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Natasha_Volkova [10]
4 years ago
7

The slope of EF is -5/2 which segments are perpendicular to EF?

Mathematics
1 answer:
yan [13]4 years ago
7 0

Answer:

Any line with a slope (m) of 2/5

Step-by-step explanation:

It is easy to find the slope of a perpendicular line when one of the lines is given. All you have to do is flip the fraction (If it is a whole number, set under 1.), and change the sign (negative to positive, and vice versa).

In this case the perpendicular slope of (-5/2) is 2/5.

~

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4 years ago
Work out the area of this semicircle.Take pie to be 3.142 and give your answer to 2 decimal places 10cm
rosijanka [135]

Answer:

The area of the semi circle  A = 157.1 cm^2

Step-by-step explanation:

<u><em>Explanation</em></u>:-

<em>Given radius of circle 'r' = 10 cm</em>

<em>The area of the circle formula </em>

<em>                                 </em>A = \pi (r)^{2}<em></em>

<em>The area of the semi circle formula </em>

                            A = \frac{\pi (r)^{2} }{2}

taking  π =3.142

                           A = 3.142 X \frac{(10)^2}{2}

On calculation , we get

                           A = 157.1 cm^2

<u><em>Final answer</em></u>:-

<em>The area of the semi circle  </em>A = 157.1 cm^2<em></em>

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3 years ago
MAJOR HELP!
ladessa [460]

Answer: Option A

\theta=tan^{-1}(\frac{8}{6})

Step-by-step explanation:

We can model the situation by means of a right triangle.

Where the  angle \theta is the angle that you make with the top of the TV.

Then the horizontal distance of 6 feet is the adjacent side and the vertical distance of 8 feet is the opposite side to the angle the.

By definition of the tan(\theta) function we know that:

tan(\theta)=\frac{opposite}{adjacent}

Therefore:

tan^{-1}(\frac{8}{6})=\theta

\theta=tan^{-1}(\frac{8}{6})

6 0
3 years ago
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