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fiasKO [112]
2 years ago
10

Use transformations to solve the equation. c • 5 = 30 A. c = 5 B. c = 6 C. c = 150 D. c = 180

Mathematics
1 answer:
zmey [24]2 years ago
5 0
C * 5 = 30
   
Divide both sides by 5 

c = 6
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\theta=17..............Answer

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Step-by-step explanation:

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3 years ago
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Find the value of given expression<br><br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B%20%5Cfrac%7B242%7D%7B2%7D%20%7D%20" id
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To play basketball with her friends, Evangeline needs to pump air in her ball, which is completely deflated. Before inflating it
Nadya [2.5K]

Answer:

ρ_air = 0.15544 kg/m^3

Step-by-step explanation:

Solution:-

- The deflated ball ( no air ) initially weighs:

                             m1 = 0.615 kg

- The air is pumped into the ball and weight again. The new reading of the ball's weight is:

                            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

                           m_air = 0.624 - 0.615

                           m_air = 0.009 kg

- 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                      

4 0
2 years ago
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