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viktelen [127]
3 years ago
9

Determine the image of the point (-5,2) under a rotation of 90 degrees about the origin

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
4 0
Please gimma an image.
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A circular path 3 feet wide has an inner diameter of 350 feet. How much farther is it around the outer edge of the path than aro
kobusy [5.1K]

Answer:

<u>18.84 feet</u> farther is it around the outer edge of the path than around the inner edge.

Step-by-step explanation:

Given:

A circular path 3 feet wide has an inner diameter of 350 feet.

Use 3.14 for π.

Now, to find how much farther is it around the outer edge of the path than around the inner edge.

Width of the circular path = 3 feet.

Inner diameter of circular path = 350 feet.

So, to get the inner radius we divide the inner diameter of circular path by width of circular path:

350\div 3

=116.67\ feet.

r = 116.67 feet.

Now,

<em>Thus, the outer radius is:</em>

116.67+3

=119.67\ feet.

R = 119.67 feet.

Now, we get the circumference of inner edge and outer edge:

Circumference of inner edge = 2πr.

Circumference\ of\ inner\ edge=2\times 3.14\times 116.67

                                                 =732.69\ feet.

Circumference of outer edge = 2πR.

Circumference\ of\ outer\ edge=2\times 3.14\times 119.67

Circumference\ of\ outer\ edge=751.53\ feet.

Now, to get how much farther is it around the outer edge of the path than around the inner edge:

<em>Circumference of outer edge - circumference of inner edge.</em>

751.53-732.69

=18.84\ feet.

Therefore, 18.84 feet farther is it around the outer edge of the path than around the inner edge.

4 0
3 years ago
Amanda gave 10 trading cards to her brother and then one half of her remaining
Montano1993 [528]

Answer:

116

Step-by-step explanation:

53×2=106

106+10=116

<h2><em><u>Brainliest Please!!!!!!!!!!</u></em></h2>
7 0
3 years ago
The question is attached
DerKrebs [107]

cos(A - B) = cos A cos B + sin A sin B

In this case, A is \frac{\pi }{3} and B is \frac{\pi }{5}, so:

  cos\frac{\pi}{3} cos\frac{\pi}{5} +sin\frac{\pi }{3} sin\frac{\pi }{5} =cos(\frac{\pi}{3} -\frac{\pi}{5} ) = cos\frac{2\pi}{15}

Hope that helps!

5 0
2 years ago
What is the perimeter of a square that has an area of 3 in squared
Mandarinka [93]
I think its P = 6.93

7 0
4 years ago
write the equation of a line that is parallel to the line 2y+x=9 and passes through the point (4,-7)​
Marrrta [24]

Answer:

y=-(1)/(2)x-5

Step-by-step explanation:

4 0
4 years ago
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