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iVinArrow [24]
3 years ago
10

The density of water is 1 gram per cubic centimeter. A more dense object will sink, and a less dense object will float. Will a m

arble with a radius of 1.4 cm and a mass of 9 grams sink or float in water? The marble will (float/sink) because the density of the marble is about (0.71, 0.78, 1.28, 1.40) grams per cubic centimeter.
Mathematics
1 answer:
KengaRu [80]3 years ago
6 1

Answer:

sink at 1.28 g/cm^3

v = 4/3 \pi r^{3}

v = 4/3 \pi 1.4^{3}

v =11.49 /9 =1.28

Step-by-step explanation:

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Please help :(<br> [math]
sergij07 [2.7K]

Hey!

------------------------------------------------

First Equation:

2x + 3 = -7

2x + 3 - 3 = -7 - 3 (Subtract 7 to both sides)

2x = -10

2x/2 = -10/2 (Divide 2 to both sides)

x = -5

------------------------------------------------

Second Equation:

4.5x - 7 = 20

4.5x + (-7) + 7 = 20 + 7 (Add 7 to both sides)

4.5x = 27

4.5x/4.5 = 27/4.5 (Divide 4.5 to both sides)

x = 6

------------------------------------------------

Third Equation:

-3x + 7 = 28

-3x + 7 - 7 = 28 - 7 (Subtract 7 to both sides)

-3x/-3 = 21/-3 (Divide -3 to both sides)

x = -7

------------------------------------------------

Answers:

2x + 3 = -7 → x = -5

4.5x - 7 = 20 → x = 6

-3x + 7 = 28 → x = -7

------------------------------------------------

Hope This Helped! Good Luck!

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3 years ago
What's the number of electron for Fe?​
crimeas [40]

Answer:

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Step-by-step explanation:

8 0
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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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