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3 years ago

What is the least amount of fabric needed to make the tent?

Mathematics

2 answers:

kvasek [131]3 years ago

6 0

The least amount is 136 feet

inysia [295]3 years ago

4 0

Answer:

Step-by-step explanation:

Alright , lets get started.

When we see the tent, we see are are 5 faces of this tent.

Two faces are triangular.

Two faces are rectangular.

And one base is also rectangular.

Area of one triangle = $\frac{1}{2}*base*height=\frac{1}{2}*6*4=12$

So the area of two triangles = $2*12=24$

Now, area of one rectangular face = $7*5=35$

So, area of both rectangular faces = $2*35=70$

Area of rectangular base = $7*6=42$

Total area = $24+70+42 = 136$

So the amount of fabric needed to make tent is 136 square feet. : Answer

Hope it will help :)

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A rectangular swimming pool is twice as long as it is wide. A small concrete sidewalk surrounds the pool and is a constant 2 fee

Naddika [18.5K]

Answer:

The dimensions of the pool are:

Width: 8.944 feet

Length: 17.888 feet

Step-by-step explanation:

From Geometry, the area of a rectangle ( $A$ ), measured in square feet, is determined by the following equations:

$A = w\cdot l$ (1)

Where:

$w$ - Width, measured in feet.

$l$ - Length, measured in feet.

If we know that $w = x$ , $l = 2\cdot x$ and $A = 160\,ft^{2}$ , then we get the following second order polynomial:

$2\cdot x^{2}-160 = 0$ (1)

And we solve the expression for $x$ :

$2\cdot x^{2} = 160$

$x^{2} = 80$

$x = \sqrt{80}\,ft$

$x \approx 8.944\,ft$

Then, the dimensions of the pool are, respectively:

$w \approx 8.944\,ft$ and $l \approx 17.888\,ft$

5 0

2 years ago

What is the graph of the linear function that is represented by the equation y= 1/2x-2

kondor19780726 [428]

Answer:

See picture attached.

Step-by-step explanation:

Start with the y-intercept of -2 and plot that on the graph. Then, use the slope of 1/2x to plot more points to help you draw the line. Remember rise over run. Go up one from the y-intercept and right two. If you need to, you can also go down one and left two.

Hope this makes sense.