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shepuryov [24]
3 years ago
9

Find the volume and round to the nearest whole number

Mathematics
1 answer:
MariettaO [177]3 years ago
5 0

Answer:

527 cubic meters

Step-by-step explanation:

The area of the cube would be 7.5^3 and the area of the rectangular prism would be 3.75*3.75*7.5. Then it would be 421.9 + 105.5 and rounded to the whole number the answer would be 527

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lukranit [14]

Answer:

length = 5

width = 9

Step-by-step explanation:

V = lwh

let 'x' = length

let '4+x' = width

9 = height

405 = 9x(4+x)

405 = 36x + 9x²

this is a quadratic equation:  9x² + 36x - 405 = 0

factor out a 9 to get:

9(x² + 4x - 45) = 0

9(x-5)(x+9) = 0

one root is 5 and the other is -9

since distance cannot be negative we use 5 as the length and 9 is the width

3 0
2 years ago
Esteban is shopping for a bookshelf. He has 58 non-fiction books and 145 fiction books. He wants each shelf to have the same num
emmasim [6.3K]

Answer:

7

Step-by-step explanation:

Criteria:

• same number of books on each shelf

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• greatest number of books on each shelf

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58 = 2 ⋅ 29

145 = 5 ⋅ 29The GCF of 58 and 145 is 29.

Each shelf will contain 29 books.

There are 203 total books (because 58 + 145 = 203).

Divide 203 by 29 to find the number of shelves there should be.

203 / 29 = 7

Therefore, there will be 7 shelves.

5 0
2 years ago
If u have 1 hundred and 14 tens and 8 ones what number would it make?
rewona [7]

Answer:

248

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
FIND VALUEE OF Y !!!
Mazyrski [523]

Answer:

7.

Step-by-step explanation:

9y+12=75

subtract 12 from 75

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3 years ago
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Westkost [7]

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Step-by-step explanation:

7 0
3 years ago
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