Найдите неизвестное значение x из пропорции : 1) 5 : x=4 : 7; 2) 5 : 4 = 2x : 13; 3)2:3=11: (x+3). Created by zauryadnaya. geometriya-ru

Найдите неизвестное значение x из пропорции : 1) 5 : x=4 : 7; 2) 5 : 4 = 2x : 13...

July 2022 1 8 Report

Найдите неизвестное значение x из пропорции : 1) 5 : x=4 : 7; 2) 5 : 4 = 2x : 13; 3)2:3=11: (x+3)

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OblivionFire

1)5:х=4:7;5/x=4/7;5*7=4x;35=4x;4x=35;x=35:4;x=8,75;2)5:4=2x:13;5/4=(2x)/13;5*13=4*2x;65=8x;8x=65;x=65:8;x=8,125;3)2:3=11:(x+3);2/3=11/(x+3);2*(x+3)=11*3;2*(x+3)=33;2x+6=33;2x=33-6;2x=27;x=27:2;x=13,5.

2 votes Thanks 1

32 cos a 64b592b22f23c

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zauryadnaya July 2023 | 0 Ответы

2.Complete the sentences with affirmative and negative forms of will and be going to. Which sentences are plans and which

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zauryadnaya July 2023 | 0 Ответы

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32 cos a 64b592b22f23c

2.Complete the sentences with affirmative and negative forms of will and be going to. Which sentences are plans and which

a20c b a7103 b3793 c

a13 b9 c7

a13 b10 c16

305acf67df283b867e593ade0d6a2be4

1 2 64959ef19a66f

5ff089c0b345cefa2505cea6b1ea0840

1 2 3 648ddcac86af5

1d15e29e48fe9b1fedb21bb854452386

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