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III. Read the text and complete the tasks. In each task, write in the answer (the number 1, 2 or 3) Tornadoes
Tomadoes are storms with very strong turning winds and dark clouds. These winds are perhaps
the strongest on earth. They reach speeds of 300 miles per hour. The dark clouds are shaped like
a funnel - wide at the bottom. The winds are strongest in the center of the funnel.
Tornadoes are especially common in the United States, but only in certain parts. They occur
mainly in the central states
A hot afternoon in the spring is the most likely time for a tomado. Clouds become dark. There is
thunder, lighting, and rain. A cloud forms a funnel and begins to twist. The faster the winds, the
louder the noise. Tomadoes always move in northeastern direction. They never last longer then
eight hours
A tornado's path is narrow, but within that surrow path a tomado can destroy everything. It can
smash buildings and rip up trees. Tomadoes can kill people as well
The worst tomado swept through the states of Missouri, Illinois, and Indiana in 1925, killing 689
people
Modern weather equipment now makes it possible to warn people of tornadoes. People have a
much better chance of protecting themselves. But nothing can stop tornadoes from destroying
everything in their path
Funnel - воронка Twist - крутить
Common - распространенный Rip up — вырывать
Warn - предупреждат
per hour
1. According to the author tornadoes reach speeds of
1) 300 miles
2) 250 miles
3) 325 miles
2 Which of the following statements is TRUE, according to the text?
1) A hot afternoon in the spring is the most likely time for a tomado
2) They never last longer then eighteen hours.
3) Tornadoes can kill people as well

👇
Ответ:
unisens
unisens
31.07.2022

1.

1. 300 miles.

2.

1-T

2-F

3-T

Объяснение:

T-True

F-False

4,4(95 оценок)
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Ответ:
salihvalishev
salihvalishev
31.07.2022

1) When Mrs.Smith came home yesterday, she saw that her daughter had cooked supper and was waiting for her with the table laid.

2) Where is Nick? -He isn't at home, he has gone to the cinema. Wait for him, he will come in half an hour.

3) It was very late. I had gone to bed and had fallen asleep when my father returned home.

4) I'll join you when I have drunk my tea.

5) When I came, he was living in the same old house where I had first met him. He told me he had been waiting for me for already some time.

6) The pupils had done a lot of exercises before they learnt to write dictations well.

7)  I could not hear a sound: they had stopped talking.

4,6(5 оценок)
Ответ:
markmordachev
markmordachev
31.07.2022

ответ: 1.   5¹⁰ +5⁸ -5⁹ =5⁸(5² +1 -5) = 5⁸*21 =5⁷*5*21 =5⁷*105       || делится на 105||  .

2.  √(1 24/25 ) -√(0,09)*√81 +√(3² +4²)*√(0,0625)   =√(49/25) -√(9/100) *√9² +√5² *√(0,25)² =7/5 -9/10*9 +5*0,25 =

1,4 -8,1+1,25   = -5,45.

3. a =13q₁ +8 ; b=13q₂ +10 .

a*b = (13q₁ +8)(13*q₂ +10) = 13²  q₁q₂   +13*10q₁ +  13*8q₂+ 80 =.

13²  q₁q₂   +13*10q₁ +  13*8q₂+ 13*6 +  2 =13(13 q₁q₂   +10q₁ + 8q₂+ 6) +2  .   || r =2||.

4.√((7-4√3)/(5-2√6)) -√((6-4√2)/(5+2√6)) -4√2 =√((2²-2*2√3 +(√3)²)/(3-2√3*√2 +2)) -√((4-2*2*√2 +2)/(3+2√3*√2 +2) )  -  4√2 =  √((2-√3)²)/(√3-√2)²  ) -√((2-√2)²/(√3+√2)²) -  4√2 = (2-√3)/(√3-√2)  -(2-√2)/(√3+√2) -  4√2 = (2-√3)(√3+√2)  -(2-√2)(√3-√2) -  4√2  =

2√3+2√2 -3 -√3*√2 -2√3  +2√2 +√3*√2 -2 -  4√2   = -  5.  

5. (x² +x√2)/(x² +2) *(  x/(x-√2) -√(2)  / (x+√2) ) =

(x² +x√2)/(x² +2)   *(x(x+√2) -√(2) *  (x-√2)  )  / (x+√2)  (x-√2)  )= 

(x² +x√2)/(x² +2)   *(x²+x√2 -x√2  +2  )  / (x² -2) )=

  (x² +x√2)/(x² +2)   *(x²  +2  )  / (x² -2) )   =   x(x+√2)  / (x +√2)(x -√2)  =x  /(x -√2) .

6. (  √(19 +8√3) +√(7-4√3) ) *x√y /(√x²y³ +√x³y²) =

(  √(4+√3)² +√(2  -√3)² ) *x√y /xy(√y +√x)  =( 4+√3  +2  -√3  ) *1 /  √y(√y +√x  )  =

6/√y  (√y +√x  )=   || x =121 , y =16 || = 6/(√16(√16 +√121  )) =6/(4(4+11)) =

=6/(4*15) =6/60 =  0,1.

объяснение: если ты не туп! й то объяснение тебе не надо!

4,8(25 оценок)
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