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egoroff_w [7]
3 years ago
7

The circumference of a circle is 16Pi ft. The radius is ____ ft.

Mathematics
2 answers:
zloy xaker [14]3 years ago
8 0

Answer:

radius is 8 ft

Step-by-step explanation:

circumference formula is 2pi r

so if the circumference is 16 pi, we divide it by 2 to get 8 pi and divide it by pi to get 8.

Snowcat [4.5K]3 years ago
4 0

Answer:

8  ft

Step-by-step explanation:

The circumference is given by

C = 2 * pi *r

16 pi = 2 * pi *r

Divide each side by 2 pi

16 pi / 2 pi = 2 pi r / 2 pi

8 = r

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A line segment has endpoint j(2,4) and l(6,8).the point k is the midpoint of jl.what is an equation of a line perpendicular to j
GenaCL600 [577]
The equation of the line is:
 y-yo = m (x-xo)
 Where,
 m = (y2-y1) / (x2-x1)
 Substituting values:
 m = (8-4) / (6-2)
 m = (4) / (4)
 m = 1
 Then, the equation is:
 y-4 = 1 * (x-2)
 Rewriting:
 y = x-2 + 4
 y = x + 2
 The midpoint is:
 k = ((x1 + x2) / 2, (y1 + y2) / 2)
 k = ((2 + 6) / 2, (4 + 8) / 2)
 k = ((8) / 2, (12) / 2)
 k = (4, 6)
 Then, the equation of the perpendicular line that passes through k is:
 y = -x + b
 Looking for b we have:
 6 = -4 + b
 b = 6 + 4
 b = 10
 Substituting:
 y = -x + 10
 Answer:
 An equation of a line perpendicular to jl and passing through k is:
 y = -x + 10
3 0
3 years ago
5 cups to 7.5 cups<br><br> What is the percent change? Explain
Rasek [7]
5=100%
5/100=0.05=1%
7.5/0.05=150%

Answer: +50%
5 0
3 years ago
Engineers want to design seats in commercial aircraft so that they are wide enough to fit 90​% of all males.​ (Accommodating 100
gladu [14]

Answer:

  16.053 inches

Step-by-step explanation:

Many such probability questions are easily answered by a suitable calculator or spreadsheet.

4 0
3 years ago
HELLLLPPP MEEEEE PLEASEEEE Let g(z) = -3z-1. Find the following value. g(z+h)
ser-zykov [4K]

Answer:

g(z-1)

Step-by-step explanation:

8 0
3 years ago
What is the answers?
34kurt
Cos theta would be (adjacent side) / (hypotenuse), or 8/29.  

Thus, the angle theta would be the inverse cosine of 8/29, which is 

1.291 radians or 73.987 degrees.

Given this result, just take the sine of this angle.
6 0
3 years ago
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