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1 year ago

The area of a window measures 336 Square inches. If the window is 16 inches wide. How long is the window?

Mathematics

1 answer:

adoni [48]1 year ago

4 0

The window has a length of 21 inches

<h3>How to determine the length of the window?</h3>

From the question, we have the following parameters

Area of the window = 336 square inches

Width of the window = 16 inches

The area of the window is the product of its dimensions

So, we have

Area = Width of the window x Length of the window

Substitute the known values in the above equation

So, we have the following equation

336 = 16 * Length

Divide both sides by 16

Length = 21

Hence, the length is 21 inches

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iogann1982 [59]

Answer:

x₁ = -1

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Step-by-step explanation:

The equations of the given linear system are:

$3x_1 +6x_2=2\\9x_1 +12x_2 = 1$

Multiply the first equation by -2 and add it to the second one to solve for x₁:

$-6x_1 -12x_2=-4\\9x_1 +12x_2 +(-6x_1 -12x_2)= 1-4\\3x_1=-3\\x_1=-1$

Since we already know the value of x₁, simply replace it in the first equation to solve for x₂:

$3x_1 +6x_2=2\\x_2=\frac{2+3}{6} =\frac{5}{6}$

The solution for the system is x₁ = -1 and x₂ = 5/6

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3 years ago

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3 years ago

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Working backwards to find angle bca, we use the inverse tangent function:

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Answer:

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So interest on £9600 = 9600*8*3/ 100

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