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jenyasd209 [6]
3 years ago
9

Estimate the cercumfrence of the circle with the given raduisor diameter. Use 3.14 for "pie". Round to the nearest unit.

Mathematics
1 answer:
tatuchka [14]3 years ago
5 0
Circumference of a circle is pi x diameter (full length of the circle)

you have the radius which is half, so youd need to double it go geth the diameter.

24x2=48

and then 3.14x48=150.72
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What is the answer to this system of equations? 2x - 3y= 21 and -6x + 2y = 7.
allsm [11]

answer:

x = - 9/2

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Step-by-step explanation:

make both equations look like y =

2x-3y=21 -> -3y= -2x+21 -> y = (-2x+21)/-3 -> y = 2/3x - 7

-6x + 2y = 7 -> 2y = 6x + 7 -> y = 3x + 7/2

now make the equations equal to each other (since they both equal y)

get x

2/3x - 7 = 3x + 7/2

-7 -7/2 = 3x - 2/3x

-14/2 -7/2 = 9/3x - 2/3x

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(3/7) -21/2 = x

x = (3/7) -21/2

x = - 63/14

x = - 9/2

put it back in an equation to get y

y = 3x + 7/2

y = 3(-9/2) + 7/2

y = -27/2 + 7/2

y = -20/2

y = - 10

brainly.com/question/12203001

5 0
2 years ago
Write the equation of the line the passes through (1, -2) and (3, 4) in slope intercept form.​
Alona [7]

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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
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