Mathematics: Point A (-2,-10) is reflected over the x-axis. What are the coordinates of A?

Point A (-2,-10) is reflected over the x-axis. - id21014326060, yungdaggerdic4543

Ответ:

lalaboooobooo

13.09.2021

Mathematics

(- 2, 10 )

Step-by-step explanation:

Under a reflection in the x- axis

a point (x, y ) → (x, - y ) , then

A (- 2, - 10 ) → A' (- 2, 10 )

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Ответ:

asanjog2755

16.04.2021

Mathematics

$\boxed{\boxed{\pink{\bf \leadsto Hence \ the \ horizontal \ distance \ is \ 11.47 \ feet . }}}$

Step-by-step explanation:

Given that Scott is using a 12 foot ramp . And the height of the truck is 3.5 feet from the ground. And we need to find the horizontal distance of the ramp reaches the ground of the truck .

Here will be a formation of a right angled triangle in which the

Ramp will be hypontenuse.Height will be perpendicular .Base distance will be base .

On using Pythagoras Theorem ,

$\red{\bf \implies base^2+perpndicular^2=hypontenuse^2}\\\\\bf\implies (12 ft )^2 = base^2 + (3.5 ft )^2\\\\\bf\implies 144ft^2 = base^2+12.25 ft^2 \\\\\bf\implies base^2 = 144ft^2-12.25ft^2 \\\\\bf\implies base^2 = 131.75 ft^2\\\\\bf\implies base=\sqrt{131.75ft^2}\\\\\bf\implies\boxed{\red{\bf base = 11.47 ft }}$

★ Hence the horizontal distance is 11.47 feet .

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Point A (-2,-10) is reflected over the x-axis. What are the coordinates of A?

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