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Куколка111
Куколка111
25.07.2020 08:19 •  Математика

Найти неизвестнок число: а)а-37=96 б)14*а=98

👇
Ответ:
Latimel
Latimel
25.07.2020
А) a-37=96
a=96+37
a=133

б) 14*a=98
a=98/14
a=7
4,8(99 оценок)
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Ответ:
tseng7788
tseng7788
25.07.2020

Пошаговое объяснение:

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4,6(44 оценок)
Ответ:
kakaxa6
kakaxa6
25.07.2020

Об'єм зміниться у 27 разів.

Формула для знаходження об'єму така: V=abc, де V- об'єм, a, b, c - ребра прямокутного паралелепіпеда .

Якщо кожне ребро збільшити в три рази, то V₂=3a*3b*3c=3³abc=27abc

\frac{V_{2}}{V} = \frac{27abc}{abc} =27

V

V

2

=

abc

27abc

=27

Отже об'єм другого прямокутного паралелепіпеда більший від об'єму першого прямокутного паралелепіпеда в 27 разів.

Взагалі якщо всі ребра прямокутного паралелепіпеда збільшити на будь яке число,то об'єм збільшиться на це число в кубі (тричі перемножене саме на себе)

4,5(36 оценок)
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