Перейти к выбору ответа 12.04.2022Помогите рашить задачу x^2+15x-100=0 Выбрать другой вопрос Смотреть ответ Перейти к выбору ответа Алгебра Ответ учителя по предмету Алгебра Ответ: x^2+15x-100=0 D=(15)^2+100*4*1=625 x1=(-15+25)/2=5 x2=-40/2=-20 Ответ: x1=5 x2=-20 Проверка: x1=5 (5)^2+15*5-100=0 25+75-100=0 верно, x2=-20 тоже верно.
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Rewrite the following sentences. How else can you express the following?
Example:
Can I have a final check, please? — May/Could/Might I have a final check, please?
1.Let`s go for a field trip.
2.Steve might be on holiday.
3.Could you pass me that highlighter,please?
4.My younger sister couldn`t read until last year.
5. You can`t speakat thelessons.
6. Bill hasbeen scheduled to take you around our school.
7. Shall we participate in the football match?
8. Is it possible that Mark will be included into our project group?
9. We should go to the school library today.
10.Would you mind sitting at thefront desk?
11. Would you like me to make a report?
12.You ust hand in your compositions in two weeks.
13.She`ll be preparing her homework, I`m sure.
14. The schoolchildren are expected to be at school on time.
15. I`m sure Susan`s application form will beaccepted.
16.I`m sure Jack didn`t read that story up to the end.
17.It`s possible that a new school will be built in the neighbourhood.