Question

what should be subtracted from 2 and 50 so that the mean proportional between the two numbers, thus obtained, is 10​

Answer 1

Answer:

28 , 38, 7, 8

Let x be subtracted (27−x), (38−x), (7−x), (8−x)

So

(27−x)(7−x)=(38−x)(8−x)

189−27x−7x+x

2

=304−38x−8x+x

2

189−34x=304−46x

46x−34x=304−189

12x=115

x=

12

115

x=9.58

Step-by-step explanation:

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Answer 2

Answer:

Answer:

28 , 38, 7, 8

Let x be subtracted (27−x), (38−x), (7−x), (8−x)

So

(27−x)(7−x)=(38−x)(8−x)

189−27x−7x+x

2

=304−38x−8x+x

2

189−34x=304−46x

46x−34x=304−189

12x=115

x=

12

115

x=9.58

Step-by-step explanation:

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