3 years ago

I NEED HELP cube with 7cm3 sides and the mass is 210g

1 answer:

7 0

Answer:

300

Step-by-step explanation:

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kolezko [41]

Answer:

Step-by-step explanation:

If there was one man, he would have taken 15×4= 60 hours

To complete the job in 10 hours, 60÷10 = 6 men will be needed

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4 years ago

lions [1.4K]

Answer:

coefficent matrix

Step-by-step explanation:

P. 366

"If the column of constant terms is not included, the matrix reduces to that of the coefficent matrix of the system"

-1 -3 -1

9 -9 -1

-1 -3 4

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3 years ago

Zanzabum

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skelet666 [1.2K]

Answer:

i think its 225 but i can still be wrong

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4 years ago