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uranmaximum [27]
4 years ago
10

What is the diameter of a 18 yard circle​

Mathematics
1 answer:
9966 [12]4 years ago
6 0

Answer:

56.57

Step-by-step explanation:

The formula for the circumference of a circle is C=2∏r, in which r=radius. To find the radius, then, we insert 18 in for the circumference. So 18=2∏r

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A woman starts out walking due north for 2 miles, and then she turns due west and continues for another 2 miles. How far from he
Mrac [35]
For this case we can model the problem as a rectangle triangle.
 We have:
 Length of the sides of the triangle.
 We want to find:
 Length of the hypotenuse.
 Using the Pythagorean theorem we have:
 d ^ 2 = 2 ^ 2 + 2 ^ 2

 d =  \sqrt{2 ^ 2 + 2 ^ 2} 

d =  \sqrt{4 + 4} 

d =  \sqrt{8} 

d =  2\sqrt{2} 

 Answer:
 
She is:
 
d = 2\sqrt{2}
 miles far from her starting point
4 0
3 years ago
A high school track is shaped as a rectangle with a half circle on either side.
Ilia_Sergeevich [38]

Answer:

Option (3)

Step-by-step explanation:

Track is shaped as a rectangle with a semicircle on either side.

Therefore, length of the track = 2(Length of rectangle) + perimeter of a complete circle formed by joining the semicircles on each side.

= 2(96) + 2πr

= 192+2\pi (\frac{35}{2})

= 192 + 35π

= 192 + 109.9

= 301.9 m

Since, Jake plans to run four laps.

Therefore, distance covered by Jake = 4 × 301.9

                                                              = 1207.6 m

Option (3) will be the correct option.

8 0
3 years ago
Read 2 more answers
Solve the equation 2 cos x + 1 = 0 , 0 <= x <= 2pi PLEASE HELP! WILL AWARD!
Keith_Richards [23]
It would be pi over 6, 5 pi over 6, and 3 pi over 6.
6 0
3 years ago
Read 2 more answers
Do these side lengths make a right triangle? 2.1, 7.2, 7.5
mariarad [96]

Answer:Yes

Step-by-step explanation:

6 0
3 years ago
True or False?
oee [108]

Answer:

False

Step-by-step explanation:

y = 2x + 1

Substitute the point (4,3) into the equation and see if it is true

3 = 2(4) +1

3 =8+1

3 =9

This is false, so the point is not a solution

4 0
4 years ago
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