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Keith_Richards [23]
3 years ago
13

What is BC ? Enter your answer in the box.

Mathematics
1 answer:
omeli [17]3 years ago
4 0

Answer:

Before Christ

Step-by-step explanation:

This is a historical term which is the opposite of AD(Anno Domini)

I do not know if I have spelt Anno Domini correctly but it does not matter


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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
Read 2 more answers
How many years would it take for a person in the united states to eat 855 pounds of apples
never [62]

It would take 30 years


4 0
3 years ago
Z = 16ab <br><br>solve for a​
nikitadnepr [17]

Answer:

a=z/16b

Step-by-step explanation:

move it over a=z/16b hope this helps :D

8 0
3 years ago
AH SOMEONE HELP ME A department store has 950 customers in a day, and 82% of customers made a purchase. Of the customers who mad
uranmaximum [27]
65 bought 3 or more.

950x0.82=779
779-528=251
251-186=65
Final answer: 65
8 0
3 years ago
Find -4(3)+(-7) <br><br> What order should be preformed in this expression
Sergio [31]

Answer:

-19

Step-by-step explanation:

  • According to bedmas rules, we have to first solve the brackets.

-4(3)+(-7)

-12 + (-7)

  • Now, let's add

-12 + (-7)

-12 - 7

= -19

8 0
2 years ago
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