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JulijaS [17]
3 years ago
8

Anita learned that the mass of a baseball being used in a professional game was 142.663 grams. What is the mass of this baseball

, rounded to the nearest tenth?
143 grams


142.7 grams


142.66 grams


140 grams
Mathematics
1 answer:
Usimov [2.4K]3 years ago
6 0

\huge{\textbf{\textsf{{\color{navy}{An}}{\purple{sw}}{\pink{er}} {\color{pink}{:}}}}}

142.7 grams

  • Thanks
  • Hope it helps.
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Ormond Oil company wants to paint one of its cylindrical
Elenna [48]

Answer:

the company must buy 22 gallons to paint this entire area

Step-by-step explanation:

The circumference of the tank is given and is C = 2(pi)r, where r is the area.                                                                              

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Here the circumference is C = 2(pi)(r) = 118 ft, which   leads to r = ------------ ≈

18.79 ft ≈ r                                                                                                     2(pi)

The area of the sides is A = (circumference)(height), or approximately

(118 ft)(50 ft) = 5900 ft², and the area of the top is A = πr², which here comes to (π)(18.79 ft)² ≈ 1109 ft².  Combining these two sub-areas, we get:

A(total) = 1109 ft² + 5900 ft² ≈ 7009 ft²

To determine how many gallons of paint will be needed to paint only the top and sides, we divide 7009 ft² by the coverage rate, which is

320 ft²

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which results in:

7009 ft²

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Since the paint comes only in full gallon cans, the company must buy 22 gallons to paint this entire area.                                                        

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Hello all!
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Answer:

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Step-by-step explanation:

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