The no. of spectators at the 2010 World Cup Match between Argentina and Mexico was 82000 correct to the nearest thousand. If each spectator

Question

The no. of spectators at the 2010 World Cup Match between Argentina and Mexico was 82000 correct to the nearest thousand. If each spectator paid 2600 Rand (R) to attend the game, what is the lower bound for the total amount paid?

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Sarah 7 hours 2021-11-25T04:00:26+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-11-25T04:01:45+00:00

    answer:

    volume of the ball: 1000 c-cmradius of the ball:

    r = 10 \Bigg({ \frac{3}{4\pi} }\Bigg)^{ \frac{1}{3} } \: cm \\

    Would the surface of the water be 4cm below the top of the tank?

    No

    Step-by-step explanation:

    A glass tank is 25cm long, 20cm wide, 30cm high and contains water. The surface of the water is 5 cm below the top of the tank.

    Water tank is in the shape of cuboid:

    Volume of cuboid:

    l \times b \times h \\ \\

    After a solid metal spherical ball B1 has carefully been placed into the tank, the surface of the water is 3cm below the top of the tank.

    Change in height of water level after placing the spherical ball in it = 2 cm

    Volume of water raised = Volume of spherical Ball

    10.1) Calculate the volume of the ball

    answer:

    = 25 \times 20 \times 2 \\ \\ = 25 \times 40 \\ \\ volume \: of \: ball B1= 1000 \: {cm}^{3} \\

    10.2) Calculate the radius of the ball. Leave your answer in terms of \pi and a surd if necessary.

    answer:

    \frac{4}{3} \pi {r}^{3} = 1000 \\ \\ {r}^{3} = \frac{1000 \times 3}{4\pi} \\ \\ r = 10 \Bigg({ \frac{3}{4\pi} }\Bigg)^{ \frac{1}{3} } \: cm \\

    0
    2021-11-25T04:02:05+00:00

    Answer:

    ok..

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