Предмет: Математика, автор: Аноним

4. Длина прямоугольника 13 см, ширина - 8 cm.
Стороны этого прямоугольника увеличили на
7 cm.
ст. Найди периметр полученного прямоугольника​

Ответы

Автор ответа: TvojReshala
1

Ответ:

Новая длина = 13 см + 2 * 7 см = 27 см

Новая ширина = 8 см + 2 * 7 см = 22 см Новый периметр = 2 * (27 см + 22 см) = 92

см

alexandervklyuchniko: неправильно
Автор ответа: alexandervklyuchniko
2

Ответ:

P = 2(ab)

P = 2(20 * 15)

P = 600 cm

Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Українська мова, автор: Vikysik2308
3. У якому реченні наявна метонімія?
а) Виплива на сині ріки Ясен вечір іздаля (М. Рильський);
б) Знов весна, і знов надії В серці хворім оживають, знов мене колишуть мрії, сни про щастя навівають (Леся Українка);
в) Село готувалося до великого, ще небувалого свята (У. Самчук);
г) Солодкі солов’ї там плачуть і сміються, і місяць слухає кохання
срібний сміх (В. Сосюра).
1 год назад
Предмет: Математика, автор: vv3748852
срочно!!!
ответить просто букву!!!
1 год назад
Предмет: Биология, автор: saadatakimjanova
Какое повреждение можно заподозрить, если при пальпации ключицы обнаружено наличие крепитации : ​
1 год назад
Предмет: Английский язык, автор: сэм2002
(1)
1)Tom ___ like chocolate ice cream.
doesn't
don't
2) They like coffee, they ___ like tea.
doesn't
don't
3) I have a television, but I ___ watch it often.
doesn't
don't
(2)Write the correct form of the given verbs in the 3rd person present simple. Don't use full stops in your answers.
Example: I swim – she _____
Answer: I swim – she swims
1. I can – he ....
2. I pass – he .....
3. I look – he .....

(3) Choose the correct verb from the table to complete the sentences. Be careful: the sentences are in present simple, so you will have to change the ending to some verbs.
sing/want/come/study/see

1. I ... to class every day.

2. I ... her every Sunday.

3. They ... at the concert every year.

4. We ... English every night after class.

5. The girls ... to see that film.

(4)Change the affirmative sentences into negative sentences and fill in the blanks. Use the contracted forms e.g. can't, don't, doesn't etc.
Notice: sometimes both the auxiliary and the main verb are missing from the sentence, but sometimes you should fill in the blanks with only the auxiliary verb.

Example: I listen to my dad.

I don't listen to my dad.

NOT: I do not listen to my dad.

1. We live in a big city.
We ... in a small town.

2. Geri and Melanie work very hard.
Geri and Melanie ... work very hard.

3. She knows my phone number.
She ... my phone number.

4. My sister likes the cinema.
My sister ... the cinema.


(5)Put the words in the correct order to create a sentence in the present simple tense!

1) with / the / do / ? / your / help / housework / you / mother

Do help you your mother with the housework?
Do you help your mother with the housework?
Do your help you mother with the housework?

2) work / a / . / brother / my / hospital / doesn't / in

My brother doesn't work in a hospital.
My brother work doesn't in a hospital.
A brother doesn't work in my hospital.

3) late / ? / you / always / come / do / why

Do you always come late why?
Why do you come always late?
Why do you always come late?
7 лет назад
Предмет: История, автор: puzinoold
Продолжите предложение: «Консультация мне помогла ……….., она дала мне возможность…...»
7 лет назад