Предмет: Геометрия, автор: laderoma1006

периметр трапеции равен 49 см, боковые стороны-5,6 см и 7,8 см. найдите основание трапеции, если одно из ни на 7,4 см больше другого

Ответы

Автор ответа: demabaikin16

1 основание= 3см
2 основание=10,4

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Алгебра, автор: danilkolesnikov0808

(b + 6) 2
a(3a2+ a)
(p2– pq +q2)(p + q)
(1-p)(p+1)
(n-3)(n-10)
срочно пж

6 лет назад

Предмет: Математика, автор: Аноним

Обчисліть зручним способом: а) 78^2 – 22^2; б) 9,5^2 – 8,5^2.

6 лет назад

Предмет: Английский язык, автор: Fox118711

ПОМОГИТЕ С ТЕСТОМ ПЛИЗ!!!
1. There ____________ any carpets on the floor.
A. isn't
B. aren't
C. are
D. do

2. There _______ some _______ in these ________.

A. is/mice/boxes
B. are/mouses/boxes
C. are/mice/boxes
D. aren't/ mice/ boxes

3. My brother ______ a doctor. He ________ in Moscow this month. He really _____ his job.

A. is/is living/likes
B. does/is living/likes
C. does/lives/like
D. is/doesn't live/likes

4. _____ there _____ people in the shop? - Yes, there _____ 7 people.

A. Do/any/are
B. Are/some/are
C. Are/any/are
D. Is/some/is

5. Who ____ ______ studets in that classroom?

A. is/those
B. are/those
C. are/these
D. are/that

6. He really enjoys ________ photos.

A. take
B. to take
C. taking
D. takeing

7. Who ______ to answer this question?

A. want
B. to want
C. wants
D. is wanting

8. There _____ _______ _______ in my room.

A. are/any/shelves
B. are/some/shelfs
C. are/any/shelves
D. are/some/shelves

9. ________ and _______, we _____ ready to start!

A. Ladys/gentlemen/are
B. Ladies/gentlemans/are
C. Ladies/ gentlemen/are
D. Ladys/ gentlemen/is

10. How many ______ are _____ in their family?

A. babies/there
B. babys/that
C. babies/those
D. babies/they

11. Who ____ your favoutite actress?

A. are
B. is
C. do
D. does

12. I don't like _________ early.

A. get up
B. to get up
C. geting up
D. getting up

13. _____ are really dangerious.

A. Wolfs
B. Wolves
C. Wolvs
D. Wolfes

14. I've got some ______ in my aquarium. One of them is red. And another one is yellow.

A. fish
B. fishs
C. fishes
D. fishess

15. ____ you like these shoes? - No, I like _____ shoes on that shelf! Can you see them?

A. Do/those
B. Do/these
C. Are/those
D. Are/these

16. Let's go to the cinema tomorrow? - Sorry, I can't. I _______ my doctor.

A. visit
B. visits
C. am visiting
D. is visiting

17. Why ___ you ______ online this week?

A. do/study
B. are/studying
C. are/studing
D. do/studying

18. We never ______ bread in this supermarket.

A. buy
B. buys
C. don't buy
D. buying

19. Why _____ you crying?

A. do
B. is
C. are
D. does

20. Where _____ he from?

A. are
B. is
C. do
D. does

21. She _____ _______ in English.

A. enjoy/reading
B. engoy/read
C. is enjoyng/reading
D. enjoys/ reading

22. ____ you siblings? - No, we are _______.

A. Are/ cousin
B. Are/ cousins
C. Is/ cousin
D. Is/ cousins

23. I don't undestand _____ rule. _____ you help me?

A. those/ can
B. these/ can
C. this/ do
D. this/ can

24. What ____ you into? - I really _____ skating.

A. are/enjoys
B. is/ enjoy
C. are/enjoy
D. are/ enjoying

25. What ____ you _____ today?!

A. are/wear
B. do/ wear
C. are/ wearing
D. does/ wear

6 лет назад

Предмет: Математика, автор: Azizabonu

Помогите пожалуйста СРОЧНО!!! Найдите х, если среднее арифметическое чисел 18,6; 15,9
и л: равно 17,1.

9 лет назад

Предмет: Математика, автор: Аноним

2)1,2(у-2)+0,8у;
4)9,6(2+х)+0,4х;
6)1,7(4+у)+1,8у;

9 лет назад