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Flura [38]
3 years ago
6

Can some one help me i need help it is 6x-1/5=3/1 but its not hole numbers

Mathematics
2 answers:
baherus [9]3 years ago
8 0
X = 8/15
6x - 1/5 = 3/1
6x - 1/5 = 3
6x = 3 + 1/5
6x = 15 + 1 over 5 
6x = 16/5
x = 16/30
Then, you simplify. 
x = 8/15
VARVARA [1.3K]3 years ago
5 0
6x - 1/5 = 3/1...u want to get rid of the fractions...multiply everything by the common denominator which is 5

giving u :
30x - 1 = 15....add 1 to both sides
30x = 15 + 1
30x = 16...divide both sides by 30
x = 16/30 which reduces to 8/15
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Step-by-step explanation:

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                            m2 = 0.624 kg

- The amount of air ( mass of air ) pumped into the ball can be determined from simple arithmetic between inflated and deflated weights of the ball.

                           m_air = Δm = m2 - m1

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- We are to assume that the inflated ball takes a shape of a perfect sphere with radius r = 0.24 m. The volume of the inflated ( air filled ) ball can be determined using the volume of sphere formula:

                         V_air = 4*π*r^3 / 3

                         V_air = 4*π*0.24^3 / 3

                         V_air = 0.05790 m^3  

 

- The density of air ( ρ_air ) is the ratio of mass of air and the volume occupied by air. Expressed as follows:

                         ρ_air = m_air / V_air

                         ρ_air = 0.009 / 0.05790

Answer:            ρ_air = 0.15544 kg/m^3                      

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