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2 years ago

The piano measures 19/4 ft long. There's a 5ft long space in her house Can it fit

Mathematics

2 answers:

Korolek [52]2 years ago

5 0

$\frac{19}{4}= 4.75$

5>4.75 It can fit

Alja [10]2 years ago

4 0

Yes it can because it can hold 20 units and 20 is greater than 19 trust me

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Sati [7]

Answer:

$x=81\degree$

$y=99\degree$

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2 years ago

What is the sum of the geometric series 2+6+18+...+486?

marin [14]

Answer:

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Step-by-step explanation:

2+6+18+...+486

a=2

r=6/2=3

$a_{n}=ar^{n-1}\\486=2(3)^{n-1}\\3^{n-1}=486/2=243=3^5\\n-1=5\\n=5+1=6\\S_{6}=2\frac{3^6-1}{3-1} \\=2\frac{729-1}{2}\\=728$

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