Предмет: Математика, автор: rstahiv76

математика 8 клас!!!!!!!

Приложения:

Ответы

Автор ответа: annarud5

1

Ответ:

В)2t^2 -3t+1=0

Автор ответа: Маряруся

2

$2x^{4} -3x^{2} +1=0\\x^{2} = t\\2t^{2} -3t+1=0$

Ответ: В). $2t^{2} -3t+1=0$

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: anyabolshova1

Put the verbs in brackets in their correct formsplsy fine
1) They ... (to go) to the cinema if the weather ... (to be) fine
2) When it (to stop) snowing, we ... (to plsy) in the park.
3) Cindy ... (to read) the book when she ... (to do) her homework.
4) If my sister ... (to come) early, we ... (to watch) TV together.
5) Pam ... (to visit) her cousin when the lessons ... (to be) over.

2 года назад

Предмет: Английский язык, автор: kushnirlilia

Пожалуста срочно надо ! Прошу вас...
Put the verbs in brackets into the correct tense.
Dear Janet,
I    .. (to write) to you from Vienna. My family and I ...
(to come) here a week ago. We ... (to stay) in a comfortable
hotel in the centre of the city. The weather... (to be) fine.
We ... (to do) the sightseeing. We ...
(already to be) to St Stephen’s Cathedral and some palaces. I ..
(to take) some photos of them. They    (to be) so beautiful!
Yesterday we... (to try) some local dishes. They al..l
(to be) delicious, especially the cakes. Tomorrow we ...    (to go)
to a concert of Strauss’ music. You know my mum .. (to be)
fond of waltzes. We ... (not to do) the shopping yet, but I hope
we ... (to have) enough time for it.
Love,
Helen

2 года назад

Предмет: Английский язык, автор: Аноним

Пожалуйста заполнить предлогы 1I like to fly...plane.Did you buy the tickets...the railway station?-No,I didn't.I bought them...the airport.

2 года назад

Предмет: Физика, автор: JamMiller

Вычислите силу тяжести и вес, действующие на ящик массой 200г.

9 лет назад

Предмет: Математика, автор: бек2009

по рисунку составьте задачу и решите ее : 36метр 24 метр использовали-20

9 лет назад