3 years ago

Find the coordinates of the image of point R(4, –1) rotated 270 percent about the origin.

Mathematics

1 answer:

NeX [460]3 years ago

8 0

(4,-1) turns into (1,4) because the equation for that is (x,y)->(y•-1,x)

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Step-by-step explanation:

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3 years ago

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3 years ago

Find the altitude of an equilateral triangle whose perimeter is 18

Rainbow [258]

Answer:

3√3 units

Step-by-step explanation:

We are asked to find the altitude of the equilateral triangle whose perimeter is 18 . Firstly let us find the side of the∆.

$\rm \implies a + a + a = 18 \\\\\rm\implies 3a = 18 \\\\\rm\implies a = 6$

Now we know that in a equilateral triangle , the altitude of the triangle with side length a is ,

$\rm\implies Altitude =\dfrac{\sqrt3}{2} a$

Plug in the value of a that is 6 , we will get ,

$\rm\implies Altitude =\dfrac{\sqrt 3}{2} a \\\\\rm\implies Altitude =\dfrac{ \sqrt3}{2}\times 6 \\\\\rm\implies Altitude = \sqrt3 \times 3 \\\\\rm\implies\boxed{ \bf Altitude = 3\sqrt3 \ units }$

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2 years ago

If it is 5:00 pm in Bloomington, OH, what time is it in St. Louis, MO?

insens350 [35]

Answer:

4:00. I am sure that it is 4 o clock!

Step-by-step explanation:

it is 4:00

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