Найдите значение выражения 9а-5а при а=-2 - №22072251

Найдите значение выражения 9а-5а при а=-2
- Предмет:
  Математика
- Автор:
  olivia
- 5 лет назад

Ответы 2

9a - 5a = 4a 4a = 4*(-2) = -8
- Автор:
  lidia93
- 5 лет назад
- 0
9a-5a при а=-29(-2)-5(-2)=-18-(-10)=-18+10=-8Ответ: -8.
- Автор:
  gilbert30
- 5 лет назад
- 0
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1. Who earns the most?
2. Why do Tesco’s employ older people?
3. How long has Cathy been flying balloons?
4.What is Terry’s philosophy on life?

Tom Hopperton is one of 1,200 over-65s working for the supermarket, Tesco. He’s been working there for fifteen months. Before that he was a plumber for thirty years.
Tom skates about five miles a day around the store fetching things for customers who realize that they’ve forgotten something only when they’ve reached the checkout till. He earns 4.50 pounds an hour.
“ I just love the job. I help the customers, so they’re usually very nice to me. I’ve always liked meeting people. And it keeps me fit. I can’t sit at home doing nothing. I’d just die. I have to keep busy. Time goes really quickly. Every day is different. “
Tesco’s made the decision to employ people of all ages. It sees the advantages of older workers who are more calm authoritative when they are dealing with customers.
“ When I saw this job advertised, I didn’t believe they’d give it to me, “ says Tom. “ I went in to see them because I thought they would be put off by my age if I just phoned. I wanted them to see that I am very lively for my age.”
For 25 years Terry Cemm was a policeman, but for the last seventeen years he has been walking up and down five miles of beach every day, looking for things that might be useful to someone. Terry’s a beachcomber.
Nearly everything in his cottage has come from the sea – chairs, tables, even tins of food. What’s the most unusual thing he has ever found? “ A barrel of beer just before Christmas. That was nice, “ he remembers. He finds lots of bottles with messages in them, mainly from children. They all get a reply if there is an address in the bottle. Shoes? “ If you find one, you’ll find the other the next week,” he says.
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Terry seems to be a very happy man. “You have to find a way to live a simple, honest life. People spend all their lives chasing things they don’t really need. There’s so much waste.”
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