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kipiarov [429]
2 years ago
10

Whoever answers my question will get a brainliest.

Mathematics
1 answer:
Maurinko [17]2 years ago
4 0

Answer:

see explanation

Step-by-step explanation:

Calculate the distance d using the distance formula

d = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with (x₁, y₁ ) = ((- 2, - 3 ) and (x₂, y₂ ) = (x, 5x + 9 )

d = \sqrt{(x-(-2))^2+(5x+9-(-3))^2}

   = \sqrt{(x+2)^2+(5x+9+3)^2}

   = \sqrt{(x+2)^2+(5x+12)^2}

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The area of the following equilateral triangle is 62.4 square feet that is he height
Vikentia [17]

The height of this triangle would be 10.4

In order to find this, you first must find the length of the sides. Using a manipulated formula for area of an equilateral triangle, we can determine the lengths of the side. Below if the formula.

S = \frac{2}{3}3^{\frac{3}{4}} \sqrt{A}

In this, S is the length of the side and A is the area. So we plug in and get:

S = \frac{2}{3}3^{\frac{3}{4}} \sqrt{62.4}

S = \frac{2}{3}3^{\frac{3}{4}} 7.89

S = 12

Now that we have the side as 12, we can use the Pythagorean Theorem to find the height. If you split a equilateral triangle down the middle, you are left with two right triangles. Using this right triangle, the hypotenuse would be 12, the first leg would be 6 (half of the base) and the height would be the other leg. So we plug in and solve.

a^{2} + b^{2} = c^{2}

6^{2} + h^{2} = 12^{2}

36 + h^{2} = 144

h^{2} = 108

h = 10.4

5 0
2 years ago
Please help no idea how to start it <br> The radius is 2.5 m
Talja [164]

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3 years ago
How many radians are there in 1 degree?
sweet-ann [11.9K]

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Step-by-step explanation:

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6 0
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The answers to the questions

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2 years ago
A class had 11 boys and 9 girls in it. What percent of the class are boys?
scZoUnD [109]

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6 0
3 years ago
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