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weeeeeb [17]
3 years ago
13

Simplify the following expression (x-8y)-(2x-4y)

Mathematics
2 answers:
Kipish [7]3 years ago
5 0

Answer:

-x - 12y

Step-by-step explanation:

(x-8y)-(2x-4y)=

x-8y-2x-4y=

x-2x-8y-4y=

-x - 12y

jeka943 years ago
5 0

Answer: -x - 4y

Step-by-step explanation:

(x-8y)-(2x-4y)

x-8y-2x+4y

-x-4y

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An horse gallops 200ft turns and trots 350ft turns again and travels 410ft
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The area of the triangle formed by his path is 34971.98 ft sq to the nearest hundredth.

<h3>What is the Heron's formula?</h3>

The Heron's formula is given as;

√s(s-a)(s-b)(s-c)

where s is half the perimeter of the triangle

WE have been given that horse gallops 200ft, turns and trots 350ft, turns again and travels 410ft to return to the point he started from.

Perimeter of the triangle is given as = 200 + 350 + 410 = 960 ft

Semi perimeter =  960 ft/ 2 = 480 ft

Area =  √s(s-a)(s-b)(s-c)

Area =  √480 (480 -200)(480 -350)(480 -410)

Area =  √480 (280)(130)(70)

Area =  √480 (2548000)

Area = 34971.98

The area of the triangle formed by his path is 34971.98 ft sq to the nearest hundredth.

Learn more about the Heron's formula;

brainly.com/question/20934807

#SPJ1

The complete question is

A horse gallops 200ft, turns and trots 350ft, turns again and travels 410ft to return to the point he started from. What is the area of the triangle formed by his path? round to the nearest hundredth.

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\boxed{ \mathrm{y = \ negative \  3 x + 3}}

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Slope = -3

Parallel lines have equal slopes.

So, the line which is parallel to this line is y = negative 3 x + 3

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