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shtirl [24]
3 years ago
15

The distance from the center of a center of a compact disc to the edge of the disc is 6 centimeters. What is the area of the com

pact disc?
A. 452.16 square centimeters
B. 36 square centimeters
C. 113.04 square centimeters
D. 18.84 square centimeters
Mathematics
1 answer:
melamori03 [73]3 years ago
3 0
This is the area of a circle with radius 6 cms
=  pi * r^2
= 36pi
=  113.04 cm^2

C
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Is there a solution to 0.21 (3x + 3) + 4 <br> =26
bonufazy [111]

Answer:

x = 33.92.

Step-by-step explanation:

0.21 (3x + 3) + 4 = 26

Distribute the 0.21 over the parentheses:

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0.63x = 22 - 0.63

0.63x = 21.37

x = 21.37 / 0.63

x = 33.92 (answer).

3 0
3 years ago
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MArishka [77]

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5 0
2 years ago
8u/u^2-18u+81 subtract 72/u^2-18u+81
Karo-lina-s [1.5K]
Your question is:
\frac{8u}{u^2-18u+81} -\frac{72}{u^2-18u+81}
Then, the above formula equate:

\frac{8u-72}{u^2-18u+81}
Factor out 8 from the numerator we get:
\frac{u-9}{u^2-18u+81}
Factorization of the denominator:
\frac{u-9}{(u-9)^2}
Simplifying the numerator and the denominator by (u-9) we get:
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6 0
3 years ago
Calculate 6+9i/-1+4i
lisabon 2012 [21]

Multiply the numerator and denominator by the conjugate of the denominator:

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Simplify:

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8 0
2 years ago
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