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umka21 [38]
3 years ago
10

Least common denominator in 1/30 + 1/24

Mathematics
1 answer:
aev [14]3 years ago
8 0

Answer:

The LCD in 1/30 + 1/24 is <u>90</u>.

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280 is the answer
______________________________________
                                                                                        
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Help with the following problem please
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Given:
The largest circle has a radius of R=7 units.
Let x be the radius of the large shaded circle.
The small shaded circles have a radius of 1/5 of the large shaded circle.
=> the small shaded circles have a radius of r=x/5

By adding up radii, we have the equation
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Area of 4 small shaded circles = 4\pi r^2=4\pi1^2=4\pi
Total area of shaded circles     =25\pi+4\pi=29\pi

Shaded area as a fraction of that of the outer circle 
=\frac{29\pi}{49\pi}=29/49

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