3 years ago

The mass of an object is 12g and its volume is 6cm3. What is its density? *

Mathematics

1 answer:

Cloud [144]3 years ago

3 0

Answer:

i think 2 g/cm3

Step-by-step explanation:

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adoni [48]

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3 years ago

How many solutions exist for the following system of equations: 4x + y = 7 and 3x - y = 0 a. no solution b. one solution c. infi

Zanzabum

$4x+y=7 \\
\underline{3x-y=0} \\
4x+3x=7+0 \\
7x=7 \ \ \ |\div 7 \\
x=1 \\ \\
3x-y=0 \\
3 \times 1-y=0 \\
3-y=0 \ \ \ |+y \\
y=3 \\ \\
(x,y)=(1,3)$

The answer is B. one solution.

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4 years ago

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Step-by-step explanation:

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svlad2 [7]

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4 years ago

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Answer:

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Step-by-step explanation:

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