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zaharov [31]
3 years ago
14

Daphne has a rope that is 60 meters long. She wants to use it to mark the boundary of a circle whose radius is an integer. What'

s the largest possible radius for her circle, in meters?
Mathematics
1 answer:
Elan Coil [88]3 years ago
3 0

9514 1404 393

Answer:

  9 m

Step-by-step explanation:

The relationship between radius and circumference is ...

  C = 2πr

Daphne wants r an integer such that ...

  60 m ≥ 2πr

  r ≤ (60 m)/(2π)

  r ≤ (30/π) m ≈ 9.549 m

The largest integer radius Daphne can use is 9 meters.

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Step-by-step explanation:

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8 0
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Eliminate the parameter.<br><br><br>x = 5t, y = t + 8 (2 points)
maxonik [38]

Answer: y = \frac{1}{5}x + 8

Step-by-step explanation:

       This is asking us to remove the parameter. In other words, we want an equation with only the relation between x and y, so we need to remove the t. There are a few ways to do this, but I am going to set one equation equal to t and then plug it into the next one.

     Given:

x = 5t

    Divide both sides of the equation by 5:

t = \frac{1}{5}x

     -

    Given:

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    Plug in:

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    Answer:

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8 0
2 years ago
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Burka [1]

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3 0
3 years ago
In an alloy of gold and silver the ratio of the metals is 6:4. How much gold is there in 200 grams of this alloy?​
nexus9112 [7]

Answer:

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Step-by-step explanation:

G:S

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Hope this helps!

4 0
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