Предмет: Математика, автор: runov01

Для пошива 6 палаток требуется 120м брезента шириной 1,2м. Сколько метров брезента шириной 0,9м нужно для пошива 4 таких же палаток?(ответ один из этих ответов 96 м 103целых две третих  м 60 м 82целых две девятых м заранее спасибо 

Ответы

Автор ответа: milan175
0
1) 120:6=20м брезента требуется для пошива одной палатки шириной 1,2м
2) 20·1,2=24 м² - требуется брезента для пошива 1палатки
3) 24·4=96м² - требуется для пошива 4 палаток
4) 96:0,9=960/9=106 6/9=106 2/3 м - требуется брезента для пошива 4 палаток шириной 0,9м
Автор ответа: runov01
0
спасибо большое
Автор ответа: milan175
0
пожалуйста
Похожие вопросы
Предмет: Английский язык, автор: Zhannany
Помогите пожалуйста! завтра уже сдавать!

1.Complete the sentences.
• full • sparkling • grated • fried • teaspoonfuls • loaf • ingredients • slice
1) I put two _______________ of sugar in my coffee.
2) Have you _______________ the carrots?
3) I’d like to drink a glass of ______________water.
4) I’ve forgotten to buy a _____________of brown bread.
5) You should add another ________________ of ham to the dish.
6) I don’t like boiled eggs, I prefer them _______________.
7) My mum uses only fresh __________________ in her cooking.
8) The portions were huge, so I was really _______ when we finished our meal.

2 Choose the correct word.
1) Billiard [is/ are] my brother’s favourite game.
2) [These / This] shorts are too shabby.
3) The food [was / were] delicious.
4) Knowledge [is / are] power.
5) The scales [are / is] on the floor. Look!
6) Seventy pounds [is / are] too much to pay for jeans.
7) This equipment [is / are] still in a good condition.

3 Choose the correct item.
1) I ____________________ five countries.
have already visited
visited
have been visiting
2) My mother ______________ a wonderful coat yesterday.
bought
has bought
has been buying
3) Mary ___________________ since morning.
has been shopping
shopped
has shopped
4) Larry and May ___________________ each other for two years already.
have been knowing
have known
knew
5) I ___________________ money for travelling abroad for a year.
saved
have saved
have been saving

4. Choose the correct variant
1) Maria plays [the/ a/ -] piano really well.
2) They have English twice [a/ the/ -] week.
3) Sorry, I can`t come to your birthday party. I`ve got [a/ the/ -] really bad cold.
4) My cousin moved to [the/ a/ -] Netherlands last year.
5) [A / The/ -] Madagascar is a big island that is next to [-/ the/ a] Africa
6) [The/ A/ -] Bahamas is a group of islands in the Pacific Ocean.
7) [- /A / The] Hyde Park is a wonderful place in London where you can enjoy the nature and relax.
8) We live next to [the/ - / a]