решите уравнение √x^2-x-3=3 - №19704749

решите уравнение √x^2-x-3=3
- Предмет:
  Алгебра
- Автор:
  annabel6tyw
- 5 лет назад

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Помогите, пожалуйста, очень прошу

I. Put in a or the where it necessary (5 points )

1. Would you like to be … doctor?

2. What … beautiful garden!

3. Rita is studying … English and … Maths this year.

4. It was … beautiful day, … sun shone brightly in … sky.

5. John went to … school last year.

II. Complete the sentences with the appropriate guestion tags ( 5 points )

1. He bought this car last year, … ?

2. This jacket doesn t suit me, … ?

3. We have not met his friend before, … ?

4. They can speak English, … ?

5. They had a really nice time in France, … ?

III. For the sentences below choose the right options ( 5 points )

1. He became successful … he had written his first novel.

before b) after c) while d) during

2. I visited … Paul nor Steve yesterday.

a) both b) nor c) neither d) to

3. Both of them … good at drawing.

a) are b) do c) is d)does

4. Do you know who … the telephone?

a) discovered b) explored c) invented d) decided

5. John finally managed … all the difficulties.

a) to cope b) to overcome c) to deal d) to reduce

IV. Form adjectives from the nouns and verbs using the suffixes( 8 points )

1 aggression -ive

2. enthusiasm -ic

3. rely -ful

4. cheer -ous

5. health -y

6. success -ing

7. change -able

8. attraction

V. Use the required verb forms in the following sentences ( 6 points )

1. Lets go for a walk. It ( not/rain) now.

2. Dad ( arrive ) in London tomorrow evening.

3. The weather is nice today, but it ( be ) bad yesterday.

4. He ( not/receive ) any letters from her this week.

5. When you rang me yesterday, I ( have ) a bath.

6. I ( play ) the guitar for five years.
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упростить выражение, используя степени: 2×2×3×3×3; 2×3×3×5×5×5; х×х×у×у×у; 3×3+5×5×5×5+7×7; (а+b)×(a+b); (a-b)×(a-b)
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- Автор:
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- 5 лет назад
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ПОСТРОЙТЕ ОТРЕЗОК DM длина которого 3см 8мм, отметьте на нем точку е и к так чтобы к лежала между D иE
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