Предмет: Алгебра, автор: Vladosik567

Заполни пропуск, подобрав одночлен так, чтобы трёхчлен можно было представить в виде квадрата двучлена.
t^2+ _ +64

Ответы

Автор ответа: Dillrez
1

Ответ:

16t, формула: (a + b)² = a² + 2ab + b²

a² = t², a = t;

b² = 64, b = 8;

2 × 8 × t = 16t

Объяснение:

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Физика, автор: zvarunrostik
7. Скільки часу триватиме хромування сталевої деталі при силі струму 16 А, якщо площа поверхні деталі 400 см², а товщина покриття має бути 36 мкм?​
1 год назад
Предмет: Алгебра, автор: tarasikkondratev
4 ПИТАННЯ Знайти точку перетину графіків лінійних функцій у = - 3x +5 i y = 4х-9​
1 год назад
Предмет: Математика, автор: andreyventura777
Помогите пожалуйста даю 100 баллов ​
1 год назад
Предмет: Английский язык, автор: maaaanx87
помогите с английским, не перевод, заранее спасибо
1. Complete the sentences with the wordscome true, endangered species, relieved, miss out on, freeze, tiny, respond, coastguard

1. It was so cold outside that my lips might ……..to my teeth.

2. The entering an university is another one of his doubtless predictions that will never…

3. The team the last game and ….. the chance to participate in the championship.

4. The teacher asked if anyonewould care to ……. to the last question.

5. The woman was ……. to see the children hadn’t got any harm.

6. If you see a boat in trouble you should contact the …… immediately.

7. You think that you are a …..body, while the great universe is enfolded in you.

8. The lizards are classed as an …….



2. Open the brackets to form conditionals.

1. Michael would not agree even if you (to ask) ____________ him.

2. If they (mention) __________ this yesterday, everything would have been done.

3. If I (to find) __________ that letter, I’ll show it to you.

4. Would they come if we (to invite) __________them?

5. The teacher said, “I’ll begin the lesson ifyou _____________ (stop) talking.”

6. If the plane had left on time, they _____________ (be) in Minsk yesterday.

7. If they walk 40 km, they _____________ (not / be) exhausted.

8. What would have become of us, if I _______ (come) to you then!'

9. What is the answer if you (add) _______ 17 to 75?

10. The evening will be fine, if only we ________ (not have) a storm.



3. Choose the correct modals.

1. You … (must not/needn’t) read in the dark.

2. My grandfather is retired, so he … (shouldn’t/doesn’t have to) go to work.

3. The fridge is full, so we … (must not/needn’t) go shopping.

4. Our employees … (can/must) sign this agreement.

5. We … (may/ought to) reserve a table in advance if we want to have dinner there.

6. I … (can’t/needn’t) believe it! You … (have to/must) be joking.

7. Ann … (must/is to) finish school next year.

8. Sorry, I’m late. I … (needed to/had to) wait for the plumber.

9. What time do we … (should/have to) be at the railway station?

10. Don’t wait for me tonight. I … (might/must) be late.



4. Complete the gaps with the correct particle (back, out of, up with, on, off)

1. Could you keep that thing …… for me?

2. She kept …..watching for children.

3. An apple won’t keep …..your hunger.

4. It’s difficult to keep …..the best companies, but the result deserves efforts.

5. We kept …..their problems.



5. Match to form exchanges.

1. What service do you require?

2. Is your address 84 Oxford Street?

3. There’s been an accident at the supermarket. Please, send help!

4. What’s the matter? Where are you rushing?

5. Coastguard. How can I help you? A Yes, that’s right.

B My mum fell down the stairs.

C Sorry, I dialed the wrong number.

D An ambulance will be there as soon as possible.

E The Fire deparement, please.



​
6 лет назад
Предмет: Химия, автор: PichaCool
Напишите уравнения реакций , при помощи которых можно осуществить следующие превращения :
F e (NO3)3 → Fe (OH)3 → Fe2O3 → Fe → FeCl2
6 лет назад