Ответ:
x = 5/6
P = 10 1/3 м
Пошаговое объяснение:
4. 7x - 4 2/3 = 1 1/6
7x = 1 1/6 + 4 2/3
7x = 7/6 + 14/3
7x = 7/6 + 28/6
7x = 35/6
x = 35/6 : 7/1
x = 35/6 * 1/7
x = 35/42
===================
P (прямоуг) = 2a + 2b
a = 3 1/2 м
b = 1 2/3 м
3 1/2 * 2 = 6 2/2 = 7 м
1 2/3 * 2 = 2 4/3 = 3 1/3 м
P = 7 + 3 1/3 = 10 1/3 м
=====================
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
x = 5/6
P = 10 1/3 м
Пошаговое объяснение:
4. 7x - 4 2/3 = 1 1/6
7x = 1 1/6 + 4 2/3
7x = 7/6 + 14/3
7x = 7/6 + 28/6
7x = 35/6
x = 35/6 : 7/1
x = 35/6 * 1/7
x = 35/42
x = 5/6
===================
P (прямоуг) = 2a + 2b
a = 3 1/2 м
b = 1 2/3 м
3 1/2 * 2 = 6 2/2 = 7 м
1 2/3 * 2 = 2 4/3 = 3 1/3 м
P = 7 + 3 1/3 = 10 1/3 м
=====================