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2 years ago

Find two numbers if their ratio is 9:11 and their and their difference is 6

Mathematics

2 answers:

kow [346]2 years ago

5 0

Answer:

27:33

Step-by-step explanation:

Elden [556K]2 years ago

3 0

Answer:

-27 & -33 or 27 & 33

Step-by-step explanation:

Let the numbers are 9x and 11x.

Their difference is 6:

1. 9x - 11x = 6 ⇒ -2x = 6 ⇒ x = -3

The numbers are -27 and -33

2. 11x - 9x = 6 ⇒ 2x = 6 ⇒ x = 3

The numbers are 27 and 33

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In a right triangle abc, cd is an altitude, such that ad=bc. Find ac, if ab=3 cm, and cd= square root 2 cm.

Mashcka [7]

ΔACB ΔCDA

AC² + BC² = AB² AD² + CD² = AC²

BC² = AB² - AC² BC² + CD² = AC² (AD=BC is given)

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AB² + CD² = 2AC²

(3)² + (√2)² = 2AC² (AB=3 and CD=√2 were given)

9 + 2 = 2AC²

11 = 2AC²

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7 0

3 years ago

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snow_lady [41]

Te answer would be q/2, or C. if you need further details dm me

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3 years ago

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asambeis [7]

Answer:

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Step-by-step explanation:

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3 years ago

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zavuch27 [327]

Answer:

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Step-by-step explanation:

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2 years ago

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mariarad [96]

Answer:

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Step-by-step explanation:

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