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помогите пожалуйста СРОЧНО!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Упростите выражения
1. 25а – 17а = 8 или 8a
2. 18 b+ 24b = 42 или 42b
3. а + 32a = 33а или 33
4. 40х – х = 39 или 39х
5. Представьте произведение 25х в виде суммы двух слагаемых, одно из которых равно 12х = 12х + 13 + х или (12 +13)х или 12х + 13х
6. Решите уравнение 9с – с = 104 = 13 или 14
7. Найдите значение выражения 64х + 36х, если х = 183 = 1830 или 18300 или 283-
Предмет:
Математика -
Автор:
katie - 5 лет назад
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Ответы 2
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Если можно,с решением пожалуйста.
1.)Вычислите значение выражения (-7 + 2,5) : 1,5 ?
2.)Упростите выражение 9y-5 (3+y)
3.)Чему равна абсцисса вершины параболы y=-2x ^2 + 12x?
4.)Какая из приведенных пар чисел является решением уравнения 7x-4y = 2
5.)Найдите область определения функции y = √x + 3-
Предмет:
Математика -
Автор:
aquiles - 5 лет назад
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Ответов:
5 -
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Exercise 7
Choose the correct form.
1) If we had closed / closed / have closed the window yesterday, it would not have been / were not / had not been so cold in here.
2) If the lady have not stopped / had not stopped / has not stopped the boy, he could have ran / would have run / has run into the van.
3) The dog had not attacked / would not have attacked / will not attack you if you hadn't teased / had not tease / have not teased it.
4) If they had buyed / had bought / has bought a new tent, they would not got / had not gotten / might not have got wet during the night.
5) The computer had not crashed / crashed not / might not have crashed so often if Larry tested / had tested / have tested it.
6) If she told / had told / tells me, I will collect / would collect / would have collected her from the airport.
7) Your friends hadn't laughed / wouldn't have laughed / won't laugh about you if you have combed / 'd combed / 's combed your hair.
8) If the men had recharged / 'd recharge / recharged the batteries, they will have had / would have had / would had enough power for their laptop.
9) He 'd have caught / would caught / should caught the plane if he has hurried / 'd hurried / 'd have hurried. .
10) If you turned / 'd turned / have turned down the volume of your stereo, the neighbours would not have complained / complained / ‘s not complained.
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Предмет:
Английский язык -
Автор:
oscar95 - 5 лет назад
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Ответов:
0 -
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Помогите срочно!!!
Where 1) ............... (be) you yesterday afternoon? | 2) ... ..... (call) you all afternoon but there 3) ............,.... ..... (be) no answer. B: I a) (be) at home but You 5) .............. .. (probably/ring) me when | 6) ............... (rake) the leaves outside in the garden. WhY? A: I 7) . (finish) all mY errands and I 8) ....................... (think) we could see a film. 3 A: How long 1) (You/live) in Sydney before You 2) (move) back to London? B: We 3) .............. .. (live) in Sydney for ten years when the company that Richard 4) ...................... (work) for 5) (offer) him a position at the London office. A: 6) ......... ....... (you/want) to come back to London? B: Yes. We 7) ... . (be) both excited about coming home so Richard 8) ................ (accept) the job immediatelY.-
Предмет:
Английский язык -
Автор:
aylinwall - 5 лет назад
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Ответов:
0 -
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Скорость лодки по течению равна 6 км/ч, а против течения - 4 км/ч. Найдите скорость течения и собственную скорость лодки.
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Предмет:
Математика -
Автор:
ashley26 - 5 лет назад
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Ответов:
1 -
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