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ella [17]
2 years ago
13

Circle O has a circumference of approximately 250ft. What is he approximate length of the diameter, d?

Mathematics
1 answer:
Alja [10]2 years ago
6 0

Circumference = pi *d

250 = pi * d

divide each side by pi

250/pi = d

pi is approximately 3.14

250/3.14 = d

79.62 = d

the diameter is approximately 79.62 ft

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<333
Gnom [1K]
(210+200+190+180+300+150+90+x)/8=200
(1320+x)/8=200 /*8
1320 +x=1600
X=1600-1320
X= 280
6 0
3 years ago
Solve the equation. 27x - 6 = 9x - 1
Evgesh-ka [11]
27x-6=9x-1
27x-9x =-1+6
18x = 5
x = 5/18
5 0
3 years ago
Read 2 more answers
Find the equation (in terms of x ) of the line through the points (-5,-1) and (3,-4)
Nataly [62]

9514 1404 393

Answer:

  y = -3/8x -23/8

Step-by-step explanation:

The slope is found using the slope formula:

  m = (y2 -y1)/(x2 -x1)

  m = (-4 -(-1))/(3 -(-5)) = -3/8

Then the point-slope equation of the line is ...

  y -k = m(x -h) . . . . line with slope m through point (h, k)

For m = -3/8 and (h, k) = (-5, -1), the line is ...

  y +1 = -3/8(x +5)

In slope-intercept form, this is ...

  y = -3/8x -23/8

4 0
2 years ago
Consider the system of equations. 3x + 2y = 16, x + y = 4 Which numerical values could you multiply the second equation by to el
andrezito [222]

Answer: -2

Step-by-step explanation:

3x+2y=16

x+y=4 multiply by -2

-2x-2y=-8

3x+2y=16  ------a

-2x-2y=-8  -------b

Add equation a and b

(3x+-2x)+(2y+-2y) = 16+(-8)

x+0=8 (y has been eliminated)

4 0
3 years ago
Read 2 more answers
A line passes through (10,-1) and has a slope of -1/2 whats the equation of the line
8090 [49]

Answer:

Y=-1/2x+4

Step-by-step explanation:

-The slope is -1/2 so you just plug it in where the slope would go with an x in front

-all you need now is your y-intercept which can be found by plugging in the provided info to your basic form y=mx+b

-You can take the provided point at (10,-1) and work out what the intercepts is

-1=-1/2(10)-b

-1=-5-b

4=b

8 0
3 years ago
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