for is:

Mary wants to hang a mirror in her room. the mirror and frame must have an area of 7 square feet. The mirror is 2 feet wide and 3 feet long.  Square with an inner frame with height of 2 ft on the left frame and width of 3 ft on the top. Arrow on the bottom frame with an x and an arrow on the right frame with an x. Which quadratic equation can be used to determine the thickness of the frame, x?

A. x² + 14x - 2 = 0

B. 2x² + 10x - 7 = 0

C. 3x² + 12x - 7 = 0

D. 4x² + 10x - 1 = 0

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