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klio [65]
2 years ago
12

Find the value of x??

Mathematics
1 answer:
lisabon 2012 [21]2 years ago
3 0

Answer:

5(2x−9)

Step-by-step explanation:

hope this helps

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Jeff has placed several points on a plane but forgot to draw the line on them. His points in order are: A (-3,7), B(6,7), C(6,-9
In-s [12.5K]

Answer:

rectangle

Step-by-step explanation:

got it right

5 0
3 years ago
Which number is rational?<br> square root 2<br> 3.4<br> square root 10<br> square root 16
IRINA_888 [86]

Answer:

3.4

Step-by-step explanation:

3.4 is able to be converted into a fraction so it is rational.

3 0
3 years ago
A graduated cylinder is filled with 20ml of water. Then, an 8g marble is dropped into the cylinder, causing the volume to change
Tema [17]

Answer:

The density of the marble is 2,000 kg/m³

Step-by-step explanation:

The given parameters for finding the density of the marble are;

The volume of water in the graduated cylinder, v₁ = 20 ml

The mass of the marble dropped into the graduated cylinder, m = 8 g

The new volume of the cylinder after the 8 g marble is dropped into the cylinder, v₂ = 24 ml

Therefore, the volume of the marble, v = v₂ - v₁

Substituting the known values gives;

The volume of the marble, v = 24 ml - 20 ml = 4 ml

Density, ρ = Mass, m/(Volume, v), the units of density is kg/m³

Therefore, the density of the marble, \rho _{marble}, is given as follows;

\rho _{marble} = m/v = (8 g)/(4 ml) = 2 g/ml

1 g/ml = 1 kg/l = 1,000 kg/m³

∴ \rho _{marble} = 2 kg/l = 2,000 kg/m³.

4 0
3 years ago
Does anybody wanna go on zooom?
agasfer [191]

Answer:

No, thanks.

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
The average heart pumps about 80ml of Blood each contraction. if your heart rate was 70 beats per minute, calculate the volume o
Anuta_ua [19.1K]
The heart beat rate is 70beats/minute with 80ml of blood pumped every beat. Then, the <span>volume of blood your heart pumps in one minute would be:

volume of blood per minute= volume per beat * beat per minute
</span>volume of blood per minute= 80ml/beat * 70beat/minute= 560ml/ minute<span>

</span>volume of blood per hour would be: 560ml/minute * 60 minute/hour= 33.600 ml/hour
5 0
3 years ago
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