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Shtirlitz [24]
3 years ago
7

a street that is 116 M long is covered in snow. City workers are using a snow plow to clear the street. A tire on the snow plow

house to turn 29 x and traveling the length of the street. What is the diameter of the tire. Use the value 314 for pie
Mathematics
1 answer:
Anvisha [2.4K]3 years ago
8 0
Let diameter of the tire be D.
It turned 29 times and travelled 116 m in distance.

Using the circumference formula,
116=29(2 π r) = 29*(π D) = 29(3.14 D)
Solve for D
D=116/(3.14*29) =  1.274 m.

Answer: The diameter of the tire is 1.27 m (to three significant figures)
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Step-by-step explanation:

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Step-by-step explanation:

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If x varies directly as y and x= 18 when y =3 find x when y=7
denpristay [2]

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42

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5 0
4 years ago
Solve the equation?
stiks02 [169]

Answer:

A

Step-by-step explanation:

Given

p² + 2p - 8 = 0 ← in standard form

with a = 1, b = 2, c = - 8

Using the quadratic formula to solve for p

p = ( - 2 ± \sqrt{2^2-(4(1)(-8))} / 2

  = ( - 2 ± \sqrt{4+32} / 2

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p = \frac{-2-6}{2} = \frac{-8}{2} = - 4

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5 0
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Read 2 more answers
The surface area of a cube is 400 millimeters what is the surface area of a similar cube that is larger by a scale factor of 3
yuradex [85]
Larger by 3 means that the legnths of the sides are larger by 3 times
so we have a cube that has area of 400
surface area=legnth times width times 6 since it is a cube and legnth=width
so
SA=w^2 times 6

6w^2=400
divide by 6
w^2=200/3
square root both sides
w=√(200/3)
so w is 3 times larger
(3w)^2 times 6 is new area

w=√(200/3)
(3√(200/3))^2 times 6=9(200/3) times 6=600 times 6=3600

answer is 3600 ml^2
3 0
3 years ago
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