Предмет: Математика, автор: Oscar239

Мама купила в магазине 4 кг вишни - по 3 ман кг и 5 кг абрикосов- по 4 ман. кг. Она сварила варенье из фруктов. Какова средняя цена 1 кг фруктовой смеси?​

Ответы

Автор ответа: zubareva1956
0

Ответ:

(4 + 3) \div (4 + 5) = \frac{7}{1} \div  \frac{9}{1} =  \frac{7}{9 } =     0.78 \: man.

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Task 1 (20 points).

Form adjectives from the words in brackets.



1) There are three ____________ (location) radio stations in operation covering this area.

2) ____________ (Fashion) hotels offer modern rooms and restaurants.

3) Korean athletes have ____________ (impression) potential.

4) Students must find five ____________ (grammar) errors in the text.

5) People often rely on analyses conducted by ____________ (science) experts.

6) The Government is providing ____________ (finance) support to low-income families.

7) A ____________ (humour) article about the conference was published in the magazine.

8) The President congratulated the delegation on this ____________ (history) occasion.

9) Who was this ____________ (history) film directed by?

10) Alex is the most ____________ (talk) student in his class.



Task 2 (8 points).

Match the situations on the left (1–4) with the appropriate expressions on the right (А–E). There is one extra option.

1. Someone is about to throw something away. А. You wait! I’ll get my own back on you one day!
2. Someone has done something very unkind to you and you want to take revenge. B. Your rudeness really gets me!
3. Someone is being very bad-tempered.

C. You got out of bed on the wrong side this morning.
4. Someone has been very impolite to one of your friends. D. Don’t get rid of that yet!
E. I don’t know how we’ll get by without you!
Task 3 (12 points).

Complete the sentences with the correct part of speech.



Ann ___________ walked away (angry / angrily).
Chris worked ___________ last year (hard / hardly).
If you are ___________ , put on your jacket (cold / coldly).
It started snowing ____________ and we went home (heavy / heavily).
Dave gets on ____________ with his cousins (good / well).
“Where is Alan?” “Somebody called him and he left ___________” (sudden / suddenly).
Mary looked ____________ with short hair (nice / nicely).
Students must keep ____________ during the lesson (silent / silently).
Our team won the match last Friday. The opposing team played __________(bad / badly).
Derek will be able to overcome it and live __________ (happy / happily).
Tom's watch is three minutes ____________ (slow / slowly).
Listen to your teacher ____________ (careful / carefully)!

Task 4 (28 points).

Complete the following phrases. Use the following prepositions: with, of, at, on, about, for. Make up 8 sentences with these phrases.

1) to be keen ________________

2) to be ready ________________

3) to be good ________________

4) to be crazy ________________

5) to be popular ________________

6) to be concentrated ________________

7) to be proud ________________

8) to be famous ________________
Предмет: Математика, автор: viktormotoliga