This one as well please

Mathematics

1 answer:

Ipatiy [6.2K]4 years ago

4 0

Okay so, your answer should be 10. I wrote out each step but my handwriting is bad. let me know if I need to redo it for you!

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Someone helpplz (I'm stressed don't try to get fxree points please)

Sav [38]

here ya go!!! I hope this helps <3

4 0

3 years ago

Select the correct answer. What is the area of the triangle in the diagram? A. B. C. D. Reset Next Previous5 Next Using Coordina

Komok [63]

The area of the triangle can be calculated using the distance formula if the coordinates are given.

<h3>What is the triangle?</h3>

The triangle can be defined as a three-sided polygon in geometry, and it consists of three vertices and three edges. The sum of all the angles inside the triangle is 180°.

We have a triangle with coordinates on the coordinate plane.

It is required to find the area of the triangle using the coordinate points.

Here the coordinates are not given, so we are assuming the coordinates are (x1, y1), (x2, y2), (0,0)

From the distance formula:

The distance(b) between (0, 0) and (x1, y1):

$\rm b = \sqrt{(x_1-0)^2+(y_1-0)^2} \Rightarrow \sqrt{x_1^2+y_1^2}$

The distance between (0, 0) and (x2, y2):

$\rm h = \sqrt{(x_2-0)^2+(y_2-0)^2} \Rightarrow \sqrt{x_2^2+y_2^2}$

So the area of the triangle:

A = bh/2

$\rm A = \dfrac{1}{2}\times \sqrt{x_1^2+y_1^2} \times \sqrt{x_2^2+y_2^2}$

$\rm A = \dfrac{1}{2} \sqrt{(x_1^2+y_1^2) (x_2^2+y_2^2)}$

Thus, the area of the triangle can be calculated using the distance formula if the coordinates are given.

Learn more about the triangle here:

brainly.com/question/25813512

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6 0

2 years ago

and United States Lowe's sells particular carpet for $4.88 per square foot in the United Kingdom carpetright sells assembler car

Alisiya [41]

The carpet of United Kingdom carpet-right is cheaper by 3.33 dollars/ft²

<u><em>Explanation</em></u>

Price of the carpet in United States Lowe's is 4.88 dollars/ft²

Price of the carpet in United Kingdom carpet-right is 12.99 pound sterling/m²

1 pound sterling = 1.28 US dollars and 1 meter = 3.28 ft . So....

12.99 pound sterling/ m²

$=\frac{(12.99) pound sterling}{(1 meter)^2}\\ \\ = \frac{(12.99*1.28)dollars}{(3.28 ft)^2} =\frac{16.6272 dollar}{10.7584 ft^2}= 1.55 dollar/ft^2$

<u>As the unit price of the carpet per square feet in United Kingdom carpet-right is less than United States Lowe's</u>, so the carpet of United Kingdom carpet-right is cheaper by $(4.88-1.55)dollar/ft^2 = 3.33 dollar/ft^2$