3 years ago

HELP DUE IN 5 MINUTES

Mathematics

1 answer:

Dafna1 [17]3 years ago

7 0

Answer:

100C=m

Step-by-step explanation:

If 250 copies are made in 2.5 minutes, you get the equation:

250c=2.5m

divide by 2.5 on both sides and you get:

100c=m

So in m minutes, 100c copies are made.

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A hollow cubical box is 0.30 m on an edge. this box is floating in a lake with one-third of its height beneath the surface. the

sasho [114]

Given hollow cubical box of side 0.30 m=3 dM
volume V=3^3=27 dm^3 = 27 L

Weight of box
= weight of (fresh) water (1 kg/L) displaced
= V/3 = 9 L of water = 9 kg

When water is filled so that the total weight of water equals the weight of volume of box, the top rim of the box will be at water level.

Remaining volume = 27-9=18L
height of 18L of water when water rushes in
= 18/(3^2) = 2 dm (=0.2m)

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Answer:

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Step-by-step explanation:

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