Предмет: Алгебра, автор: artemka501

упростите выражение a^2-16/a(умножить на)1/a-4(плюс)4-a/a.Найдите его значение при a=0,8.В ответ запишите полученное число.

Ответы

Автор ответа: Fran14

Раскрываем первые скобки по правилу сокращенного умножения.
Сокращаем.На фото все показано
ответ: 10

Приложения:

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Алгебра, автор: vikasomik09

Подати у выгляди степеня вираз а8×а

1 год назад

Предмет: Алгебра, автор: Demarco99

с решением пожалуйста

1 год назад

Предмет: Математика, автор: milana6726

Из двух городов навстречу друг другу одновре- менно выехали два автобуса. Через 3 ч автобу- сы встретились. Каким было расстояние между городами, если один автобус ехал со скоростью 88 км/ч, а другой — 99 км/ч?
Решите пожалуйста

1 год назад

Предмет: Английский язык, автор: marilari03

Помогите пожалуйста!
Question1
She let the family live in the cottage _________ free.
rent
let
accommodation
hire
Question2
He chose a difficult time to raise _________ from outside investors.
coins
income
currency
money
Question3
Last year our company was very successful. It made record _________ .
profits
losses
interest
Question4
If they are not more careful with their accounts, they will go_________.
broken
poor
bankrupt
penniless
Question5
She ________________ because she had been offered a better job.
sacked
resigned
fired
dismissed
Question6
She was very pleased because she made a _________ of $10,000 on the sale of her house.
bonus
loan
profit
change
receipt
Question7
Labour ________ describe the way workers feel about and behave towards each other.
references
relatives
relations
Question8
At the end of the year every employee got a Christmas _________.
compensation
bonus
commission
salary
Question9
________________ is the amount that producers are willing to sell.
savings
supply
share
Question10
When a company is unsuccessful and spends more money on production than earns, we say that the company suffers _________.
interest
losses
profits
Question11
Does the design ________________ to the new regulations?
confirm
conform
consist
agree
Question12
Night ___________ workers will get paid double time for working unsocial hours.
owl
group
time
shift
Question13
________________ is a regular payment for the use of land, a building, a room, etc.
reward
royalty
return
rent
Question14
Sometimes when you have a very difficult choice to make, flipping a _________ really helps.
money
coin
cash
currency
Question15
Is it all right if I pay _________ cheque?
in
on
by
from
Question16
Many banks are willing to _______and ________ shares on behalf of customers.
buying; selling
buyer; seller
buy; sell
buy; sale
Question17
If certain industries didn’t receive a ___________ from the State, they’d stand little chance of surviving.
mortgage
credit
donation
subsidy
Question18
We will give everyone ___________ training at least twice a year.
tailoring
designed
outhouse
in-house
Question19
The firm may go bankrupt because of constant ________________ flow problems.
money
currency
coins
cash
Question20
________________ is profit on an investment or undertaking.
reward
royalty
rent
return

7 лет назад

Предмет: Математика, автор: Аноним

Вычислите значение выражения выбирая удобный
1)13b-3b+5b,eсли b=15
2)518*18+479*x,если x=18

7 лет назад