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GREYUIT [131]
3 years ago
14

The density of aluminum is 2.7 g cm3 what is its density in kilograms per cubic meter

Mathematics
1 answer:
maw [93]3 years ago
3 0

The only thing that we have to do in this problem is to convert the units.

We know that:

1000 g = 1 kg

100 cm = 1 m

 

Therefore:

density = (2.7 g / cm^3) * (1 kg / 1000 g) * (100 cm / m)^3

<span>density = 2700 kg / m^3</span>

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Natasha_Volkova [10]
<span>x^2 - 4x - 12 = 0
factors
(x - 6)(x + 2) = 0
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x -  6 = 0; x = 6
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8 0
3 years ago
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What are the remaining angle measures if the figure is to be a parallelogram?
Kobotan [32]

Answer:

We conclude that:

m∠B = 101°

m∠C = 79°

m∠D = 101°

Step-by-step explanation:

Given the parallelogram ABCD

We know that a parallelogram has opposite angles that are congruent.

Here,

The angles ∠A and ∠C are opposite angles.

Thus,

  • ∠A = ∠C

The angles ∠B and ∠D are opposite angles.

Thus,

  • ∠B = ∠D

<u>Determining the measure of angles of a parallelogram:</u>

As

∠A = 79°

We know

  • ∠A = ∠C

Thus, the measure of the angle ∠C is:

m∠C = 79°

We know that the sum of the measure of two consecutive angles is 180°.

As ∠A and ∠D are consecutive angles, so

∠A + ∠D = 180°

substituting ∠A = 79° in the equation

79° + ∠D = 180°

subtracting 79° from both sides

79° + ∠D - 79° = 180° - 79°

∠D = 101°

Thus, the measure of the angle D is:

m∠D = 101°

We know that the angles ∠B and ∠D are opposite angles.

Thus,

  • ∠B = ∠D

so if m∠D = 101° then ∠B is also 101°.

Therefore, the measure of angle B is:

m∠B = 101°

Hence, we conclude that:

m∠B = 101°

m∠C = 79°

m∠D = 101°

7 0
3 years ago
The y-intercept repesents the solutuions of a polynomial true or false
RSB [31]
Answer: False

The x intercepts represent the roots or solutions of a polynomial equation. It is possible to have more than one solution.
7 0
3 years ago
Pa help po thank you ​
Harlamova29_29 [7]

Answer:

3,6,9,12 is not geometric seuence

Step-by-step explanation:

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Find the value of x.<br> Round to the nearest tenth.
tankabanditka [31]

Answer:

  x ≈ 42.3

Step-by-step explanation:

The law of cosines is given. For this problem, ...

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Filling in these values, we have ...

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