2 years ago

Who Takes More Time To Get Ready

Mathematics

1 answer:

olga nikolaevna [1]2 years ago

5 0

Julia..........??????

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Nimfa-mama [501]

Answer:

30.5 hours

Step-by-step explanation:

If he were to average 8 hours PER week for 4 weeks, his total sum would have been:

8 * 4 = 32 hours

But he fell short of it. By how much?

By $1\frac{1}{2}$ hours!

So, he practiced 1 1/2 hours LESS THAN 32 hours, so his practice time is:

$32-1\frac{1}{2}\\=32-1.5\\=30.5\\=30\frac{1}{2}$

So, <u>he practiced 30.5 hours in the 4 weeks</u>

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The dimensions are 41 ft

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3 years ago

What is the volume of a hemisphere with a radius of 2.3 m, rounded to the nearest tenth of a cubic meter?

ANTONII [103]

Answer:25.5m^3

Step-by-step explanation:

radius(r)=2.3m

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volume of hemisphere=2/3 x π x r^3

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Volume=2/3 x 3.14 x 2.3 x 2.3 x 2.3

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Step-by-step explanation:

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