№1
а) (-0,75; 2,75)
б) (0,1875; -5,25)
№2
б) n=2/3, m=1/3
в) z=3. y=-0.6
6m-9n=-4
2m+5n=4 / * -3
6m-9n=-4
-6m-15n=-12
способ сложения
-9n-15n=-4-12
-24n=-16
n=2/3
2m+5n=4
2m+5*2/3=4
m=1/3
б) 5y+8z=21 / * -2
10y-3z=-15
-10y-16z=-42
10y-3z=-15
способ сложения
-16z-3z=-42-15
-19z=-57
z=3
5y+8z=21
5y+8*3=21
5y=21-24
5y=-3
y=-0.6
1) suddenly mr. bunting felt anything take hold of the back of his neck.
did mr. bunting suddenly feel anything take hold of the back of his neck?
did mr. bunting suddenly feel anything take hold of the back of his neck or his arms?
suddenly mr. bunting felt anything take hold of the back of his neck, didn't he?
who felt suddenly anything take hold of the back of the neck?
what did mr. bunting feel?
2) he was unable to lift his head.
was he unable to lift his head?
was he unable to lift his head or neck?
he was unable to lift his head, wasn't he?
who was unable to lift his head?
what was he unable to lift?
3) mr.bunting looked at cuss, whose face had turned white with fear.
did mr.bunting look at cuss, whose face had turned white with fear?
did mr.bunting or mr.brown look at cuss, whose face had turned white with fear?
mr bunting looked at cuss, whose face had turned white with fear, didn't he?
who looked at cuss?
whom did mr.bunting look at?
Поделитесь своими знаниями, ответьте на вопрос:
2. We used to live with my dad’s parents, but now we have our own home. – Мы жили с родителями моего отца, но теперь у нас есть свой дом.
3. My sister and I didn’t use to like each other, but now we are good friends. — Моя сестра и я не любили друг друга, но теперь мы хорошие друзья.
4. Now I am good at English, but I used to be very bad at it. — Теперь я хорошо владею английским языком, но я была очень плоха в нем.