Ответ по предмету Алгебра: запишите квадратное уравнение ax^2 +bx+c=0,если известны его коэффициенты b=5;c=-4;a=1

Предмет: Математика, автор: KkgcdBylahgdbq

Решите задачу пожалуйста - один насос может откачать 70 т воды за 35 часов , а другой - за 14 часов . Ща какое насосы могут откачать это количество воды , работая одновременно ?

1 год назад

Предмет: Английский язык, автор: trinadh

2. I am going travelling _____ myself.
a. on
b. from
c. by
d. with

4. Is Susan in the garden? Yes, _____ is.
a. it
b. she
c. those
d. they

5. Which language _____ in Austria?
a. should they speak
b. do they speak
c. are they speaking
d. do they talk

6. The bathroom is _____ the first floor.
a. on
b. in
c. of
d. up

7. The hotel _____ room service.
a. have not
b. doesn't have
c. don't have
d. has not

10. _____ the afternoon we could go for a walk.
a. On
b. Of
c. From
d. In

12. What _____ for dinner? - Pasta, please.
a. could you like
b. have you like
c. would you like
d. does you like

13. The meeting will begin _____ nine in the morning. Please don't _____ late.
a. at / by
b. on / be
c. on / by
d. at / be

16. What time are we _____ Grandma's house tomorrow?
a. to go
b. going to
c. going for
d. going

17. You _____ when you have finished writing that report.
a. can left
b. can leaves
c. can leaving
d. can leave

18. The person _____ lives next door is on holiday.
a. where
b. he
c. which
d. who

21. Where is the post office? It is _____ there.
a. by
b. from
c. over
d. at

25. I hope _____ rain tomorrow.
a. it doesn't
b. it not
c. it don't
d. why

28. The letter _____ this morning.
a. have been delivered
b. has delivered
c. will be delivering
d. was delivered

35. He is a friend _____.
a. of mine
b. of my
c. of me
d. from me
40. I wish I _____ more time.
a. has
b. have
c. haven't
d. had

41. I would travel more if it _____so expensive.
a. didn't
b. doesn't
c. isn't
d. wasn't

51. Make sure that this information is kept strictly _____.
a. confident
b. confide
c. confidential
d. confidence

52. Are you sure that you _____ all the questions on the exam this morning.
a. answered
b. to answer
c. had answered
d. are answering

56. There _____ a mistake in your calculations.
a. could appear
b. is made
c. appears to be
d. make

58. It is always nice _____ you.
a. to hearing from
b. hearing of
c. to hear of
d. to hear from

59. We would appreciate your _____ attention during the seminar.
a. complete
b. completely
c. completing
d. completed

60. If there is anything we can help you with; please _____.
a. you let us know
b. let us be known
c. let us know
d. be letting us know

62. Time and money are both major _____.
a. budgets
b. fictions
c. findings
d. factors

63. I set myself _____, but I think it is good to be ambitious.
a. top targets
b. high standards
c. obvious goals
d. great objectives

65. The details of last week's meeting were recorded in the _____.
a. memos
b. minutes
c. folders
d. files

68. The business was operating on a very tight _____.
a. funds
b. policy
c. budget
d. lending

69. The bank asked for _____ because of the risks involved.
a. credit
b. collateral
c. bonus
d. loan

70. She considered all her options before making the _____.
a. investment
b. liabilities
c. assets
d. funding

71. She _____ half her salary to charity.
a. permitted
b. credited
c. donated
d. allowed

72. Banks charge _____ on their loans.
a. funds
b. interests
c. commissions
d. interest

73. He needed to go to the bank to make a _____.
a. loan
b. deposit
c. accounts
d. credit

1 год назад

Предмет: Алгебра, автор: dasdffafa

ПРЕДСТАВЬТЕ МНОГОЧЛЕН В ВИДЕ ПРОИЗВЕДЕНИЯ
1)X\2-2X 2)3Y\3+15Y 3)6Z\3-2Z\5

1)AX-3A+BX-3B 2)X\2-AX+BX-AB

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Помогите решить пожалуйста!!!

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оксидом калия
оскидом алюминия

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запишите квадратное уравнение ax^2 +bx+c=0,если известны его коэффициенты b=5;c=-4;a=1​

Ответы

запишите квадратное уравнение ax^2 +bx+c=0,если известны его коэффициенты b=5;c=-4;a=1