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LenaWriter [7]
3 years ago
11

Anumber is decreased by 55% to 54. What is the originally amount

Mathematics
1 answer:
harina [27]3 years ago
7 0

Answer:

1.8181818181818181818181818181818

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Step-by-step explanation:

I think the only way you can solve this is to assume that <R means PRT in the given ratio. If I am wrong, I don't think the problem can be solved.

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Here comes your answer

=================

<MRD + MRT = 90

<MRD + 45 = 90

<MRD = 45

====================

Note: you must ignore everything to do with the diagram. It is not drawn to scale and the letters are not the same as in the question. The only thing you use is that the figure is a ||gm

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By default, we know that the volume of a cube is given as s³

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Then we go ahead and substitute all the given parameters

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dV/dt = 2160 cm³/hour

This means that the volume decreases by a rate of 2160 cm³/hour at the instant its edge is 60 cm

7 0
2 years ago
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