Предмет: Математика, автор: SofiGfd

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Автор ответа: Аноним

$f(x) = \frac{4}{ {x}^{ 5} } = 4 {x}^{ - 5}$

$F(x)-?$

$F(x) = \int 4 {x}^{ - 5} dx = \\ = 4 \int {x}^{ - 5} dx = \\ = 4 \times ( \frac{ {x}^{ - 5 + 1} }{ - 5 + 1} ) + C = \\ = 4 \times ( \frac{ {x}^{ - 4} }{ - 4} ) + C= \\ = 4 \times ( \frac{1}{ - 4 {x}^{4} } ) + C = \\ = - \frac{1}{ {x}^{4} } + C$

ответ: А

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Предмет: Алгебра, автор: fedorcenkodanj

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1) (14x ^ 2 - 7x)/(3 - 6x)

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Предмет: Английский язык, автор: levbadzhurak

2 Fill in the correct prepositions. Check in Appendix 1. 1 The Taj Mahal is made ..... marble. 2 Who were the Pyramids built 3 What are the drawback..............keeping animals in zoos? cash, sir? 4 Are you paying................... 5 Acid rain is harmful...........both people and buildings. studying Spanish. 6 I'm interested 7 Acid rain causes serious damage ..... historical sites. 8 The forest is home a lot of rare birds. 9 Animals should be allowed to live.........................the wild 10 The Alhambra is located Spain. tend

Appendix I

h

od

unch of Dens ove zero

cess to cording to vantage to

Price

aid of of a sudden

sart from

ply for

que with (alm) 7 am

juzdu

Dack

the moment the same time

erwork top speed

close at hand come from

come to the rescue (of) compete in

of

complete with

connect to consist of

crash into cure for

damage to

dangerous to dedicated to

dawn

depend on

dusk

different from

first sight

dig for

least risk

disagree with

discount for

dive in

drawback to dream about (have a

the top of

dream) dream of (want

)

tached to tracted to

due to famous for

attractive to

fight with

ailable for

filled with

r) asis for

first of all

Is about to happen 5? aware of

for a second

for a week

exte home to e proud of

for example for fun

e sorry for

force of

e swept away al ecause of

full of

gasp for air get into trouble

elong to elow the surface

going to great for

eware of uilt by

greetings from happen to

uilt in

uilt of

harmful to help sb in need

ytube/train/bus/

plane/motorcycle/bike/

home to impossible to

boat etc

in advance

lance of all for help

in cash

hange for the better hange from

in common

in danger in doubt

in honour of

in hospital in London

in Oxford Street

in pairs in public

in real life in the afternoon

in the city

in the distance

in the future

in the middle of in the north of

in the summer/spring/

winter/autumn

in the wild

in writing inform sb about sth

instead of

interested in

keep in touch

key to lead to

learn about leave sth to chance listen to

live on located in

look at look for

look forward to

made from made of

method of need to

no sign of

on a channel

on a journey

on a serious note on foot

on formal occasions

on holiday

on sale

on the other hand on the second floor

on the streets

on the way

out and about out of nowhere

out of sight

out of this world pay attention to

pay for

percentage of

piece of

plenty of

point to (show)

popular with

prepare for

prevent sb from

protect from

protected by

pull sb to safety

recover from:

(ailment/illness)

recover in (a place)

run straight into

save from

scared to death

send to

separately from share with

shop at

shout for help

solution to

speak to

spend money on

spend time in

stay for

stay in touch

stick to

stop sb from

stored in

suitable for

swerve off/into

take a ride on

take for granted

talk about

thanks to

transform into

travel to

treat yourself to

trick sb into

up to date

variety of

what on earth

work with

ick on

lose at

1 год назад

Предмет: Українська мова, автор: fedorenkonastya08

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