Read the letter again. Answer the questions. 1 What time do students have to arrive in the morning? - id1711824820230401 от morgo19 01.04.2023 22:55

Question

Математика: Read the letter again. Answer the questions. 1 What time do students have to arrive in the morning? 2 What time do lessons start in the morning? 3 What time is the morning break? 4 is there a canteen? 5 Where is the shop? 6 How many lessons are there in the afternoon? 7 When is P.E.?​

morgo19 · Accepted Answer

1.
а)0,64
б) 7,8
2.
скоко кг фруктов продали ?
65%=0.65
240*0.65=156 (кг)
скоко кг фруктов осталось?
240-156=84 (кг)
ответ:осталось 84 кг
3.
48 % = 0,48
1) 850*0,48 = 408 (л.) - молока разлили в бидоны.
2) 850-408 = 442 (л.) - осталось.
ответ: 442 литров молока осталось в цистерне.
4.
v=25.2
a=3.5
b=1.6
c=?

V=abc => c=V/(ab)
c=25.2/(3.5*1.6)=4.5
ответ: 4,5 дм
5.
Объем прямоугольного параллелепипеда равен произведению трех его измерений, т. е. длины, ширины и высоты.

Зная объем, высоту и длину, можно найти ширину: 1,35 : (2,25 * 0,8) = 0,75 м
6.
а)2,5y+31+2,3y=67
2,5y+2,3y=67-31
4,8у=36
у=36:4,8
у=7,5
ответ: y=7,5

б)3,2х + 0,4х = 40 - 13
3,6х =27
х=7,5
ответ: х=7,5
7.
110+46=156 градусов
ответ:156
8.
если это треугольник( а это скорей всего так) то будет так: угол adb=180-120-34=26 градусов

Read the letter again. Answer the questions. 1 What time do students have to arrive in the morning?2 What time do lessons start in the morning?3 What time is the morning break?4 is there a canteen?5 Where is the shop?6 How many lessons are there in the afternoon?7 When is P.E.?​

MOGZ ответил

Read the letter again. Answer the questions. 1 What time do students have to arrive in the morning?
2 What time do lessons start in the morning?
3 What time is the morning break?
4 is there a canteen?
5 Where is the shop?
6 How many lessons are there in the afternoon?
7 When is P.E.?