Вопрос школьника по предмету Алгебра
Решением неравенства 3х+8<2 является множество
1)(-2;+ бесконечность)
2) (-4;+ бесконечность)
3) (-бесконечность;-2)
4)(-бесконечность ;-4)
2. Укажите число удовлетворяющее системе неравенств {3х<17,
{2х+1>3.
1) 3
2)5,5
3)0
4)-1
Ответ учителя по предмету Алгебра
1. 3)
2. 1) и 2). Оба ответа подходят
Похожие вопросы от пользователей
Carol: I feel terrible!
Asel: Oh,no!What`s wrong?
Carol: I`ve got a cold. A really bad cold. I zneeze all
the time and my temperature is 39 degrees. I
can`t read.I just feel terrible.
Asel: Poor you.Did you take aspirin?
Carol: Yes. I take four aspirins a day.But I still feel terrible.
Asel: I can tell you what to do.Take a lemon, and some honey, and
some hot water.Mix it together.Drink it when it is very hot.Do that six
times a day and you will feel better.And keep warm!
are the sentences true t or false f correct the false sentences
a) Asel is well
b) Carol feels very bad
c)Carol has a high temperature
d)Carol takes pills for her cold
e) Asel thinks Carol should keep warm
f)Honey and lemon is good for a cold
g) Asel thinks Carol should take some
cold water