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Mathematics : asked on LudwergTheMyth
 25.02.2022

A block of metal has dimensions of 2 cm by 5 cm by 6 cm. The block weighs 780 g. From this information, calculate the mass, volume and density.

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09.07.2023, solved by verified expert
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Nitin Arora
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Mathematics, English, Physics. Research Scholar at Indian Institute of Technology, Roorkee
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A block of metal has dimensions of 2 cm by 5, №18009692, 25.02.2022 16:18

Given that - The block weighs 780g

therefore ,

A block of metal has dimensions of 2 cm by 5, №18009692, 25.02.2022 16:18

A block of metal has dimensions of 2 cm by 5, №18009692, 25.02.2022 16:18

Now ,

dimensions of the given block are

‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎‎ ‎ ‎ 2 cm × 5 cm × 6 cm

A block of metal has dimensions of 2 cm by 5, №18009692, 25.02.2022 16:18

therefore ,

A block of metal has dimensions of 2 cm by 5, №18009692, 25.02.2022 16:18

A block of metal has dimensions of 2 cm by 5, №18009692, 25.02.2022 16:18

Further ,

A block of metal has dimensions of 2 cm by 5, №18009692, 25.02.2022 16:18

therefore ,

A block of metal has dimensions of 2 cm by 5, №18009692, 25.02.2022 16:18

hope helpful~

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Mathematics
A block of metal has dimensions of 2 cm by 5 cm by 6 cm. The block weighs 780 g. From this information, calculate the mass, volume and density.
Step-by-step answer
P Answered by Specialist

\huge\fbox{Answer ☘}

Given that - The block weighs 780g

therefore ,

\bold\blue{mass \: = 780g}\\

\bold\green{----------------}

Now ,

dimensions of the given block are

‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎‎ ‎ ‎ 2 cm × 5 cm × 6 cm

\bold\purple{Volume = l \times b \times h }\\\\ \bold \purple{⇢ (2 \times 5 \times 6) \: cm {}^{3}} \\\\\bold\purple{ ⇢60cm {}^{3}}

therefore ,

\bold\blue{Volume = 60cm {}^{3}}

\bold\green{----------------}

Further ,

\bold\pink{Density = \frac{mass}{volume} }\\ \\ \bold\pink{ ⇢ \cancel\frac{780 \: g}{60 \: cm {}^{3} } } \\ \\ \bold\pink{⇢13g \: cm {}^{ - 3} }

therefore ,

\bold\blue{Density \: = 13 \: g \: cm {}^{ - 3} }

hope helpful~

Chemistry
A block of metal has dimensions of 2 cm by 5 cm by 6 cm. The block weighs 780 g. From this information, calculate the mass, volume and density.
Step-by-step answer
P Answered by PhD

mass = 78 grams

volume= 2*5*6=60cm^3

density =m/v

=78/60

13/10=1.3 g/cm^3

Chemistry
A block of metal has dimensions of 2 cm by 5 cm by 6 cm. The block weighs 780 g. From this information, calculate the mass, volume and density.
Step-by-step answer
P Answered by PhD

mass = 78 grams

volume= 2*5*6=60cm^3

density =m/v

=78/60

13/10=1.3 g/cm^3

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Imran is paid ?286 per week Every week he puts 20% of his wage into a savings account How much does he put into his savings each week
Step-by-step answer
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The answer is in the image 

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You can buy jars of the same jam in 2 sizes large jar:440g for £1.54 small jar:340g for £1.26 By considering the price per gram, work out which jar is the best value for money. Working must be shown
Step-by-step answer
P Answered by PhD
Answer: 440 grams for 1.54 is the better value
Explanation:
Take the price and divide by the number of grams
1.54 / 440 =0.0035 per gram
1.26 / 340 =0.003705882 per gram
0.0035 per gram < 0.003705882 per gram
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