Предмет: Алгебра, автор: Аноним

СРОЧНО!!!!! Спрстити вираз та знайти його значения ​

Приложения:

Ответы

Автор ответа: Evgenia4836
1

Ответ:

\frac{5}{12}

Объяснение:

(\frac{1}{a+5} - \frac{1}{a-5}):\frac{5}{a+5}= \frac{a-5-a-5}{(a+5)(a-5)}:\frac{5}{a+5} = \\\frac{-10}{(a+5)(a-5)}*\frac{a+5}{5}= -\frac{2}{a-5}= \frac{2}{5-a}

при a=0,2

2:(5-0,2)= 2:(4,8)=5/12

Evgenia4836: да
Evgenia4836: 2/(5-a)= 2/(5-0,2)= 2/4,8= 5/12
Автор ответа: ludmilaksenija2005
1

Объяснение:

решение на фото ааааааа

Приложения:
ludmilaksenija2005: решила
Предыдущий вопрос
Следующий вопрос
Интересные вопросы
Предмет: Українська мова, автор: egorchipsik
Письмовий докладний переказ 1) Дуб - символ незалежность могутность та довголіте 2) Дуби - довгожитель 3) свещене дерево словяна 4) най старі дуби
1 год назад
Предмет: История, автор: vanadolomanzi
Соціальні протести населення
1 год назад
Предмет: Английский язык, автор: kak81
Put the verbs in parentheses into the correct form..

66. Carol (to be) in love with him but she knew she never (to marry) him. 67. Nothing (to go on) at the moment we (to come) in. 68. Though he (not to see) his brother's family yet, he knew he (to be responsible) for his wife and children. 69. The circus owner (to give) the children some presents and said that he (to get) a new monkey from India. 70. We knew that the next morning she (to type) and (not to go) on a picnic with us. 71. He (to be sure) that neither Jane nor her mother (to like) the idea. 72. I (to be tired) of telling him to close the door each time he (to walk) into the house. 73. The problem (to be solved) already but nobody (to want) to believe it. 74. The policeman (to come up) to me and said that we (to hold up) the traffic. 75. As soon as we (to finish) cleaning Jenny told him that she (to want) to go home. 76. Kate (to drink) a cup of coffee and (to leave) the house hurriedly. 77. When I (to enter) the restaurant the waiter (to serve) Joan and her company. 78. She (to do) all her work about the house and now she (to have) a short rest. 79. Mary (to ask) me to help her as she (not to want) to turn to anybody else for help. 80.I didn't know that she (to go) to the wedding party with Jenny as I thought she (not to be invited). ​
1 год назад
Предмет: Химия, автор: fhhcghvciccjcjkchx
вопрос на фото, помогите пожалуйста
7 лет назад
Предмет: Математика, автор: Аноним
Округли до целого 4,7 с недостатком

Округли до целого 555,5 с избытком
7 лет назад