решить уравнение (5-х)²=1 - №24769149

решить уравнение (5-х)²=1
- Предмет:
  Математика
- Автор:
  baileepsel
- 5 лет назад

Ответы 1

(5-х)^2=15-х=+-15-х=15-х=-1х=4х=6Ответ: х1= 4; х2= 6
- Автор:
  angel527
- 5 лет назад
- 0
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ПОМОГИТЕ!!!6 класс,английский язык!
сложностей с заданием возникнуть не должно,но я тупой(очень)
Ответы записывать кратко.

Vocabulary and Grammar
A Choose the correct item

1 Brendan has got a brother.
A double B twice C twin 16 How some pizza?
A like B many C about
2 It's my birthday 5th August.
A at B in C on 17 We go on a school once a year
A travel B journey C trip
3 The is in the kitchen.
A bathtub B fridge C bookcase 18 They often camping at the weekend
A do B play C go
4 There is food in the cupboard.
A any B a C some 19 Chess and backgammon are both ............games
A table B bored C board
5 June is the month of the year.
A sixth B six C sixteen 20 We were afraid to swim in the ............... river
A polluted B deserted C clean
6 They usually go to school foot.
A in B on C by 21 Did they ................... home early last night?
A arrived B arrives C arrive
7 I can drive a car but I fly a plane.
A don't know B can't C can to 22 I at the door but no one answered.
A knocked B hit C rang
8 Wear your coat, scarf and gloves. It's .......... cold.
A freezing B boiling C pouring 23 We met ten years............................
A gone B ago C past
9 Watch........! There's a motorbike coming.
A up B out C over 24 Be quiet! You make noise.
A mustn't B must C can
10 Do you your teeth every day?
A wash B brush C do 25 I'm not ....................... to go to the cinema tonight.
A will B would C going
11 Does he history at school?
A teaches b teach C teaching 26 We had a nice picnic in the.................
A restaurant B stadium C park
12 John is very worried his son.
A at B about C of 27 A lion is than an elephant.
A smaller B smallest C small
13 Frank .................... his homework at the moment.
A is making B is doing C does 28 Jim does bodybuilding at the sports.....................
A place B room C centre
14 On Christmas Day, we all gifts.
A transfer B exchange C change 29 What are the of the game?
A laws B rules C guides
15 Let's watch the firework
A display B show C programme 30 You're on holiday. You ....................... wake up early.
A have to B needn't C mustn't

Everyday English
B Choose the correct response.

e.g. How about Thursday then?
a I'm OK.
b I'm afraid I can't.
33 Would you like anything to drink?
a A glass of juice, please.
b Yes. I'd like a fruit salad, please.
31 Let's do something tonight!
a Like what?
b I'm sorry.
34 Could I have your name, please?
a Yes. It's Brown - Mr T Brown.
b Thank you, Mr Brown.
32 Can I have the menu?
a Here you are, sir.
b No, I'm on a diet. 35 How do you like the fireworks?
a Yes, they are.
b They're brilliant.

Reading
C Read the email and mark the sentences T (true), F (false) or DS (doesn't sav).

From: Sharon
To: Tamara

Dear Tamara,
Thanks for the birthday card! I'm really looking forward to the weekend. I'm going to have a party on Saturday night.
Mum and I are going to go shopping on Saturday morning. We want to buy some food and decorations for the party. Mum's going to make her special pizza and a birthday cake. I am going to make sandwiches. In afternoon, my brother is going to help me decorate the house with streamers. Then, I'm going to plan the music for the party. On Sunday morning, I'm going to help my Mum clean-up.
Well, I think it's going to be a great party. How are you going to spend your weekend? Write soon.
Love,
Sharon.

e.g. Sharon got a birthday card from Tamara. T

36 Sharon's birthday is on Saturday. ........
37 They are going to go buy a birthday cake. ........
38 Sharon is going to decorate the house in the afternoon. ........
39 Sharon doesn't like rock music. ........
40 The party is going to finish on Sunday morning. ........
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