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kakasveta [241]
2 years ago
8

Find the radius of a circle if it’s circumference is numerically equal to its area

Mathematics
1 answer:
kotykmax [81]2 years ago
5 0

Answer:

Step-by-step explanation:

hello :

if : r  the radius  ( r ≠0)

the circumference is :  2πr

the area is : πr²

so : πr² = 2πr

simplify by : r π  you have : r=2

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A circle is defined by the equation given below.
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Answer:

(1/2, 1)

2

Step-by-step explanation:

x² + y² − x − 2y − 11/4 = 0

x² − x + y² − 2y = 11/4

Complete the squares.

x² − x + 1/4 + y² − 2y + 1 = 11/4 + 1/4 + 1

(x − 1/2)² + (y − 1)² = 4

The center of the circle is (1/2, 1) and the radius of the circle is 2.

5 0
3 years ago
Could someone help me with this?
Juli2301 [7.4K]
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Fill the value of the expression 24 3/5 +4 ×(8 1/5-2)
Julli [10]
First off, we'll convert the mixed fractions to "improper",

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\\\\\\
\stackrel{mixed}{8\frac{1}{5}}\implies \cfrac{8\cdot 5+1}{5}\implies \stackrel{improper}{\cfrac{41}{5}}

\bf 24\frac{3}{5}\times \left( 8\frac{1}{5}-2 \right)\implies \cfrac{123}{5}\left( \cfrac{41}{5}-2 \right)\impliedby \mathbb{PEMDAS}
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\cfrac{123}{5}\left( \cfrac{41-10}{5} \right)\implies \cfrac{123}{5}\left( \cfrac{31}{5} \right)
\\\\\\
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4 0
3 years ago
What’s the slope of the line?
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Answer:

the slope is 1

Step-by-step explanation:

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3 years ago
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aliina [53]

Answer:

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Step-by-step explanation:

multiply 5 by 15

and 6 by 8

5x15 is 75 , put it in numerator

6x8 is 48 , denominator

then the answer should have the negative sign

4 0
3 years ago
Read 2 more answers
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