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ollegr
6 days ago
15

List at least three (3) characteristics of carbon that make it a unique element.

Mathematics
2 answers:
Zina [3.9K]6 days ago
7 0
1.) Les composés carbonés sont fondamentaux pour tous les éléments organiques, constituant les bases de tous les organismes vivants.

2.) La forme allotropique du carbone en diamant est la substance la plus dure connue.

3.) Le carbone peut établir des liaisons covalentes avec d'autres atomes de carbone, formant ainsi des chaînes continues, des branches et des boucles. 
Inessa [3.9K]6 days ago
3 0

Réponse: Le carbone existe comme solide, liquide et gaz.

On trouve du carbone partout.

Le carbone est adaptable et s'associe facilement avec d'autres éléments.

Le carbone s'unit à d'autres éléments pour composer des macromolécules.

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Value of expression 6 3/4(-11.5)
Inessa [3926]

Answer:

6 * 3/4 = 4.5 = 9/2 = 412

Step-by-step

6 * 3/4 = 6/1  3*4 = 18/4 = 9/2

2 · 2 = 9/2

Both the numerators and denominators are to be multiplied. Retain the resulting fraction with the lowest possible denominator; GCD(18, 4) = 2. In this intermediate calculation, cancelling by the common factor of 2 results in 9

2

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In summary - six times three quarters equals nine halves.

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6 days ago
The volume, V, of a rectangular prism is determined using the formula V=lwh, where l is the length, w is the width, and h is the
babunello [3666]

Answer:

Width of the rectangular prism

To determine the volume of the rectangular prism, we utilize the following formula:

v = lwh

Where:

v = volume

l = length

w = width

h = height

Now,

The variables provided in the problem include:

v = 138.24 cubic inches

h =  9.6 inches

l = 3.2 inches

w = ?

By substituting these values into the volume formula, we have:

138.24 = 3.2 * w * 9.6

138.24 = 30.72 * w

w = 138.24/30.72

w = 4.5

⇒ Therefore, the width of the rectangular prism measures 4.5 inches.

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17 days ago
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a falling object travels a distance given by the formula d=5t + 16t^2 ft, where t is measured in seconds. how long will it take
zzz [4035]

It is provided that

d=5t+16t^{2}

We need to determine t when d equals 74

Thus, 74=5t+16t^{2} or

16t^{2}+5t-74 = 0

16t^{2}+37t-32t-74 = 0

t(16t + 37) - 2(16t + 37) = 0

(t - 2)(16t + 37) = 0

t - 2 = 0 or 16t + 37 = 0

t cannot be negative.

Thus, t equals 2

Therefore, it will require 2 seconds for the object to cover 74 feet.










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15 days ago
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Mary and Julie both have a goal of raising $1000 for charity. Mary raises $12 every 4 days. Julie raises $19 every 6 days. Will
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