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gavmur [86]
3 years ago
10

What is the circumference of a circle that has a diameter of 15m?

Mathematics
2 answers:
makkiz [27]3 years ago
6 0

Answer:

Step-by-step explanation:

So, as you know u got a the diameter.

-Given:

d = 15.

circle (Pi) = 3,14159265359 (But we use always 3.14)

Find: we need to find circumference.

C=Pi * d = 3,14 * 15 = 47,1m.

I hope this answers your question, sir.

Murrr4er [49]3 years ago
3 0

Answer:

47.1

Step-by-step explanation:

c=pie d

c=3.14×15

47.1

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The equations -6x + 3y = 6 and x² + y = 10 intersect at the
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The values of the letters in coordinates (a, b) and (c,d) are;

<u><em>a = -4</em></u>

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<u><em /></u>

We are given two equations;

-6x + 3y = 6  ---(eq 1)

x² + y = 10 ---(eq 2)

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Let us make y the subject in eq 2 to get;

y = 10 - x²  --(eq 3)

  • Let us put 10 - x² into eq 1 to get;

-6x + 3(10 - x²) = 6

expanding further gives;

-6x + 30 - 3x² = 6

rearranging gives;

3x² + 6x - 24 = 0

Using online quadratic equation <em>solver</em>, we have;

x = -4 and x = 2

Putting x = -4 into eq 3 gives;

y = 10 - (-4)²

y = 10 - 16

y = -6

Putting x = 2 into eq 3 gives;

y = 10 - (2)²

y = 10 - 4

y = 6

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Comparing with (a, b) and (c,d), we have;

a = -4

b = -6

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d = 6

Read more at; brainly.com/question/15165519

5 0
2 years ago
If 2m−6=8m
sp2606 [1]

Answer:

3m = -3

Step-by-step explanation:

2m−6=8m

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Which of the following are exterior angles? Check all that apply.
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Answer:

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Exterior angles means that angles on the out side.

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From the figure we get exterior angles are,

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Answer:

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